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• Unable to create website error (NEW)

  - by salvationishere

  I copied my ClickOnce deployment to my C:/Inetpub/ folder on my webserver and I deleted my Virtual directory. I deleted the WpfApplication1 folder beneath wwwroot in Win Explorer. Then I turned on Web Sharing for this folder. Then I viewed my IIS Manager and this new Share name appeared under wwwroot. So now under Inetpub folder on my web server I have the following directory path: C:\Inetpub\WpfApplication1\ with contents: Application Files publish.htm setup.exe WpfApplication1.application Next, I remapped both the publishing and installation URL's for the project to http://myserver/WpfApplication1/ And I clicked Publish Now. But after I performed a Publish Now operation, I got the following error on my development server (D610-M): Error 1 Failed to connect to 'http://myserver/WpfApplication1/' with the following error: Unable to create the Web site 'http://myserver/WpfApplication1/'. The Web server does not appear to have any authentication methods enabled. It asked for user authentication, but did not send a WWW-Authenticate header. 1 1 WpfApplication1 On my webserver, when I click Browse from the IIS Manager on the WpfApplication1 directory, it shows me the Install page. But after I click the Browse button, it returns an error which says: The remote name could not be resolved: 'd610-m' (D610-M is the name of my development server). How do I fix this?

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• The "first past the post election" query problem

  - by MPelletier

  This problem may seem like school work, but it isn't. At best it is self-imposed school work. I encourage any teachers to take is as an example if they wish. "First past the post" elections are single-round, meaning that whoever gets the most votes win, no second rounds. Suppose a table for an election. CREATE TABLE ElectionResults ( DistrictHnd INTEGER NOT NULL, PartyHnd INTEGER NOT NULL, CandidateName VARCHAR2(100) NOT NULL, TotalVotes INTEGER NOT NULL, PRIMARY KEY DistrictHnd, PartyHnd); The table has two foreign keys: DistrictHnd points to a District table (lists all the different electoral districts) and PartyHnd points to a Party table (lists all the different political parties). I won't bother with other tables here, joining them is trivial. This is just a wee bit of context. The question: What SQL query will return a table listing the DistrictHnd, PartyHnd, CandidateName and TotalVotes of the winners (max votes) in each District? This does not suppose any particular database system. If you wish to stick to a particular implementation of SQL, go the way of SQLite and MySQL. If you can devise a better schema (or an easier one), that is acceptable too. Criteria: simplicity, portability to other databases.

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• Any good tools or tips for fuzz testing Windows forms applications?

  - by Ogre Psalm33

  I'm maintaining a ~300K LOC C# legacy thick-client application with a Windows.Forms interface. The app is full of little bugs and quirks. For example, I recently discovered a bug where if a users edits and tabs (not clicks) through cells on a DataViewGrid, and leaves the a certain cell selected, the app gets an "Object reference not set to an instance of an object" exception. I discover (or get a bug report of) something new like this about every week or two. I've had enough, and was thinking of trying some sort of fuzz testing on the application to try to ferret out undiscovered issues. If I roll-my-own fuzz testing, I'd assume I at least need to be able to generate test harnesses that run pieces of my app (main window, FormX, FormY, FormZ, ...) independently and try to inject events into them. I was trying to look for tools suited for this, but so far have come up with nothing for Win Forms. (There seems to be no shortage of fuzz testing tools for web apps, however). Any helpful ideas?

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• Help me find an appropriate ruby/python parser generator

  - by Geo

  The first parser generator I've worked with was Parse::RecDescent, and the guides/tutorials available for it were great, but the most useful feature it has was it's debugging tools, specifically the tracing capabilities ( activated by setting $RD_TRACE to 1 ). I am looking for a parser generator that can help you debug it's rules. The thing is, it has to be written in python or in ruby, and have a verbose mode/trace mode or very helpful debugging techniques. Does anyone know such a parser generator ? EDIT: when I said debugging, I wasn't referring to debugging python or ruby. I was referring to debugging the parser generator, see what it's doing at every step, see every char it's reading, rules it's trying to match. Hope you get the point. BOUNTY EDIT: to win the bounty, please show a parser generator framework, and illustrate some of it's debugging features. I repeat, I'm not interested in pdb, but in parser's debugging framework. Also, please don't mention treetop. I'm not interested in it.

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• The Coolest Parts of Windows API

  - by Andreas Rejbrand

  I have noticed that there are quite a few community wikis about "Tips & Tricks" or "Hidden Features" in programming languages and APIs here at Stack Overflow. But I could not find any about my own personal favourites: Win32 API and Delphi. Therefore I start my "own" CW about Win32 API. There are (at least) two kinds of Win API users: those that have been brought up using Windows API in C/C++, and those that have been brought up using some level of abstraction above the Windows API. I belong to the latter category, being brought up using Delphi's VCL. But over the last five years, I have become increasingly interested in the underlaying API of the Windows operating system, and today I work a lot with it. Depending on which category a programmer belongs to, he (or possibly she) will think that different things are "cool" in the Windows API. For instance, whereas a VCL-brought up developer might think it it very cool to var errIcon: HICON; begin errIcon := LoadIcon(0, IDI_ERROR); DrawIcon(Canvas.Handle, 10, 10, errIcon), a programmer brought up using Windows API in C will not be as impressed. But no matter how you are "brought up": what are the coolest "tricks" in Windows API? I start by listing a few of my own favourites, some of which are more "cool" than "useful", though: LoadIcon and MessageBeep can load/play system default icons and sounds. Open the CD tray: mciSendString('Set cdaudio door open wait', nil, 0, 0); Fade out the screen (Windows Vista and later) and turn of the monitor: SendMessage(Application.Handle, WM_SYSCOMMAND, SC_MONITORPOWER, 2); GetWindowDC(GetDesktopWindow) returns the DC of the desktop.

