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  • Printing the results in the original order

    - by Sam
    String[] numbers = new String[] {"3", "4", "s", "a", "c", "h", "i", "n", "t", "e", "n", "d", "u", "l", "k"}; Map<String, Integer> map = new HashMap<String, Integer>(); for (int i = 0; i < numbers.length; i++) { String key = numbers[i]; if (map.containsKey(key)) { int occurrence = map.get(key); occurrence++; map.put(key, occurrence); } else { map.put(key, 1); }// end of if else }// end of for loop Iterator<String> iterator = map.keySet().iterator(); while (iterator.hasNext()) { String key = iterator.next(); int occurrence = map.get(key); System.out.println(key + " occur " + occurrence + " time(s)."); } This program tries to count the number of occurrences of a string. When I execute it I am getting the answer, but the output is not in the original order, it is shuffled. How can I output the strings in the original order?

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  • VB Change Calulator

    - by BlueBeast
    I am creating a VB 2008 change calculator as an assignment. The program is to use the amount paid - the amount due to calculate the total.(this is working fine). After that, it is to break that amount down into dollars, quarters, dimes, nickels, and pennies. The problem I am having is that sometimes the quantity of pennies, nickels or dimes will be a negative number. For example $2.99 = 3 Dollars and -1 Pennies. SOLVED Thanks to the responses, here is what I was able to make work with my limited knowledge. Option Explicit On Option Strict Off Option Infer Off Public Class frmMain Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click 'Clear boxes lblDollarsAmount.Text = String.Empty lblQuartersAmount.Text = String.Empty lblDimesAmount.Text = String.Empty lblNickelsAmount.Text = String.Empty lblPenniesAmount.Text = String.Empty txtOwed.Text = String.Empty txtPaid.Text = String.Empty lblAmountDue.Text = String.Empty txtOwed.Focus() End Sub Private Sub btnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExit.Click 'Close application' Me.Close() End Sub Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate.Click ' Find Difference between Total Price and Total Received lblAmountDue.Text = Val(txtPaid.Text) - Val(txtOwed.Text) Dim intChangeAmount As Integer = lblAmountDue.Text * 100 'Declare Integers Dim intDollarsBack As Integer Dim intQuartersBack As Integer Dim intDimesBack As Integer Dim intNickelsBack As Integer Dim intPenniesBack As Integer ' Change Values Const intDollarValue As Integer = 100 Const intQuarterValue As Integer = 25 Const intDimeValue As Integer = 10 Const intNickelValue As Integer = 5 Const intPennyValue As Integer = 1 'Dollars intDollarsBack = CInt(Val(intChangeAmount \ intDollarValue)) intChangeAmount = intChangeAmount - Val(Val(intDollarsBack) * intDollarValue) lblDollarsAmount.Text = intDollarsBack.ToString 'Quarters intQuartersBack = CInt(Val(intChangeAmount \ intQuarterValue)) intChangeAmount = intChangeAmount - Val(Val(intQuartersBack) * intQuarterValue) lblQuartersAmount.Text = intQuartersBack.ToString 'Dimes intDimesBack = CInt(Val(intChangeAmount \ intDimeValue)) intChangeAmount = intChangeAmount - Val(Val(intDimesBack) * intDimeValue) lblDimesAmount.Text = intDimesBack.ToString 'Nickels intNickelsBack = CInt(Val(intChangeAmount \ intNickelValue)) intChangeAmount = intChangeAmount - Val(Val(intNickelsBack) * intNickelValue) lblNickelsAmount.Text = intNickelsBack.ToString 'Pennies intPenniesBack = CInt(Val(intChangeAmount \ intPennyValue)) intChangeAmount = intChangeAmount - Val(Val(intPenniesBack) * intPennyValue) lblPenniesAmount.Text = intPenniesBack.ToString End Sub End Class

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  • resultCode is always 0

    - by Aaron T
    I'm trying to get the resultCode to be OK inside my onActivityResult function. However, it keeps coming back as 0. I have spent several days on this, and can't figure out why it doesn't work. Here's my code. If anybody can help me, I'll be very grateful, Thanks. My Activity1 class: private class MyTask extends AsyncTask<String, Void, String> { @Override protected String doInBackground(String... urls) { // process return result; } @Override protected void onPostExecute(String result) { Intent i = new Intent(Activity1.this, Activity2.class); i.putExtra("Value1", "This value one for ActivityOne "); i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivityForResult(i, REQUEST_CODE); textView.setText(result); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == RESULT_OK && requestCode == REQUEST_CODE) { // do something } } My Activity 2 class: @Override public void finish() { Intent data = new Intent(); data.putExtra("returnKey1", "return 1"); setResult(RESULT_OK, data); super.finish(); } My manifest: <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".Activity1" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".Activity2" android:label="@string/app_dialog_name" android:launchMode="singleTop" android:excludeFromRecents="true" android:taskAffinity="" android:theme="@android:style/Theme.Dialog"> </activity> </application>

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  • Ubuntu 12.04 Preseed LDAP Config

    - by Arturo
    I'm trying to deploy Ubuntu 12.04 via xCAT, everything works except the automatic configuration of LDAP, the preseed file is read but the file /etc/nsswitch is not written properly. My Preseed File: [...] ### LDAP Setup nslcd nslcd/ldap-bindpw password ldap-auth-config ldap-auth-config/bindpw password ldap-auth-config ldap-auth-config/rootbindpw password ldap-auth-config ldap-auth-config/binddn string cn=proxyuser,dc=example,dc=net libpam-runtime libpam-runtime/profiles multiselect unix, ldap, gnome-keyring, consolekit, capability ldap-auth-config ldap-auth-config/dbrootlogin boolean false ldap-auth-config ldap-auth-config/rootbinddn string cn=manager,dc=xcat-domain,dc=com nslcd nslcd/ldap-starttls boolean false nslcd nslcd/ldap-base string dc=xcat-domain,dc=com ldap-auth-config ldap-auth-config/pam_password select md5 ldap-auth-config ldap-auth-config/move-to-debconf boolean true ldap-auth-config ldap-auth-config/ldapns/ldap-server string ldap://192.168.32.42 ldap-auth-config ldap-auth-config/ldapns/base-dn string dc=xcat-domain,dc=com ldap-auth-config ldap-auth-config/override boolean true libnss-ldapd libnss-ldapd/clean_nsswitch boolean false libnss-ldapd libnss-ldapd/nsswitch multiselect passwd,group,shadow nslcd nslcd/ldap-reqcert select ldap-auth-config ldap-auth-config/ldapns/ldap_version select 3 ldap-auth-config ldap-auth-config/dblogin boolean false nslcd nslcd/ldap-uris string ldap://192.168.32.42 nslcd nslcd/ldap-binddn string [...] After the installation, nsswitch.conf rimains unchanged. Has someone an idea?? Thanks!

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  • CodePlex Daily Summary for Friday, February 19, 2010

    CodePlex Daily Summary for Friday, February 19, 2010New ProjectsApplication Management Library: Application Management makes your application life easier. It will automatic do memory management, handle and log unhandled exceptions, profiling y...Audio Service - Play Wave Files From Windows Service: This is a windows service that Check a registry key, when the key is updated with a new wave file path the service plays the wave file.Aviamodels: 3d drawing AviamodelsControl of payment proofs program for Greek citizens: This is a program that is used for Greek citizens who want to keep track of their payment proofs.Cover Creator: Cover Creator gives you the possibility to create and print CD covers. Content of CD is taken from http://www.freedb.org/ or can be added/modyfied ...DevBoard: DevBoard is a webbased scrum tool that helps developers/team get a clear overview of the project progress. It's developed in C# and silverlight.Flex AdventureWorks: The is mostly a skunk-works application to help me get acclimated to CodePlex. The long term goal is to integrate a Flex UI with the AdventureWor...GRE Wordlist: An intuitive and customizable word list for GRE aspirants. Developed in Java using a word list similar to Barron's.Indexer: A desktop file Index and Search tool which allows you to choose a list of folders to index, and then search on later. It is based on Lucene.net an...Project Management Office (PMO) for SharePoint: Sample web part for the Code Mastery event in Boston, February 11, 2010.Restart SQL Audit Policy and Job: Resolve SQL 2008 Audit Network Connectivity Issue.Rounded Corners / DIV Container: The RoundedDiv round corners container is a skin-able, CSS compliant UI control. Select which corners should be rounded, collapse and expand the c...Silverlight Google Search Application: The Silverlight Google Search Application uses Google Search API and behaves like Internet Search Application with option to preview desired page i...Weather Forecast Control: MyWeather forecast control pulls up to date weather forecast information from The Weather Channel for your website.New ReleasesApplication Management Library: ApplicationManagement v1.0: First ReleaseAudio Service - Play Wave Files From Windows Service: Audio Service v1.0: This is a working version of the Audio Service. Please use as you need to.AutoMapper: 1.0.1 for Silverlight 3.0 Alpha: AutoMapper for Silverlight 3.0. Features not supported: IDataReader mapping IListSource mapping All other features are supported.Buzz Dot Net: Buzz Dot Net v.1.10219: Buzz Dot Net Library (Parser & Objects) + WPF Example (using MVVM & Threading)Canvas VSDOC Intellisense: V 1.0.0.0a: This release contains two JavaScript files: canvas-utils.js (can be referenced in both runtime and development environment) canvas-vsdoc.js (must ...Control of payment proofs program for Greek citizens: Payment Proofs: source codeCourier: Beta 2: Added Rx Framework support and re-factored how message registration and un-registration works Blog post explaining the updates and re-factoring c...Cover Creator: Initial release: This is initial stable release. For now only in Polish language.Employee Scheduler: Employee Scheduler 2.2: Small Bug found. Small total hour calculation bug. See http://employeescheduler.codeplex.com/WorkItem/View.aspx?WorkItemId=6059 Extract the files...EnhSim: Release v1.9.7.1: Release v1.9.7.1Implemented Dislodged Foreign Object trinket Whispering Fanged Skull now also procs off Flame shock dots You can toggle bloodlust o...Extend SmallBasic: Teaching Extensions v.007: added SimpleSquareTest added Tortoise.Approve() for virtual proctor how to use virtual proctor: change the path in the proctor.txt file (located i...FolderSize: FolderSize.Win32.1.0.1.0: FolderSize.Win32.1.0.1.0 A simple utility intended to be used to scan harddrives for the folders that take most place and display this to the user...GLB Virtual Player Builder: v0.4.0 Beta: Allows for user to import and use archetypes for building players. The archetypes are contained in the file "archetypes.xml". This file is editab...Google Map WebPart from SharePoint List: GMap Stable Release: GMap Stable ReleaseHenge3D Physics Library for XNA: Henge3D Source (2010-02 R2): Fixed a build error related to an assembly attribute in XBOX 360 builds. Tweaked the controls in the sample when targeting the 360. Reduced the...Indexer: Beta Release 1: Just the initial/rough cut.NukeCS: NukeCS 5.2.3 Source Code: update version to 5.2.3ODOS: ODOS STABLE 1.5.0: Thank you for your patience while we develop this version. Not that much has been added, though. Just doing some sub-conscious stuff to make life...PoshBoard: PoshBoard 3.0 Beta 1: Welcome to the first beta release of PoshBoard 3.0 ! IMPORTANT WARNING : this release is absolutly not feature complete and is error-prone. Okay, ...Restart SQL Audit Policy and Job: Restart SQL 2008 Audit Policy and Job: This folder contains three pieces of source code: Server Audit Status (Started).xml - Import this on-schedule policy into your server's Policy-Ba...SAL- Self Artificial Learning: Artificial Learning 2AQV Working Proof Of Concept: This is the Simulation proof of concept version that comes after the 1aq version. AQ stands for Anwering Questions.SharePoint 2010 Word Automation: SP 2010 Word Automation - Workflow Actions 1.1: This release includes two new custom workflow activities for SharePoint designer Convert Folder Convert Library More information about these new...SharePoint Outlook Connector: Version 1.0.1.1: Exception Logging has been improved.Sharpy: Sharpy 1.2 Alpha: This is the third Sharpy release. A change has been made to allow overriding the master page from the controller. The release contains the single ...Silverlight Google Search Application: SL Google Search App Alpha: This is just a first alpha version of the application, as it looks like when I uploaded it to CodePlex. The application works, requires Silverlight...Starter Kit Mytrip.Mvc.Entity: Mytrip.Mvc.Entity 1.0 RC: EF Membership UserManager FileManager Localization Captcha ClientValidation Theme CrossBrowser VS 2010 RC MVC 2 RC db MSSQL2008thinktecture WSCF.blue: WSCF.blue V1 Update (1.0.6): This release is an update for WSCF.blue V1. Below are the bug fixes made since the V1.0.5 release: The data contract type filter was not including...TS3QueryLib.Net: TS3QueryLib.Net Version 0.18.13.0: Changelog Added overloads to all methods of QueryRunenr class handling permission tasks to allow passing of permission name instead of permissionid...Umbraco CMS: Umbraco 4.1 Beta 2: This is the second beta of Umbraco 4.1. Umbraco 4.1 is more advanced than ever, yet faster, lighter and simpler to use than ever. We, on behalf of...VCC: Latest build, v2.1.30218.0: Automatic drop of latest buildZack's Fiasco - Code Generated DAL: v1.2.4: Enhancements: SQL Server CRUD Stored Procedures added option for USE <db> added option to create or not create INSERT sprocs added option to cr...Most Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)Image Resizer Powertoy Clone for WindowsASP.NETMicrosoft SQL Server Community & SamplesDotNetNuke® Community EditionMost Active ProjectsRawrSharpyDinnerNow.netBlogEngine.NETjQuery Library for SharePoint Web ServicesNB_Store - Free DotNetNuke Ecommerce Catalog Modulepatterns & practices – Enterprise LibraryPHPExcelFacebook Developer ToolkitFluent Ribbon Control Suite

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  • Blogging tips for SQL Server professionals

