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• dasBlog

  - by Daniel Moth

  Some people like blogging on a site that is completely managed by someone else (e.g. http://wordpress.com/) and others, like me, prefer hosting their own blog at their own domain. In the latter case you need to decide what blog engine to install on your web space to power your blog. There are many free blog engines to choose from (e.g. the one from http://wordpress.org/). If, like me, you want to use a blog engine that is based on the .NET platform you have many choices including BlogEngine.NET, Subtext and the one I picked: dasBlog. In this post I'll describe the steps I took to get going with the open source dasBlog (home page, source page). A. Installing First I installed dasBlog on my local Windows 7 machine where I have IIS7 installed. To install dasBlog, I started by clicking the "Install" button on its web gallery page. After that I went through configuration, theming and adding content as described below. Once I was happy that everything was working correctly on the local machine, I set this up on a hosting service. I went for a Windows IIS7 shared hosting 3 month Economy plan from GoDaddy. The dasBlog site lists a bunch of other hosts. You can read the installation instructions for dasBlog, and with GoDaddy I just had to click one button since it is available as part of their quick-install apps. With GoDaddy I had a previewdns option that allowed me to play around and preview my site before going live. B. Configuring After it was installed (on local machine and/or hosting provider), I followed the obvious steps to create an admin user and logged in. This displays an admin navigation bar with the following options: 1. Navigator Links: I decided I was not going to use this feature. I manage links on the side of my blog manually elsewhere as part of the theme. So, I deleted every entry on this page and ignored it thereafter. 2. Blogroll: Ditto - same comment as for Navigator Links. 3. Content Filters: I did not delete (or add) these, but I did ensure both checkboxes are not checked. I.e. I am not using this feature now, but I may return to it in the future. 4. Activity: This is a read-only view of various statistics. So nothing to configure here, but useful to come back to for complementary statistics to whatever other statistical package you use (e.g. free stats as part of the hosting and I also use feedburner for syndication stats). 5. Cross-posting: I did not need that, so I turned it off via the Configuration Settings discussed next. 6. Configuration Settings: This is where the bulk of the configuration for the blog takes place and they are stored in a single XML file: Site.Config file. There are truly self-explanatory options to pick for Basic Settings, Services Settings and Services to Ping, Syndication Settings (this is where you link to your feedburner name if you have one) and Mail to Weblog Settings (I keep this turned off). There are also "Xml Storage System Settings" (I keep this turned off), "OpenId Settings" (I allow OpenID commenters), "Spammer Settings" (Enable captcha, never show email addresses) and "Comment settings" (Enable comments, don't allow on older posts, don't allow html). There are also Appearance Settings (I checked the "Use Post Title for Permalink", replaced spaces with hyphen and unchecked the "Use Unique Title"). Finally, there are also Notification Settings, but they are a bit of hit and miss in my case, in that I don’t always get the emails (still investigating this). C. Adding Content You can add content via the "Add Entry" link on the admin navigation bar or by configuring the "Mail to Weblog" settings and sending email or, do what I've started doing, use Live Writer (also the team has a blog). Another way to add content is programmatically if, for example, you are migrating content from another blog (and I'll cover that in separate post sharing the code). What you should know is that all blog content (posts and comments) live in XML files in a folder called "content" under your dasBlog installation. D. Theming There is a very good guide about themes for dasBlog, there is also a similar guide with screenshots (scroll down to "So how do I create a theme") and the dasBlog macro reference. When you install dasBlog, there are many themes available; each theme is in its own folder (representing the folder name) under the themes folder. You may have noticed that you can switch between these via the "Appearance Settings" described above (look for the combobox after the Default Theme label). I created my own theme by copy-pasting an existing theme folder, renaming it and then switching to it as the default. I then opened the folder in Visual Studio and hacked around the HTML in the 3 files (itemTemplate, homeTemplate and dayTemplate). These files have a blogtemplate file extension, which I temporarily renamed to HTML as I was editing them. There is no more advice I can offer here as this is a matter of taste and the aforementioned links is all I used. Personally, I had salvaged the CSS (and structure) from my previous blog and wanted to make this one match it as closely as possible - I think I have succeeded. E. If you run into any issue with dasBlog... ...use your favorite search engine to find answers. Many bloggers have been using this engine for a while and have documented issues and workarounds over time. One such example is ScottHa's dasBlog category; another example is therightstuff where I "borrowed" the idea/macro for the outlook-style on-page navigation. If you don't find what you want through searching, try posting a question to the forums. Comments about this post welcome at the original blog.

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• Creating and maintaining Orchard translations

  - by Bertrand Le Roy

  Many volunteers have already stepped up to provide translations for Orchard. There are many challenges to overcome with translating such a project. Orchard is a very modular CMS, so the translation mechanism needs to account for the core as well as first and third party modules and themes. Another issue is that every new version of Orchard or of a module changes some localizable strings and adds new ones as others enter obsolescence. In order to address those problems, I've built a small Orchard module that automates some of the most complex tasks that maintaining a translation implies. In this post, I'll walk you through the operations I had to do to update the French translation for Orchard 1.0. In order to make sure you translate all the first party modules, I would recommend that you start from a full source code enlistment. The reason is that I'll show how you can extract the default en-US translation from any source code enlistment. That enables you to create a translation that is even more up-to-date than what is currently on the site. Alternatively, you could start by downloading the current en-US translation. If you decide to do so, just skip the relevant paragraphs. First, let's install the Orchard Translation Manager. I'm starting from a vanilla clone of the latest in the code repository. After you've setup the site, go into the dashboard and click on Gallery. Locate the Orchard Translation Manager in the list of modules and click "Install". Once the module is installed, you need to enable its one feature by going into Configuration/Features and clicking "Enable" next to Vandelay.TranslationManager. We're done with the setup that we need in order to start our translation work. We'll now switch to the command-line and to our favorite text editor. Open a command-line on the Orchard web site folder. I found the easiest way to do this is to do a SHIFT+right-click on the Orchard.Web folder in Windows Explorer and to click "Open command window here". Type bin\orchard to enter the Orchard command-line environment. If you do a "help commands" you should see four commands in the list that came from the module we just installed: extract default translation, install translation, package translation and sync translation. First, we're going to generate the default translation. Note that it is possible to generate that default translation for a specific list of modules and themes by using the /Extensions: switch, which should facilitate the translation of third party extensions, but in this tutorial we're going to generate it for the whole of the Orchard source code. extract default translation /Output:\temp .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; } This should have created an Orchard.en-us.po.zip file in the temp directory. Extract that archive into an orchard.po folder under \temp. The next step depends on whether you have an existing translation that you want to update or not. If you do have an existing translation, just extract it into the same \temp\orchard.po directory. That should result in a file structure where you have the default en-US translation alongside your own. If you don't have an existing translation, just continue, the commands will be the same. We are now going to synchronize those translations (or generate the stub for a new one if you didn't start from an existing translation). sync translation /Input:\temp\orchard.po /Culture:fr-FR After this command (where you should of course substitute fr-FR with the culture you're working on), we now have updated files that contain a few useful flags. Open each of the .po files under the culture you are working on (there should be around 36) with your favorite text editor. For all the strings that are still valid in the latest version, nothing changes and you don't need to do anything. For all the strings that disappeared from the default culture, the old translation will still be there but they will be prefixed with the following comment: # Obsolete translation Conveniently, all the obsolete strings will be grouped at the end of the file. You can select all those and delete them. For all the new strings, you will see the following comment: # Untranslated string This is where the hard work begins. You'll need to translate each of those new strings by entering the translation between the quotes in: msgstr "" Don't introduce hard carriage returns in the strings, just stay on one line (your text editor should do some reasonable wrapping so this shouldn't be a big deal). Once you're done with a file, save it. Make sure, and this is very important, that your text editor is saving using the UTF-8 encoding. In Notepad, that setting can be found in the file saving dialog by doing a "Save As" rather than a plain "Save": When all the po files have been edited, you are ready to package the translation for submission (a.k.a. sending e-mail to the localization mailing list). package translation /Culture:fr-FR /Input:\temp\orchard.po /Output:\temp You should now see a Orchard.fr-FR.po.zip file in temp that is ready to be submitted. That is, once you've tested it, which can be done by deploying it into the site: install translation \temp\orchard.fr-fr.po.zip Once this is done you can go into the dashboard under Configuration/Settings and click on "Add or remove supported cultures for the site". Choose your culture and click "Add". You can go back to settings and set the default culture. Save. You may now take a tour of the application and verify that everything works as expected: And that's it really. Creating a translation for Orchard is a matter of a few hours. If you don't see a translation for your culture, please consider creating it.