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• WPF User Control is causing Out of Memory Exception

  - by Chairman Meow

  Looking for a free spell checking solution, I thought I was so smart in doing this but I guess not. I have created a windows form based application and I want the form to add a user specified amount of user controls (with textboxes) on to a panel. The user can then click some button and the controls on this panel are cleared and new ones are added. The user does something and the process is repeated. Now, I wanted these textboxes to support spell checking and looked all over for a free solution. WPF textboxes support spell checking where the ones in regular win forms do not. I thought I would be able to use these WPF textboxes by adding them to an ElementHost object which is, in turn, within a panel. This panel would be a user control. So, in my application, I would be able to add instances of these user controls onto the form and make use of .NET's spell checking goodness. This actually worked but after using the application for a while, found that the application would eventually freeze on me due to out of memory errors. I have pinpointed the memory errors to these WPF controls since this problem does not happen with normal textboxes. When the window is opened and the number of controls is specified, this is pretty much how the controls are added: Dim xOffset As Integer = 0 For i As Integer = 0 To theNumber Dim myUserControl As New SpecialUserControl() myPanel.Controls.Add(myUserControl) myUserControl.Location = New Point(7, 7) myUserControl.Location = New Point(xOffset, 7) xOffset = xOffset + 207 Next Note that: myPanel is a panel on a form SpecialUserControl is the user control with WPF textbox (within an ElementHost object) When the user pressed a button, the panel is cleared: myUserControl.Controls.Clear() The user can then repeat the process. There are a lot of results on the internet when I tried to find a solution and I'm thinking that the problem I am having is due to the fact that the WPF control is not going away even after clearing the panel. Following this conclusion, I have tried different solutions regarding disposing these controls or setting them to nothing but the memory problem keeps occurring. If someone could give me some advice or ideas here, I'd really appreciate it.

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• Why is the 'Named Domain Class' tool missing in the DSL Designer category in the toolbox ?

  - by Gishu

  I have the Domain-Specific development with VS DSL Tools book by Cook, Jones, et.all The book and various tutorials online mention a NamedDomainClass tool that should be present in the DSL Designer toolbox. I have installed VS 2010 beta 2 on Win XP - however this tool is missing in the toolbox. I've created a project using the Minimal project template as mentioned in the book. I have 12 tools showing up including the Domain Class tool. I've searched online and apparently no one else has this problem. Can someone confirm that it's missing in VS 2010 Beta 2? If not how can I get it to show up ? Is there any way in which I can add a Domain class instance and tweak it so that it becomes a Named Domain Class? The book mentions that there is some must-be-unique validation and serialization changes that are done by the NamedDomainClass tool. I've tried 'Choose Items' context menu on the DSL Designer category. These tools apparently are added dynamically ; do not show up in the lists on the dialog that comes up.

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• If 'Architect' is a dirty word - what's the alternative; when not everyone can actually design a goo

  - by Andras Zoltan

  Now - I'm a developer first and foremost; but whenever I sit down to work on a big project with lots of interlinking components and areas, I will forward-plan my interfaces, base classes etc as best I can - putting on my Architect hat. For a few weeks I've been doing this for a huge project - designing whole swathes of interfaces etc for a business-wide platform that we're developing. The basic structure is a couple of big projects that consists of service and data interfaces, with some basic implementations of all of these. On their own, these assemblies are useless though, as they are simply intended intended as a scaffold on which to build a business-specific implementation (we have a lot of businesses). Therefore, the design of the core platform is absolutely crucial, since consumers of the system are not intended to know which implementation they are actually using. In the past it's not worked so well, but after a few proof-of-concepts and R&D projects this new platform is now growing nicely and is already proving itself. Then somebody else gets involved in the project - he's a TDD man who sees code-level architecture as an irrelevance and is definitely from the camp that 'architect' is a dirty word - I should add that our working relationship is very good despite this :) He's open about the fact that he can't architect in advance and obviously TDD really helps him because it allows him to evolve his systems over time. That I get, and totally understand; but it means that his coding style, basically, doesn't seem to be able to honour the architecture that I've been putting in place. Now don't get me wrong - he's an awesome coder; but the other day he needed to extend one of his components (an implementation of a core interface) to bring in an extra implementation-specific dependency; and in doing so he extended the core interface as well as his implementation (he uses ReSharper), thus breaking the independence of the whole interface. When I pointed out his error to him, he was dismayed. Being test-first, all that mattered to him was that he'd made his tests pass, and just said 'well, I need that dependency, so can't we put it in?'. Of course we could put it in, but I was frustrated that he couldn't see that refactoring the generic interface to incorporate an implementation-specific feature was just wrong! But it is all very Charlie Brown to him (you know the sound the adults make when they're talking to the children) - as far as he's concerned we don't need to worry about it because we can always refactor. The problem is, the culture of test-write-refactor is all very well and good - but not when you're dealing with a platform that is going to be shared out among so many projects that you could never get them all in one place to make the refactorings work. In my opinion, sometimes you actually have to think about what you're doing, and not just let nature take its course. Am I simply fulfilling the role of Architect as a dirty word here? I believe that architecture is important and should be thought about before code gets written; unless it's a particularly small project. But when you're working in a team of people who don't think that way, or even can't think that way how can you actually get this across? Is it a case of simply making the architecture off-limits to changes by other people? I don't want to start having bloody committees just to be able to grow the system; but equally I don't want to be the only one responsible for it all. Do you think the architect role is a waste of time? Is it at odds with TDD and other practises? Can this mix of different practises be made to work, or should I just be a lot less precious (and in so doing allow a generic platform become useless!)? Or do I just lay down the law? Any ideas/experiences/views gratefully received.