    - by jamiet
    For some time now I have been intending to put some material together relating my blogging experiences since I began blogging in 2004 and that led to me submitting a session for SQLBits recently where I intended to do just that. That didn’t get enough votes to allow me to present however so instead I resolved to write a blog post about it and Simon Sabin’s recent post Blogging – how do you do it? has prompted me to get around to completing it. So, here I present a compendium of tips that I’ve picked up from authoring a fair few blog posts over the past 6 years. Feedburner Feedburner.com is a service that can consume your blog’s default RSS feed and provide another, replacement, feed that has exactly the same content. You can then supply that replacement feed on your blog site for other people to consume in their RSS readers. Why would you want to do this? Well, two reasons actually: It makes your blog portable. If you ever want to move your blog to a different URL you don’t have to tell your subscribers to move to a different feed. The feedburner feed is a pointer to your blog content rather than being a copy of it. Feedburner will collect stats telling you how many people are subscribed to your feed, which RSS readers they use, stuff like that. Here’s a sample screenshot for http://sqlblog.com/blogs/jamie_thomson/: It also tells you what your most viewed posts are: Web stats like these are notoriously inaccurate but then again the method of measurement here is not important, what IS important is that it gives you a trustworthy ranking of your blog posts and (in my opinion) knowing which are your most popular posts is more important than knowing exactly how many views each post has had. This is just the tip of the iceberg of what Feedburner provides and I recommend every new blogger to try it! Monitor subscribers using Google Reader If for some reason Feedburner is not to your taste or (more likely) you already have an established RSS feed that you do not want to change then Google provide another way in which you can monitor your readership in the shape of their online RSS reader, Google Reader. It provides, for every RSS feed, a collection of stats including the number of Google Reader users that have subscribed to that RSS feed. This is really valuable information and in fact I have been recording this statistic for mine and a number of other blogs for a few years now and as such I can produce the following chart that indicates how readership is trending for those blogs over time: [Good news for my fellow SQLBlog bloggers.] As Stephen Few readily points out, its not the numbers that are important but the trend. Search Engine Optimisation (SEO) SEO (or “How do I get my blog to show up in Google”) is a massive area of expertise which I don’t want (and am unable) to cover in much detail here but there are some simple rules of thumb that will help: Tags – If your blog engine offers the ability to add tags to your blog post, use them. Invariably those tags go into the meta section of the page HTML and search engines lap that stuff up. For example, from my recent post Microsoft publish Visual Studio 2010 Database Project Guidance: Title – Search engines take notice of web page titles as well so make them specific and descriptive (e.g. “Configuring dtsConfig connection strings”) rather than esoteric and meaningless in a vain attempt to be humorous (e.g. “Last night a DJ saved my ETL batch”)! Title(2) – Make your title even more search engine friendly by mentioning high level subject areas, not dissimilar to Twitter hashtags. For example, if you look at all of my posts related to SSIS you will notice that nearly all contain the word “SSIS” in the title even if I had to shoehorn it in there by putting it in square brackets or similar. Another tip, if you ARE putting words into your titles in this artificial manner then put them at the end so that they’re not that prominent in search engine results; they’re there for the search engines to consume, not for human beings. Images – Always add titles and alternate text (ALT attribute) to images in your blog post. If you use Windows 7 or Windows Vista then you can use Live Writer (which Simon recommended) makes this easy for you. Headings – If you want to highlight section headings use heading tags (e.g. <H1>, <H2>, <H3> etc…) rather than just formatting the text appropriately – again, Live makes this easy. These tags give your blog posts structure that is understood by search engines and RSS readers alike. (I believe it makes them more amenable to CSS as well – though that’s not something I know too much about). If you check the HTML source for the blog post you’re reading right now you’ll be able to scan through and see where I have used heading tags. Microsoft provide a free tool called the SEO Toolkit that will analyse your blog site (for free) and tell you what things you should change to improve SEO. Go read more and download for free at Search Engine Optimization Toolkit. Did I mention that it was free? Miscellaneous Tips If you are including code in your blog post then ensure it is formatted correctly. Use SQL Server Central’s T-SQL prettifier for formatting T-SQL code. Use images and videos. Personally speaking there’s nothing I like less when reading a blog than paragraph after paragraph of text. Images make your blog more appealing which means people are more likely to read what you have written. Be original. Don’t plagiarise other people’s content and don’t simply rewrite the contents of Books Online. Every time you publish a blog post tweet a link to it. Include hashtags in your tweet that are more likely to grab people’s attention. That’s probably enough for now - I hope this blog post proves useful to someone out there. If you would appreciate a related session at a forthcoming SQLBits conference then please let me know. This will likely be my last blog post for 2010 so I would like to take this opportunity to thank everyone that has commented on, linked to or read any of my blog posts in that time. 2011 is shaping up to be a very interesting for SQL Server observers with the impending release of SQL Server code-named Denali and I promise I’ll have lots more content on that as the year progresses. Happy New Year. @Jamiet

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  • Updating a SharePoint master page via a solution (WSP)

    - by Kelly Jones
    In my last blog post, I wrote how to deploy a SharePoint theme using Features and a solution package.  As promised in that post, here is how to update an already deployed master page. There are several ways to update a master page in SharePoint.  You could upload a new version to the master page gallery, or you could upload a new master page to the gallery, and then set the site to use this new page.  Manually uploading your master page to the master page gallery might be the best option, depending on your environment.  For my client, I did these steps in code, which is what they preferred. (Image courtesy of: http://www.joiningdots.net/blog/2007/08/sharepoint-and-quick-launch.html ) Before you decide which method you need to use, take a look at your existing pages.  Are they using the SharePoint dynamic token or the static token for the master page reference?  The wha, huh? SO, there are four ways to tell an .aspx page hosted in SharePoint which master page it should use: “~masterurl/default.master” – tells the page to use the default.master property of the site “~masterurl/custom.master” – tells the page to use the custom.master property of the site “~site/default.master” – tells the page to use the file named “default.master” in the site’s master page gallery “~sitecollection/default.master” – tells the page to use the file named “default.master” in the site collection’s master page gallery For more information about these tokens, take a look at this article on MSDN. Once you determine which token your existing pages are pointed to, then you know which file you need to update.  So, if the ~masterurl tokens are used, then you upload a new master page, either replacing the existing one or adding another one to the gallery.  If you’ve uploaded a new file with a new name, you’ll just need to set it as the master page either through the UI (MOSS only) or through code (MOSS or WSS Feature receiver code – or using SharePoint Designer). If the ~site or ~sitecollection tokens were used, then you’re limited to either replacing the existing master page, or editing all of your existing pages to point to another master page.  In most cases, it probably makes sense to just replace the master page. For my project, I’m working with WSS and the existing pages are set to the ~sitecollection token.  Based on this, I decided to just upload a new version of the existing master page (and not modify the dozens of existing pages). Also, since my client prefers Features and solutions, I created a master page Feature and a corresponding Feature Receiver.  For information on creating the elements and feature files, check out this post: http://sharepointmagazine.net/technical/development/deploying-the-master-page . This works fine, unless you are overwriting an existing master page, which was my case.  You’ll run into errors because the master page file needs to be checked out, replaced, and then checked in.  I wrote code in my Feature Activated event handler to accomplish these steps. Here are the steps necessary in code: Get the file name from the elements file of the Feature Check out the file from the master page gallery Upload the file to the master page gallery Check in the file to the master page gallery Here’s the code in my Feature Receiver: 1: public override void FeatureActivated(SPFeatureReceiverProperties properties) 2: { 3: try 4: { 5:   6: SPElementDefinitionCollection col = properties.Definition.GetElementDefinitions(System.Globalization.CultureInfo.CurrentCulture); 7:   8: using (SPWeb curweb = GetCurWeb(properties)) 9: { 10: foreach (SPElementDefinition ele in col) 11: { 12: if (string.Compare(ele.ElementType, "Module", true) == 0) 13: { 14: // <Module Name="DefaultMasterPage" List="116" Url="_catalogs/masterpage" RootWebOnly="FALSE"> 15: // <File Url="myMaster.master" Type="GhostableInLibrary" IgnoreIfAlreadyExists="TRUE" 16: // Path="MasterPages/myMaster.master" /> 17: // </Module> 18: string Url = ele.XmlDefinition.Attributes["Url"].Value; 19: foreach (System.Xml.XmlNode file in ele.XmlDefinition.ChildNodes) 20: { 21: string Url2 = file.Attributes["Url"].Value; 22: string Path = file.Attributes["Path"].Value; 23: string fileType = file.Attributes["Type"].Value; 24:   25: if (string.Compare(fileType, "GhostableInLibrary", true) == 0) 26: { 27: //Check out file in document library 28: SPFile existingFile = curweb.GetFile(Url + "/" + Url2); 29:   30: if (existingFile != null) 31: { 32: if (existingFile.CheckOutStatus != SPFile.SPCheckOutStatus.None) 33: { 34: throw new Exception("The master page file is already checked out. Please make sure the master page file is checked in, before activating this feature."); 35: } 36: else 37: { 38: existingFile.CheckOut(); 39: existingFile.Update(); 40: } 41: } 42:   43: //Upload file to document library 44: string filePath = System.IO.Path.Combine(properties.Definition.RootDirectory, Path); 45: string fileName = System.IO.Path.GetFileName(filePath); 46: char slash = Convert.ToChar("/"); 47: string[] folders = existingFile.ParentFolder.Url.Split(slash); 48:   49: if (folders.Length > 2) 50: { 51: Logger.logMessage("More than two folders were detected in the library path for the master page. Only two are supported.", 52: Logger.LogEntryType.Information); //custom logging component 53: } 54:   55: SPFolder myLibrary = curweb.Folders[folders[0]].SubFolders[folders[1]]; 56:   57: FileStream fs = File.OpenRead(filePath); 58:   59: SPFile newFile = myLibrary.Files.Add(fileName, fs, true); 60:   61: myLibrary.Update(); 62: newFile.CheckIn("Updated by Feature", SPCheckinType.MajorCheckIn); 63: newFile.Update(); 64: } 65: } 66: } 67: } 68: } 69: } 70: catch (Exception ex) 71: { 72: string msg = "Error occurred during feature activation"; 73: Logger.logException(ex, msg, ""); 74: } 75:   76: } 77:   78: /// <summary> 79: /// Using a Feature's properties, get a reference to the Current Web 80: /// </summary> 81: /// <param name="properties"></param> 82: public SPWeb GetCurWeb(SPFeatureReceiverProperties properties) 83: { 84: SPWeb curweb; 85:   86: //Check if the parent of the web is a site or a web 87: if (properties != null && properties.Feature.Parent.GetType().ToString() == "Microsoft.SharePoint.SPWeb") 88: { 89:   90: //Get web from parent 91: curweb = (SPWeb)properties.Feature.Parent; 92: 93: } 94: else 95: { 96: //Get web from Site 97: using (SPSite cursite = (SPSite)properties.Feature.Parent) 98: { 99: curweb = (SPWeb)cursite.OpenWeb(); 100: } 101: } 102:   103: return curweb; 104: } This did the trick.  It allowed me to update my existing master page, through an easily repeatable process (which is great when you are working with more than one environment and what to do things like TEST it!).  I did run into what I would classify as a strange issue with one of my subsites, but that’s the topic for another blog post.

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  • Enabling Service Availability in WCF Services

