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• Using the Juniper EX3300 Switch as a router?

  - by Richard Whitman

  I have a Juniper EX3300 switch in a data center. And I have connected one of the uplink ports (ge-0/1/0) to my ISP's router. I want to configure it so that all the devices connected to ports in the same VLAN as ge-0/1/0 can access the Internet. I have done some research, and I haven't gotten anywhere really. I have configured the interface as follows: ge-0/1/0 { ether-options { no-auto-negotiation; link-mode full-duplex; speed { 1g; } } unit 0 { family inet { address xx.xx.xx.xx/32; } } } where xx.xx.xx.xx is the "Customer Router Port IP" assigned by my ISP. When I try to commit, I get the following error: Interface ge-0/1/0.0 not enabled for switching Can some one tell me what is the right way to configure it?

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• How to customize email FROM header with an email from a different domain ?

  - by user40763

  How can I customize the mail FROM header in our Email Marketing Application , to enable our customers to specify their OWN email ( from their domain ) . Currently the customer specify his own domain and we use it at the Reply-To mail's header. CURRENTLY From: [email protected] Reply-To: customer_email@customer_domain.com Return-Path: [email protected] WHAT WE NEED From: customer_email@customer_domain.com Reply-To: customer_email@customer_domain.com Return-Path: [email protected] We do it this way to avoid getting blacklisted because Mail Servers like Gmail or Hotmail would considers it as a MAIL'S HEADER FORGERY ATTEMPT. But our customers keeps asking us to make the FROM HEADER customizable. Can someone help us ?

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• CHMOD To Prevent Deletion Of File Directory

  - by Sohnee

  I have some hosting on a Linux server and I have a few folders that I don't ever want to delete. There are sub folders within these that I do want to delete. How do I set the CHMOD permissions on the folders I don't want to delete? Of course, when I say "I don't ever want to delete" - what I mean is that the end customer shouldn't delete them by accident, via FTP or in a PHP script etc. As an example of directory structure... MainFolder/SubFolder MainFolder/Another I don't want "MainFolder" to be accidentally deleted, but I'm happy for "SubFolder" and "Another" to be removed!

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• Token replacement

  - by ClarkeyBoy

  Hey, I currently have a system on my website whereby I can put something like "[cfe]" anywhere in the site and, when the page is rendered, it will replace it with the root to the customer front end (same for "[afe]" and admin front end - so in the admin front end I can put "[cfe]/Default.aspx" to link to the homepage on the customer front end. This is in place as I have a development version of the site, then a test and a live version too. All 3 may have different roots to each section (for example the way the website is set up, the root to the admin front end in test is "/test/Administration/", but in live and development it is just "/Administration/"). Which version it is depends on the URL - all my development sites are in a folder called "development", whereas test is in a folder called "test" and any live urls do not contain either of these. There are also 3 different databases - one for each. All 3, obviously, require a different connection string. I also have a string replacement function in place which can change, for example, "[Product:Cards]" to point to the Cards catalogue page. Problem is that for this I go through all the products and do a replacement on "[Product:" & Product.Name() & "]". However I would like to take this further. I would like to pick up these custom strings when the page is rendered so it picks up "[Product:Cards]" and then goes off to find product "Cards" and replaces the string with a link to the Cards page, rather than looping through all the products and doing a replace just on the off chance that there are any replacements to make. One use for this, which I may start using in the future if I can figure out how to do this, is like on Wikipedia where you put the title of the page you want to point to, then a divider (think its a pipe from memory) then the link text. I would like to apply this to the above situation. This way broken links can also be picked up, and reported to admin (a major advantage as they can then locate them and remove the link or add the product / page that it refers to). I would like to take this to the stage where content of entire pages can be rearranged (kinda like web parts, but not as advanced as that). I mean like so you can put [layout type="3columnImageTopRight" image="imageurl"]Content here[/layout]. This will display, as specified, an image in the top right (with padding at the left and bottom) and 3 columns - maybe with the image spanning one or two columns). The imageurl can be specified as another token: maybe like [Image:imagename.gif] or something. This replaces it with the root to the image folder and then the specified filename. I have not really looked into how I am going to split the content into 3 columns yet, but this would be something to look at for my dissertation and then implement after my project deadline at least. Does anyone have any ideas or pointers which could help me with this? Also if this is not strictly token replacement then please point me to what it is, so I can further develop this. Thanks in advance, Regards, Richard Clarke

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• NHibernate Generators

  - by Dan

  What is the best tool for generating Entity Class and/or hbm files and/or sql script for NHibernate. This list below is from http://www.hibernate.org/365.html, which is the best any why? Moregen Free, Open Source (GPL) O/R Generator that can merge into existing Visual Studio Projects. Also merges changes to generated classes. NConstruct Lite Free tool for generating NHibernate O/R mapping source code. Different databases support (Microsoft SQL Server, Oracle, Access). GENNIT NHibernate Code Generator Free/Commercial Web 2.0 code generation of NHibernate code using WYSIWYG online UML designer. GenWise Studio with NHibernate Template Commercial product; Imports your existing database and generates all XML and Classes, including factories. It can also generate a asp.net web-application for your NHibernate BO-Layer automatically. HQL Analyzer and hbm.xml GUI Editor ObjectMapper by Mats Helander is a mapping GUI with NHibernate support MyGeneration is a template-based code generator GUI. Its template library includes templates for generating mapping files and classes from a database. AndroMDA is an open-source code generation framework that uses Model Driven Architecture (MDA) to transform UML models into deployable components. It supports generation of data access layers that use NHibernate as their persistence framework. CodeSmith Template for NH NHibernate Helper Kit is a VS2005 add-in to generate classes and mapping files. NConstruct - Intelligent Software Factory Commercial product; Full .NET C# source code generation for all tiers of the information system trough simple wizard procedure. O/R mapping based on NHibernate. For both WinForms and ASP.NET 2.0.