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• Self - hosted WCF server and SSL

  - by jitm

  Hello, There is self - hosted WCF server (Not IIS), and was generated certificates (on the Win Xp) using command line like makecert.exe -sr CurrentUser -ss My -a sha1 -n CN=SecureClient -sky exchange -pe makecert.exe -sr CurrentUser -ss My -a sha1 -n CN=SecureServer -sky exchange -pe These certificates was added to the server code like this: serviceCred.ServiceCertificate.SetCertificate(StoreLocation.LocalMachine, StoreName.My, X509FindType.FindBySubjectName, "SecureServer"); serviceCred.ClientCertificate.SetCertificate(StoreLocation.LocalMachine, StoreName.My, X509FindType.FindBySubjectName, "SecureClient"); After all previous operation I created simple client to check SSL connection to the server. Client configuration: <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.serviceModel> <bindings> <basicHttpBinding> <binding name="BasicHttpBinding_IAdminContract" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <security mode="TransportCredentialOnly"> <transport clientCredentialType="Basic"/> </security> </binding> </basicHttpBinding> </bindings> <client> <endpoint address="https://myhost:8002/Admin" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IAdminContract" contract="Admin.IAdminContract" name="BasicHttpBinding_IAdminContract" /> </client> </system.serviceModel> </configuration> Code: Admin.AdminContractClient client = new AdminContractClient("BasicHttpBinding_IAdminContract"); client.ClientCredentials.UserName.UserName = "user"; client.ClientCredentials.UserName.Password = "pass"; var result = client.ExecuteMethod() During execution I receiving next error: The provided URI scheme 'https' is invalid; expected 'http'.\r\nParameter name: via Question: How to enable ssl for self-hosted server and where should I set - up certificates for client and server ? Thanks.

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• Possible Data Execution Prevention (DEP) problem in Windows 7

  - by Joel in Gö

  I have a serious problem with my .Net program. It calls a native dll, and then crashes instantly because it can't find a native method. This is behaviour we have seen before, whereby the C# compiler, in its infinite wisdom, sets the flag that the program is DEP compatible, even if it calls a native dll which patently is not. We have the standard workaround for this, where the flag is set to Not DEP Compatible in a post-build step, and this works fine. Everywhere except on my machine. I have Windows 7 32bit, and the program works fine on the Win 7 64bit machines that we have, as well as on Vista and XP; we have not yet been able to check on another Win7 32bit. However, on my machine the DataExecutionPolicy_SupportPolicy is 0, i.e. we have successfully switched DEP off. Does anyone know whether there is some situation in which it can still act? Or any other mechanism which could have the same effect? The dll in question also works fine when called from a native program. We are running out of ideas... any help would be much appreciated!

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• Deploying .NET COM dll, getting error (0x80070002)

  - by Brett

  I have a .NET COM assembly I am attempting to deploy to a web server (IIS 6 Win 2003). We have successfully deployed this assembly to our test environment, but the production environment is not working. The assembly is being called from a classic ASP page. Every time that page tries to initialize the assembly with “Set LTMRender = CreateObject("LTMRender.Render")”, I get an error “Error Type:, (0x80070002)”. This error seems to indicate a permission denied, or file not found type problem. I created a test app to see if the assembly works outside of the web page. The .exe initializes the assembly, and then makes a call designed to fail which in turn causes the assembly to produce a log file. It works if I run the .exe in the same folder as the assembly, but fails if I run it elsewhere. For some reason, the assembly is not accessible from outside it’s folder. I can’t figure out why this won’t work. Things I have confirmed: The deployment folder has adequate permissions. We have confirmed that the folder the assembly in installed in has the correct permissions for all the necessary user accounts. The Assembly is signed with a strong name, and was registered with regasm.exe C:_WebSites\LTMRender\LTMRender.dll /codebase /tlb:C:_WebSites\LTMRender\LTMRender.tlb. Regasm reported success. The Assembly has the attribute and relevant GUID’s set correctly. Any tips? EDIT We ran filemon against my testapp.exe and it seems to have indicated what the problem is. When testapp.exe runs in D:_websites\DocWebV2\ or D:_websites\DocWebV2\ LTMRender\ folder, it succeeds and filemon is showing D:_websites\DocWebV2\LTMRender\pinPDF.dll SUCCESS If I run my testapp.exe in the D:_websites\DocWebV2\Client – where my asp pages run, it shows D:_websites\DocWebV2\pinPDF.dll NAME NOT FOUND and then D:_websites\DocWebV2\pinPDF\pinPDF.dll FILE NOT FOUND I’m not sure why it is not looking in the correct folder if it’s under this particular folder only.

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• Silverlight unit testing. Error while running tests.