    - by cibrax
    It is very important for the enterprise to know which services are operational at any given point. There are many factors that can affect the availability of the services, some of them are external like a database not responding or any dependant service not working. However, in some cases, you only want to know whether a service is up or down, so a simple heart-beat mechanism with “Ping” messages would do the trick. Unfortunately, WCF does not provide a built-in mechanism to support this functionality, and you probably don’t to implement a “Ping” operation in any service that you have out there. For solving this in a generic way, there is a WCF extensibility point that comes to help us, the “Operation Invokers”. In a nutshell, an operation invoker is the class responsible invoking the service method with a set of parameters and generate the output parameters with the return value. What I am going to do here is to implement a custom operation invoker that intercepts any call to the service, and detects whether a “Ping” header was attached to the message. If the “Ping” header is detected, the operation invoker returns a new header to tell the client that the service is alive, and the real operation execution is omitted. In that way, we have a simple heart beat mechanism based on the messages that include a "Ping” header, so the client application can determine at any point whether the service is up or down. My operation invoker wraps the default implementation attached by default to any operation by WCF. internal class PingOperationInvoker : IOperationInvoker { IOperationInvoker innerInvoker; object[] outputs = null; object returnValue = null; public const string PingHeaderName = "Ping"; public const string PingHeaderNamespace = "http://tellago.serviceModel"; public PingOperationInvoker(IOperationInvoker innerInvoker, OperationDescription description) { this.innerInvoker = innerInvoker; outputs = description.SyncMethod.GetParameters() .Where(p => p.IsOut) .Select(p => DefaultForType(p.ParameterType)).ToArray(); var returnValue = DefaultForType(description.SyncMethod.ReturnType); } private static object DefaultForType(Type targetType) { return targetType.IsValueType ? Activator.CreateInstance(targetType) : null; } public object Invoke(object instance, object[] inputs, out object[] outputs) { object returnValue; if (Invoke(out returnValue, out outputs)) { return returnValue; } else { return this.innerInvoker.Invoke(instance, inputs, out outputs); } } private bool Invoke(out object returnValue, out object[] outputs) { object untypedProperty = null; if (OperationContext.Current .IncomingMessageProperties.TryGetValue(HttpRequestMessageProperty.Name, out untypedProperty)) { var httpRequestProperty = untypedProperty as HttpRequestMessageProperty; if (httpRequestProperty != null) { if (httpRequestProperty.Headers[PingHeaderName] != null) { outputs = this.outputs; if (OperationContext.Current .IncomingMessageProperties.TryGetValue(HttpRequestMessageProperty.Name, out untypedProperty)) { var httpResponseProperty = untypedProperty as HttpResponseMessageProperty; httpResponseProperty.Headers.Add(PingHeaderName, "Ok"); } returnValue = this.returnValue; return true; } } } var headers = OperationContext.Current.IncomingMessageHeaders; if (headers.FindHeader(PingHeaderName, PingHeaderNamespace) > -1) { outputs = this.outputs; MessageHeader<string> header = new MessageHeader<string>("Ok"); var untyped = header.GetUntypedHeader(PingHeaderName, PingHeaderNamespace); OperationContext.Current.OutgoingMessageHeaders.Add(untyped); returnValue = this.returnValue; return true; } returnValue = null; outputs = null; return false; } } The implementation above looks for the “Ping” header either in the Http Request or the Soap message. The next step is to implement a behavior for attaching this operation invoker to the services we want to monitor. [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class, AllowMultiple = false, Inherited = true)] public class PingBehavior : Attribute, IServiceBehavior, IOperationBehavior { public void AddBindingParameters(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase, Collection<ServiceEndpoint> endpoints, BindingParameterCollection bindingParameters) { } public void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase) { } public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase) { foreach (var endpoint in serviceDescription.Endpoints) { foreach (var operation in endpoint.Contract.Operations) { if (operation.Behaviors.Find<PingBehavior>() == null) operation.Behaviors.Add(this); } } } public void AddBindingParameters(OperationDescription operationDescription, BindingParameterCollection bindingParameters) { } public void ApplyClientBehavior(OperationDescription operationDescription, ClientOperation clientOperation) { } public void ApplyDispatchBehavior(OperationDescription operationDescription, DispatchOperation dispatchOperation) { dispatchOperation.Invoker = new PingOperationInvoker(dispatchOperation.Invoker, operationDescription); } public void Validate(OperationDescription operationDescription) { } } As an operation invoker can only be added in an “operation behavior”, a trick I learned in the past is that you can implement a service behavior as well and use the “Validate” method to inject it in all the operations, so the final configuration is much easier and cleaner. You only need to decorate the service with a simple attribute to enable the “Ping” functionality. [PingBehavior] public class HelloWorldService : IHelloWorld { public string Hello(string name) { return "Hello " + name; } } On the other hand, the client application needs to send a dummy message with a “Ping” header to detect whether the service is available or not. In order to simplify this task, I created a extension method in the WCF client channel to do this work. public static class ClientChannelExtensions { const string PingNamespace = "http://tellago.serviceModel"; const string PingName = "Ping"; public static bool IsAvailable<TChannel>(this IClientChannel channel, Action<TChannel> operation) { try { using (OperationContextScope scope = new OperationContextScope(channel)) { MessageHeader<string> header = new MessageHeader<string>(PingName); var untyped = header.GetUntypedHeader(PingName, PingNamespace); OperationContext.Current.OutgoingMessageHeaders.Add(untyped); try { operation((TChannel)channel); var headers = OperationContext.Current.IncomingMessageHeaders; if (headers.Any(h => h.Name == PingName && h.Namespace == PingNamespace)) { return true; } else { return false; } } catch (CommunicationException) { return false; } } } catch (Exception) { return false; } } } This extension method basically adds a “Ping” header to the request message, executes the operation passed as argument (Action<TChannel> operation), and looks for the corresponding “Ping” header in the response to see the results. The client application can use this extension with a single line of code, var client = new ServiceReference.HelloWorldClient(); var isAvailable = client.InnerChannel.IsAvailable<IHelloWorld>((c) => c.Hello(null)); The “isAvailable” variable will tell the client application whether the service is available or not. You can download the complete implementation from this location.    

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  • Charms and the App Bar

    - by Dennis Vroegop
    Ok. I admit. I made a mistake in the last post about our planespotter app. I have dedicated a full part of the hub to Social. I also had a section called Friends but that made sense since I said that “Friends” is a special group of people that connect to each other through our app and only our app. Social however is sharing our spots with Twitter, Facebook and so on. Now, we could write that functionality in our app in a different section but there is one small problem with that: users don’t expect that. Ok, I admit. The mistake was quite deliberate to give me an excuse to write this part. But still: the mistake is one I see a lot. People are trying to do stuff in their application that they shouldn’t be doing. This always strike me as slightly odd: why do some work when others have already done it for you and you can just use it? After all: good developers are lazy (lazy people will always try to find the easiest way to do something and in development land this usually means the cleanest and best to support way…) So. What is that part that Microsoft has done for us and we don’t have to do ourselves? The answer lies on the right hand of your Win8 screen: This is a screenshot of my tablet (as you can see I am writing this right now….) When I swipe my finger from out of the screen on the right inside the screen (or move the mouse to the upper right corner) this menu will appear. Next to settings and the start menu button we’ll find the Search and the Share charms. These are two ways that your app can share the information it contains with the rest of the world, or at least: the rest of your system. So don’t write a Search feature in your app. Don’t write a Share feature in your app. It’s here already. Users, once they are used to Windows 8, will use that feature and expect it to work. If it doesn’t, they won’t like your app and you can kiss you dreams of everlasting fame goodbye. So use these two. What are they? Well, simply they are parts of a contract. In your app you say somewhere in code that you are supporting Search and Share. So when the user selects Share the system will interrogate the current app in the foreground if it supports this feature. Your app will say “But why, yes, I do!” Then the system will ask the app “Ok then, wisecrack, then share!” and you will have to provide the system with some information about the format. Other applications have subscribed to be at the receiving end of the Share contract. They have told the system that they support Sharing (receiving) and which formats they understand. If one or more of them support the formats you specify, the user will see them. The user clicks / taps on the app of their choice and data is moved from your app to the new one. So if you say you support Facebook and Twitter users can post data from your app to these networks by selecting Share. The same applies to Search. Don’t make a “search” button in your app but use the contract to tell the system that you support search and use that instead. Users will be grateful (remember that bar with men/women/creatures that are waiting for you?) The more and more people get to know Windows 8, the more they will use this. And if you are one of the people who wrote an app that helped them learn the system, well, that’s even better. So. We don’t have a Share or a Search button. We do have other buttons. Most important: we probably need a “New Spot” button. And a “Filter” might be useful. Or someway to open the camera so you can add a picture to the spot. Where will be put those? The answer is the “Appbar” . This is a application / context aware menu that slides up from the bottom of the screen when you move your finger / mouse from below the screen into it. From above downwards works just as well. Here you see an example of the appbar from the People app. (click on it for a larger version). This appears whenever you slide your finger up from below of down from above. This is where you put your commands. Remember, this is context aware so this menu will change when you are in different parts of your app or when you have selected different items. There are a few conventions when you create this appbar. First, the items on the right are “General” items, meaning they have little to do with what is on the screen right now. I think this would be a great place to add our “New Spot” icon. On the far left are items associated with the current selected item or screen. So if you have a spot selected, the button for Add Photo should be visible here and on the left hand side. Not everything is as clear as this, but this is what you should strive for. Group items together. And please note: this is the only place in Metro design where we are allowed to use lines as separators. So when you want to separate a group of icons from another group, add a line. Also note the simplicity of the buttons. No colors, no lights or shadows, no 3D. After a couple of years of fancy almost realistic looking icons people have finally decided that hey, this is a virtual world: it’s ok to look virtual as well. So make things as readable and clear as possible and don’t try to duplicate nature. It’s all about the information, remember? (If you don’t remember I’d like to point you to a older blog post of mine about the what and why of Metro). So.. think about the buttons a bit and think about Share and Search. What will you put there? Remember: this is the way the users interact with your apps and while you shouldn’t judge a book by its covers when it comes to people, this isn’t entirely so when it comes to apps. People DO judge an app by its looks and the way it feels. Take advantage of that. History has learned that a crappy app with a GREAT user interface gets better reviews than a GREAT app with a lousy UI… I know: developers will find this extremely unfair but that’s the world we live in (No, I am not saying you should deliver rubbish apps). Next time: we’ll start by building the darn thing!

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  • Android - Create a custom multi-line ListView bound to an ArrayList

    - by Bill Osuch
    The Android HelloListView tutorial shows how to bind a ListView to an array of string objects, but you'll probably outgrow that pretty quickly. This post will show you how to bind the ListView to an ArrayList of custom objects, as well as create a multi-line ListView. Let's say you have some sort of search functionality that returns a list of people, along with addresses and phone numbers. We're going to display that data in three formatted lines for each result, and make it clickable. First, create your new Android project, and create two layout files. Main.xml will probably already be created by default, so paste this in: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  android:layout_width="fill_parent"   android:layout_height="fill_parent">  <TextView   android:layout_height="wrap_content"   android:text="Custom ListView Contents"   android:gravity="center_vertical|center_horizontal"   android:layout_width="fill_parent" />   <ListView    android:id="@+id/ListView01"    android:layout_height="wrap_content"    android:layout_width="fill_parent"/> </LinearLayout> Next, create a layout file called custom_row_view.xml. This layout will be the template for each individual row in the ListView. You can use pretty much any type of layout - Relative, Table, etc., but for this we'll just use Linear: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:orientation="vertical"  android:layout_width="fill_parent"   android:layout_height="fill_parent">   <TextView android:id="@+id/name"   android:textSize="14sp"   android:textStyle="bold"   android:textColor="#FFFF00"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/>  <TextView android:id="@+id/cityState"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/>  <TextView android:id="@+id/phone"   android:layout_width="wrap_content"   android:layout_height="wrap_content"/> </LinearLayout> Now, add an object called SearchResults. Paste this code in: public class SearchResults {  private String name = "";  private String cityState = "";  private String phone = "";  public void setName(String name) {   this.name = name;  }  public String getName() {   return name;  }  public void setCityState(String cityState) {   this.cityState = cityState;  }  public String getCityState() {   return cityState;  }  public void setPhone(String phone) {   this.phone = phone;  }  public String getPhone() {   return phone;  } } This is the class that we'll be filling with our data, and loading into an ArrayList. Next, you'll need a custom adapter. This one just extends the BaseAdapter, but you could extend the ArrayAdapter if you prefer. public class MyCustomBaseAdapter extends BaseAdapter {  private static ArrayList<SearchResults> searchArrayList;    private LayoutInflater mInflater;  public MyCustomBaseAdapter(Context context, ArrayList<SearchResults> results) {   searchArrayList = results;   mInflater = LayoutInflater.from(context);  }  public int getCount() {   return searchArrayList.size();  }  public Object getItem(int position) {   return searchArrayList.get(position);  }  public long getItemId(int position) {   return position;  }  public View getView(int position, View convertView, ViewGroup parent) {   ViewHolder holder;   if (convertView == null) {    convertView = mInflater.inflate(R.layout.custom_row_view, null);    holder = new ViewHolder();    holder.txtName = (TextView) convertView.findViewById(R.id.name);    holder.txtCityState = (TextView) convertView.findViewById(R.id.cityState);    holder.txtPhone = (TextView) convertView.findViewById(R.id.phone);    convertView.setTag(holder);   } else {    holder = (ViewHolder) convertView.getTag();   }      holder.txtName.setText(searchArrayList.get(position).getName());   holder.txtCityState.setText(searchArrayList.get(position).getCityState());   holder.txtPhone.setText(searchArrayList.get(position).getPhone());   return convertView;  }  static class ViewHolder {   TextView txtName;   TextView txtCityState;   TextView txtPhone;  } } (This is basically the same as the List14.java API demo) Finally, we'll wire it all up in the main class file: public class CustomListView extends Activity {     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);                 ArrayList<SearchResults> searchResults = GetSearchResults();                 final ListView lv1 = (ListView) findViewById(R.id.ListView01);         lv1.setAdapter(new MyCustomBaseAdapter(this, searchResults));                 lv1.setOnItemClickListener(new OnItemClickListener() {          @Override          public void onItemClick(AdapterView<?> a, View v, int position, long id) {           Object o = lv1.getItemAtPosition(position);           SearchResults fullObject = (SearchResults)o;           Toast.makeText(ListViewBlogPost.this, "You have chosen: " + " " + fullObject.getName(), Toast.LENGTH_LONG).show();          }          });     }         private ArrayList<SearchResults> GetSearchResults(){      ArrayList<SearchResults> results = new ArrayList<SearchResults>();            SearchResults sr1 = new SearchResults();      sr1.setName("John Smith");      sr1.setCityState("Dallas, TX");      sr1.setPhone("214-555-1234");      results.add(sr1);            sr1 = new SearchResults();      sr1.setName("Jane Doe");      sr1.setCityState("Atlanta, GA");      sr1.setPhone("469-555-2587");      results.add(sr1);            sr1 = new SearchResults();      sr1.setName("Steve Young");      sr1.setCityState("Miami, FL");      sr1.setPhone("305-555-7895");      results.add(sr1);            sr1 = new SearchResults();      sr1.setName("Fred Jones");      sr1.setCityState("Las Vegas, NV");      sr1.setPhone("612-555-8214");      results.add(sr1);            return results;     } } Notice that we first get an ArrayList of SearchResults objects (normally this would be from an external data source...), pass it to the custom adapter, then set up a click listener. The listener gets the item that was clicked, converts it back to a SearchResults object, and does whatever it needs to do. Fire it up in the emulator, and you should wind up with something like this:

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  • How to use Azure storage for uploading and displaying pictures.

