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• Good projects to learn OCaml and F#

  - by Yin Zhu

  After learning the basic syntax, reading some non-trivial code is a fast way to learn a language. We can also learn how to design a library/software during reading others' code. I have following lists. A Chess program in OCaml by Tomek Czajka. Hal Daumé has written several machine learning libraries in Ocaml. Including decision trees, logistic regression and SVM. All of them are near-production-quality code. A Chess Game Analysis program in F# in Microsoft Research. The above three are my favorites. Will you suggest some other sources? General purpose open source software are good, specialized open source like the three I list here are even more welcome.

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• Visual Studio Add-in to view open files

  - by pfunk

  I frequently have 10 or more files open in Visual Studio at one time. I am looking for an add-in that will duplicate the functionality of the "Windows" Window, but in a NON-Modal, dockable type window. In other words a window with a list of the files open in the IDE, that I can dock next to the Solution explorer or something, and just click on to switch to that open file (if anyone has ever used Textpad, the Document Selector is exactly what I am talking about). Anyone seen an Add-in like that? Note: I am NOT talking about another Window Layout manager

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• create a wav file from multiple wav files in delphi

  - by Bayu

  i' ve a problem in doing my final project... i'm having trouble with how to save multiple wav files into 1 wav file.. let's take an example: i have 3 wav files which are the syllables of the word "hospital" : "hos.wav", "pi.wav", and "tal.wav" (sorry if i'm wrong in determining the syllables of the words).. each of those syllable wav files contains utterances of the syllables of the word "hospital" respectively.. my task is to merge those files so that the word hospital could be reproduced from those files. and then to save the merged file to be a new wav file, let say "hospital.wav"..I've done my first task, but not with my second task... does anyone can help me? thx b4..

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• Large file upload into WSS v3

  - by Rubens Farias

  I'd built an WSSv3 application which upload files in small chunks; when every data piece arrives, I temporarly keep it into a SQL 2005 image data type field for performance reasons**. Problem come when upload ends; I need to move data from my SQL Server to Sharepoint Document Library through WSSv3 object model. Right now, I can think two approaches: SPFileCollection.Add(string, (byte[])reader[0]); // OutOfMemoryException and SPFile file = folder.Files.Add("filename", new byte[]{ }); using(Stream stream = file.OpenBinaryStream()) { // ... init vars and stuff ... while ((bytes = reader.GetBytes(0, offset, buffer, 0, BUFFER_SIZE)) 0) { stream.Write(buffer, 0, (int)bytes); // Timeout issues } file.SaveBinary(stream); } Are there any other way to complete successfully this task? ** Performance reasons: if you tries to write every chunk directly at Sharepoint, you'll note a performance degradation as file grows up (100Mb).

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• Which c# project files should I version control?

  - by DTown

  I have a project I'm looking to manually manage via perforce version control as I only have the Express edition. What I'm looking for is which files should be excluded in the version control as locking many of the files can result in a problem for visual studio compiling and debugging. What I have, so far, included. .cs files (except properties folder) .resx files .csproj files Excluded bin folder obj folder Properties folder .user file Let me know if there is something more that should be included that I have excluded or if there is a better way to do this.

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• file_get_contents() returns "failed to open stream" when used with Facebook access_token flow

  - by TMC

  file_get_contents() is returning "failed to open stream" when I call it on a Facebook oAuth access_token URL. Warning: file_get_contents(https://graph.facebook.com/oauth/access_token?client_id=XXXXX&redirect_uri=http://mydomain.com/fb/callback3.php&client_secret=xxxx&code=YYYY) [function.file-get-contents]: failed to open stream: No error in E:\\htdocs\fb\callback3.php on line 5 (I have removed ClientID, clientSecret and the oAuth Code). If I try to manually hit the Facebook access_token URL that my code is attempting to fetch, I get an actual payload returned in the browser: access_token=XYZ&expires=6508 (where XYZ is the access token) So for some reason, there is a problem with the access_token URL specifically when used with file_get_contents(). At first, I thought it was a security issue with my webhoster, but I have verified with phpinfo() that allow url open is indeed allowed. I have also tried this code and verified it works: $foo = file_get_contents('http://google.com'); echo $foo Anyone have any ideas why file_get_contents() is failing with the Facebook access_token URL?