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• SCM for Xcode?

  - by Gregor

  I am developing an application for the Mac as a small team (me + another person) effort. We are located in different cities, and have started to see the need for solid source control management. None of us have any experience with this, and both of us are relatively new to Cocoa/Obj-C/Xcode (but do have C knowledge). Does anyone have any recommendations as to which SCM system to choose? I understand that a lot of people are using Subversion, which is also supported in Xcode 3.1. Does anyone have experience with using Subversion through Xcode? Or is it a better option to chose a stand alone GUI alternative, such as Versions? Grateful for any input on this. Gregor Tomasevic, Sweden Update/personal experiences: Since this post, we have tried Versions and Cornerstone (both of which are SVN GUI-clients), as well as Xcodes built-in support for SVN. We were not particularly pleased with Versions, which seemed to have some problems with committing unversioned files/build files. The built-in SVN support in Xcode works quite well, although it probably has limitations that we have still not run into. Cornerstone is both simple to use and powerful, and does not seem to suffer from the problems we encountered with Versions. So far, we have just tried committing, updating repo, checking out latest/previous versions of our files and worked some with file comparison. It might be a whole different ball game once you start working extensively with branching, an area which we have been told both these GUI clients might have some weaknesses in. For what it's worth (and with only days of evaluation) Cornerstone seems to be a somewhat better alternative, although for simpler SCM, Xcode works well too. Thanks for all the comments.

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• Paypal subscriptions IPN - problem with users subscribing multiple times

  - by Brian Armstrong

  I'm using paypal subscriptions and the instant payment notification (IPN) to handle subscribers on my site. For the most part it works well but there is one occasional problem I've encountered. Usually if a user cancels their subscription, I wait for the "end of term" (subscr_eot) notification before disabling access to my site. So if they prepay for the whole month, and then cancel right away, they still have access for the rest of the month (as it should be). But some users are having this problem where they: Cancel their subscription Before the "end of term" is reached they decide to re-subscribe When the "end of term" is reached for their first subscription, my app receives the notification and fires off an email to the user with something like "your account has been disabled, if you ever want to sign up again, you can re-subscribe by clicking here". This confuses them because they are thinking...that's weird, I thought I subscribed like a week ago (and they did). So they go subscribe AGAIN. Now they have two concurrent running subscriptions to my site and I get a support email in a month or two ("wtf you billed me twice this month jerk!!") So I haven't found a good way to fix this. I guess the best solution would be to do an additional API call when the "end of term" notification is received which asks paypal "hey did this person already re-subscribe?". If so then no need to fire off that email. But I haven't seen any way to do this API call yet. Another solution is to disable their account immediately when they cancel (the "subscr_cancel" notification) but then I get different angry support emails "hey I prepaid for the whole month why was my account disabled already!!". Anyone else solved this?

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• Using dispatchertimer in combination with an asynchroneous call