  - by 1gn1ter

  I'm using VS2010. Silverlight 4, NUnit 2.5.5, and TypeMock TypemockIsolatorSetup6.0.3.619.msi In the test project MVVM is implemented, PeopleViewModel is a ViewModel which I want to test. Please advise if you use other products for unit testing of MVVM Silverlight. Or please help to win this TypeMock. TIA This is the code of the test: [Test] [SilverlightUnitTest] public void SomeTestAgainstSilverlight() { PeopleViewModel o = new PeopleViewModel(); var res = o.People; Assert.AreEqual(15, res.Count()); } While running the test in ReSharper i get the following error: TestA.SomeTestAgainstSilverlight : Failed****************************************** *Loading Silverlight Isolation Aspects...* ****************************************** TEST RESULTS: --------------------------------------------- System.MissingMethodException : Method not found: 'hv TypeMock.ArrangeActAssert.Isolate.a(System.Delegate)'. at a4.a(ref Delegate A_0) at a4.a(Boolean A_0) at il.b() at CThru.Silverlight.SilverlightUnitTestAttribute.Init() at CThru.Silverlight.SilverlightUnitTestAttribute.Execute() at TypeMock.MockManager.a(String A_0, String A_1, Object A_2, Object A_3, Boolean A_4, Object[] A_5) at TypeMock.InternalMockManager.getReturn(Object that, String typeName, String methodName, Object methodParameters, Boolean isInjected) at Tests.TestA.SomeTestAgainstSilverlight() in TestA.cs: line 21 While running test in NUnit i get: Tests.TestA.SomeTestAgainstSilverlight: System.DllNotFoundException : Unable to load DLL 'agcore': The specified module could not be found. (Exception from HRESULT: 0x8007007E) at MS.Internal.XcpImports.Application_GetCurrentNative(IntPtr context, IntPtr& obj) at MS.Internal.XcpImports.Application_GetCurrent(IntPtr& pApp) at System.Windows.Application.get_Current() at ViewModelExample.ViewModel.ViewModelBase.get_IsDesignTime() in C:\Documents and Settings\USER\Desktop\ViewModelExample\ViewModelExample\ViewModel\ViewModelBase.cs:line 20 at ViewModelExample.ViewModel.PeopleViewModel..ctor(IServiceAgent serviceAgent) in C:\Documents and Settings\USER\Desktop\ViewModelExample\ViewModelExample\ViewModel\PeopleViewModel.cs:line 28 at ViewModelExample.ViewModel.PeopleViewModel..ctor() in C:\Documents and Settings\USER\Desktop\ViewModelExample\ViewModelExample\ViewModel\PeopleViewModel.cs:line 24 at Tests.TestA.SomeTestAgainstSilverlight() in C:\Documents and Settings\USER\Desktop\ViewModelExample\Tests\TestA.cs:line 22

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• How to keep my topmost window on top?

  - by Misko Mare

  I will first explain why I need it, because I anticipate that the first response will be "Why do you need it?". I want to detect when the mouse cursor is on an edge of the screen and I don't want to use hooks. Hence, I created one pixel wide TOPMOST invisible window. I am using C++ on Win XP, so when the window is created (CreateWindowEx(WS_EX_TOPMOST | WS_EX_TRANSPARENT ...) everything works fine. Unfortunately, if a user moves another topmost window, for example the taskbar over my window, I don't get mouse movements. I tried to solve this similarly to approaches suggested in: How To Keep an MDI Window Always on Top I tried to check for Z-order of my topmost window in WM_WINDOWPOSCHANGED first with case WM_WINDOWPOSCHANGED : WINDOWPOS* pWP = (WINDOWPOS*)lParam; yet pWP-hwnd points to my window and pWP-hwndInsertAfter is 0, which should mean that my window is on the top of the Z, even though it is covered with the taskbar. Then I tried: case WM_WINDOWPOSCHANGED : HWND topWndHndl = GetNextWindow(myHandle, GW_HWNDPREV) GetWindowText(topWndHndl, pszMem, cTxtLen + 1); and I'll always get that the "Default IME" window is on top of my window. Even if try to bring my window to the top with SetWindowPos() or BringWindowToTop (), "Default IME" stays on the top. I don't know what is "Default IME" and how to detect if the taskbar is on top of my window. So my question is: How to detect that my topmost window is not the top topmost window anymore and how to keep it on the top? P.S. I know that a "brute force" approach of periodically bringing my window to the top works, yet is ugly and could have some unwanted inference with the notification window for example. (Bringing my window to the top will hide the notification window.) Thank you on your time and suggestions!

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• Image File In Text Editor - What Are The Characters? What's the Process?