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• How to organize a large number of objects

  - by shane

  We have a large number of documents and metadata (xml files) associated with these documents. What is the best way to organize them? Currently we put them into a series of nested folders: /repository/category/date(when they were loaded into our db)/document_number.pdf and .xml We use the path as a unique identifier for the document in our system. This is more versatile than putting them all in a single flat folder. also it is independent from our database/application, so we can reload them in case of failure. Yet, it introduces some limitations. for example we can't move the files once they've been placed in this structure, also it takes work to put them this way. What is the best practice? How websites such as Scribd deal with this problem?

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• Having py2exe include my data files (like include_package_data)

  - by cool-RR

  I have a Python app which includes non-Python data files in some of its subpackages. I've been using the include_package_data option in my setup.py to include all these files automatically when making distributions. It works well. Now I'm starting to use py2exe. I expected it to see that I have include_package_data=True and to include all the files. But it doesn't. It puts only my Python files in the library.zip, so my app doesn't work. How do I make py2exe include my data files?

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• Cost of using ASP.NET

  - by Mackristo

  One thing that I keep hearing in reference to ASP.NET and MSFT technologies is that they cost money to use. Often when they are being compared to open source languages someone will mention that one factor in favor of open source is that it's free (to an extent). My question is, when does ASP.NET actually cost money to use in terms of using the proprietary technology? Understandably there are the hosting fees, but I'm curious about the fees outside of these hosting fees. I'm especially curious about this as it relates one-person smaller-site development (non-team/large enterprise). Any help is appreciated. (edits) Some excellent answers. Much appreciated The projects that I'm looking to use the technologies for would be personal sites and very small business sites (1 or 2). The intent would of course be that these projects get much bigger. It seems that for commercial production, fees will apply. What about just basic dynamic "shared hosting" sites that provide information?

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• scvmap, disco, xsd, wsdl, svcinfo and datasource files

  - by David Gray Wright

  We have a WEb Service named, let's say Foo. So there is a Foo.svc file and a code behind Foo.svc.cs. We add a silverlight project and wish to use the Foo.svc services so we add a Service Reference and call it's namespace FooBar. This creates the following files : Reference.cs Reference.svcmap Foo.xsd Foo.disco configuration.svcinfo Foo.wsdl Also various *.datasource files. Over time we update the Foo.svc and add more Web Services (methods and interfaces) and the number of files in the FooBar directory is growing. I have 26 Foo(nn).xsd files in this directory - where nn = 1 to 26. My configuration.svcinfo is upto configuration91.svcinfo. My question is this? Do any of these files need to be version controlled? Can they all be deleted each time you do a build \ deploy (as long as you do an update service reference)?

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• how to open Excel sheet with full access in c#

  - by Lalit

  open Excel sheet with full privileged in c#. it is not allowing me to read. asking for uname and pwd when i deploye my c# application in iis. i have write this code for open Excel : please review Excel.ApplicationClass app = new Excel.ApplicationClass(); Excel.Workbook workbook = app.Workbooks.Open( strSheetPath, 0, true, 5, "", "", true, Excel.XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0 ); Excel.Worksheet worksheet = (Excel.Worksheet)workbook.ActiveSheet; Excel.Range rng = null; Excel.CellFormat format; rng = worksheet.get_Range("A2", Missing.Value); rng = rng.get_End(Excel.XlDirection.xlToRight); rng = rng.get_End(Excel.XlDirection.xlDown);

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• window.open function in HREF TAG not working

  - by Rahul

  Hi All, I am trying to open popup using window.open finction but somehow it's not working ... well below is the code string properties = "left=250px, top=245px, width=700px, height=450px,scrollbars=yes, status=yes, resizable=yes"; TableCell cell = new TableCell(); cell.Text = "<a href=\"javascript:void(window.open('details.aspx?node="+node+"','"+properties+"'))\">" + "View Details</a>"; But his is not working. While clicking the anchor tag getting javascript error "Invalid argument". Please tell where am I going wrong? Thanks, Rahul

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• Viewing large text file in a browser