  - by Civelle

  Hi. We have an issue in our Silverlight application which uses WCF and Entity Framework, where we need to trap the event whenever a user shuts down the application by closing the web page or the browser instead of closing the silverlight application. This is in order to verify if any changes have been made, in which case we would ask the user if he wants to save before leaving. We were able to accomplish the part which consists in trapping the closing of the web page: we wrote some code in the application object that have the web page call a method in the silverlight application object. The problem starts when in this method, we do an asynchroneous call to the Web Service to verify if changes have occured (IsDirty). We are using a DispatcherTimer to check for the return of the asynchroneous call. The problem is that the asynchroneous call never completes (in debug mode, it never ends up stepping into the _BfrServ_Customer_IsDirtyCompleted method), while it used to work fine before we added this new functionality. You will find belowthe code we are using. I am new to writing timers in combination with asynchroneous call so I may be doing something wrong but I cannot figure out what. I tried other things also but we without any success.. ====================== CODE ============================================== 'Code in the application object Public Sub New() InitializeComponent() RegisterOnBeforeUnload() _DispatcherTimer.Interval = New TimeSpan(0, 0, 0, 0, 500) End Sub Public Sub RegisterOnBeforeUnload() 'Register Silverlight object for availability in Javascript. Const scriptableObjectName As String = "Bridge" HtmlPage.RegisterScriptableObject(scriptableObjectName, Me) 'Start listening to Javascript event. Dim pluginName As String = HtmlPage.Plugin.Id HtmlPage.Window.Eval(String.Format("window.onbeforeunload = function () {{ var slApp = document.getElementById('{0}'); var result = slApp.Content.{1}.OnBeforeUnload(); if(result.length 0)return result;}}", pluginName, scriptableObjectName)) End Sub Public Function OnBeforeUnload() As String Dim userControls As List(Of UserControl) = New List(Of UserControl) Dim test As Boolean = True If CType(Me.RootVisual, StartPage).LayoutRoot.Children.Item(0).GetType().Name = "MainPage" Then If Not CType(CType(Me.RootVisual, StartPage).LayoutRoot.Children.Item(0), MainPage).FindName("Tab") Is Nothing Then If CType(CType(Me.RootVisual, StartPage).LayoutRoot.Children.Item(0), MainPage).FindName("Tab").Items.Count = 1 Then For Each item As TabItem In CType(CType(Me.RootVisual, StartPage).LayoutRoot.Children.Item(0), MainPage).Tab.Items If item.Content.GetType().Name = "CustomerDetailUI" _Item = item WaitHandle = New AutoResetEvent(False) DoAsyncCall() Exit End If Next End If End If End If If _IsDirty = True Then Return "Do you want to save before leaving." Else Return String.Empty End If End Function Private Sub DoAsyncCall() _Item.Content.CheckForIsDirty(WaitHandle) 'This code resides in the CustomerDetailUI UserControl - see below for the code End Sub Private Sub _DispatcherTimer_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles _DispatcherTimer.Tick If Not _Item.Content._IsDirtyCompleted = True Then Exit Sub End If _DispatcherTimerRunning = False _DispatcherTimer.Stop() ProcessAsyncCallResult() End Sub Private Sub ProcessAsyncCallResult() _IsDirty = _Item.Content._IsDirty End Sub 'CustomerDetailUI code Public Sub CheckForIsDirty(ByVal myAutoResetEvent As AutoResetEvent) _AutoResetEvent = myAutoResetEvent _BfrServ.Customer_IsDirtyAsync(_Customer) 'This method initiates asynchroneous call to the web service - all the details are not shown here _AutoResetEvent.WaitOne() End Sub Private Sub _BfrServ_Customer_IsDirtyCompleted(ByVal sender As Object, ByVal e As BFRService.Customer_IsDirtyCompletedEventArgs) Handles _BfrServ.Customer_IsDirtyCompleted If _IsDirtyFromRefesh Then _IsDirtyFromRefesh = False If e.Result = True Then Me.Confirm("This customer has been modified. Are you sure you want to refresh your data ? " & vbNewLine & " Your changes will be lost.", "Yes", "No", Message.CheckIsDirtyRefresh) End If Busy.IsBusy = False Else If e.Result = True Then _IsDirty = True Me.Confirm("This customer has been modified. Would you like to save?", "Yes", "No", Message.CheckIsDirty) Else Me.Tab.Items.Remove(Me.Tab.SelectedItem) Busy.IsBusy = False End If End If _IsDirtyCompleted = True _AutoResetEvent.Set() End Sub

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• Crosstab/Cube/Pivot Components for Delphi

  - by Anagoge

  I'm looking for a Delphi VCL crosstab/cube/pivotcube/olap grid component for Delphi 2009, 2010, or XE. I'm willing to sacrifice advanced features to get something open/free (or very cheap if I must) to make it easier to collaborate with any future developers without anyone having to purchase more components than I already use, since this will just be used in one screen. If there isn't anything appropriate out there, I may try to implement something simple on my own. I can live with some fairly basic features: drag and drop to configure dimensions, sort by a column, allow totals/min/max for a column, and (optionally) expand/collapse or drill down to sub-categories. Blazing performance and enterprise scalability are not required, since there should be less than 2000 source rows. There appear to be several decent options in the commercial space (ExpressPivotCube, FastCube, HierCube), but they are all a few hundred dollars. This project already uses existing installations of Excel 2007 and SQL Server 2005/2008, so I might consider leveraging those, though I'd prefer a native Delphi component, if possible. There are also the very old Decision Cube components included in Delphi's Source\xtab directory, but they apparently no longer support unicode compilers (Delphi 2009+), since I got dozens of unicode-related compilation errors while test compiling that source in Delphi XE. Those components also still link to the long-deprecated BDE! Has anyone modified Decision Cube to support unicode/pure-TDataSet? The online tutorials I found were incomplete and silent on the dozens of BDE/unicode compilation errors I see, so I might have to tackle that on my own. Does anyone have suggestions where to start for a free/cheap basic crosstab/pivot grid component?

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• Nexus One & Windows XP USB Driver

  - by Stefan

  I've been unable to get my Nexus One working as a development phone on Windows XP. I've got the driver (revision 3 for N1 support), I've got it installed according to the official installation guide, and the phone appears in the Device Manager just as the guide says it should. However, adb still can't find the phone. 'adb devices', for example, returns no active devices. Am I forgetting some basic step? One thing I've noticed is that the driver is labeled in Windows as version 2 released November, 2009 (I need version 3 from January 2010 for N1 support). However, I've never had version 2 installed. I've used the SDK to download version 3 several times - even deleted it and redownloaded it. I've uninstalled/reinstalled the version 3 driver multiple times. It still says version 2. Is this the problem, or this something completely unrelated? Note: The phone is working as a dev phone on Ubuntu, so I know the phone/cable/etc. are good. It's either my fault or the driver's.