  - by TheDarkIn1978

  i'm currently in the process of conceptualizing an art piece for a gallery show next year, so this bizarre question of mine is more than just simple curiosity. if i open up an image file (a .PNG) with Text Edit or Note Pad, the file is presented in textual characters. something like this except: æº"í=™?0Ù:Ã,ÏI8^?K¯pmDHƒÃ?;wÔlD DDF›ä™èÜE[E˜ƒê?¯ƒºäeèçã?'ów+æ1ï‡ê0òHõñ?ò$úîù¥{WÎn}2*Ÿ!y(Ö!%2e9U2µ i4Õ(?=ù(›7}:É?##„G¶VfcVñ[÷D6gvrˆvéZN›=Ù=ó{púp…p?Ók‹oÃvŒÛ»{ùœóüôøW†W–VH\P?P$VTPt^lQ‹_B_S=Q™\Z[Ü)s/{]Œ_û]~¯¿¯Awu˜ùä’JÖ Í*tï[’ÎáÔ=<Æ6?~ZCWSÛpVµ?±ØŒ?nÆ^¨æ??™¡?a¥ë£1µÒÁ#?Gè)G<^mRl™m?jˆj~€"“R–Úª’?u?çO-•m˜â?ìéväˆàˆOä5ùXùûù”]¬]?]›V›œ{X{Óˆ|Ô’Èm{J?4‰Èáæõ}??~Á?óºYáœåüuRFÆ>W|^3Ñ5‰94=,<ú?|1b=2< >ö:?sÃ`¨{úf<f|ÛÖ?ãÊ íâ–âè/_÷O¬}Â?Í›§Ãd’kÃkØ?sSíS? ??øy;-6]ˆ?÷ÌÌÙåËLÈ,l÷uvzNtÆt6Ô6?O ?P?_t_|°N¸]Ÿ{ƒ{è˜3KK> ?x~ò[ñ\ÆXA?x?Ãî?X? ?…°”¸™‘jÂzÕkm~]jObµ·p1°Y‚s?&b”}s?ãËóí-»ñ”÷‰?‡v?ˆ˜WõØ£??æe~;¸n?Ooáa'aÁÎÌ-ª$ª!ª~ ?¨‹CÏpÏO/Á›œ/?80<Ë<§8 can anyone explain what is happening here? are the characters some form translation of pixel data by the text editor? maybe it is completely meaningless / an error? if not, is there a name for this type of data conversion or process?

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• What is the best IDE setup for web development?

  - by Yuval A

  I am starting a little side project which consists of building a small-medium sized, django-based, website. However, last time I was actually in the business of websites, was a few good years ago. So while still technologically capable, I'm still rusted on the tools/IDE part of websites. I am looking for an IDE which can support the following: Basic HTML editing with syntax completion, highlighting, etc... Basic CSS editing with syntax completion, highlighting, etc... Python support for Django Support for the entire develop-debug-FTP upload cycle If all of this could happen inside my existing eclipse installation, it would be nothing short of perfection. So what's your recommendation on web development IDEs? EDIT: forgot to add that I'm running Win XP on my dev machine. EDIT after answers: thanks all you guys for the helpful advice. I think I'm going to go with Aptana as it fits in to eclipse which I already use. Also I will look into version control instead of simple FTP upload. Apparently I didn't know how much it is used even in web projects.

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• PHP and CURL under Windows 7 64 bits and Apache

  - by supermogx

  I'm trying to use curl with PHP on my box without any success. My Config : OS : win 7 64 bits, PHP : 5.3.1, Apache : 2.2.14 I was able to use the mysql extension, so the configuration of my php.ini seems fine. But I get and error in Apache log with curl : PHP Warning: PHP Startup: Unable to load dynamic library 'C:/php-5.3.1/ext/php_curl.dll' - The specified module could not be found.\r\n in Unknown on line 0 The file is right there, and it's loading php_mysql.dll without any problem. I tried everything : to put the dll file in apache\bin, windows\system32, put the path of the php EXT in the PATH environment variable. to put some lib (libeay.dll and sssomething.dll) in windows 32 Well, I think this might have something to do with my Windows being 64 bits or with the version of PHP.. maybe. I don't know anymore :( Any idea? Update I'm not using Wamp because I like to know what I do to my system, and ultimately choose the version that I want of apache, php and MySql. My Solution I added the path of PHP in my PATH environement variable and it worked. I'll try to find out what was the DLL needed. Update : Well it looks like it was libeay32.dll and sslleay32.dll had to be in the PATH environment variable. I added to the bin subdirectory of Apache and it worked.

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• CustomListAdapter Problem in Android? Getting ClassCast Exception? How???

  - by Praveen Chandrasekaran

  i want to improve the list view's performance. this is the code for my getView method in my Adapter? public View getView(int arg0, View text_view_name, ViewGroup parent) { try { if (text_view_name == null) { text_view_name = mInflater.inflate( R.layout.bs_content_list_item1, null); text_view_name.setTag(R.id.text1_detail1, text_view_name .findViewById(R.id.text1_detail1)); text_view_name.setTag(R.id.text3_detail1, text_view_name .findViewById(R.id.text3_detail1)); text_view_name.setTag(R.id.eve_img_detail1, text_view_name .findViewById(R.id.eve_img_detail1)); } text1 = (TextView) text_view_name.getTag(R.id.text1_detail1); // text2 = (TextView) text_view_name.getTag(R.id.text2); text3 = (TextView) text_view_name.getTag(R.id.text3_detail1); img = (ImageView) text_view_name.getTag(R.id.eve_img_detail1); text1.setText(VAL1[arg0]); text3.setText(VAL3[arg0]); if (!mBusy) { img_value = new URL(VAL4[arg0]); mIcon11 = BitmapFactory.decodeStream(img_value.openConnection() .getInputStream()); img.setImageBitmap(mIcon11); text_view_name.setTag(R.id.eve_img_detail1, null); } else { img.setImageResource(R.drawable.icon); text_view_name.setTag(R.id.eve_img_detail1, text_view_name .findViewById(R.id.eve_img_detail1)); } } catch (Exception e) { name = "Exception in MultiLine_bar_details1 getView"; Log.v(TAG, name + e); } return text_view_name; } this is the code for scrollstatechanged method: public void onScrollStateChanged(AbsListView view, int scrollState) { switch (scrollState) { case OnScrollListener.SCROLL_STATE_IDLE: try { MultiLine_bar_details1.mBusy = false; int first = view.getFirstVisiblePosition(); int count = view.getCount(); for (int i = 0; i < count; i++) { ImageView t = (ImageView) view.getChildAt(i);// here getting the ClassCastException if (t.getTag(R.id.eve_img_detail1) != null) { MultiLine_bar_details1.img_value = new URL( MultiLine_bar_details1.VAL4[first + i]); MultiLine_bar_details1.mIcon11 = BitmapFactory .decodeStream(MultiLine_bar_details1.img_value .openConnection().getInputStream()); MultiLine_bar_details1.img.setImageBitmap(MultiLine_bar_details1.mIcon11); t.setTag(R.id.eve_img_detail1, null); } } } catch (Exception e) { Log.v(TAG, "Idle" + e); } // mStatus.setText("Idle"); break; case OnScrollListener.SCROLL_STATE_TOUCH_SCROLL: MultiLine_bar_details1.mBusy = true; break; case OnScrollListener.SCROLL_STATE_FLING: MultiLine_bar_details1.mBusy = true; break; } } getting the Exception in Idle state: 05-03 16:47:15.201: VERBOSE/BS_Bars(258): Idlejava.lang.ClassCastException: android.widget.LinearLayout this is very complicated for me to get the output properly. actually i have the listview with custom adapter. that icons makes the listview scroll very slow.i am getting the images for icons from the image urls. upto this(above code) i can improve the scroll performance of my list view. but the image icons are not proper in the corresponding order. its dynamically changing when i scroll the listview.. i refered the commonsware busy coder guide and this blog. My very Big question is "How can we access the single view in scrollstatechanged parameter AbsListView? " what is the problem in it? how to do it better? Any Idea?