    - by Magnus Karlsson
    Basic set up of Azure storage for local development and production. This is a somewhat completion of the following guide from http://www.windowsazure.com/en-us/develop/net/how-to-guides/blob-storage/ that also involves a practical example that I believe is commonly used, i.e. upload and present an image from a user.   First we set up for local storage and then we configure for them to work on a web role. Steps: 1. Configure connection string locally. 2. Configure model, controllers and razor views.   1. Setup connectionsstring 1.1 Right click your web role and choose “Properties”. 1.2 Click Settings. 1.3 Add setting. 1.4 Name your setting. This will be the name of the connectionstring. 1.5 Click the ellipsis to the right. (the ellipsis appear when you mark the area. 1.6 The following window appears- Select “Windows Azure storage emulator” and click ok.   Now we have a connection string to use. To be able to use it we need to make sure we have windows azure tools for storage. 2.1 Click Tools –> Library Package manager –> Manage Nuget packages for solution. 2.2 This is what it looks like after it has been added.   Now on to what the code should look like. 3.1 First we need a view which collects images to upload. Here Index.cshtml. 1: @model List<string> 2:  3: @{ 4: ViewBag.Title = "Index"; 5: } 6:  7: <h2>Index</h2> 8: <form action="@Url.Action("Upload")" method="post" enctype="multipart/form-data"> 9:  10: <label for="file">Filename:</label> 11: <input type="file" name="file" id="file1" /> 12: <br /> 13: <label for="file">Filename:</label> 14: <input type="file" name="file" id="file2" /> 15: <br /> 16: <label for="file">Filename:</label> 17: <input type="file" name="file" id="file3" /> 18: <br /> 19: <label for="file">Filename:</label> 20: <input type="file" name="file" id="file4" /> 21: <br /> 22: <input type="submit" value="Submit" /> 23: 24: </form> 25:  26: @foreach (var item in Model) { 27:  28: <img src="@item" alt="Alternate text"/> 29: } 3.2 We need a controller to receive the post. Notice the “containername” string I send to the blobhandler. I use this as a folder for the pictures for each user. If this is not a requirement you could just call it container or anything with small characters directly when creating the container. 1: public ActionResult Upload(IEnumerable<HttpPostedFileBase> file) 2: { 3: BlobHandler bh = new BlobHandler("containername"); 4: bh.Upload(file); 5: var blobUris=bh.GetBlobs(); 6: 7: return RedirectToAction("Index",blobUris); 8: } 3.3 The handler model. I’ll let the comments speak for themselves. 1: public class BlobHandler 2: { 3: // Retrieve storage account from connection string. 4: CloudStorageAccount storageAccount = CloudStorageAccount.Parse( 5: CloudConfigurationManager.GetSetting("StorageConnectionString")); 6: 7: private string imageDirecoryUrl; 8: 9: /// <summary> 10: /// Receives the users Id for where the pictures are and creates 11: /// a blob storage with that name if it does not exist. 12: /// </summary> 13: /// <param name="imageDirecoryUrl"></param> 14: public BlobHandler(string imageDirecoryUrl) 15: { 16: this.imageDirecoryUrl = imageDirecoryUrl; 17: // Create the blob client. 18: CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient(); 19: 20: // Retrieve a reference to a container. 21: CloudBlobContainer container = blobClient.GetContainerReference(imageDirecoryUrl); 22: 23: // Create the container if it doesn't already exist. 24: container.CreateIfNotExists(); 25: 26: //Make available to everyone 27: container.SetPermissions( 28: new BlobContainerPermissions 29: { 30: PublicAccess = BlobContainerPublicAccessType.Blob 31: }); 32: } 33: 34: public void Upload(IEnumerable<HttpPostedFileBase> file) 35: { 36: // Create the blob client. 37: CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient(); 38: 39: // Retrieve a reference to a container. 40: CloudBlobContainer container = blobClient.GetContainerReference(imageDirecoryUrl); 41: 42: if (file != null) 43: { 44: foreach (var f in file) 45: { 46: if (f != null) 47: { 48: CloudBlockBlob blockBlob = container.GetBlockBlobReference(f.FileName); 49: blockBlob.UploadFromStream(f.InputStream); 50: } 51: } 52: } 53: } 54: 55: public List<string> GetBlobs() 56: { 57: // Create the blob client. 58: CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient(); 59: 60: // Retrieve reference to a previously created container. 61: CloudBlobContainer container = blobClient.GetContainerReference(imageDirecoryUrl); 62: 63: List<string> blobs = new List<string>(); 64: 65: // Loop over blobs within the container and output the URI to each of them 66: foreach (var blobItem in container.ListBlobs()) 67: blobs.Add(blobItem.Uri.ToString()); 68: 69: return blobs; 70: } 71: } 3.4 So, when the files have been uploaded we will get them to present them to out user in the index page. Pretty straight forward. In this example we only present the image by sending the Uri’s to the view. A better way would be to save them up in a view model containing URI, metadata, alternate text, and other relevant information but for this example this is all we need.   4. Now press F5 in your solution to try it out. You can see the storage emulator UI here:     4.1 If you get any exceptions or errors I suggest to first check if the service Is running correctly. I had problem with this and they seemed related to the installation and a reboot fixed my problems.     5. Set up for Cloud storage. To do this we need to add configuration for cloud just as we did for local in step one. 5.1 We need our keys to do this. Go to the windows Azure menagement portal, select storage icon to the right and click “Manage keys”. (Image from a different blog post though).   5.2 Do as in step 1.but replace step 1.6 with: 1.6 Choose “Manually entered credentials”. Enter your account name. 1.7 Paste your Account Key from step 5.1. and click ok.   5.3. Save, publish and run! Please feel free to ask any questions using the comments form at the bottom of this page. I will get back to you to help you solve any questions. Our consultancy agency also provides services in the Nordic regions if you would like any further support.

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  • The 20 Most Important Keyboard Shortcuts For Windows PCs

    - by Chris Hoffman
    Keyboard shortcuts are practically essential for using any type of PC. They’ll speed up almost everything you do. But long lists of keyboard shortcuts can quickly become overwhelming if you’re just getting started. This list will cover the most useful keyboard shortcuts that every Windows user should know. If you haven’t used keyboard shortcuts much, these will show you just how useful keyboard shortcuts can be. Windows Key + Search The Windows key is particularly important on Windows 8 — especially before Windows 8.1 — because it allows you to quickly return to the Start screen. On Windows 7, it opens the Start menu. Either way, you can start typing immediately after you press the Windows key to search for programs, settings, and files. For example, if you want to launch Firefox, you can press the Windows key, start typing the word Firefox, and press Enter when the Firefox shortcut appears. It’s a quick way to launch programs, open files, and locate Control Panel options without even touching your mouse and without digging through a cluttered Start menu. You can also use the arrow keys to select the shortcut you want to launch before pressing Enter. Copy, Cut, Paste Copy, Cut, and Paste are extremely important keyboard shortcuts for text-editing. If you do any typing on your computer, you probably use them. These options can be accessed using the mouse, either by right-clicking on selected text or opening the application’s Edit menu, but this is the slowest way to do it. After selecting some text, press Ctrl+C to copy it or Ctrl+X to cut it. Position the cursor where you want the text and use Ctrl+V to paste it. These shortcuts can save you a huge amount of time over using the mouse. Search the Current Page or File To quickly perform a search in the current application — whether you’re in a web browser, PDF viewer, document editor, or almost any other type of application — press Ctrl+F. The application’s search (or “Find”) feature will pop up, and you can instantly start typing a phrase you want to search for. You can generally press Enter to  go to the next appearance of the word or phrase in the document, quickly searching through it for what you’re interested in. Switch Between Applications and Tabs Rather than clicking buttons on your taskbar, Alt+Tab is a very quick way to switch between running applications. Windows orders the list of open windows by the order you accessed them, so if you’re only using two different applications, you can just press Alt+Tab to quickly switch between them. If switching between more than two windows, you’ll have to hold the Alt key and press Tab repeatedly to toggle through the list of open windows. If you miss the window you want, you can always press Alt+Shift+Tab to move through the list in reverse. To move between tabs in an application — such as the browser tabs in your web browser — press Ctrl+Tab. Ctrl+Shift+Tab will move through tabs in reverse. Quickly Print If you’re the kind of person who still prints things, you can quickly open the print window by pressing Ctrl+P. This can be faster than hunting down the Print option in every program you want to print something from. Basic Browser Shortcuts Web browser shortcuts can save you tons of time, too. Ctrl+T is a very useful one, as it will open a new tab with the address bar focused, so you can quickly press Ctrl +T, type a search phrase or web address, and press Enter to go there. To go back or forward while browsing, hold the Ctrl key and press the left or right arrow keys. If you’d just like to focus your web browser’s address bar so you can type a new web address or search without opening a new tab, press Ctrl + L. You can then start typing something and press Enter. Close Tabs and Windows To quickly close the current application, press Alt+F4. This works on the desktop and even in new Windows 8-style applications. To quickly close the current browser tab or document, press Ctrl+W. This will often close the current window if there are no other tabs open. Lock Your Computer When you’re done using your computer and want to step away, you may want to lock it. People won’t be able to log in and access your desktop unless they know your password. You can do this from the Start menu or Start screen, but the fastest way to lock your screen is by quickly pressing Windows Key + L before you get up. Access the Task Manager Ctrl+Alt+Delete will take you to a screen that allows you to quickly launch the Task Manager or perform other operations, such as signing out. This is particularly useful because if can be used to recover from situations where your computer doesn’t appear responsive or isn’t accepting input. For example, if a full-screen game becomes unresponsive, Ctrl+Alt+Delete will often allow you to escape from it and end it via the Task Manager. Windows 8 Shortcuts On Windows 8 PCs, there are other very important keyboard shortcuts. Windows Key + C will open your Charms bar, while Windows Key + Tab will open the new App Switcher. These keyboard shortcuts will allow you to avoid the hot corners, which can be tedious to use with a mouse. On the desktop side, Windows Key + D will take you back to the desktop from anywhere. Windows Key + X will open a special “power user menu” that gives you quick access to options that are hidden in the new Windows 8 interface, including Shut Down, Restart, and Control Panel. If you’re interested in learning more keyboard shortcuts, be sure to check our longer lists of 47 keyboard shortcuts that work in all web browsers and 42+ keyboard shortcuts to speed up text-editing. Image Credit: Jeroen Bennink on Flickr     

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  • Consuming the Amazon S3 service from a Win8 Metro Application

    - by cibrax
    As many of the existing Http APIs for Cloud Services, AWS also provides a set of different platform SDKs for hiding many of complexities present in the APIs. While there is a platform SDK for .NET, which is open source and available in C#, that SDK does not work in Win8 Metro Applications for the changes introduced in WinRT. WinRT offers a complete different set of APIs for doing I/O operations such as doing http calls or using cryptography for signing or encrypting data, two aspects that are absolutely necessary for consuming AWS. All the I/O APIs available as part of WinRT are asynchronous, and uses the TPL model for .NET applications (HTML and JavaScript Metro applications use a model based in promises, which is similar concept).  In the case of S3, the http Authorization header is used for two purposes, authenticating clients and make sure the messages were not altered while they were in transit. For doing that, it uses a signature or hash of the message content and some of the headers using a symmetric key (That's just one of the available mechanisms). Windows Azure for example also uses the same mechanism in many of its APIs. There are three challenges that any developer working for first time in Metro will have to face to consume S3, the new WinRT APIs, the asynchronous nature of them and the complexity introduced for generating the Authorization header. Having said that, I decided to write this post with some of the gotchas I found myself trying to consume this Amazon service. 1. Generating the signature for the Authorization header All the cryptography APIs in WinRT are available under Windows.Security.Cryptography namespace. Many of operations available in these APIs uses the concept of buffers (IBuffer) for representing a chunk of binary data. As you will see in the example below, these buffers are mainly generated with the use of static methods in a WinRT class CryptographicBuffer available as part of the namespace previously mentioned. private string DeriveAuthToken(string resource, string httpMethod, string timestamp) { var stringToSign = string.Format("{0}\n" + "\n" + "\n" + "\n" + "x-amz-date:{1}\n" + "/{2}/", httpMethod, timestamp, resource); var algorithm = MacAlgorithmProvider.OpenAlgorithm("HMAC_SHA1"); var keyMaterial = CryptographicBuffer.CreateFromByteArray(Encoding.UTF8.GetBytes(this.secret)); var hmacKey = algorithm.CreateKey(keyMaterial); var signature = CryptographicEngine.Sign( hmacKey, CryptographicBuffer.CreateFromByteArray(Encoding.UTF8.GetBytes(stringToSign)) ); return CryptographicBuffer.EncodeToBase64String(signature); } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } The algorithm that determines the information or content you need to use for generating the signature is very well described as part of the AWS documentation. In this case, this method is generating a signature required for creating a new bucket. A HmacSha1 hash is computed using a secret or symetric key provided by AWS in the management console. 2. Sending an Http Request to the S3 service WinRT also ships with the System.Net.Http.HttpClient that was first introduced some months ago with ASP.NET Web API. This client provides a rich interface on top the traditional WebHttpRequest class, and also solves some of limitations found in this last one. There are a few things that don't work with a raw WebHttpRequest such as setting the Host header, which is something absolutely required for consuming S3. Also, HttpClient is more friendly for doing unit tests, as it receives a HttpMessageHandler as part of the constructor that can fake to emulate a real http call. This is how the code for consuming the service with HttpClient looks like, public async Task<S3Response> CreateBucket(string name, string region = null, params string[] acl) { var timestamp = string.Format("{0:r}", DateTime.UtcNow); var auth = DeriveAuthToken(name, "PUT", timestamp); var request = new HttpRequestMessage(HttpMethod.Put, "http://s3.amazonaws.com/"); request.Headers.Host = string.Format("{0}.s3.amazonaws.com", name); request.Headers.TryAddWithoutValidation("Authorization", "AWS " + this.key + ":" + auth); request.Headers.Add("x-amz-date", timestamp); var client = new HttpClient(); var response = await client.SendAsync(request); return new S3Response { Succeed = response.StatusCode == HttpStatusCode.OK, Message = (response.Content != null) ? await response.Content.ReadAsStringAsync() : null }; } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } You will notice a few additional things in this code. By default, HttpClient validates the values for some well-know headers, and Authorization is one of them. It won't allow you to set a value with ":" on it, which is something that S3 expects. However, that's not a problem at all, as you can skip the validation by using the TryAddWithoutValidation method. Also, the code is heavily relying on the new async and await keywords to transform all the asynchronous calls into synchronous ones. In case you would want to unit test this code and faking the call to the real S3 service, you should have to modify it to inject a custom HttpMessageHandler into the HttpClient. The following implementation illustrates this concept, In case you would want to unit test this code and faking the call to the real S3 service, you should have to modify it to inject a custom HttpMessageHandler into the HttpClient. The following implementation illustrates this concept, public class FakeHttpMessageHandler : HttpMessageHandler { HttpResponseMessage response; public FakeHttpMessageHandler(HttpResponseMessage response) { this.response = response; } protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) { var tcs = new TaskCompletionSource<HttpResponseMessage>(); tcs.SetResult(response); return tcs.Task; } } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } You can use this handler for injecting any response while you are unit testing the code.