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• TFS 2010 SDK: Smart Merge - Programmatically Create your own Merge Tool

  - by Tarun Arora

  Technorati Tags: Team Foundation Server 2010,TFS SDK,TFS API,TFS Merge Programmatically,TFS Work Items Programmatically,TFS Administration Console,ALM   The information available in the Merge window in Team Foundation Server 2010 is very important in the decision making during the merging process. However, at present the merge window shows very limited information, more that often you are interested to know the work item, files modified, code reviewer notes, policies overridden, etc associated with the change set. Our friends at Microsoft are working hard to change the game again with vNext, but because at present the merge window is a model window you have to cancel the merge process and go back one after the other to check the additional information you need. If you can relate to what i am saying, you will enjoy this blog post! I will show you how to programmatically create your own merging window using the TFS 2010 API. A few screen shots of the WPF TFS 2010 API – Custom Merging Application that we will be creating programmatically, Excited??? Let’s start coding… 1. Get All Team Project Collections for the TFS Server You can read more on connecting to TFS programmatically on my blog post => How to connect to TFS Programmatically 1: public static ReadOnlyCollection<CatalogNode> GetAllTeamProjectCollections() 2: { 3: TfsConfigurationServer configurationServer = 4: TfsConfigurationServerFactory. 5: GetConfigurationServer(new Uri("http://xxx:8080/tfs/")); 6: 7: CatalogNode catalogNode = configurationServer.CatalogNode; 8: return catalogNode.QueryChildren(new Guid[] 9: { CatalogResourceTypes.ProjectCollection }, 10: false, CatalogQueryOptions.None); 11: } 2. Get All Team Projects for the selected Team Project Collection You can read more on connecting to TFS programmatically on my blog post => How to connect to TFS Programmatically 1: public static ReadOnlyCollection<CatalogNode> GetTeamProjects(string instanceId) 2: { 3: ReadOnlyCollection<CatalogNode> teamProjects = null; 4: 5: TfsConfigurationServer configurationServer = 6: TfsConfigurationServerFactory.GetConfigurationServer(new Uri("http://xxx:8080/tfs/")); 7: 8: CatalogNode catalogNode = configurationServer.CatalogNode; 9: var teamProjectCollections = catalogNode.QueryChildren(new Guid[] {CatalogResourceTypes.ProjectCollection }, 10: false, CatalogQueryOptions.None); 11: 12: foreach (var teamProjectCollection in teamProjectCollections) 13: { 14: if (string.Compare(teamProjectCollection.Resource.Properties["InstanceId"], instanceId, true) == 0) 15: { 16: teamProjects = teamProjectCollection.QueryChildren(new Guid[] { CatalogResourceTypes.TeamProject }, false, 17: CatalogQueryOptions.None); 18: } 19: } 20: 21: return teamProjects; 22: } 3. Get All Branches with in a Team Project programmatically I will be passing the name of the Team Project for which i want to retrieve all the branches. When consuming the ‘Version Control Service’ you have the method QueryRootBranchObjects, you need to pass the recursion type => none, one, full. Full implies you are interested in all branches under that root branch. 1: public static List<BranchObject> GetParentBranch(string projectName) 2: { 3: var branches = new List<BranchObject>(); 4: 5: var tfs = TfsTeamProjectCollectionFactory.GetTeamProjectCollection(new Uri("http://<ServerName>:8080/tfs/<teamProjectName>")); 6: var versionControl = tfs.GetService<VersionControlServer>(); 7: 8: var allBranches = versionControl.QueryRootBranchObjects(RecursionType.Full); 9: 10: foreach (var branchObject in allBranches) 11: { 12: if (branchObject.Properties.RootItem.Item.ToUpper().Contains(projectName.ToUpper())) 13: { 14: branches.Add(branchObject); 15: } 16: } 17: 18: return branches; 19: } 4. Get All Branches associated to the Parent Branch Programmatically Now that we have the parent branch, it is important to retrieve all child branches of that parent branch. Lets see how we can achieve this using the TFS API. 1: public static List<ItemIdentifier> GetChildBranch(string parentBranch) 2: { 3: var branches = new List<ItemIdentifier>(); 4: 5: var tfs = TfsTeamProjectCollectionFactory.GetTeamProjectCollection(new Uri("http://<ServerName>:8080/tfs/<CollectionName>")); 6: var versionControl = tfs.GetService<VersionControlServer>(); 7: 8: var i = new ItemIdentifier(parentBranch); 9: var allBranches = 10: versionControl.QueryBranchObjects(i, RecursionType.None); 11: 12: foreach (var branchObject in allBranches) 13: { 14: foreach (var childBranche in branchObject.ChildBranches) 15: { 16: branches.Add(childBranche); 17: } 18: } 19: 20: return branches; 21: } 5. Get Merge candidates between two branches Programmatically Now that we have the parent and the child branch that we are interested to perform a merge between we will use the method ‘GetMergeCandidates’ in the namespace ‘Microsoft.TeamFoundation.VersionControl.Client’ => http://msdn.microsoft.com/en-us/library/bb138934(v=VS.100).aspx 1: public static MergeCandidate[] GetMergeCandidates(string fromBranch, string toBranch) 2: { 3: var tfs = TfsTeamProjectCollectionFactory.GetTeamProjectCollection(new Uri("http://<ServerName>:8080/tfs/<CollectionName>")); 4: var versionControl = tfs.GetService<VersionControlServer>(); 5: 6: return versionControl.GetMergeCandidates(fromBranch, toBranch, RecursionType.Full); 7: } 6. Get changeset details Programatically Now that we have the changeset id that we are interested in, we can get details of the changeset. The Changeset object contains the properties => http://msdn.microsoft.com/en-us/library/microsoft.teamfoundation.versioncontrol.client.changeset.aspx - Changes: Gets or sets an array of Change objects that comprise this changeset. - CheckinNote: Gets or sets the check-in note of the changeset. - Comment: Gets or sets the comment of the changeset. - PolicyOverride: Gets or sets the policy override information of this changeset. - WorkItems: Gets an array of work items that are associated with this changeset. 1: public static Changeset GetChangeSetDetails(int changeSetId) 2: { 3: var tfs = TfsTeamProjectCollectionFactory.GetTeamProjectCollection(new Uri("http://<ServerName>:8080/tfs/<CollectionName>")); 4: var versionControl = tfs.GetService<VersionControlServer>(); 5: 6: return versionControl.GetChangeset(changeSetId); 7: } 7. Possibilities In future posts i will try and extend this idea to explore further possibilities, but few features that i am sure will further help during the merge decision making process would be, - View changed files - Compare modified file with current/previous version - Merge Preview - Last Merge date Any other features that you can think of?

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• Database continuous integration step by step

  - by David Atkinson

  This post will describe how to set up basic database continuous integration using TeamCity to initiate the build process, SQL Source Control to put your database under source control, and the SQL Compare command line to keep a test database up to date. In my example I will be using Subversion as my source control repository. If you wish to follow my steps verbatim, please make sure you have TortoiseSVN, SQL Compare and SQL Source Control installed. Downloading and Installing TeamCity TeamCity (http://www.jetbrains.com/teamcity/index.html) is free for up to three agents, so it a great no-risk tool you can use to experiment with. 1. Download the latest version from the JetBrains website. For some reason the TeamCity executable didn't download properly for me, stalling frustratingly at 99%, so I tried again with the zip file download option (see screenshot below), which worked flawlessly. 2. Run the installer using the defaults. This results in a set-up with the server component and agent installed on the same machine, which is ideal for getting started with ease. 3. Check that the build agent is pointing to the server correctly. This has caught me out a few times before. This setting is in C:\TeamCity\buildAgent\conf\buildAgent.properties and for my installation is serverUrl=http\://localhost\:80 . If you need to change this value, if for example you've had to install the Server console to a different port number, the TeamCity Build Agent Service will need to be restarted for the change to take effect. 4. Open the TeamCity admin console on http://localhost , and specify your own designated username and password at first startup. Putting your database in source control using SQL Source Control 5. Assuming you've got SQL Source Control installed, select a development database in the SQL Server Management Studio Object Explorer and select Link Database to Source Control. 6. For the Link step you can either create your own empty folder in source control, or you can select Just Evaluating, which just creates a local subversion repository for you behind the scenes. 7. Once linked, note that your database turns green in the Object Explorer. Visit the Commit tab to do an initial commit of your database objects by typing in an appropriate comment and clicking Commit. 8. There is a hidden feature in SQL Source Control that opens up TortoiseSVN (provided it is installed) pointing to the linked repository. Keep Shift depressed and right click on the text to the right of 'Linked to', in the example below, it's the red Evaluation Repository text. Select Open TortoiseSVN Repo Browser. This screen should give you an idea of how SQL Source Control manages the object files behind the scenes. Back in the TeamCity admin console, we'll now create a new project to monitor the above repository location and to trigger a 'build' each time the repository changes. 9. In TeamCity Adminstration, select Create Project and give it a name, such as "My first database CI", and click Create. 10. Click on Create Build Configuration, and name it something like "Integration build". 11. Click VCS settings and then Create And Attach new VCS root. This is where you will tell TeamCity about the repository it should monitor. 12. In my case since I'm using the Just Evaluating option in SQL Source Control, I should select Subversion. 13. In the URL field paste your repository location. In my case this is file:///C:/Users/David.Atkinson/AppData/Local/Red Gate/SQL Source Control 3/EvaluationRepositories/WidgetDevelopment/WidgetDevelopment 14. Click on Test Connection to ensure that you can communicate with your source control system. Click Save. 15. Click Add Build Step, and Runner Type: Command Line. Should you be familiar with the other runner types, such as NAnt, MSBuild or Powershell, you can opt for these, but for the same of keeping it simple I will pick the simplest option. 16. If you have installed SQL Compare in the default location, set the Command Executable field to: C:\Program Files (x86)\Red Gate\SQL Compare 10\sqlcompare.exe 17. Flip back to SSMS briefly and add a new database to your server. This will be the database used for continuous integration testing. 18. Set the command parameters according to your server and the name of the database you have created. In my case I created database RedGateCI on server .\sql2008r2 /scripts1:. /server2:.\sql2008r2 /db2:RedGateCI /sync /verbose Note that if you pick a server instance that isn't on your local machine, you'll need the TCP/IP protocol enabled in SQL Server Configuration Manager otherwise the SQL Compare command line will not be able to connect. 19. Save and select Build Triggering / Add New Trigger / VCS Trigger. This is where you tell TeamCity when it should initiate a build. Click Save. 20. Now return to SQL Server Management Studio and make a schema change (eg add a new object) to your linked development database. A blue indicator will appear in the Object Explorer. Commit this change, typing in an appropriate check-in comment. All being good, within 60 seconds (a TeamCity default that can be changed) a build will be triggered. 21. Click on Projects in TeamCity to get back to the overview screen: The build log will show you the console output, which is useful for troubleshooting any issues: That's it! You now have continuous integration on your database. In future posts I'll cover how you can generate and test the database creation script, the database upgrade script, and run database unit tests as part of your continuous integration script. If you have any trouble getting this up and running please let me know, either by commenting on this post, or email me directly using the email address below. Technorati Tags: SQL Server