  - by MeLight

  Hi, I need to write a text file viewer (not the directory tree, but the actual file contents) for use in a browser. It will be used to view large files. I want to give the user the ability to actually ummm, browse the file, ie prev page & next page buttons, while each page will show only a portion of the file. Two question: Is there anyway to pass the file descriptor through POST (or something) so that on each page I can keep reading from an already open file, and not starting all over again (again - huge files) Is there a way to read the file backwards? Will be very useful for browsing back in a file. Any other implementation ideas are very welcome. Thanks

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• AppleScript to open URL in Safari crashes for Flash-based websites

  - by Mark

  I'm trying to open a URL in Safari. It works fine for websites without Flash embedded, but crashes Safari for Flash sites. Example (this WORKS): tell application "Safari" to open location "http://google.com" This CRASHES when Safari is not already running: tell application "Safari" to open location "http://grooveshark.com" Two things I noticed: Safari only crashes for websites with embedded Flash The script above only crashes if a new instance of Safari is created (i.e. Safari was not running before) From the second observation I assume that it could be a permission issue of some sort. Maybe the Safari instance launched from the AppleScript has a problem loading plugins?

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• Spring Webflow in Grails keeping plenty of hibernate sessions open

  - by Pavel P

  Hi, I have an Internet app running on Grails 1.1.2 and it integrates Spring WebFlow mechanism. The problem is that there are some bots ignoring robots.txt and are entering the flow quite often. Because second step of the flow needs some human intelligence, the bot leaves open flow after the first step. This causes a lot of open flows which leades to a lot of abandoned open hibernate sessions. Do you know some common clean-up mechanism for this kind of unattended flows (plus hibernate sessions) in Grails+Spring WebFlow? Thanks, Pavel

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• Flash files are playing laggy /Jerky in screensaver

  - by yogesh-chhabra

  I have developed a screen saver for MAC OS X. Screen saver plays flash files. Whene I run screen saver on display resolution higher than 1300 X 1000 then flash files play very jerky / laggy. When I run it in low resolution then files play fine.Even flash files are playing fine in desktop application. This problem is more on 10.6 Snow Leopard. I am unable to find out the reason whether it is OS screensaver engine problem or flash files problem. I know rendering increases on high resolution but there should be solution for this problem

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• How to use in jQuery data from window.open

  - by Anton

  How to use in jQuery data from window.open w = window.open("http://google.com", 'test_window', 'left=20,top=20,width=500,height=500,toolbar=1,resizable=1'); browser = w.document; // execute commands in browser $(browser).ready(function(){ alert($('input', browser).attr('name')); }); // close browser w.close(); In this example I want to open new pop-up window, load Google page and get information about loaded page element (name of input filed). I try to do this, but not found solution. Please, help me.

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• Preventing referenced assembly PDB and XML files copied to output

  - by Jason Morse

  I have a Visual Studio 2008 C#/.NET 3.5 project with a post build task to ZIP the contents. However I'm finding that I'm also getting the referenced assemblies' .pdb (debug) and .xml (documentation) files in my output directory (and ZIP). For example, if MyProject.csproj references YourAssembly.dll and there are YourAssembly.xml and YourAssembly.pdb files in the same directory as the DLL they will show up in my output directory (and ZIP). I can exclude *.pdb when ZIP'ing but I cannot blanket exclude the *.xml files as I have deployment files with the same extension. Is there a way to prevent the project from copying referenced assembly PDB and XML files?

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• Drupal Filefield won't upload javascript files?

  - by hfidgen

  Hiya, I've got a site where individual pages might require some javascript or CSS files hooked into their heads. I'm trying to keep everything client side when it comes to managing this process, rather than getting on the FTP and sorting everything out in the code so I need to be able to upload css and js files. I've got CCK filefield up and running, and it works with css files, but it refuses to upload .js files. It instead seems to view every .js as ".js.txt" and then the file appears on the server as thisismyfile.js.txt Not ideal... Does anyone know how to work around this. Is it a mime type problem with Drupal or the server, or is Drupal set up to avoid script uploads and n00b hack attacks. Once the files are uploaded I intend to use PHP mode on the page or node to call drupal_add_css and drupal_add_js.