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  • Consuming the Amazon S3 service from a Win8 Metro Application

    - by cibrax
    As many of the existing Http APIs for Cloud Services, AWS also provides a set of different platform SDKs for hiding many of complexities present in the APIs. While there is a platform SDK for .NET, which is open source and available in C#, that SDK does not work in Win8 Metro Applications for the changes introduced in WinRT. WinRT offers a complete different set of APIs for doing I/O operations such as doing http calls or using cryptography for signing or encrypting data, two aspects that are absolutely necessary for consuming AWS. All the I/O APIs available as part of WinRT are asynchronous, and uses the TPL model for .NET applications (HTML and JavaScript Metro applications use a model based in promises, which is similar concept).  In the case of S3, the http Authorization header is used for two purposes, authenticating clients and make sure the messages were not altered while they were in transit. For doing that, it uses a signature or hash of the message content and some of the headers using a symmetric key (That's just one of the available mechanisms). Windows Azure for example also uses the same mechanism in many of its APIs. There are three challenges that any developer working for first time in Metro will have to face to consume S3, the new WinRT APIs, the asynchronous nature of them and the complexity introduced for generating the Authorization header. Having said that, I decided to write this post with some of the gotchas I found myself trying to consume this Amazon service. 1. Generating the signature for the Authorization header All the cryptography APIs in WinRT are available under Windows.Security.Cryptography namespace. Many of operations available in these APIs uses the concept of buffers (IBuffer) for representing a chunk of binary data. As you will see in the example below, these buffers are mainly generated with the use of static methods in a WinRT class CryptographicBuffer available as part of the namespace previously mentioned. private string DeriveAuthToken(string resource, string httpMethod, string timestamp) { var stringToSign = string.Format("{0}\n" + "\n" + "\n" + "\n" + "x-amz-date:{1}\n" + "/{2}/", httpMethod, timestamp, resource); var algorithm = MacAlgorithmProvider.OpenAlgorithm("HMAC_SHA1"); var keyMaterial = CryptographicBuffer.CreateFromByteArray(Encoding.UTF8.GetBytes(this.secret)); var hmacKey = algorithm.CreateKey(keyMaterial); var signature = CryptographicEngine.Sign( hmacKey, CryptographicBuffer.CreateFromByteArray(Encoding.UTF8.GetBytes(stringToSign)) ); return CryptographicBuffer.EncodeToBase64String(signature); } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } The algorithm that determines the information or content you need to use for generating the signature is very well described as part of the AWS documentation. In this case, this method is generating a signature required for creating a new bucket. A HmacSha1 hash is computed using a secret or symetric key provided by AWS in the management console. 2. Sending an Http Request to the S3 service WinRT also ships with the System.Net.Http.HttpClient that was first introduced some months ago with ASP.NET Web API. This client provides a rich interface on top the traditional WebHttpRequest class, and also solves some of limitations found in this last one. There are a few things that don't work with a raw WebHttpRequest such as setting the Host header, which is something absolutely required for consuming S3. Also, HttpClient is more friendly for doing unit tests, as it receives a HttpMessageHandler as part of the constructor that can fake to emulate a real http call. This is how the code for consuming the service with HttpClient looks like, public async Task<S3Response> CreateBucket(string name, string region = null, params string[] acl) { var timestamp = string.Format("{0:r}", DateTime.UtcNow); var auth = DeriveAuthToken(name, "PUT", timestamp); var request = new HttpRequestMessage(HttpMethod.Put, "http://s3.amazonaws.com/"); request.Headers.Host = string.Format("{0}.s3.amazonaws.com", name); request.Headers.TryAddWithoutValidation("Authorization", "AWS " + this.key + ":" + auth); request.Headers.Add("x-amz-date", timestamp); var client = new HttpClient(); var response = await client.SendAsync(request); return new S3Response { Succeed = response.StatusCode == HttpStatusCode.OK, Message = (response.Content != null) ? await response.Content.ReadAsStringAsync() : null }; } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } You will notice a few additional things in this code. By default, HttpClient validates the values for some well-know headers, and Authorization is one of them. It won't allow you to set a value with ":" on it, which is something that S3 expects. However, that's not a problem at all, as you can skip the validation by using the TryAddWithoutValidation method. Also, the code is heavily relying on the new async and await keywords to transform all the asynchronous calls into synchronous ones. In case you would want to unit test this code and faking the call to the real S3 service, you should have to modify it to inject a custom HttpMessageHandler into the HttpClient. The following implementation illustrates this concept, In case you would want to unit test this code and faking the call to the real S3 service, you should have to modify it to inject a custom HttpMessageHandler into the HttpClient. The following implementation illustrates this concept, public class FakeHttpMessageHandler : HttpMessageHandler { HttpResponseMessage response; public FakeHttpMessageHandler(HttpResponseMessage response) { this.response = response; } protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) { var tcs = new TaskCompletionSource<HttpResponseMessage>(); tcs.SetResult(response); return tcs.Task; } } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } You can use this handler for injecting any response while you are unit testing the code.

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  • EMERGENCY - Major Problems After Perl Module Installed via WHM

    - by Russell C.
    I attempted to install the perl module Net::Twitter::Role::API::Lists using WHM and after doing so my whole site came down. It seems that something that was updated with the install isn't functioning correctly and since our website it written in Perl none of our site scripts will run. In almost 8 years of working with Perl I've never had any issues arise after installing a perl module so I have no idea how to even start troubleshooting. The error I see when trying to compile any of our Perl scripts is below. I'd appreciate any advice on what might be wrong and steps on how I can go about resolve it. Thanks in advance for your help! Attribute (+type_constraint) of class MooseX::AttributeHelpers::Counter has no associated methods (did you mean to provide an "is" argument?) at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Attribute.pm line 551 Moose::Meta::Attribute::_check_associated_methods('Moose::Meta::Attribute=HASH(0x9ae35b4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Class.pm line 303 Moose::Meta::Class::add_attribute('Moose::Meta::Class=HASH(0xa4d7718)', 'Moose::Meta::Attribute=HASH(0x9ae35b4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 142 Moose::Meta::Role::Application::ToClass::apply_attributes('Moose::Meta::Role::Application::ToClass=HASH(0xa4dfb38)', 'Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application.pm line 72 Moose::Meta::Role::Application::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4dfb38)', 'Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 31 Moose::Meta::Role::Application::ToClass::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4dfb38)', 'Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role.pm line 419 Moose::Meta::Role::apply('Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 132 Moose::Util::_apply_all_roles('Moose::Meta::Class=HASH(0xa4d7718)', 'undef', 'MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 86 Moose::Util::apply_all_roles('Moose::Meta::Class=HASH(0xa4d7718)', 'MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose.pm line 57 Moose::with('Moose::Meta::Class=HASH(0xa4d7718)', 'MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Exporter.pm line 293 Moose::with('MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 10 require MooseX/AttributeHelpers/Counter.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers.pm line 23 MooseX::AttributeHelpers::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/AttributeHelpers.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute/Role/Meta/Class.pm line 6 MooseX::ClassAttribute::Role::Meta::Class::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/ClassAttribute/Role/Meta/Class.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute.pm line 11 MooseX::ClassAttribute::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/ClassAttribute.pm called at /usr/lib/perl5/site_perl/5.8.8/Olson/Abbreviations.pm line 6 Olson::Abbreviations::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require Olson/Abbreviations.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTime/ButMaintained.pm line 10 MooseX::Types::DateTime::ButMaintained::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/Types/DateTime/ButMaintained.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTimeX.pm line 9 MooseX::Types::DateTimeX::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/Types/DateTimeX.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3/Client/Bucket.pm line 5 Net::Amazon::S3::Client::Bucket::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require Net/Amazon/S3/Client/Bucket.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3.pm line 111 Net::Amazon::S3::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require Net/Amazon/S3.pm called at /home/atrails/www/cgi-bin/main.pm line 1633 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require main.pm called at /home/atrails/cron/meetup.pl line 20 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 Attribute (+default) of class MooseX::AttributeHelpers::Counter has no associated methods (did you mean to provide an "is" argument?) at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Attribute.pm line 551 Moose::Meta::Attribute::_check_associated_methods('Moose::Meta::Attribute=HASH(0xa4df4b4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Class.pm line 303 Moose::Meta::Class::add_attribute('Moose::Meta::Class=HASH(0xa4d7718)', 'Moose::Meta::Attribute=HASH(0xa4df4b4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 142 Moose::Meta::Role::Application::ToClass::apply_attributes('Moose::Meta::Role::Application::ToClass=HASH(0xa4dfb38)', 'Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application.pm line 72 Moose::Meta::Role::Application::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4dfb38)', 'Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 31 Moose::Meta::Role::Application::ToClass::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4dfb38)', 'Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role.pm line 419 Moose::Meta::Role::apply('Moose::Meta::Role=HASH(0xa3dbdec)', 'Moose::Meta::Class=HASH(0xa4d7718)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 132 Moose::Util::_apply_all_roles('Moose::Meta::Class=HASH(0xa4d7718)', 'undef', 'MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 86 Moose::Util::apply_all_roles('Moose::Meta::Class=HASH(0xa4d7718)', 'MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose.pm line 57 Moose::with('Moose::Meta::Class=HASH(0xa4d7718)', 'MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Exporter.pm line 293 Moose::with('MooseX::AttributeHelpers::Trait::Counter') called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 10 require MooseX/AttributeHelpers/Counter.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers.pm line 23 MooseX::AttributeHelpers::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/AttributeHelpers.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute/Role/Meta/Class.pm line 6 MooseX::ClassAttribute::Role::Meta::Class::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/ClassAttribute/Role/Meta/Class.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute.pm line 11 MooseX::ClassAttribute::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/ClassAttribute.pm called at /usr/lib/perl5/site_perl/5.8.8/Olson/Abbreviations.pm line 6 Olson::Abbreviations::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require Olson/Abbreviations.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTime/ButMaintained.pm line 10 MooseX::Types::DateTime::ButMaintained::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/Types/DateTime/ButMaintained.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTimeX.pm line 9 MooseX::Types::DateTimeX::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require MooseX/Types/DateTimeX.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3/Client/Bucket.pm line 5 Net::Amazon::S3::Client::Bucket::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require Net/Amazon/S3/Client/Bucket.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3.pm line 111 Net::Amazon::S3::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require Net/Amazon/S3.pm called at /home/atrails/www/cgi-bin/main.pm line 1633 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 require main.pm called at /home/atrails/cron/meetup.pl line 20 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Counter.pm line 0 Attribute (+type_constraint) of class MooseX::AttributeHelpers::Number has no associated methods (did you mean to provide an "is" argument?) at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Attribute.pm line 551 Moose::Meta::Attribute::_check_associated_methods('Moose::Meta::Attribute=HASH(0xa4ea48c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Class.pm line 303 Moose::Meta::Class::add_attribute('Moose::Meta::Class=HASH(0xa4f778c)', 'Moose::Meta::Attribute=HASH(0xa4ea48c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 142 Moose::Meta::Role::Application::ToClass::apply_attributes('Moose::Meta::Role::Application::ToClass=HASH(0xa4f8014)', 'Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application.pm line 72 Moose::Meta::Role::Application::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4f8014)', 'Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 31 Moose::Meta::Role::Application::ToClass::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4f8014)', 'Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role.pm line 419 Moose::Meta::Role::apply('Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 132 Moose::Util::_apply_all_roles('Moose::Meta::Class=HASH(0xa4f778c)', 'undef', 'MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 86 Moose::Util::apply_all_roles('Moose::Meta::Class=HASH(0xa4f778c)', 'MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose.pm line 57 Moose::with('Moose::Meta::Class=HASH(0xa4f778c)', 'MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Exporter.pm line 293 Moose::with('MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 9 require MooseX/AttributeHelpers/Number.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers.pm line 24 MooseX::AttributeHelpers::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/AttributeHelpers.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute/Role/Meta/Class.pm line 6 MooseX::ClassAttribute::Role::Meta::Class::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/ClassAttribute/Role/Meta/Class.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute.pm line 11 MooseX::ClassAttribute::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/ClassAttribute.pm called at /usr/lib/perl5/site_perl/5.8.8/Olson/Abbreviations.pm line 6 Olson::Abbreviations::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require Olson/Abbreviations.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTime/ButMaintained.pm line 10 MooseX::Types::DateTime::ButMaintained::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/Types/DateTime/ButMaintained.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTimeX.pm line 9 MooseX::Types::DateTimeX::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/Types/DateTimeX.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3/Client/Bucket.pm line 5 Net::Amazon::S3::Client::Bucket::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require Net/Amazon/S3/Client/Bucket.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3.pm line 111 Net::Amazon::S3::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require Net/Amazon/S3.pm called at /home/atrails/www/cgi-bin/main.pm line 1633 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require main.pm called at /home/atrails/cron/meetup.pl line 20 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 Attribute (+default) of class MooseX::AttributeHelpers::Number has no associated methods (did you mean to provide an "is" argument?) at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Attribute.pm line 551 Moose::Meta::Attribute::_check_associated_methods('Moose::Meta::Attribute=HASH(0xa4f7804)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Class.pm line 303 Moose::Meta::Class::add_attribute('Moose::Meta::Class=HASH(0xa4f778c)', 'Moose::Meta::Attribute=HASH(0xa4f7804)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 142 Moose::Meta::Role::Application::ToClass::apply_attributes('Moose::Meta::Role::Application::ToClass=HASH(0xa4f8014)', 'Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application.pm line 72 Moose::Meta::Role::Application::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4f8014)', 'Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 31 Moose::Meta::Role::Application::ToClass::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa4f8014)', 'Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role.pm line 419 Moose::Meta::Role::apply('Moose::Meta::Role=HASH(0xa38b764)', 'Moose::Meta::Class=HASH(0xa4f778c)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 132 Moose::Util::_apply_all_roles('Moose::Meta::Class=HASH(0xa4f778c)', 'undef', 'MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 86 Moose::Util::apply_all_roles('Moose::Meta::Class=HASH(0xa4f778c)', 'MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose.pm line 57 Moose::with('Moose::Meta::Class=HASH(0xa4f778c)', 'MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Exporter.pm line 293 Moose::with('MooseX::AttributeHelpers::Trait::Number') called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 9 require MooseX/AttributeHelpers/Number.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers.pm line 24 MooseX::AttributeHelpers::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/AttributeHelpers.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute/Role/Meta/Class.pm line 6 MooseX::ClassAttribute::Role::Meta::Class::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/ClassAttribute/Role/Meta/Class.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute.pm line 11 MooseX::ClassAttribute::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/ClassAttribute.pm called at /usr/lib/perl5/site_perl/5.8.8/Olson/Abbreviations.pm line 6 Olson::Abbreviations::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require Olson/Abbreviations.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTime/ButMaintained.pm line 10 MooseX::Types::DateTime::ButMaintained::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/Types/DateTime/ButMaintained.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTimeX.pm line 9 MooseX::Types::DateTimeX::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require MooseX/Types/DateTimeX.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3/Client/Bucket.pm line 5 Net::Amazon::S3::Client::Bucket::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require Net/Amazon/S3/Client/Bucket.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3.pm line 111 Net::Amazon::S3::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require Net/Amazon/S3.pm called at /home/atrails/www/cgi-bin/main.pm line 1633 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 require main.pm called at /home/atrails/cron/meetup.pl line 20 main::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/Number.pm line 0 Attribute (+type_constraint) of class MooseX::AttributeHelpers::String has no associated methods (did you mean to provide an "is" argument?) at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Attribute.pm line 551 Moose::Meta::Attribute::_check_associated_methods('Moose::Meta::Attribute=HASH(0xa4fdae0)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Class.pm line 303 Moose::Meta::Class::add_attribute('Moose::Meta::Class=HASH(0xa4fd5c4)', 'Moose::Meta::Attribute=HASH(0xa4fdae0)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 142 Moose::Meta::Role::Application::ToClass::apply_attributes('Moose::Meta::Role::Application::ToClass=HASH(0xa5002d8)', 'Moose::Meta::Role=HASH(0xa42a690)', 'Moose::Meta::Class=HASH(0xa4fd5c4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application.pm line 72 Moose::Meta::Role::Application::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa5002d8)', 'Moose::Meta::Role=HASH(0xa42a690)', 'Moose::Meta::Class=HASH(0xa4fd5c4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role/Application/ToClass.pm line 31 Moose::Meta::Role::Application::ToClass::apply('Moose::Meta::Role::Application::ToClass=HASH(0xa5002d8)', 'Moose::Meta::Role=HASH(0xa42a690)', 'Moose::Meta::Class=HASH(0xa4fd5c4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Meta/Role.pm line 419 Moose::Meta::Role::apply('Moose::Meta::Role=HASH(0xa42a690)', 'Moose::Meta::Class=HASH(0xa4fd5c4)') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 132 Moose::Util::_apply_all_roles('Moose::Meta::Class=HASH(0xa4fd5c4)', 'undef', 'MooseX::AttributeHelpers::Trait::String') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Util.pm line 86 Moose::Util::apply_all_roles('Moose::Meta::Class=HASH(0xa4fd5c4)', 'MooseX::AttributeHelpers::Trait::String') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose.pm line 57 Moose::with('Moose::Meta::Class=HASH(0xa4fd5c4)', 'MooseX::AttributeHelpers::Trait::String') called at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Moose/Exporter.pm line 293 Moose::with('MooseX::AttributeHelpers::Trait::String') called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 10 require MooseX/AttributeHelpers/String.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers.pm line 25 MooseX::AttributeHelpers::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 require MooseX/AttributeHelpers.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute/Role/Meta/Class.pm line 6 MooseX::ClassAttribute::Role::Meta::Class::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 require MooseX/ClassAttribute/Role/Meta/Class.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/ClassAttribute.pm line 11 MooseX::ClassAttribute::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 require MooseX/ClassAttribute.pm called at /usr/lib/perl5/site_perl/5.8.8/Olson/Abbreviations.pm line 6 Olson::Abbreviations::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 require Olson/Abbreviations.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTime/ButMaintained.pm line 10 MooseX::Types::DateTime::ButMaintained::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 require MooseX/Types/DateTime/ButMaintained.pm called at /usr/lib/perl5/site_perl/5.8.8/MooseX/Types/DateTimeX.pm line 9 MooseX::Types::DateTimeX::BEGIN() called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 eval {...} called at /usr/lib/perl5/site_perl/5.8.8/MooseX/AttributeHelpers/String.pm line 0 require MooseX/Types/DateTimeX.pm called at /usr/lib/perl5/site_perl/5.8.8/Net/Amazon/S3/Client/Bucket.pm line 5 Net::Amazon::S3::Client::Bucket::BEGIN() called at /usr/lib/perl5/site_per