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• Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:

  - by Sujee

  Hi All, I get following hibernate error. I am able to identify the function which causes the issue. Unfortunately there are several DB calls in the function. I am unable to find the line which causes the issue since hibernate flush the session at the end of the transaction. The below mentioned hibernate error looks like a general error. it doesn't even mentioned which Bean causes the issue. Anyone familiar with this hibernate error? Looking forward your help. Thanks in advance. Sujee. org.hibernate.StaleStateException: Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1 at org.hibernate.jdbc.BatchingBatcher.checkRowCount(BatchingBatcher.java:93) at org.hibernate.jdbc.BatchingBatcher.checkRowCounts(BatchingBatcher.java:79) at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:58) at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:195) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:142) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:297) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106) at org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:584) at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransacti onManager.java:500) at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManag er.java:473) at org.springframework.transaction.interceptor.TransactionAspectSupport.doCommitTransactionAfterReturning(Transaction AspectSupport.java:267) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:176)

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• Manage Upload Permissions, SFTP & Linux

  - by John R

  I'm new to Linux. I am working with a Redhat 5.5 server and am using a Java-based SFTP script that will allow multiple users to upload text files to a server. I am undecided if each user will have a separate directory or if I will use a naming convention that includes their customer ID. The files include some personal information about their LAN settings, so I prefer to use SFTP as apposed to FTP. It is my understanding that SFTP is encrypted (Also, I have a Java class configured to upload via SFTP, so I prefer not to switch protocols unless their is a very-good reason). The prototype is for a system that will support large numbers of customers and the thought of continually adding and removing clients through the command line seems highly impractical. (Again, I am new_to/learning Linux and Redhat). What are normal conventions for giving multiple users permission to SFTP upload files with a unique username and password for each.

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• Wildcard SSL certificates, EV

  - by nachito

  I run a Magento e-commerce store with multiple subdomains for an affiliate program, plus a main store. Example, foo.example.com and bar.example.com are affiliates, www.example.com is my main store. They all share the same code and database and the same virtual host. Currently I have a wildcard certificate which works fine for everything. However, I was looking at EV certificates to increase customer confidence (which is not possible with wildcard certificates -- or so I'm told). What would be the simplest setup to have both an EV SSL Cert for the main store and a wildcard for the affiliate subdomains? Two virtual hosts? By the way, I'm running Litespeed as a webserver.

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• Why does Amazon release private keys instead of public keys?

  - by S37H

  My brain is wrapped around the axle on public and private keys. When you create a cloud server (instance) on Amazon's EC2 service and then want to connect to it via SSH, Amazon requires you to download private a key to make the connection. Doesn't the idea behind public/private key suggest that Amazon should be require you to download a public one? Further, if I set up an SFTP server for a customer to use, should I be installing their key on the server or giving them a key from the server? In either case, should it be a public or private key?

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• IIS7 rejecting POST requests with 400 error.

  - by Eli

  I have a web application that is supposed to handle post requests from SAP. This has been working fine at other customers with win2k3 systems (IIS6) and win2k8 (IIS7) systems. However, on this specific customer's site, IIS responds with a 400 response, without calling my aspx page. In fact, I don't even see it appear in the w3c log for the virtual directory. I do see the request using Network Monitor, so I know no firewalls and the like are eating the request, and as far as I can tell, all of the fields of the request are valid (there is "content-length", it looks correct (this is a sending of a 28K tiff file - which isn't MIME encoded, curiously enough now that I think of it...) Ideas?

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• Decisions in teaching someone else to program: language selection

  - by Dinah

  My friend would like for me to guide her into learning programming. She's already proven enormous aptitude for thinking like a programmer but is scared of the idea of programming since in her mind it's relegated to some magical realm accessible only to smart people and trained computer scientists (ironically, I am neither but that's beside the point). My main question is the age-old and irritating question: which language should I chose? I've limited it down to these: PHP: dead simple to start with and I remember enough of the language to answer all novice questions. However, I can think of a million reasons why I wouldn't recommend this as a first language. The most diplomatic of which is that there's no desktop app option to which I would feel comfortable subjecting a novice. Python: supposed to be wonderful for beginners and generally everything I've heard about it screams that this is the correct choice. That's the problem: everything I've heard about it. I don't know it yet and have a lot of projects going on right now so I don't feel like learning it yet -- but I'm going to be the tech-support when any little thing goes wrong. I know there are tons of online resources but in the frustration of the moment, it's always going to be just me. C#: this is the language I'm most comfortable with so I know I can be good tech support. I also love this language and its versatility and community. The big drawback here is that I remember when I first learned it after doing mainly PHP, Perl, and JavaScript and I found the experience overwhelming. You are simultaneously learning: programming concepts, C# syntax, strong typing, OOP, and a complex powerful IDE with a bazillion options and buttons all over it.

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• A process serving application pool 'X' reported a failure. The process id was 'Y'. The data field c

  - by born to hula

  I have a WCF Web Service which is kept under an Application Pool on IIS. Lately I've been getting "Service Unavaiable" when I'm trying to make calls to this Web Service. The first thing I tried to do was restarting the Application Pool. I did it and after a couple of seconds, it crashed and stopped. Looking at the Event Viewer, I found these messages, which by the moment couldn't help me to find where the problem is. A process serving application pool 'X' reported a failure. The process id was '11616'. The data field contains the error number. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. After getting a couple of these, I got this one: Application pool 'X' is being automatically disabled due to a series of failures in the process(es) serving that application pool. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. I've already checked permissions and Application Pool configurations but everything seems to be OK. Have anyone been through this? Thanks in advance.