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• Learning content for MCSDs: Web Applications and Windows Store Apps using HTML5

  Recently, I started again to learn for various Microsoft certifications. First candidate on my way to MSCD: Web Applications is the Exam 70-480: Programming in HTML5 with JavaScript and CSS3. Motivation to go for a Microsoft exam I guess, this is quite personal but let me briefly describe my intentions to go that exam. First, I'm doing web development since the 1990's. Working with HTML, CSS and Javascript is happening almost daily in my workspace. And honestly, I do not only do 'pure' web development but already integrated several HTML/CSS/Javascript frontend UIs into an existing desktop application (written in Visual FoxPro) inclusive two-way communication and data exchange. Hm, might be an interesting topic for another blog article here... Second, this exam has a very interesting aspect which is listed at the bottom of the exam's details: Credit Toward Certification When you pass Exam 70-480: Programming in HTML5 with JavaScript and CSS3, you complete the requirements for the following certification(s): Programming in HTML5 with JavaScript and CSS3 Specialist Exam 70-480: Programming in HTML5 with JavaScript and CSS3: counts as credit toward the following certification(s): MCSD: Web Applications MCSD: Windows Store Apps using HTML5 So, passing one single exam will earn you specialist certification straight-forward, and opens the path to higher levels of certifications. Preparations and learning path Well, due to a newsletter from Microsoft Learning (MSL) I caught interest in picking up the circumstances and learning materials for this particular exam. As of writing this article there is a promotional / voucher code available which enables you to register for this exam for free! Simply register yourself with or log into your existing account at Prometric, choose the exam for a testing facility near to you and enter the voucher code HTMLJMP (available through 31.03.2013 or while supplies last). Hurry up, there are restrictions... As stated above, I'm already very familiar with web development and the programming flavours involved into this. But of course, it is always good to freshen up your knowledge and reflect on yourself. Microsoft is putting a lot of effort to attract any kind of developers into the 'App Development'. Whether it is for the Windows 8 Store or the Windows Phone 8 Store, doesn't really matter. They simply need more apps. This demand for skilled developers also comes with a nice side-effect: Lots and lots of material to study. During the first couple of hours, I could easily gather high quality preparation material - again for free! Following is just a small list of starting points. If you have more resources, please drop me a message in the comment section, and I'll be glad to update this article accordingly. Developing HTML5 Apps Jump Start This is an accelerated jump start video course on development of HTML5 Apps for Windows 8. There are six modules that are split into two video sessions per module. Very informative and intense course material. This is packed stuff taken from an official preparation course for exam 70-480. Developing Windows Store Apps with HTML5 Jump Start Again, an accelerated preparation video course on Windows 8 Apps. There are six modules with two video sessions each which will catapult you to your exam. This is also related to preps for exam 70-481. Programming Windows 8 Apps with HTML, CSS, and JavaScript Kraig Brockschmidt delves into the ups and downs of Windows 8 App development over 800+ pages. Great eBook to read, study, and to practice the samples - best of all, it's for free. codeSHOW() This is a Windows 8 HTML/JS project with the express goal of demonstrating simple development concepts for the Windows 8 platform. Code, code and more code... absolutely great stuff to study and practice. Microsoft Virtual Academy I already wrote about the MVA in a previous article. Well, if you haven't registered yourself yet, now is the time. The list is not complete for sure, but this might keep you busy for at least one or even two weeks to go through the material. Please don't hesitate to add more resources in the comment section. Right now, I'm already through all videos once, and digging my way through chapter 4 of Kraig's book. Additional material - Pluralsight Apart from those free online resources, I also following some courses from the excellent library of Pluralsight. They already have their own section for Windows 8 development, but of course, you get companion material about HTML5, CSS and Javascript in other sections, too. Introduction to Building Windows 8 Applications Building Windows 8 Applications with JavaScript and HTML Selling Windows 8 Apps HTML5 Fundamentals Using HTML5 and CSS3 HTML5 Advanced Topics CSS3 etc... Interesting to see that Michael Palermo provides his course material on multiple platforms. Fantastic! You might also pay a visit to his personal blog. Hm, it just came to my mind that Aaron Skonnard of Pluralsight publishes so-called '24 hours Learning Paths' based on courses available in the course library. Would be interested to see a combination for Windows 8 App development using HTML5, CSS3 and Javascript in the future. Recommended workspace environment Well, you might have guessed it but this requires Windows 8, Visual Studio 2012 Express or another flavour, and a valid Developers License. Due to an MSDN subscription I working on VS 2012 Premium with some additional tools by Telerik. Honestly, the fastest way to get you up and running for Windows 8 App development is the source code archive of codeSHOW(). It does not only give you all source code in general but contains a couple of SDKs like Bing Maps, Microsoft Advertising, Live ID, and Telerik Windows 8 controls... for free! Hint: Get the Windows Phone 8 SDK as well. Don't worry, while you are studying the material for Windows 8 you will be able to leverage from this knowledge to development for the phone platform, too. It takes roughly one to two hours to get your workspace and learning environment, at least this was my time frame due to slow internet connection and an aged spare machine. ;-) Oh, before I forget to mention it, as soon as you're done, go quickly to the Windows Store and search for ClassBrowserPlus. You might not need it ad hoc for your development using HTML5, CSS and Javascript but I think that it is a great developer's utility that enables you to view the properties, methods and events (along with help text) for all Windows 8 classes. It's always good to look behind the scenes and to explore how it is made. Idea: Start/join a learning group The way you learn new things or intensify your knowledge in a certain technology is completely up to your personal preference. Back in my days at the university, we used to meet once or twice a week in a small quiet room to exchange our progress, questions and problems we ran into. In general, I recommend to any software craftsman to lift your butt and get out to exchange with other developers. Personally, I like this approach, as it gives you new points of view and an insight into others' own experience with certain techniques and how they managed to solve tricky issues. Just keep it relaxed and not too formal after all, and you might a have a good time away from your dull office desk. Give your machine a break, too.

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• Massive Silverlight Giveaway! DevExpress , Syncfusion, Crypto Obfuscator and SL Spy!