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  • build error with boost spirit grammar (boost 1.43 and g++ 4.4.1) part II

    - by lurscher
    I'm having issues getting a small spirit/qi grammar to compile. i am using boost 1.43 and g++ 4.4.1. the input grammar header: inputGrammar.h #include <boost/config/warning_disable.hpp> #include <boost/spirit/include/qi.hpp> #include <boost/spirit/include/phoenix_core.hpp> #include <boost/spirit/include/phoenix_operator.hpp> #include <boost/spirit/include/phoenix_fusion.hpp> #include <boost/spirit/include/phoenix_stl.hpp> #include <boost/fusion/include/adapt_struct.hpp> #include <boost/variant/recursive_variant.hpp> #include <boost/foreach.hpp> #include <iostream> #include <fstream> #include <string> #include <vector> namespace sp = boost::spirit; namespace qi = boost::spirit::qi; using namespace boost::spirit::ascii; //using namespace boost::spirit::arg_names; namespace fusion = boost::fusion; namespace phoenix = boost::phoenix; using phoenix::at_c; using phoenix::push_back; template< typename Iterator , typename ExpressionAST > struct InputGrammar : qi::grammar<Iterator, ExpressionAST(), space_type> { InputGrammar() : InputGrammar::base_type( block ) { tag = sp::lexeme[+(alpha) [sp::_val += sp::_1]];//[+(char_ - '<') [_val += _1]]; block = sp::lit("block") [ at_c<0>(sp::_val) = sp::_1] >> "(" >> *instruction[ push_back( at_c<1>(sp::_val) , sp::_1 ) ] >> ")"; command = tag [ at_c<0>(sp::_val) = sp::_1] >> "(" >> *instruction [ push_back( at_c<1>(sp::_val) , sp::_1 )] >> ")"; instruction = ( command | tag ) [sp::_val = sp::_1]; } qi::rule< Iterator , std::string() , space_type > tag; qi::rule< Iterator , ExpressionAST() , space_type > block; qi::rule< Iterator , ExpressionAST() , space_type > function_def; qi::rule< Iterator , ExpressionAST() , space_type > command; qi::rule< Iterator , ExpressionAST() , space_type > instruction; }; the test build program: #include <iostream> #include <string> #include <vector> using namespace std; //my grammar #include <InputGrammar.h> struct MockExpressionNode { std::string name; std::vector< MockExpressionNode > operands; typedef std::vector< MockExpressionNode >::iterator iterator; typedef std::vector< MockExpressionNode >::const_iterator const_iterator; iterator begin() { return operands.begin(); } const_iterator begin() const { return operands.begin(); } iterator end() { return operands.end(); } const_iterator end() const { return operands.end(); } bool is_leaf() const { return ( operands.begin() == operands.end() ); } }; BOOST_FUSION_ADAPT_STRUCT( MockExpressionNode, (std::string, name) (std::vector<MockExpressionNode>, operands) ) int const tabsize = 4; void tab(int indent) { for (int i = 0; i < indent; ++i) std::cout << ' '; } template< typename ExpressionNode > struct ExpressionNodePrinter { ExpressionNodePrinter(int indent = 0) : indent(indent) { } void operator()(ExpressionNode const& node) const { cout << " tag: " << node.name << endl; for (int i=0 ; i < node.operands.size() ; i++ ) { tab( indent ); cout << " arg "<<i<<": "; ExpressionNodePrinter(indent + 2)( node.operands[i]); cout << endl; } } int indent; }; int test() { MockExpressionNode root; InputGrammar< string::const_iterator , MockExpressionNode > g; std::string litA = "litA"; std::string litB = "litB"; std::string litC = "litC"; std::string litD = "litD"; std::string litE = "litE"; std::string litF = "litF"; std::string source = litA+"( "+litB+" ,"+litC+" , "+ litD+" ( "+litE+", "+litF+" ) "+ " )"; string::const_iterator iter = source.begin(); string::const_iterator end = source.end(); bool r = qi::phrase_parse( iter , end , g , space , root ); ExpressionNodePrinter< MockExpressionNode > np; np( root ); }; int main() { test(); } finally, the build error is the following: (the full error trace is 20 times bigger than the allowed size for a stackoverflow question, so i posted the full version of it at http://codepad.org/Q74IVCUc) /usr/bin/make -f nbproject/Makefile-linux_amd64_devel.mk SUBPROJECTS= .build-conf make[1]: se ingresa al directorio `/home/mineq/NetBeansProjects/InputParserTests' /usr/bin/make -f nbproject/Makefile-linux_amd64_devel.mk dist/linux_amd64_devel/GNU-Linux-x86/vpuinputparsertests make[2]: se ingresa al directorio `/home/mineq/NetBeansProjects/InputParserTests' mkdir -p build/linux_amd64_devel/GNU-Linux-x86 rm -f build/linux_amd64_devel/GNU-Linux-x86/tests_main.o.d g++ `llvm-config --cxxflags` `pkg-config --cflags unittest-cpp` `pkg-config --cflags boost-1.43` `pkg-config --cflags boost-coroutines` -c -g -I../InputParser -MMD -MP -MF build/linux_amd64_devel/GNU-Linux-x86/tests_main.o.d -o build/linux_amd64_devel/GNU-Linux-x86/tests_main.o tests_main.cpp from /home/mineq/third_party/boost_1_43_0/boost/spirit/include/phoenix_operator.hpp:11, from ../InputParser/InputGrammar.h:14, from tests_main.cpp:14: /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/operator/self.hpp: In instantiation of ‘const int boost::phoenix::result_of_assign<MockExpressionNode&, boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>::size’: In file included from /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/operator.hpp:16, /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/operator/self.hpp:27: instantiated from ‘const int boost::phoenix::result_of_assign<MockExpressionNode&, boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>::index’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/operator/self.hpp:27: instantiated from ‘boost::phoenix::result_of_assign<MockExpressionNode&, boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>’ /home/mineq/third_party/boost_1_43_0/boost/mpl/eval_if.hpp:38: instantiated from ‘boost::mpl::eval_if<boost::mpl::or_<boost::phoenix::is_actor<MockExpressionNode&>, boost::phoenix::is_actor<boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>, mpl_::bool_<false>, mpl_::bool_<false>, mpl_::bool_<false> >, boost::phoenix::re_curry<boost::phoenix::assign_eval, MockExpressionNode&, boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_>, boost::phoenix::result_of_assign<MockExpressionNode&, boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&> >’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/operator/self.hpp:69: instantiated from ‘boost::phoenix::assign_eval::result<boost::phoenix::basic_environment<boost::fusion::vector1<boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>, boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, bool, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_>, boost::spirit::attribute<0>, boost::spirit::argument<0> >’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/core/detail/composite_eval.hpp:89: instantiated from ‘boost::phoenix::detail::composite_eval<2>::result<boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> >, boost::phoenix::basic_environment<boost::fusion::vector1<boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>, boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, bool, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> >’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/core/composite.hpp:61: instantiated from ‘boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> >::result<boost::phoenix::basic_environment<boost::fusion::vector1<boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>, boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, bool, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> >’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/core/actor.hpp:56: instantiated from ‘boost::phoenix::eval_result<boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> >, boost::phoenix::basic_environment<boost::fusion::vector1<boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>, boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, bool, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> >’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/phoenix/core/actor.hpp:65: instantiated from ‘boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >::result<boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >(boost::fusion::vector1<boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>&>&, boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >&, bool&)>’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/support/action_dispatch.hpp:44: instantiated from ‘bool boost::spirit::traits::action_dispatch<Component>::operator()(const boost::phoenix::actor<Eval>&, Attribute&, Context&) [with Eval = boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> >, Attribute = boost::variant<MockExpressionNode, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>, Context = boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, Component = boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, MockExpressionNode(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::string(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::nil> > >]’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/qi/action/action.hpp:62: instantiated from ‘bool boost::spirit::qi::action<Subject, Action>::parse(Iterator&, const Iterator&, Context&, const Skipper&, Attribute&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, Context = boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, Attribute = const boost::fusion::unused_type, Subject = boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, MockExpressionNode(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::string(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::nil> > >, Action = boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > >]’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp:33: instantiated from ‘bool boost::spirit::qi::detail::parser_binder<Parser, Auto>::call(Iterator&, const Iterator&, Context&, const Skipper&, mpl_::true_) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, Context = boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, Parser = boost::spirit::qi::action<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, MockExpressionNode(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::string(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::nil> > >, boost::phoenix::actor<boost::phoenix::composite<boost::phoenix::assign_eval, boost::fusion::vector<boost::spirit::attribute<0>, boost::spirit::argument<0>, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_> > > >, Auto = mpl_::bool_<false>]’ /home/mineq/third_party/boost_1_43_0/boost/spirit/home/qi/nonterminal/detail/parser_binder.hpp:53: instantiated from ‘bool boost::spirit::qi::detail::parser_binder<Parser, Auto>::operator()(Iterator&, const Iterator&, Context&, const Skipper&) const [with Iterator = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, Skipper = boost::spirit::qi::char_class<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, Context = boost::spirit::context<boost::fusion::cons<MockExpressionNode&, boost::fusion::nil>, boost::fusion::vector0<void> >, Parser = boost::spirit::qi::action<boost::spirit::qi::alternative<boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, MockExpressionNode(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::cons<boost::spirit::qi::reference<const boost::spirit::qi::rule<__gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::string(), boost::proto::exprns_::expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::spirit::tag::char_code<boost::spirit::tag::space, boost::spirit::char_encoding::ascii> >, 0l>, boost::fusion::unused_type, boost::fusion::unused_type> >, boost::fusion::nil> > >, ... ... more errors but i had to truncate to fit the 30k limit make[2]: *** [build/linux_amd64_devel/GNU-Linux-x86/tests_main.o] Error 1 make[2]: se sale del directorio `/home/mineq/NetBeansProjects/InputParserTests' make[1]: *** [.build-conf] Error 2 make[1]: se sale del directorio `/home/mineq/NetBeansProjects/InputParserTests' make: *** [.build-impl] Error 2 BUILD FAILED (exit value 2, total time: 2m 13s)