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• Migrating RAID6 array from HP SmartArray P600 to LSI MegaRAID SAS 8888ELP

  - by MLu

  My customer has an external RAID6 array (8x 1TB in HP MSA60 enclosure) attached to HP SmartArray P600 controller. They have now decided to replace the server and the new one comes with LSI MegaRAID SAS 8888ELP. The HW supplier insists the migration is as simple as pulling the eSATA cable from P600 and inserting it into LSI but I'm not convinced. Unfortunately I have nowhere to test, and will have to do the exercise on the production array :( So the question in brief - is it possible to import the HP SmartArray P600-created RAID6 array to LSI MegaRAID 8888ELP?

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• [iPhone] dyld: Library not loaded - When app run from the command line

  - by user142764

  Hi, I face some difficulties when adding a framework to my project when i run an iPhone app from the command line. My final goal is to run applications tests from an automated build process. When i run my app from xCode : I add a "Copy File" build phase to my target and everything goes fine. The copy is set to $(BUILT_PRODUCTS_DIR) as "Absolute path" When i run my app from the terminal (using iphonesim project) i get this error : dyld: Library not loaded: @rpath/OCMock.framework/Versions/A/OCMock UIKitApplication:indemnisation[0xb894][26380] Referenced from: /Users/Admin/Library/Application Support/iPhone Simulator/User/Applications/CD5729B5-A674-49B2-91F6-AD398094B6F8/indemINT.app/indemINT What i dont understand is that the copy build phase just copies the framework files in the same directory that the app. When i run the app from the command line the framework files are already in the same directory. Does anyone knows why it doesn't work ? I've also tried to add the OCMock.framework in the following directories (without success) : /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.0.sdk/System/Library /Library/Frameworks /Users/Admin/Library/Application Support/iPhone Simulator/User/Applications/CD5729B5-A674-49B2-91F6-AD398094B6F8 Thanks in advance, Vincent.

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• How can I log and retrieve error messages from a client-side desktop app?

  - by KeyboardMonkey

  Update: The service-based answers below are most likely the way to go, I am also curious to see if there are any out-the-box solutions anyone has tried in the field. Our system uses a client-server architecture, and with more clients using it I'm thinking of better ways to log client application errors, and get them sent to us. Currently we just show a simple error message, with a button that preps an email (with the default system email client) and the clients send this on to our support address. This contains extra info like the stack trace. We also tried saving errors to a network share in the company, but I'm not too keen on that archaic solution either. Now there are only two businesses that refer to clients as users, and I'm sure some of ours support both lifestyles, as they just ignore the email button, and sends a full screen-shot wrapped nicely in a word document. Some factors I'm thinking of include A solution to log errors, like the contrived one above, A robust solution; Logging to a SQL database won't work; if that fails too, then what? Is at least semi-automated, preferably to the point where the logs reach my side. It copes with load, our client base is growing and the current solution, and our inboxes, won't hold up. Minimise installing extra 3rd party components on clients, I want to keep the SPOF to a min. I'd love to hear about any experience or suggestions you have on how I can implement such a solution. System Details It's a Microsoft .Net 2 based system with a SQL backend. Some users work remotely over the net, so network shares aren't always available (unless they VPN, which is awesomely slow at any rate). We have users across different companies, their DB's are hosted on-site. We have remote access to 90% of them.

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• Obj-msg-send error in numberOfSectionsInTableView