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• Eclipse does not start on Windows 7

  - by van

  Suddenly Eclipse today has decides to stop working. The last thing I did was close all perspectives and close Eclipse. When loading eclipse from the command prompt, using: "eclipse.exe -clean" the splash screen loads for a split second then exits. When I run the command: eclipsec -consoleLog -debug it results in the following output: Start VM: -Dosgi.requiredJavaVersion=1.6 -Dhelp.lucene.tokenizer=standard -Xms4096m -Xmx4096m -XX:MaxPermSize=512m -Djava.class.path=d:\devtools\eclipse\\plugins/org.eclipse.equinox.launcher_1.3. 0.v20130327-1440.jar -os win32 -ws win32 -arch x86_64 -showsplash d:\devtools\eclipse\\plugins\org.eclipse.platform_4.3.0.v20130605-20 00\splash.bmp -launcher d:\devtools\eclipse\eclipsec.exe -name Eclipsec --launcher.library d:\devtools\eclipse\\plugins/org.eclipse.equinox.launcher.win 32.win32.x86_64_1.1.200.v20130521-0416\eclipse_1503.dll -startup d:\devtools\eclipse\\plugins/org.eclipse.equinox.launcher_1.3.0.v201303 27-1440.jar --launcher.appendVmargs -product org.eclipse.epp.package.standard.product -consoleLog -debug -vm C:/Program Files/Java/jdk1.6.0_37/bin\..\jre\bin\server\jvm.dll -vmargs -Dosgi.requiredJavaVersion=1.6 -Dhelp.lucene.tokenizer=standard -Xms4096m -Xmx4096m -XX:MaxPermSize=512m -Djava.class.path=d:\devtools\eclipse\\plugins/org.eclipse.equinox.launcher_1.3. 0.v20130327-1440.jar Error occurred during initialization of VM Incompatible minimum and maximum heap sizes specified Checking Task Manager shows no Java process running and both the CPU and memory usage are very low. I have tried: Re-installing Eclipse Re-starting my machine But running eclipsec -consoleLog -debug from the command prompt still results in the issue: Error occurred during initialization of VM Incompatible minimum and maximum heap sizes specified

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• CustomListAdapter Problem in Android? How???