  - by mbcrump

  Oh my, have we grown! Maybe I should change the name to Multiple Silverlight Giveaways. So far, my Silverlight giveaways have been such a success that I’m going to be able to give away more than one Silverlight product every month. Last month, we gave away 3 great products. 1) ComponentOne Silverlight Controls 2)  ComponentOne XAP Optimizer (with obfuscation) and 3) Silverlight Spy. This month, we will give away 4 great Silverlight products and have 4 different winners. This way the Silverlight community can grow with more than just one person winning all the prizes. This month we will be giving away: DevExpress Silverlight Controls – Over 50+ Silverlight Controls Syncfusion User Interface Edition - Create stunning line of business silverlight applications with a wide range of components including a high performance grid, docking manager, chart, gauge, scheduler and much more. Crypto Obfuscator – Works for all .NET including Silverlight/Windows Phone 7. Silverlight Spy – provides a license EVERY month for this giveaway. ----------------------------------------------------------------------------------------------------------------------------------------------------------- Win a FREE developer’s license of one of the products listed above! 4 winners will be announced on April 1st, 2011! To be entered into the contest do the following things: Subscribe to my feed. – Use Google Reader, email or whatever is best for you.  Leave a comment below with a valid email account (I WILL NOT share this info with anyone.) Retweet the following : I just entered to win free #Silverlight controls from @mbcrump . Register here: http://mcrump.me/fTSmB8 ! Don’t change the URL because this will allow me to track the users that Tweet this page. Don’t forget to visit each of the vendors sites because they made this possible. MichaelCrump.Net provides Silverlight Giveaways every month. You can also see the latest giveaway by bookmarking http://giveaways.michaelcrump.net . ---------------------------------------------------------------------------------------------------------------------------------------------------------- DevExpress Silverlight Controls Let’s take a quick look at some of the software that is provided in this giveaway. Before we get started with the Silverlight Controls, here is a couple of links to bookmark for the DevExpress Silverlight Controls: The Live Demos of the Silverlight Controls is located here. Great Video Tutorials of the Silverlight Controls are here. One thing that I liked about the DevExpress is how easy it was to find demos of each control. After you install the controls the following Program Group appears complete with “demos” that include full-source.   So, the first question that you may ask is, “What is included?” Here is the official list below. I wanted to show several of the controls that I think developers will use the most. The Book – Very rich animation between switching pages. Very easy to add your own images and custom text. The Menu – This is another control that just looked great. You can easily add images to the menu items with a few lines of XAML. The Window / Dialog Box – You can use this control to make a very beautiful “Wizard” to help your users navigate between pages. This is useful in setup or installation. Calculator – This would be useful for any type of Banking app. Also a first that I’ve seen from a 3rd party Control company. DatePicker – This controls feels a lot smoother than the one provided by Microsoft. It also provides the ability to “Clear” the selection. Overall the DevExpress Silverlight Controls feature a lot of quality controls that you should check out. You can go ahead and download a trial version of it right now by clicking here. If you win the contest you can simply enter your registration key and continue using the product without reinstalling. Syncfusion User Interface Edition Before we get started with the Syncfusion User Interface Edition, here is a couple of links to bookmark. The Live Demos can be found here. You can download a demo of it now at http://www.syncfusion.com/downloads/evalstart. After you install the Syncfusion, you can view the dashboard to run locally installed samples. You may also download the documentation to your local machine if needed. Since the name of the package is “User Interface Edition”, I decided to share several samples that struck me as “awesome”. Dashboard Gauges – I was very impressed with the various gauges they have included. The digital clock also looks very impressive. Diagram – The diagrams are also very easy to build. In the sample project below you can drag/drop the shapes onto the content pane. More complex lines like the Bezier lines are also easy to create using Syncfusion. Scheduling – Another strong component was the Scheduling with built-in support for Themes. Tools – If all of that wasn’t enough, it also comes with a nice pack of essential tools. Syncfusion has a nice variety of Silverlight Controls that you should check out. You can go ahead and download a trial version of it right now by clicking here. Crypto Obfuscator The following feature set is what is important to me in an Obfuscator since I am a Silverlight/WP7 Developer: And thankfully this is what you get in Crypto Obfuscator. You can download a trial version right now if you want to go ahead and play with it. Let’s spend a few moments taking a look at the application. After you have installed Crypto Obfuscator you will see the following screen: After you click on Assemblies you have the option to add your .XAP file in: I went ahead and loaded my .xap file from a Silverlight Application. At this point, you can simply save your project and hit “Obfuscate” and your done. You don’t have to mess with any of the other settings if you don’t want too. Of course, you can change the settings and add obfuscation rules, watermarks and signing if you wish.  After Obfuscation, it looks like this in .NET Reflector: I was trying to browse through methods and it actually crashed Reflector. This confirms the level of protection the obfuscator is providing. If this were a commercial application that my team built, I would have a huge smile on my face right now. Crypto Obfuscator is a great product and I hope you will spend the time learning more about it. Silverlight Spy Silverlight Spy is a runtime inspector tool that will tell you pretty much everything that is going on with the application. Basically, you give it a URL that contains a Silverlight application and you can explore the element tree, events, xaml and so much more. This has already been reviewed on MichaelCrump.net. _________________________________________________________________________________________ Thanks for reading and don’t forget to leave a comment below in order to win one of the four prizes available! Subscribe to my feed

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• How accurate is "Business logic should be in a service, not in a model"?

  - by Jeroen Vannevel

  Situation Earlier this evening I gave an answer to a question on StackOverflow. The question: Editing of an existing object should be done in repository layer or in service? For example if I have a User that has debt. I want to change his debt. Should I do it in UserRepository or in service for example BuyingService by getting an object, editing it and saving it ? My answer: You should leave the responsibility of mutating an object to that same object and use the repository to retrieve this object. Example situation: class User { private int debt; // debt in cents private string name; // getters public void makePayment(int cents){ debt -= cents; } } class UserRepository { public User GetUserByName(string name){ // Get appropriate user from database } } A comment I received: Business logic should really be in a service. Not in a model. What does the internet say? So, this got me searching since I've never really (consciously) used a service layer. I started reading up on the Service Layer pattern and the Unit Of Work pattern but so far I can't say I'm convinced a service layer has to be used. Take for example this article by Martin Fowler on the anti-pattern of an Anemic Domain Model: There are objects, many named after the nouns in the domain space, and these objects are connected with the rich relationships and structure that true domain models have. The catch comes when you look at the behavior, and you realize that there is hardly any behavior on these objects, making them little more than bags of getters and setters. Indeed often these models come with design rules that say that you are not to put any domain logic in the the domain objects. Instead there are a set of service objects which capture all the domain logic. These services live on top of the domain model and use the domain model for data. (...) The logic that should be in a domain object is domain logic - validations, calculations, business rules - whatever you like to call it. To me, this seemed exactly what the situation was about: I advocated the manipulation of an object's data by introducing methods inside that class that do just that. However I realize that this should be a given either way, and it probably has more to do with how these methods are invoked (using a repository). I also had the feeling that in that article (see below), a Service Layer is more considered as a façade that delegates work to the underlying model, than an actual work-intensive layer. Application Layer [his name for Service Layer]: Defines the jobs the software is supposed to do and directs the expressive domain objects to work out problems. The tasks this layer is responsible for are meaningful to the business or necessary for interaction with the application layers of other systems. This layer is kept thin. It does not contain business rules or knowledge, but only coordinates tasks and delegates work to collaborations of domain objects in the next layer down. It does not have state reflecting the business situation, but it can have state that reflects the progress of a task for the user or the program. Which is reinforced here: Service interfaces. Services expose a service interface to which all inbound messages are sent. You can think of a service interface as a façade that exposes the business logic implemented in the application (typically, logic in the business layer) to potential consumers. And here: The service layer should be devoid of any application or business logic and should focus primarily on a few concerns. It should wrap Business Layer calls, translate your Domain in a common language that your clients can understand, and handle the communication medium between server and requesting client. This is a serious contrast to other resources that talk about the Service Layer: The service layer should consist of classes with methods that are units of work with actions that belong in the same transaction. Or the second answer to a question I've already linked: At some point, your application will want some business logic. Also, you might want to validate the input to make sure that there isn't something evil or nonperforming being requested. This logic belongs in your service layer. "Solution"? Following the guidelines in this answer, I came up with the following approach that uses a Service Layer: class UserController : Controller { private UserService _userService; public UserController(UserService userService){ _userService = userService; } public ActionResult MakeHimPay(string username, int amount) { _userService.MakeHimPay(username, amount); return RedirectToAction("ShowUserOverview"); } public ActionResult ShowUserOverview() { return View(); } } class UserService { private IUserRepository _userRepository; public UserService(IUserRepository userRepository) { _userRepository = userRepository; } public void MakeHimPay(username, amount) { _userRepository.GetUserByName(username).makePayment(amount); } } class UserRepository { public User GetUserByName(string name){ // Get appropriate user from database } } class User { private int debt; // debt in cents private string name; // getters public void makePayment(int cents){ debt -= cents; } } Conclusion All together not much has changed here: code from the controller has moved to the service layer (which is a good thing, so there is an upside to this approach). However this doesn't look like it had anything to do with my original answer. I realize design patterns are guidelines, not rules set in stone to be implemented whenever possible. Yet I have not found a definitive explanation of the service layer and how it should be regarded. Is it a means to simply extract logic from the controller and put it inside a service instead? Is it supposed to form a contract between the controller and the domain? Should there be a layer between the domain and the service layer? And, last but not least: following the original comment Business logic should really be in a service. Not in a model. Is this correct? How would I introduce my business logic in a service instead of the model?

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• Who could ask for more with LESS CSS? (Part 2 of 3&ndash;Setup)