  - by mukeshpawar

  import "AddBillerCategoryViewController.h" import "Globals.h" import "AddBillerViewController.h" import "AddBillerListViewController.h" import"KlinnkAppDelegate.h" @implementation AddBillerCategoryViewController @synthesize REASON, RESPVAR, currentAttribute,tbldata,strOptions; // This recipe adds a title for each section //Initialize the table view controller with the grouped style (AddBillerCategoryViewController *) init { if (self = [super initWithStyle:UITableViewStyleGrouped]);// self.title = @"Crayon Colors"; return self; } -(void)showBack { [[self navigationController] pushViewController:[[AddBillerViewController alloc] init] animated:YES]; } (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated { if ([viewController isKindOfClass:[AddBillerCategoryViewController class]]) { AddBillerCategoryViewController *controller = (AddBillerCategoryViewController *)viewController; [controller.tbldata reloadData]; } } (void)viewDidLoad { appDelegate = (KlinnkAppDelegate *)[[UIApplication sharedApplication] delegate]; appDelegate.catListArray.count; // Uncomment the following line to display an Edit button in the navigation bar for this view controller. // self.navigationItem.rightBarButtonItem = self.editButtonItem; //self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] // initWithTitle:@"Back" // style:UIBarButtonItemStylePlain // target:self // action:@selector(showBack)] autorelease]; if(gotOK == 0) { //self.navigationItem.leftBarButtonItem.enabled = FALSE; dt = [[DateTime alloc] init]; strChannelID = @"IGLOO|MOBILE"; strDateTime = [dt findDateTime]; strTemp = [dt findSessionTime]; strSessionID = [appDelegate.KMobile stringByAppendingString:strTemp]; strResponseURL = @"http://115.113.110.139/Test/CbbpServerRequestHandler"; strResponseVar = @"serverResponseXML"; strRequestType = @"GETCATEGORY"; NSLog(@"Current Session id - %@", strSessionID); //conn = [[NSURLConnection alloc] init]; receivedData = [[NSMutableData data] retain]; //.................... currentAttribute = [[NSMutableString alloc] init]; // create XMl xmlData = [[NSData alloc] init]; xmlData = [self createXML]; // XMl has been created now convert it in to string xmlString = [[NSString alloc] initWithData:xmlData encoding:NSASCIIStringEncoding]; // Ataching other infromatin to he xml parameterString = [[NSString alloc] initWithString:@"mobileRequestXML="]; requestString = [[NSString alloc] init]; requestString = [parameterString stringByAppendingString:xmlString]; // give space betn two element. requestString = [requestString stringByReplacingOccurrencesOfString:@"<" withString:@" <"]; // Initalizing other parameters postData = [requestString dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; postLength = [NSString stringWithFormat:@"%d",[postData length]]; firstRequest = [[[NSMutableURLRequest alloc] init] autorelease]; REASON = [[NSMutableString alloc] init]; RESPVAR = [[NSMutableString alloc] init]; NSLog(@"\n \n Sending for 1st time........\n"); [self sendRequest]; NSLog(@"\n \n Sending for 2nd time........\n"); [self sendRequest]; NSLog(@"\n \n both request send........\n \n "); } //[tbldata reloadData]; [self retain]; [super viewDidLoad]; } -(void)sendRequest { finished = FALSE; NSLog(@"\n Sending Request \n\n %@", requestString); conn = [[NSURLConnection alloc] init]; if(gotOK == 0) [firstRequest setURL:[NSURL URLWithString:@"http://115.113.110.139/Test/CbbpMobileRequestHandler"]]; if(gotOK == 1) { [firstRequest setURL:[NSURL URLWithString:@"http://115.113.110.139//secure"]]; gotOK = 2; } [firstRequest setHTTPMethod:@"POST"]; [firstRequest setValue:postLength forHTTPHeaderField:@"Content-Length"]; [firstRequest setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"]; [firstRequest setHTTPBody:postData]; conn = [conn initWithRequest:firstRequest delegate:self startImmediately:YES]; [conn start]; while(!finished) { [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]]; } if (conn) { //receivedData = [[NSMutableData data] retain]; NSLog(@"\n\n Received %d bytes of data",[receivedData length]); } else { NSLog(@"\n Not responding"); } } (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { NSLog(@" \n Send didReciveResponse"); [receivedData setLength:0]; } (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { NSLog(@" \n Send didReciveData"); [receivedData appendData:data]; } (void)connectionDidFinishLoading:(NSURLConnection *)connection { finished = TRUE; NSLog(@" \n Send didFinishLaunching"); // do something with the data // receivedData is declared as a method instance elsewhere NSLog(@"\n\n Succeeded! DIDFINISH Received %d bytes of data\n\n ",[receivedData length]); NSString *aStr = [[NSString alloc] initWithData:receivedData encoding:NSASCIIStringEncoding]; NSLog(aStr); //[conn release]; if([aStr isEqualToString:@"OK"]) gotOK = 1; NSLog(@" Value of gotOK - %d", gotOK); if(gotOK == 2) { responseData = [aStr dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; parser = [[NSXMLParser alloc] initWithData:responseData]; [parser setDelegate:self]; NSLog(@"\n start parsing"); [parser parse]; NSLog(@"\n PArsing over"); NSLog(@"\n check U / S and the RESVAR is - %@",RESPVAR); NSRange textRange; textRange =[aStr rangeOfString:@"<"]; if(textRange.location != NSNotFound) { if([RESPVAR isEqualToString:@"U"]) { self.navigationItem.rightBarButtonItem.enabled = TRUE; self.navigationItem.leftBarButtonItem.enabled = TRUE; NSLog(@" \n U......."); UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error" message:REASON delegate:self cancelButtonTitle:nil otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; } if([RESPVAR isEqualToString:@"S"]) { NSLog(@"\n S........"); [[self navigationController] pushViewController:[[AddBillerCategoryViewController alloc] init] animated:YES]; //[self viewDidLoad]; //[tbldata reloadData]; } } else { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Connection Problem" message:@"Enable to process