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  • Integrating WIF with WCF Data Services

    - by cibrax
    A time ago I discussed how a custom REST Starter kit interceptor could be used to parse a SAML token in the Http Authorization header and wrap that into a ClaimsPrincipal that the WCF services could use. The thing is that code was initially created for Geneva framework, so it got deprecated quickly. I recently needed that piece of code for one of projects where I am currently working on so I decided to update it for WIF. As this interceptor can be injected in any host for WCF REST services, also represents an excellent solution for integrating claim-based security into WCF Data Services (previously known as ADO.NET Data Services). The interceptor basically expects a SAML token in the Authorization header. If a token is found, it is parsed and a new ClaimsPrincipal is initialized and injected in the WCF authorization context. public class SamlAuthenticationInterceptor : RequestInterceptor {   SecurityTokenHandlerCollection handlers;   public SamlAuthenticationInterceptor()     : base(false)   {     this.handlers = FederatedAuthentication.ServiceConfiguration.SecurityTokenHandlers;   }   public override void ProcessRequest(ref RequestContext requestContext)   {     SecurityToken token = ExtractCredentials(requestContext.RequestMessage);     if (token != null)     {       ClaimsIdentityCollection claims = handlers.ValidateToken(token);       var principal = new ClaimsPrincipal(claims);       InitializeSecurityContext(requestContext.RequestMessage, principal);     }     else     {       DenyAccess(ref requestContext);     }   }   private void DenyAccess(ref RequestContext requestContext)   {     Message reply = Message.CreateMessage(MessageVersion.None, null);     HttpResponseMessageProperty responseProperty = new HttpResponseMessageProperty() { StatusCode = HttpStatusCode.Unauthorized };     responseProperty.Headers.Add("WWW-Authenticate",           String.Format("Basic realm=\"{0}\"", ""));     reply.Properties[HttpResponseMessageProperty.Name] = responseProperty;     requestContext.Reply(reply);     requestContext = null;   }   private SecurityToken ExtractCredentials(Message requestMessage)   {     HttpRequestMessageProperty request = (HttpRequestMessageProperty)  requestMessage.Properties[HttpRequestMessageProperty.Name];     string authHeader = request.Headers["Authorization"];     if (authHeader != null && authHeader.Contains("<saml"))     {       XmlTextReader xmlReader = new XmlTextReader(new StringReader(authHeader));       var col = SecurityTokenHandlerCollection.CreateDefaultSecurityTokenHandlerCollection();       SecurityToken token = col.ReadToken(xmlReader);                                        return token;     }     return null;   }   private void InitializeSecurityContext(Message request, IPrincipal principal)   {     List<IAuthorizationPolicy> policies = new List<IAuthorizationPolicy>();     policies.Add(new PrincipalAuthorizationPolicy(principal));     ServiceSecurityContext securityContext = new ServiceSecurityContext(policies.AsReadOnly());     if (request.Properties.Security != null)     {       request.Properties.Security.ServiceSecurityContext = securityContext;     }     else     {       request.Properties.Security = new SecurityMessageProperty() { ServiceSecurityContext = securityContext };      }    }    class PrincipalAuthorizationPolicy : IAuthorizationPolicy    {      string id = Guid.NewGuid().ToString();      IPrincipal user;      public PrincipalAuthorizationPolicy(IPrincipal user)      {        this.user = user;      }      public ClaimSet Issuer      {        get { return ClaimSet.System; }      }      public string Id      {        get { return this.id; }      }      public bool Evaluate(EvaluationContext evaluationContext, ref object state)      {        evaluationContext.AddClaimSet(this, new DefaultClaimSet(System.IdentityModel.Claims.Claim.CreateNameClaim(user.Identity.Name)));        evaluationContext.Properties["Identities"] = new List<IIdentity>(new IIdentity[] { user.Identity });        evaluationContext.Properties["Principal"] = user;        return true;      }    } A WCF Data Service, as any other WCF Service, contains a service host where this interceptor can be injected. The following code illustrates how that can be done in the “svc” file. <%@ ServiceHost Language="C#" Debug="true" Service="ContactsDataService"                 Factory="AppServiceHostFactory" %> using System; using System.ServiceModel; using System.ServiceModel.Activation; using Microsoft.ServiceModel.Web; class AppServiceHostFactory : ServiceHostFactory {    protected override ServiceHost CreateServiceHost(Type serviceType, Uri[] baseAddresses)   {     WebServiceHost2 result = new WebServiceHost2(serviceType, true, baseAddresses);     result.Interceptors.Add(new SamlAuthenticationInterceptor());                 return result;   } } WCF Data Services includes an specific WCF host of out the box (DataServiceHost). However, the service is not affected at all if you replace it with a custom one as I am doing in the code above (WebServiceHost2 is part of the REST Starter kit). Finally, the client application needs to pass the SAML token somehow to the data service. In case you are using any Http client library for consuming the data service, that’s easy to do, you only need to include the SAML token as part of the “Authorization” header. If you are using the auto-generated data service proxy, a little piece of code is needed to inject a SAML token into the DataServiceContext instance. That class provides an event “SendingRequest” that any client application can leverage to include custom code that modified the Http request before it is sent to the service. So, you can easily create an extension method for the DataServiceContext that negotiates the SAML token with an existing STS, and adds that token as part of the “Authorization” header. public static class DataServiceContextExtensions {        public static void ConfigureFederatedCredentials(this DataServiceContext context, string baseStsAddress, string realm)   {     string address = string.Format(STSAddressFormat, baseStsAddress, realm);                  string token = NegotiateSecurityToken(address);     context.SendingRequest += (source, args) =>     {       args.RequestHeaders.Add("Authorization", token);     };   } private string NegotiateSecurityToken(string address) { } } I left the NegociateSecurityToken method empty for this extension as it depends pretty much on how you are negotiating tokens from an existing STS. In case you want to end-to-end REST solution that involves an Http endpoint for the STS, you should definitely take a look at the Thinktecture starter STS project in codeplex.

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  • ASP.NET MVC ‘Extendable-hooks’ – ControllerActionInvoker class

    - by nmarun
    There’s a class ControllerActionInvoker in ASP.NET MVC. This can be used as one of an hook-points to allow customization of your application. Watching Brad Wilsons’ Advanced MP3 from MVC Conf inspired me to write about this class. What MSDN says: “Represents a class that is responsible for invoking the action methods of a controller.” Well if MSDN says it, I think I can instill a fair amount of confidence into what the class does. But just to get to the details, I also looked into the source code for MVC. Seems like the base class Controller is where an IActionInvoker is initialized: 1: protected virtual IActionInvoker CreateActionInvoker() { 2: return new ControllerActionInvoker(); 3: } In the ControllerActionInvoker (the O-O-B behavior), there are different ‘versions’ of InvokeActionMethod() method that actually call the action method in question and return an instance of type ActionResult. 1: protected virtual ActionResult InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary<string, object> parameters) { 2: object returnValue = actionDescriptor.Execute(controllerContext, parameters); 3: ActionResult result = CreateActionResult(controllerContext, actionDescriptor, returnValue); 4: return result; 5: } I guess that’s enough on the ‘behind-the-screens’ of this class. Let’s see how we can use this class to hook-up extensions. Say I have a requirement that the user should be able to get different renderings of the same output, like html, xml, json, csv and so on. The user will type-in the output format in the url and should the get result accordingly. For example: http://site.com/RenderAs/ – renders the default way (the razor view) http://site.com/RenderAs/xml http://site.com/RenderAs/csv … and so on where RenderAs is my controller. There are many ways of doing this and I’m using a custom ControllerActionInvoker class (even though this might not be the best way to accomplish this). For this, my one and only route in the Global.asax.cs is: 1: routes.MapRoute("RenderAsRoute", "RenderAs/{outputType}", 2: new {controller = "RenderAs", action = "Index", outputType = ""}); Here the controller name is ‘RenderAsController’ and the action that’ll get called (always) is the Index action. The outputType parameter will map to the type of output requested by the user (xml, csv…). I intend to display a list of food items for this example. 1: public class Item 2: { 3: public int Id { get; set; } 4: public string Name { get; set; } 5: public Cuisine Cuisine { get; set; } 6: } 7:  8: public class Cuisine 9: { 10: public int CuisineId { get; set; } 11: public string Name { get; set; } 12: } Coming to my ‘RenderAsController’ class. I generate an IList<Item> to represent my model. 1: private static IList<Item> GetItems() 2: { 3: Cuisine cuisine = new Cuisine { CuisineId = 1, Name = "Italian" }; 4: Item item = new Item { Id = 1, Name = "Lasagna", Cuisine = cuisine }; 5: IList<Item> items = new List<Item> { item }; 6: item = new Item {Id = 2, Name = "Pasta", Cuisine = cuisine}; 7: items.Add(item); 8: //... 9: return items; 10: } My action method looks like 1: public IList<Item> Index(string outputType) 2: { 3: return GetItems(); 4: } There are two things that stand out in this action method. The first and the most obvious one being that the return type is not of type ActionResult (or one of its derivatives). Instead I’m passing the type of the model itself (IList<Item> in this case). We’ll convert this to some type of an ActionResult in our custom controller action invoker class later. The second thing (a little subtle) is that I’m not doing anything with the outputType value that is passed on to this action method. This value will be in the RouteData dictionary and we’ll use this in our custom invoker class as well. It’s time to hook up our invoker class. First, I’ll override the Initialize() method of my RenderAsController class. 1: protected override void Initialize(RequestContext requestContext) 2: { 3: base.Initialize(requestContext); 4: string outputType = string.Empty; 5:  6: // read the outputType from the RouteData dictionary 7: if (requestContext.RouteData.Values["outputType"] != null) 8: { 9: outputType = requestContext.RouteData.Values["outputType"].ToString(); 10: } 11:  12: // my custom invoker class 13: ActionInvoker = new ContentRendererActionInvoker(outputType); 14: } Coming to the main part of the discussion – the ContentRendererActionInvoker class: 1: public class ContentRendererActionInvoker : ControllerActionInvoker 2: { 3: private readonly string _outputType; 4:  5: public ContentRendererActionInvoker(string outputType) 6: { 7: _outputType = outputType.ToLower(); 8: } 9: //... 10: } So the outputType value that was read from the RouteData, which was passed in from the url, is being set here in  a private field. Moving to the crux of this article, I now override the CreateActionResult method. 1: protected override ActionResult CreateActionResult(ControllerContext controllerContext, ActionDescriptor actionDescriptor, object actionReturnValue) 2: { 3: if (actionReturnValue == null) 4: return new EmptyResult(); 5:  6: ActionResult result = actionReturnValue as ActionResult; 7: if (result != null) 8: return result; 9:  10: // This is where the magic happens 11: // Depending on the value in the _outputType field, 12: // return an appropriate ActionResult 13: switch (_outputType) 14: { 15: case "json": 16: { 17: JavaScriptSerializer serializer = new JavaScriptSerializer(); 18: string json = serializer.Serialize(actionReturnValue); 19: return new ContentResult { Content = json, ContentType = "application/json" }; 20: } 21: case "xml": 22: { 23: XmlSerializer serializer = new XmlSerializer(actionReturnValue.GetType()); 24: using (StringWriter writer = new StringWriter()) 25: { 26: serializer.Serialize(writer, actionReturnValue); 27: return new ContentResult { Content = writer.ToString(), ContentType = "text/xml" }; 28: } 29: } 30: case "csv": 31: controllerContext.HttpContext.Response.AddHeader("Content-Disposition", "attachment; filename=items.csv"); 32: return new ContentResult 33: { 34: Content = ToCsv(actionReturnValue as IList<Item>), 35: ContentType = "application/ms-excel" 36: }; 37: case "pdf": 38: string filePath = controllerContext.HttpContext.Server.MapPath("~/items.pdf"); 39: controllerContext.HttpContext.Response.AddHeader("content-disposition", 40: "attachment; filename=items.pdf"); 41: ToPdf(actionReturnValue as IList<Item>, filePath); 42: return new FileContentResult(StreamFile(filePath), "application/pdf"); 43:  44: default: 45: controllerContext.Controller.ViewData.Model = actionReturnValue; 46: return new ViewResult 47: { 48: TempData = controllerContext.Controller.TempData, 49: ViewData = controllerContext.Controller.ViewData 50: }; 51: } 52: } A big method there! The hook I was talking about kinda above actually is here. This is where different kinds / formats of output get returned based on the output type requested in the url. When the _outputType is not set (string.Empty as set in the Global.asax.cs file), the razor view gets rendered (lines 45-50). This is the default behavior in most MVC applications where-in a view (webform/razor) gets rendered on the browser. As you see here, this gets returned as a ViewResult. But then, for an outputType of json/xml/csv, a ContentResult gets returned, while for pdf, a FileContentResult is returned. Here are how the different kinds of output look like: This is how we can leverage this feature of ASP.NET MVC to developer a better application. I’ve used the iTextSharp library to convert to a pdf format. Mike gives quite a bit of detail regarding this library here. You can download the sample code here. (You’ll get an option to download once you open the link). Verdict: Hot chocolate: $3; Reebok shoes: $50; Your first car: $3000; Being able to extend a web application: Priceless.