  - by ToStringTheory

  Welcome to part two in my series covering the LESS CSS language.  In the first post, I covered the two major CSS precompiled languages - LESS and SASS to a small extent, iterating over some of the features that you could expect to find in them.  In this post, I will go a little further in depth into the setup and execution of using the LESS framework. Introduction It really doesn’t take too much to get LESS working in your project.  The basic workflow will be including the necessary translator in your project, defining bundles for the LESS files, add the necessary code to your layouts.cshtml file, and finally add in all your necessary styles to the LESS files!  Lets get started… New Project Just like all great experiments in Visual Studio, start up a File > New Project, and create a new MVC 4 Web Application.  The Base Package After you have the new project spun up, use the Nuget Package Manager to install the Bundle Transformer: LESS package. This will take care of installing the main translator that we will be using for LESS code (dotless which is another Nuget package), as well as the core framework for the Bundle Transformer library.  The installation will come up with some instructions in a readme file on how to modify your web.config to handle all your *.less requests through the Bundle Transformer, which passes the translating onto dotless. Where To Put These LESS Files?! This step isn’t really a requirement, however I find that I don’t like how ASP.Net MVC just has a content directory where they store CSS, content images, css images….  In my project, I went ahead and created a new directory just for styles – LESS files, CSS files, and images that are only referenced in LESS or CSS.  Ignore the MVC directory as this was my testbed for another project I was working on at the same time.  As you can see here, I have: A top level directory for images which contains only images used in a page A top level directory for scripts A top level directory for Styles A few directories for plugins I am using (Colrizr, JQueryUI, Farbtastic) Multiple *.less files for different functions (I’ll go over these in a minute) I find that this layout offers the best separation of content types.  Bring Out Your Bundles! The next thing that we need to do is add in the necessary code for the bundling of these LESS files.  Go ahead and open your BundleConfig.cs file, usually located in the /App_Start/ folder of the project.  As you will see in a minute, instead of using the method Microsoft does in the base MVC 4 project, I change things up a bit.  Define Constants The first thing I do is define constants for each of the virtual paths that will be used in the bundler: The main reason is that I hate magic strings in my program, so the fact that you first defined a virtual path in the BundleConfig file, and then used that path in the _Layout.cshtml file really irked me. Add Bundles to the BundleCollection Next, I am going to define the bundles for my styles in my AddStyleBundles method: That is all it takes to get all of my styles in play with LESS.  The CssTransformer and NullOrderer types come from the Bundle Transformer we grabbed earlier.  If we didn’t use that package, we would have to write our own function (not too hard, but why do it if it’s been done). I use the site.less file as my main hub for LESS - I will cover that more in the next section. Add Bundles To Layout.cshtml File With the constants in the BundleConfig file, instead of having to use the same magic string I defined for the bundle virtual path, I am able to do this: Notice here that besides the RenderSection magic strings (something I am working on in another side project), all of the bundles are now based on const strings.  If I need to change the virtual path, I only have to do it in one place.  Nifty! Get Started! We are now ready to roll!  As I said in the previous section, I use the site.less file as a central hub for my styles: As seen here, I have a reset.css file which is a simple CSS reset.  Next, I have created a file for managing all my color variables – colors.less: Here, you can see some of the standards I started to use, in this case for color variables.  I define all color variables with the @col prefix.  Currently, I am going for verbose variable names. The next file imported is my font.less file that defines the typeface information for the site: Simple enough.  A couple of imports for fonts from Google, and then declaring variables for use throughout LESS.  I also set up the heading sizes, margins, etc..  You can also see my current standardization for font declaration strings – @font. Next, I pull in a mixins.less file that I grabbed from the Twitter Bootstrap library that gives some useful parameterized mixins for use such as border-radius, gradient, box-shadow, etc… The common.less file is a file that just contains items that I will be defining that can be used across all my LESS files.  Kind of like my own mixins or font-helpers: Finally I have my layout.less file that contains all of my definitions for general site layout – width, main/sidebar widths, footer layout, etc: That’s it!  For the rest of my one off definitions/corrections, I am currently putting them into the site.less file beneath my original imports Note Probably my favorite side effect of using the LESS handler/translator while bundling is that it also does a CSS checkup when rendering…  See, when your web.config is set to debug, bundling will output the url to the direct less file, not the bundle, and the http handler intercepts the call, compiles the less, and returns the result.  If there is an error in your LESS code, the CSS file can be returned empty, or may have the error output as a comment on the first couple lines. If you have the web.config set to not debug, then if there is an error in your code, you will end up with the usual ASP.Net exception page (unless you catch the exception of course), with information regarding the failure of the conversion, such as brace mismatch, undefined variable, etc…  I find it nifty. Conclusion This is really just the beginning.  LESS is very powerful and exciting!  My next post will show an actual working example of why LESS is so powerful with its functions and variables…  At least I hope it will!  As for now, if you have any questions, comments, or suggestions on my current practice, I would love to hear them!  Feel free to drop a comment or shoot me an email using the contact page.  In the mean time, I plan on posting the final post in this series tomorrow or the day after, with my side project, as well as a whole base ASP.Net MVC4 templated project with LESS added in it so that you can check out the layout I have in this post.  Until next time…

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• Java EE 7 Survey Results!

  - by reza_rahman

  On November 8th, the Java EE EG posted a survey to gather broad community feedback on a number of critical open issues. For reference, you can find the original survey here. We kept the survey open for about three weeks until November 30th. To our delight, over 1100 developers took time out of their busy lives to let their voices be heard! The results of the survey were sent to the EG on December 12th. The subsequent EG discussion is available here. The exact summary sent to the EG is available here. We would like to take this opportunity to thank each and every one the individuals who took the survey. It is very appreciated, encouraging and worth it's weight in gold. In particular, I tried to capture just some of the high-quality, intelligent, thoughtful and professional comments in the summary to the EG. I highly encourage you to continue to stay involved, perhaps through the Adopt-a-JSR program. We would also like to sincerely thank java.net, JavaLobby, TSS and InfoQ for helping spread the word about the survey. Below is a brief summary of the results... APIs to Add to Java EE 7 Full/Web Profile The first question asked which of the four new candidate APIs (WebSocket, JSON-P, JBatch and JCache) should be added to the Java EE 7 Full and Web profile respectively. As the following graph shows, there was significant support for adding all the new APIs to the full profile: Support is relatively the weakest for Batch 1.0, but still good. A lot of folks saw WebSocket 1.0 as a critical technology with comments such as this one: "A modern web application needs Web Sockets as first class citizens" While it is clearly seen as being important, a number of commenters expressed dissatisfaction with the lack of a higher-level JSON data binding API as illustrated by this comment: "How come we don't have a Data Binding API for JSON" JCache was also seen as being very important as expressed with comments like: "JCache should really be that foundational technology on which other specs have no fear to depend on" The results for the Web Profile is not surprising. While there is strong support for adding WebSocket 1.0 and JSON-P 1.0 to the Web Profile, support for adding JCache 1.0 and Batch 1.0 is relatively weak. There was actually significant opposition to adding Batch 1. 0 (with 51.8% casting a 'No' vote). Enabling CDI by Default The second question asked was whether CDI should be enabled in Java EE environments by default. A significant majority of 73.3% developers supported enabling CDI, only 13.8% opposed. Comments such as these two reflect a strong general support for CDI as well as a desire for better Java EE alignment with CDI: "CDI makes Java EE quite valuable!" "Would prefer to unify EJB, CDI and JSF lifecycles" There is, however, a palpable concern around the performance impact of enabling CDI by default as exemplified by this comment: "Java EE projects in most cases use CDI, hence it is sensible to enable CDI by default when creating a Java EE application. However, there are several issues if CDI is enabled by default: scanning can be slow - not all libs use CDI (hence, scanning is not needed)" Another significant concern appears to be around backwards compatibility and conflict with other JSR 330 implementations like Spring: "I am leaning towards yes, however can easily imagine situations where errors would be caused by automatically activating CDI, especially in cases of backward compatibility where another DI engine (such as Spring and the like) happens to use the same mechanics to inject dependencies and in that case there would be an overlap in injections and probably an uncertain outcome" Some commenters such as this one attempt to suggest solutions to these potential issues: "If you have Spring in use and use javax.inject.Inject then you might get some unexpected behavior that could be equally confusing. I guess there will be a way to switch CDI off. I'm tempted to say yes but am cautious for this reason" Consistent Usage of @Inject The third question was around using CDI/JSR 330 @Inject consistently vs. allowing JSRs to create their own injection annotations. A slight majority of 53.3% developers supported using @Inject consistently across JSRs. 28.8% said using custom injection annotations is OK, while 18.0% were not sure. The vast majority of commenters were strongly supportive of CDI and general Java EE alignment with CDI as illistrated by these comments: "Dependency Injection should be standard from now on in EE. It should use CDI as that is the DI mechanism in EE and is quite powerful. Having a new JSR specific DI mechanism to deal with just means more reflection, more proxies. JSRs should also be constructed to allow some of their objects Injectable. @Inject @TransactionalCache or @Inject @JMXBean etc...they should define the annotations and stereotypes to make their code less procedural. Dog food it. If there is a shortcoming in CDI for a JSR fix it and we will all be grateful" "We're trying to make this a comprehensive platform, right? Injection should be a fundamental part of the platform; everything else should build on the same common infrastructure. Each-having-their-own is just a recipe for chaos and having to learn the same thing 10 different ways" Expanding the Use of @Stereotype The fourth question was about expanding CDI @Stereotype to cover annotations across Java EE beyond just CDI. A significant majority of 62.3% developers supported expanding the use of @Stereotype, only 13.3% opposed. A majority of commenters supported the idea as well as the theme of general CDI/Java EE alignment as expressed in these examples: "Just like defining new types for (compositions of) existing classes, stereotypes can help make software development easier" "This is especially important if many EJB services are decoupled from the EJB component model and can be applied via individual annotations to Java EE components. @Stateless is a nicely compact annotation. Code will not improve if that will have to be applied in the future as @Transactional, @Pooled, @Secured, @Singlethreaded, @...." Some, however, expressed concerns around increased complexity such as this commenter: "Could be very convenient, but I'm afraid if it wouldn't make some important class annotations less visible" Expanding Interceptor Use The final set of questions was about expanding interceptors further across Java EE... A very solid 96.3% of developers wanted to expand interceptor use to all Java EE components. 35.7% even wanted to expand interceptors to other Java EE managed classes. Most developers (54.9%) were not sure if there is any place that injection is supported that should not support interceptors. 32.8% thought any place that supports injection should also support interceptors. Only 12.2% were certain that there are places where injection should be supported but not interceptors. The comments reflected the diversity of opinions, generally supportive of interceptors: "I think interceptors are as fundamental as injection and should be available anywhere in the platform" "The whole usage of interceptors still needs to take hold in Java programming, but it is a powerful technology that needs some time in the Sun. Basically it should become part of Java SE, maybe the next step after lambas?" A distinct chain of thought separated interceptors from filters and listeners: "I think that the Servlet API already provides a rich set of possibilities to hook yourself into different Servlet container events. I don't find a need to 'pollute' the Servlet model with the Interceptors API"

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• How to change the BIOS splash screen on HP Pavilion G4 1303AU?