your request at this time. Please try again." delegate:self cancelButtonTitle:nil otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; //self.navigationItem.leftBarButtonItem.enabled = TRUE; } } NSLog(@"\n Last line of connectionDidFinish "); //[tableView reloadData]; } -(NSData *)createXML { NSString *strXmlNode = @" channel alliaceid session reqtype responseurl responsevar "; NSString *tempchannel = [strXmlNode stringByReplacingOccurrencesOfString:@"channel" withString:strChannelID options:NSBackwardsSearch range:NSMakeRange(0, [strXmlNode length])]; NSString *tempalliance = [tempchannel stringByReplacingOccurrencesOfString:@"alliaceid" withString:@"WALLET365" options:NSBackwardsSearch range:NSMakeRange(0, [tempchannel length])]; NSString *tempsession = [tempalliance stringByReplacingOccurrencesOfString:@"session" withString:strSessionID options:NSBackwardsSearch range:NSMakeRange(0, [tempalliance length])]; NSString *tempreqtype = [tempsession stringByReplacingOccurrencesOfString:@"reqtype" withString:strRequestType options:NSBackwardsSearch range:NSMakeRange(0,[tempsession length])]; NSString *tempresponseurl = [tempreqtype stringByReplacingOccurrencesOfString:@"responseurl" withString:strResponseURL options:NSBackwardsSearch range:NSMakeRange(0, [tempreqtype length])]; NSString *tempresponsevar = [tempresponseurl stringByReplacingOccurrencesOfString:@"responsevar" withString:strResponseVar options:NSBackwardsSearch range:NSMakeRange(0,[tempresponseurl length])]; NSData *data= [[NSString stringWithString:tempresponsevar] dataUsingEncoding:NSUTF8StringEncoding]; return data; } (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict { if([elementName isEqualToString:@"RESPVAL"]) currentAttribute = [NSMutableString string]; if([elementName isEqualToString:@"REASON"]) currentAttribute = [NSMutableString string]; if([elementName isEqualToString:@"COUNT"]) currentAttribute = [NSMutableString string]; if([elementName isEqualToString:@"CATNAME"]) currentAttribute = [NSMutableString string]; } (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName { if([elementName isEqualToString:@"RESPVAL"]) { [RESPVAR setString:currentAttribute]; //NSLog(@"\n Response VAR - %@", RESPVAR); } if([elementName isEqualToString:@"REASON"]) { [REASON setString:currentAttribute]; //NSLog(@"\n Reason - %@", REASON); } if([elementName isEqualToString:@"COUNT"]) { NSString *temp1 = [[NSString alloc] init]; temp1 = [temp1 stringByAppendingString:currentAttribute]; catCount = [temp1 intValue]; [temp1 release]; //NSLog(@"\n Cat Count - %d", catCount); } if([elementName isEqualToString:@"CATNAME"]) { [appDelegate.catListArray addObject:[NSString stringWithFormat:currentAttribute]]; //NSLog(@"%@", appDelegate.catListArray); } } (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string { if(self.currentAttribute) [self.currentAttribute setString:string]; } /* (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; } */ /* (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } */ /* (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; } */ /* (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } */ /* // Override to allow orientations other than the default portrait orientation. (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } */ (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview // Release anything that's not essential, such as cached data } pragma mark Table view methods -(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } // Customize the number of rows in the table view. -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { KlinnkAppDelegate *appDelegated = (KlinnkAppDelegate *)[[UIApplication sharedApplication] delegate]; return appDelegated.catListArray.count; } // Customize the appearance of table view cells. (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease]; } // Set up the cell... AddBillerCategoryViewController *mbvc = (AddBillerCategoryViewController *)[appDelegate.catListArray objectAtIndex:indexPath.row]; [cell setText:mbvc.strOptions]; return cell; } (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { // Navigation logic may go here. Create and push another view controller. // AnotherViewController *anotherViewController = [[AnotherViewController alloc] initWithNibName:@"AnotherView" bundle:nil]; // [self.navigationController pushViewController:anotherViewController]; // [anotherViewController release]; gotOK = 0; int j = indexPath.row; appDelegate.catName = [[NSString alloc] init]; appDelegate.catName = [appDelegate.catName stringByAppendingString:[appDelegate.catListArray objectAtIndex:j]]; [[self navigationController] pushViewController:[[AddBillerListViewController alloc] init] animated:YES]; } /* // Override to support conditional editing of the table view. (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath { // Return NO if you do not want the specified item to be editable. return YES; } */ /* // Override to support editing the table view. (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { // Delete the row from the data source [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:YES]; } else if (editingStyle == UITableViewCellEditingStyleInsert) { // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view } } */ /* // Override to support rearranging the table view. (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath { } */ /* // Override to support conditional rearranging of the table view. (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath { // Return NO if you do not want the item to be re-orderable. return YES; } */ (void)dealloc { [REASON release]; [RESPVAR release]; [currentAttribute release]; [tbldata release]; [super dealloc]; } @end In the Above code .. numberOfSectionsInTableView ,i get error of obj-msg-send i have intialize the array catlist and even not released it anywhere still why i am getting this error please help me i am badly stuck' thanks in advacnce