  - by Praveen Chandrasekaran

  i want to improve the list view's performance. this is the code for my getView method in my Adapter? public View getView(int arg0, View text_view_name, ViewGroup parent) { try { if (text_view_name == null) { text_view_name = mInflater.inflate( R.layout.bs_content_list_item1, null); text_view_name.setTag(R.id.text1_detail1, text_view_name .findViewById(R.id.text1_detail1)); text_view_name.setTag(R.id.text3_detail1, text_view_name .findViewById(R.id.text3_detail1)); text_view_name.setTag(R.id.eve_img_detail1, text_view_name .findViewById(R.id.eve_img_detail1)); } text1 = (TextView) text_view_name.getTag(R.id.text1_detail1); // text2 = (TextView) text_view_name.getTag(R.id.text2); text3 = (TextView) text_view_name.getTag(R.id.text3_detail1); img = (ImageView) text_view_name.getTag(R.id.eve_img_detail1); text1.setText(VAL1[arg0]); text3.setText(VAL3[arg0]); if (!mBusy) { img_value = new URL(VAL4[arg0]); mIcon11 = BitmapFactory.decodeStream(img_value.openConnection() .getInputStream()); img.setImageBitmap(mIcon11); text_view_name.setTag(R.id.eve_img_detail1, null); } else { img.setImageResource(R.drawable.icon); text_view_name.setTag(R.id.eve_img_detail1, text_view_name .findViewById(R.id.eve_img_detail1)); } } catch (Exception e) { name = "Exception in MultiLine_bar_details1 getView"; Log.v(TAG, name + e); } return text_view_name; } this is the code for scrollstatechanged method: public void onScrollStateChanged(AbsListView view, int scrollState) { switch (scrollState) { case OnScrollListener.SCROLL_STATE_IDLE: try { MultiLine_bar_details1.mBusy = false; int first = view.getFirstVisiblePosition(); int count = view.getCount(); for (int i = 0; i < count; i++) { ImageView t = (ImageView) view.getChildAt(i); if (t.getTag(R.id.eve_img_detail1) != null) { MultiLine_bar_details1.img_value = new URL( MultiLine_bar_details1.VAL4[first + i]); MultiLine_bar_details1.mIcon11 = BitmapFactory .decodeStream(MultiLine_bar_details1.img_value .openConnection().getInputStream()); MultiLine_bar_details1.img.setImageBitmap(MultiLine_bar_details1.mIcon11); t.setTag(R.id.eve_img_detail1, null); } } } catch (Exception e) { Log.v(TAG, "Idle" + e); } // mStatus.setText("Idle"); break; case OnScrollListener.SCROLL_STATE_TOUCH_SCROLL: MultiLine_bar_details1.mBusy = true; break; case OnScrollListener.SCROLL_STATE_FLING: MultiLine_bar_details1.mBusy = true; break; } } this is very complicated for me to get the output properly. actually i have the listview with custom adapter. that icons makes the listview scroll very slow.i am getting the images for icons from the image urls. upto this(above code) i can improve the scroll performance of my list view. but the image icons are not proper in the corresponding order. its dynamically changing when i scroll the listview.. i refered the commonsware busy coder guide and this blog. My very Big question is "How can we access the single view in scrollstatechanged parameter AbsListView? " what is the problem in it? how to do it better? Any Idea?

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• Is the Unix Philosophy still relevant in the Web 2.0 world?

  - by David Titarenco

  Introduction Hello, let me give you some background before I begin. I started programming when I was 5 or 6 on my dad's PSION II (some primitive BASIC-like language), then I learned more and more, eventually inching my way up to C, C++, Java, PHP, JS, etc. I think I'm a pretty decent coder. I think most people would agree. I'm not a complete social recluse, but I do stuff like write a virtual machine for fun. I've never taken a computer course in college because I've been in and out for the past couple of years and have only been taking core classes; never having been particularly amazing at school, perhaps I'm missing some basic tenet that most learn in CS101. I'm currently reading Coders at Work and this question is based on some ideas I read in there. A Brief (Fictionalized) Example So a certain sunny day I get an idea. I hire a designer and hammer away at some C/C++ code for a couple of months, soon thereafter releasing silvr.com, a website that transmutes lead into silver. Yep, I started my very own start-up and even gave it a clever web 2.0 name with a vowel missing. Mom and dad are proud. I come up with some numbers I should be seeing after 1, 2, 3, 6, 9, 12 months and set sail. Obviously, my transmuting server isn't perfect, sometimes it segfaults, sometimes it leaks memory. I fix it and keep truckin'. After all, gdb is my best friend. Eventually, I'm at a position where a very small community of people are happily transmuting lead into silver on a semi-regular basis, but they want to let their friends on MySpace know how many grams of lead they transmuted today. And they want to post images of their lead and silver nuggets on flickr. I'm losing out on potential traffic unless I let them log in with their Yahoo, Google, and Facebook accounts. They want webcam support and live cock fighting, merry-go-rounds and Jabberwockies. All these things seem necessary. The Aftermath Of course, I have to re-write the transmuting server! After all, I've been losing money all these months. I need OAuth libraries and OpenID libraries, JSON support, and the only stable Jabberwocky API is for Java. C++ isn't even an option anymore. I'm just one guy! The Java binary just grows and grows since I need some legacy Apache include for the JSON library, and some antiquated Sun dependency for OAuth support. Then I pick up a book like Coders at Work and read what people like jwz say about complexity... I think to myself.. Keep it simple, stupid. I like simple things. I've always loved the Unix Philosophy but even after trying to keep the new server source modular and sleek, I loathe having to write one more line of code. It feels that I'm just piling crap on top of other crap. Maybe I'm naive thinking every piece of software can be simple and clever. Maybe it's just a phase.. or is the Unix Philosophy basically dead when it comes to the current state of (web) development? I'm just kind of disheartened :(

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• Convert MFC Doc/View to?

  - by Harvey

  My question will be hard to form, but to start: I have an MFC SDI app that I have worked on for an embarrassingly long time, that never seemed to fit the Doc/View architecture. I.e. there isn't anything useful in the Doc. It is multi-threaded and I need to do more with threading, etc. I dream about also porting it to Linux X Windows, but I know nothing about that programming environment as yet. Maybe Mac also. My question is where to go from here? I think I would like to convert from MFC Doc/View to straight Win API stuff with message loops and window procedures, etc. But the task seems to be huge. Does the Linux X Windows environment use a similar kind of message loop, window procedure architecture? Can I go part way? Like convert a little at a time without rendering my program unusable for long periods of work? What is the best book to read to help me to move in that direction.