  - by avirk

  My cousin got (legally) a laptop model HP Pavilion G4 1303AU from the government of my state. The laptop dual-boots Ubuntu and Windows 7. Everything is great except the BIOS logo at boot which I would like to change but don't know how to. I tried to flash a new BIOS firmware, but this didn't change the logo. I found this link for the same model and the same problem, but no success there either. Also I saw this blog post which wasn't helpful, except for this comment that mentioned an image in .ROM format. Not wishing to decompile and recompile the BIOS, can someone help me out with a step by step guide ?

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• `# probe: true` in /etc/rc.d/init.d/* files on a RedHat system

  - by Chen Levy

  Some files (e.g. nfs, nfslock, bind) in my /etc/rc.d/init.d/ directory have in their comment header a line such as: # probe: true I found that those particular scripts has the probe verb i.e.: service nfs probe But this is due to the fact that the mentioned scripts has code that deals with the probe verb. I find no mention of the # probe: true notation in chkconfig man page, nor in any related man pages. Googleing for it also didn't help. Is there a real significance for that line, or is it pure documentation?

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• xl2tpd[845]: parse_config: line 13: data 'ipsec sared=yes' occurs with no context

  - by mmc18

  When I executed xl2tpd I amhaving following error. # xl2tpd -D xl2tpd[845]: parse_config: line 13: data 'ipsec sared=yes' occurs with no context xl2tpd[845]: init: Unable to load config file When I remove the "line 13" I having same error with "Line 14" thefore I do not think that the problem is about "ipsec sared" Here is my configuration file xl2tpd.conf. LINUX Ubuntu 12.0.4 ;Openswan IPsec 2.6.37; xl2tpd version: xl2tpd-1.3.1 ; [global] ipsec sared=yes listen-addr=47.168.137.27 ; [lns default] ip range = 192.168.1.10-192.168.1.20 local ip = 192.168.1.1 require chap = yes refuse pap = yes require authentication = yes ppp debug = yes pppoptfile = /etc/ppp/options.xl2tpd length bit = yes name=LinuxIPSECVPN ANSWER:(since have not enough reputation I am writting it over here.) removing the ";" character at the beginning of [global] and [lns default] have solved the issue. At fist I tought that [global] and[lns default] were just a comment.

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• Debugging matchit plugin in vim (under Cygwin)

  - by system PAUSE

  The "matchit" plugin for vim is supposed to allow you to use the % key to jump between matching start/end tags when editing HTML, as well as /* and */ comment delimiters when editing other kinds of code. I've followed the exact instructions in ":help matchit", but % still doesn't work for me. It seems silly to ask "Why doesn't this work?" so instead I'm asking How can I diagnose the problem? Pointers to references are welcome, but specific vim-plugin-debugging techniques are preferred. Here is the ~/.vim directory: $ ls -ltaGR ~/.vim /cygdrive/y/.vim: total 0 drwxr-xr-x 1 spause 0 Sep 17 13:20 .. drwxr-xr-x 1 spause 0 Sep 16 13:59 doc drwxr-xr-x 1 spause 0 Sep 16 13:58 . drwxr-xr-x 1 spause 0 Sep 16 13:58 plugin /cygdrive/y/.vim/doc: total 24 -rw-r--r-- 1 spause 1961 Sep 16 13:59 tags drwxr-xr-x 1 spause 0 Sep 16 13:59 . -rw-r--r-- 1 spause 19303 Sep 16 13:58 matchit.txt drwxr-xr-x 1 spause 0 Sep 16 13:58 .. /cygdrive/y/.vim/plugin: total 32 drwxr-xr-x 1 spause 0 Sep 16 13:58 .. -rw-r--r-- 1 spause 30714 Sep 16 13:58 matchit.vim drwxr-xr-x 1 spause 0 Sep 16 13:58 . I am running vim 7.2 under Cygwin (installed Fall 2008). cygcheck shows: 1829k 2008/06/12 C:\cygwin\bin\cygwin1.dll Cygwin DLL version info: DLL version: 1.5.25 DLL epoch: 19 DLL bad signal mask: 19005 DLL old termios: 5 DLL malloc env: 28 API major: 0 API minor: 156 Shared data: 4 DLL identifier: cygwin1 Mount registry: 2 Cygnus registry name: Cygnus Solutions Cygwin registry name: Cygwin Program options name: Program Options Cygwin mount registry name: mounts v2 Cygdrive flags: cygdrive flags Cygdrive prefix: cygdrive prefix Cygdrive default prefix: Build date: Thu Jun 12 19:34:46 CEST 2008 CVS tag: cr-0x5f1 Shared id: cygwin1S4 In vim, :set shows: --- Options --- autoindent fileformat=dos shiftwidth=3 background=dark filetype=html syntax=html cedit=^F scroll=24 tabstop=3 expandtab shelltemp textmode viminfo='20,<50,s10,h Notably, the syntax and filetype are both recognized as HTML. (The syntax colouring is just fine.) If additional info is needed, please comment. UPDATE: Per answer by too much php: After trying vim -V1, I had changed my .vimrc to include a line set nocp so the compatible option is not on. :let loadad_matchit loaded_matchit #1 :set runtimepath? runtimepath=~/.vim,/usr/share/vim/vimfiles,/usr/share/vim/vim72,/usr/share/vim/vimfiles/after,~/.vim/after (~ is /cygdrive/y) Per answer by michael: :scriptnames 1: /cygdrive/y/.vimrc 2: /usr/share/vim/vim72/syntax/syntax.vim 3: /usr/share/vim/vim72/syntax/synload.vim 4: /usr/share/vim/vim72/syntax/syncolor.vim 5: /usr/share/vim/vim72/filetype.vim 6: /usr/share/vim/vim72/colors/evening.vim 7: /cygdrive/y/.vim/plugin/matchit.vim 8: /cygdrive/y/.vim/plugin/python_match.vim 9: /usr/share/vim/vim72/plugin/getscriptPlugin.vim 10: /usr/share/vim/vim72/plugin/gzip.vim 11: /usr/share/vim/vim72/plugin/matchparen.vim 12: /usr/share/vim/vim72/plugin/netrwPlugin.vim 13: /usr/share/vim/vim72/plugin/rrhelper.vim 14: /usr/share/vim/vim72/plugin/spellfile.vim 15: /usr/share/vim/vim72/plugin/tarPlugin.vim 16: /usr/share/vim/vim72/plugin/tohtml.vim 17: /usr/share/vim/vim72/plugin/vimballPlugin.vim 18: /usr/share/vim/vim72/plugin/zipPlugin.vim 19: /usr/share/vim/vim72/syntax/html.vim 20: /usr/share/vim/vim72/syntax/javascript.vim 21: /usr/share/vim/vim72/syntax/vb.vim 22: /usr/share/vim/vim72/syntax/css.vim Note that matchit.vim, html.vim, tohtml.vim, css.vim, and javascript.vim are all present. :echo b:match_words E121: Undefined variable: b:match_words E15: Invalid expression: b:match_words Hm, this looks highly relevant. I'm now looking through :help matchit-debug to find out how to fix b:match_words.

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• Windows 7 KSOD On Login

  - by Brandon Bertelsen

  For those that are unaware, KSOD means blacK Screen of Death. Essentially, when windows starts my computer shows only the cursor and a black screen. It seems like any and all shell elements are disabled (or perhaps not started). I have seen a number of these questions asked, none of which have matched my situation. CTRL + ALT + ... does not respond Restarting in safe mode, results in the same KSOD sfc /scannow seems to have no effect when typed at the command prompt that is accessed using the recovery tools via the install disk Update to item 3: sfc /scannow reports: There is a system repair pending which requires reboot to complete. Restart Windows and run sfc again. However, Windows does not restart past KSOD. Update to item 3 as per Soandos comment re: /offbootdir sfc /scannow /offbotdir=e:\ /windir=e:\windows "Windows resource protection found corrupt files but was unable to fix some of them. Details are included in the CBS.log..."

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• Unix : `nc` on Ubuntu vs Redhat (netcat)

  - by bguiz

  How do I achieve the equivalent of nc -q in Redhat 5? Details? nc -q -1 local host ${PORT} ${CMD} In Ubuntu, nc may be use as above, with the -q option. See manpage. -q after EOF on stdin, wait the specified number of seconds and then quit. If seconds is negative, wait forever. However, this option is not available in Redhat 5. See manpage. (Note: The Red Hat website is horrible to search, if someone finds their manpage for nc, please edit this post or comment with the new link).