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• What's the strategy to implement a "knowledge base" in my company.

  - by Oscar Reyes

  In my current work we think we can get benefit from having a knowledge base, so the next time someone has a question/problem etc, that base can be consulted and an answer will show up. Also, it will reduce the risk from having people leaving the company with the knowledge and we would have to start all over again. My question is, what strategy can we follow to implement/buy/get/build/etc this knowledge base? Are there software ready for this? Would it be better to have something build by ourselves ( we have some programmers ) This is an small company ( < 30 ) and the base should be accessible from outside the office ( when the employees are with the customer etc.) so I guess a webapp is in order.

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• NHibernate, VS 2010

  - by ??????

  ????????????, ANRY! ?????? ??????? ??? ??????????? ???????? ?? ????????????, ?????????? ? NHibernate. ??? ?? ???????? ???? ?????? "Hello NHibernate!". ???????????? ??????????? ????? ??????? ????????: ?? ????, ???? ?????, ??????, ?????. ?????????????? ?????? 4 ??????? ? MSSQL 2010: ?????(id_??????, ????????, ????), ??????(id_???????, ???, ???????), ?????(id_??????, id_???????, ?????????) ? ?????? ??????(id_?????? ??????, id_??????, id_??????, ??????????). ??????????????, ?????? 4 ??????: ?????, ??????, ?????, ?????? ??????. ?????? ??? ?????: ????? ?? ????????? 4 mapping-?????, ??? ?? ????? ???????????? ?????? ? ????? ???? Debug ???????? ????????? ??????: "Could not compile the mapping document: Sklad.products.hbm.xml". ?????? "????????" ?????????, ??? ??????. ? ??? ????? ???? ???????? ? ??? ?? ????? ??????? ? ?????????, ??????. P.S. ???? ?? ??????, ?????? ???????? ?? ?????: [email protected] Google translation (I cleaned this up a but, don't don't speak russian, someone else please improve if it's wrong) Hello, ANRY! Most recently, during the passage of the practice of the university, faced with NHibernate. I read your article "Hello NHibernate!". Took to implement something like a store: that is, a product, the customer order. Accordingly created 4 tables in MSSQL 2010: Goods (id_tovara, name, price) Client (id_klienta, name, surname) Order (id_zakaza, id_klienta, cost) Order Line (id_stroki order id_zakaza, id_tovara, quantity) Accordingly, created 4 classes: Product, Customer, Order, Order Line. my question is this: whether you want to create 4 mapping-file, or you can make only one? And when there is a Debug gives the following error: "Could not compile the mapping document: Sklad.products.hbm.xml. And "Build" is normal, no errors. In what may be the problem and how it can solve? Regards, Andrew. PS if not difficult, you can reply to e-mail: [email protected]

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• htaccess mod_rewrite check file/directory existence, else rewrite?

  - by devians

  I have a very heavy htaccess mod_rewrite file that runs my application. As we sometimes take over legacy websites, I sometimes need to support old urls to old files, where my application processes everything post htaccess. My ultimate goal is to have a 'Demilitarized Zone' for old file structures, and use mod rewrite to check for existence there before pushing to the application. This is pretty easy to do with files, by using: RewriteCond %{IS_SUBREQ} true RewriteRule .* - [L] RewriteCond %{ENV:REDIRECT_STATUS} 200 RewriteRule .* - [L] RewriteCond Public/DMZ/$1 -F [OR] RewriteRule ^(.*)$ Public/DMZ/$1 [QSA,L] This allows pseudo support for relative urls by not hardcoding my base path (I cant assume I will ever be deployed in document root) anywhere and using subrequests to check for file existence. Works fine if you know the file name, ie http://domain.com/path/to/app/legacyfolder/index.html However, my legacy urls are typically http://domain.com/path/to/app/legacyfolder/ Mod_Rewrite will allow me to check for this by using -d, but it needs the complete path to the directory, ie RewriteCond Public/DMZ/$1 -F [OR] RewriteCond /var/www/path/to/app/Public/DMZ/$1 -d RewriteRule ^(.*)$ Public/DMZ/$1 [QSA,L] I want to avoid the hardcoded base path. I can see one possible solutions here, somehow determining my path and attaching it to a variable [E=name:var] and using it in the condition. Another option is using -U, but the tricky part is stopping it from hijacking every other request when they should flow through, since -U is really easy to satisfy. Any implementation that allows me to existence check a directory is more than welcome. I am not interested in using RewriteBase, as that requires my htaccess to have a hardcoded base path.

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• AndEngine VS Android's Canvas VS OpenGLES - For rendering a 2D indoor vector map

  - by Orchestrator

  This is a big issue for me I'm trying to figure out for a long time already. I'm working on an application that should include a 2D vector indoor map in it. The map will be drawn out from an .svg file that will specify all the data of the lines, curved lines (path) and rectangles that should be drawn. My main requirement from the map are Support touch events to detect where exactly the finger is touching. Great image quality especially when considering the drawings of curved and diagonal lines (anti-aliasing) Optional but very nice to have - Built in ability to zoom, pan and rotate. So far I tried AndEngine and Android's canvas. With AndEngine I had troubles with implementing anti-aliasing for rendering smooth diagonal lines or drawing curved lines, and as far as I understand, this is not an easy thing to implement in AndEngine. Though I have to mention that AndEngine's ability to zoom in and pan with the camera instead of modifying the objects on the screen was really nice to have. I also had some little experience with the built in Android's Canvas, mainly with viewing simple bitmaps, but I'm not sure if it supports all of these things, and especially if it would provide smooth results. Last but no least, there's the option of just plain OpenGLES 1 or 2, that as far as I understand, with enough work should be able to support all the features I require. However it seems like something that would be hard to implement. And I've never programmed in OpenGL or anything like it, but I'm willing very much to learn. To sum it all up, I need a platform that would provide me with the ability to do the 3 things I mentioned before, but also very important - To allow me to implement this feature as fast as possible. Any kind of answer or suggestion would be very much welcomed as I'm very eager to solve this problem! Thanks!

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