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• Dynamically add files to visual studio deployment project.

  - by Graeme Yeo

  I've been desperately looking for the answer to this and I feel I'm missing something obvious. I need to copy a folder full of data files into the TARGETDIR of my deployment project at compile time. I can see how I would add individual files (ie. right click in File System and go to Add-File) but I have a folder full of data files which constantly get added to. I'd prefer not to have to add the new files each time I compile. I have tried using a PreBuildEvent to copy the files: copy $(ProjectDir)..\Data*.* $(TargetDir)Data\ which fails with error code 1 when I build. I can't help but feel I'm missing the point here though. Any suggestions? Thanks in advance. Graeme

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• cygwin slow file open

  - by Erdem

  My application uses fopen to open a lot of files. While in linux opening and reading thousand of files doesn't even take a second; in cygwin it takes more than 5 seconds. I think it is because path conversion functions in cygwin dlls. 'open' function is a bit faster. If I use -mno-cygwin it becomes very fast but I can't use it. Is there an easy way to make cygwin dlls just open files; without any linux-windows conversion?

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• Higher than high-level web frameworks or CMS's?

  - by Ben

  I'm looking for options that allow very high-level web site development with these special characteristics: not requiring the user to program in a complex programming language not requiring the user to use GUI-like administration areas allow the user to "program" in a lightweight markup language The last point is not only about look and structure of the output but also about creating simple dynamic output. For example: listing pages fetching the content of other pages doing a site search and displaying its output dynamically show or hide parts of the page depending on login status Of course, I am not expecting a solution that provides the same possibilities like a Ruby, Python or PHP web framework. Rather I am looking for support of the "basics" that are common for web sites. Until now, I have found only one piece of software that fulfills these requirements but while it's free, it's not open source: BoltWire at http://www.boltwire.com/. Being open source is required.

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• Load a file in a group objective-c Xcode

  - by okami

  I'd like to load a file from a specific Group in Xcode/Objective-c for example: I have TWO files named "SomeFile.txt" that are in two different folders (folders not groups yet) in the OS: SomeFolderOne |- SomeFile.txt SomeFolderTwo |- SomeFile.txt Inner Xcode I make two folders, and I put a REFERENCE to these two files: SomeGroupOne |- SomeFile.txt // this file is a reference to the SomeFile.txt from SomeFolderOne SomeGroupTwo |- SomeFile.txt // this file is a reference to the SomeFile.txt from SomeFolderTwo Now I want to read the txt content with: NSString *contents = [NSString stringWithContentsOfFile:@"SomeFile.tx" encoding:NSUTF8StringEncoding error:nil]; Ok it reads the 'SomeFile.txt' but sometimes the file read is from SomeGroupOne and sometimes the file is read from SomeGroupTwo. How to specify the group I want the file to be read?

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• how to open a .pdf file in a panel or iframe using asp.net c#

  - by rahul

  I am trying to open a .pdf file on a button click. I want to open a .pdf file into a panel or some iframe. With the following code i can only open .pdf file in a separate window or in a save as mode. string filepath = Server.MapPath("News.pdf"); FileInfo file = new FileInfo(filepath); if (file.Exists) { Response.ClearContent(); Response.AddHeader("Content-Disposition", "inline; filename=" + file.Name); Response.AddHeader("Content-Length", file.Length.ToString()); Response.ContentType = ReturnExtension(file.Extension.ToLower()); Response.TransmitFile(file.FullName); Response.End(); } how to assign a iframe to the below line Response.AddHeader("Content-Disposition", "inline; filename=" + file.Name);

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• Vala vapi files documentation

  - by Jordan

  Hi there, I'd like to hack on an existing GLib based C project using vala. Basically what I'm doing is, at the beginning of my build process, using valac to generate .c and .h files from my .vala files and then just compiling the generated files the way I would any .c or .h file. This is probably not the best way, but seems to be working alright for the most part. My problem is that I'm having a hard time accessing my existing C code from my Vala code. Is there an easy way to do this? I've tried writing my own .vapi files (I didn't have any luck with the tool that came with vala), but I can't find any decent documentation on how to write these. Does any exist? Do I need one of these files to call existing C code? Thanks.

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