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• Is it a fire hazard to use my wife's MacBook charger on my MacBook Pro?

  - by Nate

  (This is similar but doesn't address the fire hazard issue.) I have a MacBook Pro with an 85W power adapter. My wife has a MacBook with a 60W power adapter. We charge both computers with both adapters. Of course the MacBook Pro charges more slowly from the 60W adapter, but otherwise it's fine. However, according to this comment, using the 60W to charge the MacBook Pro is a fire hazard! Is this true? I am surprised Apple engineers would have made them interchangeable if this is the case.

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• SmartOS Virtualization with one public IP address

  - by matejkramny

  Is it possible? (title of this question) Googling Virtualization with one public IP address yields nothing useful What I have: SmartOS on a dedicated server. Dedicated server has one public IP address. What I want to do: Host multiple guest OS from that server Problem: Access to the guest through the (server that virtualizes the guest)'s IP address. Is this possible at all? Sorry, newbie to all this Research http://www.machine-unix.com/beginning-with-smartos/#comment-7256 Does not solve my problem - the guide sets up an internal IP http://blog.bgentil.fr/smartos-use-global-zone-as-gateway-for-guests.html Ideas Perhaps it is possible to do host-based translation like with nginx proxy?

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• MySQL is hogging my server resources

  - by Reacen

  Does anyone have any idea of what can cause this weird behaviour and how I go about fixing it? This is all coming from MySQL only (both RAM and CPU usage), for about 10 minutes after I reboot my Java game server (that has a pool of 256 connections). There are not that many queries and I think it may be more of a MySQL misconfiguration problem. My server: 3.20 GHz * 6 core / 24 GB RAM / 64 bit Windows Server 2003. My game server: Java server, with 256 MySQL connections pool (MyISAM engine), about 500,000 accounts, and 9 million rows of game items in database and about 3,000 players are connected. After about 15 minutes of the game server reboot, the server resumes its stability and CPU usage drop down to 1% ~ 5% and memory to 6 GB. Here is a copy of my MySQL configuration. Also, any advice about my MySQL configuration will be appreciated. I really set it up almost at random. # Example MySQL config file for very large systems. # # This is for a large system with memory of 1G-2G where the system runs mainly # MySQL. # # You can copy this file to # /etc/my.cnf to set global options, # mysql-data-dir/my.cnf to set server-specific options (in this # installation this directory is C:\mysql\data) or # ~/.my.cnf to set user-specific options. # # In this file, you can use all long options that a program supports. # If you want to know which options a program supports, run the program # with the "--help" option. # The following options will be passed to all MySQL clients [client] #password = your_password port = 3306 socket = /tmp/mysql.sock # Here follows entries for some specific programs # The MySQL server [mysqld] #log=c:\mysql.log port = 3306 socket = /tmp/mysql.sock skip-locking key_buffer_size = 2572M max_allowed_packet = 64M table_open_cache = 512 sort_buffer_size = 128M read_buffer_size = 128M read_rnd_buffer_size = 128M myisam_sort_buffer_size = 500M thread_cache_size = 32 query_cache_size = 1948M # Try number of CPU's*2 for thread_concurrency thread_concurrency = 12 max_connections = 5000 # Don't listen on a TCP/IP port at all. This can be a security enhancement, # if all processes that need to connect to mysqld run on the same host. # All interaction with mysqld must be made via Unix sockets or named pipes. # Note that using this option without enabling named pipes on Windows # (via the "enable-named-pipe" option) will render mysqld useless! # #skip-networking # Replication Master Server (default) # binary logging is required for replication log-bin=mysql-bin # required unique id between 1 and 2^32 - 1 # defaults to 1 if master-host is not set # but will not function as a master if omitted server-id = 1 # Replication Slave (comment out master section to use this) # # To configure this host as a replication slave, you can choose between # two methods : # # 1) Use the CHANGE MASTER TO command (fully described in our manual) - # the syntax is: # # CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>, # MASTER_USER=<user>, MASTER_PASSWORD=<password> ; # # where you replace <host>, <user>, <password> by quoted strings and # <port> by the master's port number (3306 by default). # # Example: # # CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306, # MASTER_USER='joe', MASTER_PASSWORD='secret'; # # OR # # 2) Set the variables below. However, in case you choose this method, then # start replication for the first time (even unsuccessfully, for example # if you mistyped the password in master-password and the slave fails to # connect), the slave will create a master.info file, and any later # change in this file to the variables' values below will be ignored and # overridden by the content of the master.info file, unless you shutdown # the slave server, delete master.info and restart the slaver server. # For that reason, you may want to leave the lines below untouched # (commented) and instead use CHANGE MASTER TO (see above) # # required unique id between 2 and 2^32 - 1 # (and different from the master) # defaults to 2 if master-host is set # but will not function as a slave if omitted #server-id = 2 # # The replication master for this slave - required #master-host = <hostname> # # The username the slave will use for authentication when connecting # to the master - required #master-user = <username> # # The password the slave will authenticate with when connecting to # the master - required #master-password = <password> # # The port the master is listening on. # optional - defaults to 3306 #master-port = <port> # # binary logging - not required for slaves, but recommended #log-bin=mysql-bin # # binary logging format - mixed recommended #binlog_format=mixed # Point the following paths to different dedicated disks #tmpdir = /tmp/ #log-update = /path-to-dedicated-directory/hostname # Uncomment the following if you are using InnoDB tables #innodb_data_home_dir = C:\mysql\data/ #innodb_data_file_path = ibdata1:2000M;ibdata2:10M:autoextend #innodb_log_group_home_dir = C:\mysql\data/ # You can set .._buffer_pool_size up to 50 - 80 % # of RAM but beware of setting memory usage too high #innodb_buffer_pool_size = 384M #innodb_additional_mem_pool_size = 20M # Set .._log_file_size to 25 % of buffer pool size #innodb_log_file_size = 100M #innodb_log_buffer_size = 8M #innodb_flush_log_at_trx_commit = 1 #innodb_lock_wait_timeout = 50 [mysqldump] quick max_allowed_packet = 64M [mysql] no-auto-rehash # Remove the next comment character if you are not familiar with SQL #safe-updates [myisamchk] key_buffer_size = 256M sort_buffer_size = 256M read_buffer = 8M write_buffer = 8M [mysqlhotcopy] interactive-timeout

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• Samplegrabber works fine on AVI/MPEG files but choppy with WMV

  - by jomtois

  I have been using the latest version of the WPFMediaKit. What I am trying to do is write a sample application that will use the Samplegrabber to capture the video frames of video files so I can have them as individual Bitmaps. So far, I have had good luck with the following code when constructing and rendering my graph. However, when I use this code to play back a .wmv video file, when the samplegrabber is attached, it will play back jumpy or choppy. If I comment out the line where I add the samplegrabber filter, it works fine. Again, it works with the samplegrabber correctly with AVI/MPEG, etc. protected virtual void OpenSource() { FrameCount = 0; /* Make sure we clean up any remaining mess */ FreeResources(); if (m_sourceUri == null) return; string fileSource = m_sourceUri.OriginalString; if (string.IsNullOrEmpty(fileSource)) return; try { /* Creates the GraphBuilder COM object */ m_graph = new FilterGraphNoThread() as IGraphBuilder; if (m_graph == null) throw new Exception("Could not create a graph"); /* Add our prefered audio renderer */ InsertAudioRenderer(AudioRenderer); var filterGraph = m_graph as IFilterGraph2; if (filterGraph == null) throw new Exception("Could not QueryInterface for the IFilterGraph2"); IBaseFilter renderer = CreateVideoMixingRenderer9(m_graph, 1); IBaseFilter sourceFilter; /* Have DirectShow find the correct source filter for the Uri */ var hr = filterGraph.AddSourceFilter(fileSource, fileSource, out sourceFilter); DsError.ThrowExceptionForHR(hr); /* We will want to enum all the pins on the source filter */ IEnumPins pinEnum; hr = sourceFilter.EnumPins(out pinEnum); DsError.ThrowExceptionForHR(hr); IntPtr fetched = IntPtr.Zero; IPin[] pins = { null }; /* Counter for how many pins successfully rendered */ int pinsRendered = 0; m_sampleGrabber = (ISampleGrabber)new SampleGrabber(); SetupSampleGrabber(m_sampleGrabber); hr = m_graph.AddFilter(m_sampleGrabber as IBaseFilter, "SampleGrabber"); DsError.ThrowExceptionForHR(hr); /* Loop over each pin of the source filter */ while (pinEnum.Next(pins.Length, pins, fetched) == 0) { if (filterGraph.RenderEx(pins[0], AMRenderExFlags.RenderToExistingRenderers, IntPtr.Zero) >= 0) pinsRendered++; Marshal.ReleaseComObject(pins[0]); } Marshal.ReleaseComObject(pinEnum); Marshal.ReleaseComObject(sourceFilter); if (pinsRendered == 0) throw new Exception("Could not render any streams from the source Uri"); /* Configure the graph in the base class */ SetupFilterGraph(m_graph); HasVideo = true; /* Sets the NaturalVideoWidth/Height */ //SetNativePixelSizes(renderer); } catch (Exception ex) { /* This exection will happen usually if the media does * not exist or could not open due to not having the * proper filters installed */ FreeResources(); /* Fire our failed event */ InvokeMediaFailed(new MediaFailedEventArgs(ex.Message, ex)); } InvokeMediaOpened(); } And: private void SetupSampleGrabber(ISampleGrabber sampleGrabber) { FrameCount = 0; var mediaType = new AMMediaType { majorType = MediaType.Video, subType = MediaSubType.RGB24, formatType = FormatType.VideoInfo }; int hr = sampleGrabber.SetMediaType(mediaType); DsUtils.FreeAMMediaType(mediaType); DsError.ThrowExceptionForHR(hr); hr = sampleGrabber.SetCallback(this, 0); DsError.ThrowExceptionForHR(hr); } I have read a few things saying the the .wmv or .asf formats are asynchronous or something. I have attempted inserting a WMAsfReader to decode which works, but once it goes to the VMR9 it gives the same behavior. Also, I have gotten it to work correctly when I comment out the IBaseFilter renderer = CreateVideoMixingRenderer9(m_graph, 1); line and have filterGraph.Render(pins[0]); -- the only drawback is that now it renders in an Activemovie widow of its own instead of my control, however the samplegrabber functions correctly and without any skipping. So I am thinking the bug is in the VMR9 / samplegrabbing somewhere. Any help? I am new to this.