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  • FOSUserBundle override mapping to remove need for username

    - by musoNic80
    I want to remove the need for a username in the FOSUserBundle. My users will login using an email address only and I've added real name fields as part of the user entity. I realised that I needed to redo the entire mapping as described here. I think I've done it correctly but when I try to submit the registration form I get the error: "Only field names mapped by Doctrine can be validated for uniqueness." The strange thing is that I haven't tried to assert a unique constraint to anything in the user entity. Here is my full user entity file: <?php // src/MyApp/UserBundle/Entity/User.php namespace MyApp\UserBundle\Entity; use FOS\UserBundle\Model\User as BaseUser; use Doctrine\ORM\Mapping as ORM; use Symfony\Component\Validator\Constraints as Assert; /** * @ORM\Entity * @ORM\Table(name="depbook_user") */ class User extends BaseUser { /** * @ORM\Id * @ORM\Column(type="integer") * @ORM\GeneratedValue(strategy="AUTO") */ protected $id; /** * @ORM\Column(type="string", length=255) * * @Assert\NotBlank(message="Please enter your first name.", groups={"Registration", "Profile"}) * @Assert\MaxLength(limit="255", message="The name is too long.", groups={"Registration", "Profile"}) */ protected $firstName; /** * @ORM\Column(type="string", length=255) * * @Assert\NotBlank(message="Please enter your last name.", groups={"Registration", "Profile"}) * @Assert\MaxLength(limit="255", message="The name is too long.", groups={"Registration", "Profile"}) */ protected $lastName; /** * @ORM\Column(type="string", length=255) * * @Assert\NotBlank(message="Please enter your email address.", groups={"Registration", "Profile"}) * @Assert\MaxLength(limit="255", message="The name is too long.", groups={"Registration", "Profile"}) * @Assert\Email(groups={"Registration"}) */ protected $email; /** * @ORM\Column(type="string", length=255, name="email_canonical", unique=true) */ protected $emailCanonical; /** * @ORM\Column(type="boolean") */ protected $enabled; /** * @ORM\Column(type="string") */ protected $salt; /** * @ORM\Column(type="string") */ protected $password; /** * @ORM\Column(type="datetime", nullable=true, name="last_login") */ protected $lastLogin; /** * @ORM\Column(type="boolean") */ protected $locked; /** * @ORM\Column(type="boolean") */ protected $expired; /** * @ORM\Column(type="datetime", nullable=true, name="expires_at") */ protected $expiresAt; /** * @ORM\Column(type="string", nullable=true, name="confirmation_token") */ protected $confirmationToken; /** * @ORM\Column(type="datetime", nullable=true, name="password_requested_at") */ protected $passwordRequestedAt; /** * @ORM\Column(type="array") */ protected $roles; /** * @ORM\Column(type="boolean", name="credentials_expired") */ protected $credentialsExpired; /** * @ORM\Column(type="datetime", nullable=true, name="credentials_expired_at") */ protected $credentialsExpiredAt; public function __construct() { parent::__construct(); // your own logic } /** * @return string */ public function getFirstName() { return $this->firstName; } /** * @return string */ public function getLastName() { return $this->lastName; } /** * Sets the first name. * * @param string $firstname * * @return User */ public function setFirstName($firstname) { $this->firstName = $firstname; return $this; } /** * Sets the last name. * * @param string $lastname * * @return User */ public function setLastName($lastname) { $this->lastName = $lastname; return $this; } } I've seen various suggestions about this but none of the suggestions seem to work for me. The FOSUserBundle docs are very sparse about what must be a very common request.

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  • C# Dynamically created LinkButton Command Event Handler

    - by spdevsolutions
    So I have a weird situation here... I have an System.Web.UI.WebControls.WebParts.EditorPart class. It renders a "Search" button, when you click this button, it's clickHandler method does a DB search, and dynamically creates a LinkButton for each row it returns, sets the CommandName and CommandArgument properties and adds a CommandEventHandler method, then adds the LinkButton control to the page. The problem is, when you click a LinkButton, its CommandEventHandler method is never called, it looks like the page just posts back to where it was before the ORIGINAL "Search" button was pressed. I have seen postings saying that you need to add the event handlers in OnLoad() or some other early method, but my LinkButtons haven't even been created until the user tells us what to search for and hits the "Search" button... Any ideas on how to deal with this? Thanks!

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  • Validation Summary for Lists using Data Annotations with MVC

    - by David Liddle
    I currently use a custom method to display validation error messages for lists but would like to replace this system for using with Data Annotations. In summary on validation of my form, I want to display "*" next to each input that is incorrect and also provide a Validation Summary at the bottom that relates each error message to the particular item in the list. e.g. say if validation failed on the 2nd list item on a Name input box and the 4th item on an Address input box the validation summary would display [2] Name is invalid [4] Address is invalid Please ignore if there are mistakes in the code below. I'm just writing this as an example. The code below shows how I was able to do it using my custom version of adding model errors but was wondering how to do this using Data Annotations? //Domain Object public class MyObject { public int ID { get; set; } public string Name { get; set; } public string Address { get; set; } public bool IsValid { get { return (GetRuleViolations().Count() == 0); } } public void IEnumerable<RuleViolation> GetRuleViolations() { if (String.IsNullOrEmpty(Name)) yield return new RuleViolation(ID, "Name", "Name is invalid"); if (String.IsNullOrEmpty(Address)) yield return new RuleViolation(ID, "Address", "Address is invalid"); yield break; } } //Rule Violation public class RuleViolation { public int ID { get; private set; } public string PropertyName { get; private set; } public string ErrorMessage { get; private set; } } //View <% for (int i = 0; i < 5; i++) { %> <p> <%= Html.Hidden("myObjects[" + i + "].ID", i) %> Name: <%= Html.TextBox("myObjects[" + i + "].Name") %> <br /> <%= Html.ValidationMessage("myObjects[" + i + "].Name", "*")<br /> Address: <%= Html.TextBox("myObjects[" + i + "].Address") %> <%= Html.ValidationMessage("myObjects[" + i + "].Address", "*")<br /> </p> <% } %> <p><%= Html.ValidationSummary() %> //Controller public ActionResult MyAction(IList<MyObject> myObjects) { foreach (MyObject o in myObjects) { if (!o.IsValid) ModelState.AddModelErrors(o.GetRuleViolations(), o.GetType().Name); } if (!Model.IsValid) { return View(); } } public static class ModelStateExtensions { public static void AddModelError(this ModelStateDictionary modelState, RuleViolation issue, string name) { string key = String.Format("{0}[{1}].{2}", name, issue.ID, issue.PropertyName); string error = String.Format("[{0}] {1}", (issue.ID + 1), issue.ErrorMessage); //above line determines the [ID] ErrorMessage to be //displayed in the Validation Summary modelState.AddModelError(key, error); }

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  • Encoded nsstring becomes invalid, "normal" nsstring remains

    - by shoreline
    I'm running into a problem with a string that contains encoded characters. Specifically, if the string has encoded characters it eventually becomes invalid while a "normal" string will not. in the .h file: @interface DirViewController : TTThumbsViewController <UIActionSheetDelegate,UINavigationControllerDelegate,UIImagePickerControllerDelegate> { NSString *sourceFolder; NSString *encodedSourceFolder; } @property (nonatomic, retain) NSString *sourceFolder; @property (nonatomic, retain) NSString *encodedSourceFolder; in the .m file: - (id)initWithFolder:(NSString*)folder query:(NSDictionary*)query { if (self = [super init]) { sourceFolder = folder; } return self; } Up to now everything seems to run as expected. In viewDidLoad I have the following: sourceFolderCopy = [self urlEncodeValue:(sourceFolder)]; //I also have this button, which I'll refer to later: UIBarButtonItem *importButton = [[UIBarButtonItem alloc] initWithTitle:@"Import/Export" style:UIBarButtonItemStyleBordered target:self action:@selector(importFiles:)]; self.navigationItem.rightBarButtonItem = importButton; Which uses the following method to encode the string (if it has characters I want encoded): - (NSString *)urlEncodeValue:(NSString *)str { NSString *result = (NSString *) CFURLCreateStringByAddingPercentEscapes (kCFAllocatorDefault, (CFStringRef)str, NULL, CFSTR(":/?#[]@!$&’()*+,;="), kCFStringEncodingUTF8); return [result autorelease]; } If I NSLog result, I get the expected values. If the string has characters like a white space, I get a string with encoding. If the string doesn't have any characters that need to be encoded, it just gives me the original string. I have a button on the nav bar which begins an image import process by opening an action sheet. Once the method for the action sheet starts, my string is invalid - but only if it contains encoded characters. If it is just a "normal" string, everything is fine and acts as expected. Am I off on my encoding? At first I thought it might be a memory problem but I can't figure out why that would affect only encoded strings. Here's where the action sheet is defined (and the first place I can see the encoded string becoming invalid) the NSLog statements are where it crashes: - (IBAction)importFiles:(id)sender { NSLog(@"logging encodedSF from import files:"); NSLog(@"%@",encodedSourceFolder);//crashes right here NSLog(@"%@",sourceFolder); if (shouldNavigate == NO) { NSString *msg = nil; msg = @"It is not possible to import or export images while in image selection mode."; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Unable to Import/Export" message:msg delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert show]; [alert release]; [msg release]; } else{ UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"What would you like to do?" delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:@"Import Photos (Picker)", @"Export Photos", nil, nil]; [actionSheet showInView:self.view]; [actionSheet release]; } } I don't get any crash errors going to the console. By using breakpoints I was able to see that the encodedSourceFolder is invalid in the action sheet method.

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  • Help Protect Your Children with the CEOP Enhanced Internet Explorer 8

    - by Asian Angel
    Do you want to make Internet Explorer safer and more helpful for you and family? Then join us as we look at the CEOP (Child Exploitation and Online Protection Centre) enhanced version of Internet Explorer 8. Setting CEOP Up We chose to install the whole CEOP pack in order to have access to complete set of CEOP Tools. The install process will be comprised of two parts…it will begin with CEOP branded windows showing the components being installed… Note: The components can be downloaded separately for those who only want certain CEOP components added to their browser. Then it will move to the traditional Microsoft Internet Explorer 8 install windows. One thing that we did notice is that here you will be told that you will need to restart your computer but in other windows a log off/log on process is mentioned. Just to make certain that everything goes smoothly we recommend restarting your computer when the installation process is complete. In the EULA section you can see the versions of Windows that the CEOP Pack works with. Once you get past the traditional Microsoft install windows you will be dropped back into the CEOP branded windows. CEOP in Action After you have restarted your computer and opened Internet Explorer you will notice that your homepage has been changed. When it comes to your children that is not a bad thing in this instance. It will also give you an opportunity to look through the CEOP online resources. For the moment you may be wondering where everything is but do not worry. First you can find the two new search providers in the drop-down menu for your “Search Bar” and select a new default if desired. The second thing to look for are the new links that have been added to your “Favorites Menu”. These links can definitely be helpful for you and your family. The third part will require your “Favorites Bar” to be visible in order to see the “Click CEOP Button”. If you have not previously done so you will need to turn on subscribing for “Web Slices”. Click on “Yes” to finish the subscription process. Clicking on the “CEOP Button” again will show all kinds of new links to help provide information for you and your children. Notice that the top part is broken down into “topic categories” while the bottom part is set up for “age brackets”…very nice for helping you focus on the information that you want and/or need. Looking for information and help on a particular topic? Clicking on the “Cyberbullying Link” for example will open the following webpage with information about cyberbullying and a link to get help with the problem. Need something that is focused on your child’s age group? Clicking on the “8-10? Link” as an example opened this page. Want information that is focused on you? The “Parent? Link” leads to this page. The “topic categories & age brackets” make the CEOP Button a very helpful and “family friendly” addition to Internet Explorer. Perhaps you (or your child) want to conduct a search for something that is affecting your child. As you type in a “search term” both of the search providers will provide helpful suggestions for dealing with the problem. We felt that these were very nice suggestions in both instances here… Conclusion We have been able to give you a good peek at what the CEOP Tools can do but the best way to see how helpful it can be for you and your family is try it for yourself. Your children’s safety and happiness is worth it. Links Download the Internet Explorer CEOP Pack (link at bottom of webpage) Note: If you are interested in a singular component or only some use these links. Download the Click CEOP Button Download Search CEOP Download Internet Safety and Security Search Similar Articles Productive Geek Tips Mysticgeek Blog: A Look at Internet Explorer 8 Beta 1 on Windows XPWhen to Use Protect Tab vs Lock Tab in FirefoxMake Ctrl+Tab in Internet Explorer 7 Use Most Recent OrderRemove ISP Text or Corporate Branding from Internet Explorer Title BarQuick Hits: 11 Firefox Tab How-Tos TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Download Microsoft Office Help tab The Growth of Citibank Quickly Switch between Tabs in IE Windows Media Player 12: Tweak Video & Sound with Playback Enhancements Own a cell phone, or does a cell phone own you? Make your Joomla & Drupal Sites Mobile with OSMOBI

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