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• System.OutOfMemoryException was thrown. at Go60505(RegexRunner ) at System.Text.RegularExpressions.C

  - by Deanvr

  Hi All, I am a c# dev working on some code for a website in vb.net. We use a lot of caching on a 32bit iss 6 win 2003 box and in some cases run into OutOfMemoryException exceptions. This is the code I trace it back to and would like to know if anyone else has has this... Public Sub CreateQueryStringNodes() 'Check for nonstandard characters' Dim key As String Dim keyReplaceSpaces As String Dim r As New Regex("^[-a-zA-Z0-9_]+$", RegexOptions.Compiled) For Each key In HttpContext.Current.Request.Form If Not IsNothing(key) Then keyReplaceSpaces = key.Replace(" ", "_") If r.IsMatch(keyReplaceSpaces) Then CreateNode(keyReplaceSpaces, HttpContext.Current.Request(key)) End If End If Next For Each key In HttpContext.Current.Request.QueryString If Not IsNothing(key) Then keyReplaceSpaces = key.Replace(" ", "_") If r.IsMatch(keyReplaceSpaces) Then CreateNode(keyReplaceSpaces, HttpContext.Current.Request(key).Replace("--", "-")) End If End If Next End Sub .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053 error: Exception of type 'System.OutOfMemoryException' was thrown. at Go60505(RegexRunner ) at System.Text.RegularExpressions.CompiledRegexRunner.Go() at System.Text.RegularExpressions.RegexRunner.Scan(Regex regex, String text, Int32 textbeg, Int32 textend, Int32 textstart, Int32 prevlen, Boolean quick) at System.Text.RegularExpressions.Regex.Run(Boolean quick, Int32 prevlen, String input, Int32 beginning, Int32 length, Int32 startat) at System.Text.RegularExpressions.Regex.IsMatch(String input) at Xcite.Core.XML.Write.CreateQueryStringNodes() at Xcite.Core.XML.Write..ctor(String IncludeSessionAndPostedData) at mysite._Default.Page_Load(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at thanks

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• Modify loggingConfiguration Programmatic (enterprise library)

  - by alhambraeidos

  Hi all, I have app.config in m win application, and loggingConfiguration section (enterprise library 4.1). I need do this programatically, Get a list of all listener in loggingConfiguration Modify property fileName=".\Trazas\Excepciones.log" of several RollingFlatFileTraceListener's Modify several properties of AuthenticatingEmailTraceListener listener, Any help, please, I havent found any reference or samples Thanks in advanced. Greetings <listeners> <add name="Excepciones RollingFile Listener" fileName=".\Trazas\Excepciones.log" formatter="Text Single Formatter" footer="&lt;/Excepcion&gt;" header="&lt;Excepcion&gt;" rollFileExistsBehavior="Overwrite" rollInterval="None" rollSizeKB="1500" timeStampPattern="yyyy-MM-dd" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.RollingFlatFileTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" traceOutputOptions="None" filter="All" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.RollingFlatFileTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" /> <add name="AuthEmailTraceListener" type="zzzz.Frk.Logging.AuthEmailTraceListener.AuthenticatingEmailTraceListener, zzzz.Frk.Logging.AuthEmailTraceListener" listenerDataType="zzzz.Frk.Logging.AuthEmailTraceListener.AuthenticatingEmailTraceListenerData, zzzz.Frk.Logging.AuthEmailTraceListener" formatter="Exception Formatter" traceOutputOptions="None" toAddress="[email protected]" fromAddress="[email protected]" subjectLineStarter=" Excepción detectada - " subjectLineEnder="incidencias" smtpServer="smtp.gmail.com" smtpPort="587" authenticate="true" username="[email protected]" password="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" enableSsl="true" />

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• Want to show file association icon and skype like progress bar c#

  - by Thomas

  whenever user drag any file onto skype chat textbox then skype show right icon for that file and one custom progress bar rounded corner. i have 4 questions 1) i am working with win application not WPF. i like to know how to develop skype like corner progressbar. i search lot google to find out skype like progressbar. so if anyone knows how to develop that kind of progress bar then please share that knowledge or give me any url from where i can download similar look progressbar. 2) when i drag any file onto my richtextbox then how could i show right icon for that file on my richtextbox. anyone can give me idea. 3) what kind of richtextbox skype use? is there any advance richtextbox library which i can use for showing picture or button etc. 4) skype shows button on chat textbox called Cancel......is it button or any image. when user click on that button then button respond accordingly. so just tell me how could place any button on my rich textbox and when i will click on that button then a event should fire at my end. any idea. here i attach a picture from where you can see the image of progressbar that i am looking for. how i want to show the progress button and file associated icon on richtextbox. the object behind attaching the image is other person can understand what is my requirement and what i want to know. please anyone give me the idea for my above 4 points. thanks

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• Windows Form user control hosted in WPF - How to capture the leave event?

  - by OKB

  Hi, In my WPF application I'm hosting a custom Windows Form User Control together with other wpf controls. My custom user control is hosted in wpf using a WindowsFormsHost control. This custom user control contains (the parent so to speak) other custom win form controls (children controls). The children controls can be single or composite controls. How can I capture the leave event on a child control when the user navigates from the last child user control in the parent custom user control to a wpf user control? According to MSDN (http://msdn.microsoft.com/en-us/library/ms751797.aspx) the leave event is not supported in following scenarios: Enter and Leave events are not raised when the following focus changes occur: 1. From inside to outside a WindowsFormsHost control. 2. From outside to inside a WindowsFormsHost control. 3. Outside a WindowsFormsHost control. 4. From a Windows Forms control hosted in a WindowsFormsHost control to an ElementHost control hosted inside the same WindowsFormsHost. Scenario 1 and 2 is exactly what I struggle with. Do you have any solution to this problem? Some workaround or anything is appreciated:) Best Regards, OKB

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