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• Parsing HTML using HtmlParser

  - by Blankman

  My html has 20 or so rows of the following HTML pattern. So the below is considered a single instance of the pattern. Each instance of this pattern represents a product. Again the below is a single instance, it spans multiple rows in the HTML table. <table> .. <!-- product starts here, this html comment is not in the real html --> <tr> <td rowspan="5" class="product" valign="top"><nobr> ????????????</td> </tr> <tr> <td class="title" ??????????>?????????</td> <td class="title" ??????????>?????????</td> <td class="title" ??????????>?????????</td> <td class="title" ??????????>?????????</td> <td class="title" ??????????>?????????</td> <td class="title" ??????????>?????????</td> </tr> <tr> <td class="data" ?????? </td> <td class="data" ?????? </td> <td class="data" ?????? </td> <td class="data" ?????? </td> <td class="data" ?????? </td> <td class="data" ?????? </td> </tr> </tr> <tr> <td colspan="5" ????????</td> </tr> <tr> <td colspan="6" width="100%">&nbsp;<hr></td> </tr> <!-- product ends here, this html comment is not in the real html --> <!-- above pattern repeats multiple times in the HTML --> .. <table> I am trying to use HtmlParser for this. Parser rowParser = new Parser(); rowParser.setInputHtml(page.getHtml()); // page object represents a html page rowParser.setEncoding("UTF-8"); NodeFilter productRowFilter = new AndFilter( new TagNameFilter("tr"), new HasChildFilter( new AndFilter( new TagNameFilter("td"), new HasAttributeFilter("class", "product"))) The above filter doesn't work, just showing you what I have so far. I need to somehow combine these filters, and use the last td to mark the end of the pattern i.e. the td with the colspan=6 and width=100% with child element hr. I have been struggling with this, and have resorted to Regex'ing but was told numerous times to NOT use regex for html parsing, so here I am! Your help is much appreciated!

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• Blocking an IP range without using .htaccess

  - by Chris

  I have a WordPress blog that I am hosting using NearlyFreeSpeech.net. Recently, Russians found it and have been comment spamming me. I don't want to have to trash 30+ Cyrillic comments/day, and I don't want to pay for that bandwidth either. I did a little research, and all the commentors are originating from RIPE delegated IP ranges. Because my blog can only interest people living in the American Southeast, I figured the quick and dirty solution would be to use .htaccess to deny connections coming from 62.0.0.0/8 and 80.0.0.0/8 - 91.0.0.0/8. I wrote a .htaccess file that did just this, but the Russians were still getting through! According to NearlyFreeSpeech.net's FAQ, they can't support IP blocking through .htaccess (dirt cheap hosting comes with a price). I can block comments by IP through Wordpress (I think), but I can't figure out a way to block IP ranges or wildcards. Does anybody know of any other way?

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• Delphi: Using Enumerators to filter TList<T: class> by class type?

  - by afrazier

  Okay, this might be confusing. What I'm trying to do is use an enumerator to only return certain items in a generic list based on class type. Given the following hierarchy: type TShapeClass = class of TShape; TShape = class(TObject) private FId: Integer; public function ToString: string; override; property Id: Integer read FId write FId; end; TCircle = class(TShape) private FDiameter: Integer; public property Diameter: Integer read FDiameter write FDiameter; end; TSquare = class(TShape) private FSideLength: Integer; public property SideLength: Integer read FSideLength write FSideLength; end; TShapeList = class(TObjectList<TShape>) end; How can I extend TShapeList such that I can do something similar to the following: procedure Foo; var ShapeList: TShapeList; Shape: TShape; Circle: TCircle; Square: TSquare; begin // Create ShapeList and fill with TCircles and TSquares for Circle in ShapeList<TCircle> do begin // do something with each TCircle in ShapeList end; for Square in ShapeList<TSquare> do begin // do something with each TSquare in ShapeList end; for Shape in ShapeList<TShape> do begin // do something with every object in TShapeList end; end; I've tried extending TShapeList using an adapted version of Primoz Gabrijelcic's bit on Parameterized Enumerators using a factory record as follows: type TShapeList = class(TObjectList<TShape>) public type TShapeFilterEnumerator<T: TShape> = record private FShapeList: TShapeList; FClass: TShapeClass; FIndex: Integer; function GetCurrent: T; public constructor Create(ShapeList: TShapeList); function MoveNext: Boolean; property Current: T read GetCurrent; end; TShapeFilterFactory<T: TShape> = record private FShapeList: TShapeList; public constructor Create(ShapeList: TShapeList); function GetEnumerator: TShapeFilterEnumerator<T>; end; function FilteredEnumerator<T: TShape>: TShapeFilterFactory<T>; end; Then I modified Foo to be: procedure Foo; var ShapeList: TShapeList; Shape: TShape; Circle: TCircle; Square: TSquare; begin // Create ShapeList and fill with TCircles and TSquares for Circle in ShapeList.FilteredEnumerator<TCircle> do begin // do something with each TCircle in ShapeList end; for Square in ShapeList.FilteredEnumerator<TSquare> do begin // do something with each TSquare in ShapeList end; for Shape in ShapeList.FilteredEnumerator<TShape> do begin // do something with every object in TShapeList end; end; However, Delphi 2010 is throwing an error when I try to compile Foo about Incompatible types: TCircle and TShape. If I comment out the TCircle loop, then I get a similar error about TSquare. If I comment the TSquare loop out as well, the code compiles and works. Well, it works in the sense that it enumerates every object since they all descend from TShape. The strange thing is that the line number that the compiler indicates is 2 lines beyond the end of my file. In my demo project, it indicated line 177, but there's only 175 lines. Is there any way to make this work? I'd like to be able to assign to Circle directly without going through any typecasts or checking in my for loop itself.

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• Best free (or cheap) ASP.NET based CMS for a club/association?

  - by marc_s

  I've been looking for a simple, intuitive ASP.NET based CMS to handle my club/association site. It should be based on ASP.NET so I can add some extra specific pages offer a membership system, e.g. I want to be able to define members which can e.g. comment posts, while anonymous users can only read (no active participation) have features like news, forums, blogs, picture gallery be simple and easy to use I've been looking at GraffitiCMS: so far my favorite, but it has no forum, and no membership system, and no future, it seems - no development whatsoever in over a year :-( Sitefinity: had extreme trouble even getting it installed, and when it's finally up and running, I find it overly complicated and not intuitive at all Umbraco: same problem - hard to install, hard to get up and running, the intro videos on their site are only available to paying subscribers (what's up with that deal???)..... DotNetNuke: seems like a major overkill Community Server: seems like a major overkill - and seems to be more and more commercial, only Any others I've missed that I should have definitely looked at ??

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• What does NT_STATUS_BAD_NETWORK_NAME mean in Samba?

  - by Neil

  I set up a share like this: [global] security = user map to guest = Bad Password usershare allow guests = yes [vms] comment = VirtualBox Virtual Machines path = /home/neil/VirtualBox/HardDisks guest ok = yes read only = yes And when I access the share as myself, and type in my password, it works fine: $ smbclient //neil-ubuntu/vms -U neil Enter neil's password: Domain=[SHUTTERSTOCK] OS=[Unix] Server=[Samba 3.4.0] smb: \> But when I access it as guest, it doesn't work: $ smbclient //neil-ubuntu/vms -U guest Enter guest's password: Domain=[SHUTTERSTOCK] OS=[Unix] Server=[Samba 3.4.0] tree connect failed: NT_STATUS_BAD_NETWORK_NAME Regardless of what password I type in. Does anyone know why? Also, why does smbclient print such useless error messages?

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• automator scripts - resources

  - by sagar

  In Leopard, on Finder - desktop, right click pop up menu has an option for automator scripts. In Snow Leopard - they have removed this option. More over, I would like to learn some automator scripts. What are the great resources for learning about automator & it's script ? Suppose, I want to create an automator for creating a tar.gz for selected files & folders. What should I do ? Thanks in advance for sharing your knowledge. Please add comment before down vote or close vote. Sagar.

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