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• Is WPF the Future of Windows UI Development?

  - by Randy Minder

  We're debating whether our future Windows UI development should be WinForms or WPF. How have some of you made this decision? Most of our applications are LOB applications, and I'm not sure I see a clear and overwhelming benefit to WPF for these types of applications. However, my knowledge of WPF is limited. I'm also a little concerned that WPF will be in vogue for another couple years and then Microsoft will get tired of it and push something else on us. I guess one argument against this is the fact that Visual Studio 2010 is a WPF application. Thanks.

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• Working with NSCalendar -- getting the next first tuesday of a month

  - by Bjorn S.

  Hi all, This is a bit odd, but is it possible to use an NSCalendar (or any component, for that matter) to figure out what the date of the next "first tuesday of the month" would be? For example, today is Thursday March 25, 2010. The next "first tuesday of the month" would be on April 6. Likewise, if I were looking for the next "first tuesday of the month" on April 1, it would still be on April 6. How would you do this? Thanks very much!!!!!

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• Can someone explain me implicit parameters in Scala?

  - by Oscar Reyes

  And more specifically how does the BigInt works for convert int to BigInt? In the source code it reads: ... implicit def int2bigInt(i: Int): BigInt = apply(i) ... How is this code invoked? I can understand how this other sample: "Date literals" works. In. val christmas = 24 Dec 2010 Defined by: implicit def dateLiterals(date: Int) = new { import java.util.Date def Dec(year: Int) = new Date(year, 11, date) } When int get's passed the message Dec with an int as parameter, the system looks for another method that can handle the request, in this case Dec(year:Int) Q1. Am I right in my understanding of Date literals? Q2. How does it apply to BigInt? Thanks

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• .NET 4.0 build issues on CI Server

  - by DMcKenna

  Anybody manage to get .net 4.0 applications compiling on a CI server without installing visual studio 2010 on a CI server. No SDK exists for .net 4.0. Have installed .NET 4.0 on CI Server. Msbuild.exe works for simple projects and give the following warning (GetReferenceAssemblyPaths target) - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(847,9): warning MSB3644: The reference assemblies for framework ".NETFramework,Version=v4.0" were not found. To resolve this, install the SDK or Targeting Pack for this framework version or retarget your application to a version of the framework for which you have the SDK or Targeting Pack installed. Note that assemblies will be resolved from the Global Assembly Cache (GAC) and will be used in placeof reference assemblies. Therefore your assembly may not be correctly targeted for the framework you intend.

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• Can I develop for .NET Framework 4 in Visual Studio 2008?

  - by Zack Peterson

  My ASP.NET application runs in IIS on my web server and uses Microsoft .NET Framework 4 Beta 2. (Its Application Pool is set to .NET Framework version .NET Framework v4.0.21006.) It gives this new error: A potentially dangerous Request.Form value was detected from the client... This is due to a breaking change in .NET 4. To revert to the behavior of the ASP.NET 2.0 request validation feature, I added the following setting in the Web.config file: <httpRuntime requestValidationMode="2.0" /> Now Visual Studio 2008 throws a compile-time error: The 'requestValidationMode' attribute is not declared. And I can no longer debug on my development machine using the ASP.NET Development Server that comes with Visual Studio. I need Visual Studio and its ASP.NET Development Server to recognize the new .NET Framework 4 requestValidationMode attribute. How can I debug my application in .NET 4? Must I switch from Visual Studio 2008 to Visual Studio 2010 Beta 2?

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• ffmpeg-php permission denied on localhost

  - by user572271

  Hello, I am very new to php. I recently setup php on my mac and I am trying to setup ffmpeg-php to convert various videos to flv or other formats as desired. I used this tutorial FFmpeg Mac Installation and I got ffmpeg to work using the terminal, however, when I try to encode a movie using php I get an error. In my apache error_log file it says permission denied next to the flv file (shown below). FFmpeg version 0.6, Copyright (c) 2000-2010 the FFmpeg developers built on Dec 30 2010 08:36:24 with gcc 4.2.1 (Apple Inc. build 5646) (dot 1) configuration: --prefix=/usr/local --enable-shared --disable-mmx --enable-libmp3lame --enable-gpl --enable-libfaad --enable-zlib --enable-libvorbis --enable-libfaac --enable-nonfree libavutil 50.15. 1 / 50.15. 1 libavcodec 52.72. 2 / 52.72. 2 libavformat 52.64. 2 / 52.64. 2 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0.11. 0 / 0.11. 0 Seems stream 1 codec frame rate differs from container frame rate: 1200.00 (1200/1) - 30.00 (30/1) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/myApple/Sites/AdHere/test.mov': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt Duration: 00:00:02.04, start: 0.000000, bitrate: 1109 kb/s Stream #0.0(eng): Audio: aac, 44100 Hz, stereo, s16, 97 kb/s Stream #0.1(eng): Video: h264, yuv420p, 640x480, 1027 kb/s, 30.15 fps, 30 tbr, 600 tbn, 1200 tbc /Users/myApple/Sites/AdHere/movteststuff.flv: Permission denied I have no idea what the problem is. I am using the following php code: <?php extension_loaded('ffmpeg') or die('Error in loading ffmpeg'); $ffmpegInstance = new ffmpeg_movie('test.AVI'); echo "getDuration: " . $ffmpegInstance->getDuration() . "<br>getFrameCount: " . $ffmpegInstance->getFrameCount() . "<br>getFrameRate: " . $ffmpegInstance->getFrameRate() . "<br>getFilename: " . $ffmpegInstance->getFilename() . "<br>getComment: " . $ffmpegInstance->getComment() . "<br>getTitle: " . $ffmpegInstance->getTitle() . "<br>getAuthor: " . $ffmpegInstance->getAuthor() . "<br>getCopyright: " . $ffmpegInstance->getCopyright() . "<br>getArtist: " . $ffmpegInstance->getArtist() . "<br>getGenre: " . $ffmpegInstance->getGenre() . "<br>getTrackNumber: " . $ffmpegInstance->getTrackNumber() . "<br>getYear: " . $ffmpegInstance->getYear() . "<br>getFrameHeight: " . $ffmpegInstance->getFrameHeight() . "<br>getFrameWidth: " . $ffmpegInstance->getFrameWidth() . "<br>getPixelFormat: " . $ffmpegInstance->getPixelFormat() . "<br>getBitRate: " . $ffmpegInstance->getBitRate() . "<br>getVideoBitRate: " . $ffmpegInstance->getVideoBitRate() . "<br>getAudioBitRate: " . $ffmpegInstance->getAudioBitRate() . "<br>getAudioSampleRate: " . $ffmpegInstance->getAudioSampleRate() . "<br>getVideoCodec: " . $ffmpegInstance->getVideoCodec() . "<br>getAudioCodec: " . $ffmpegInstance->getAudioCodec() . "<br>getAudioChannels: " . $ffmpegInstance->getAudioChannels() . "<br>hasAudio: " . $ffmpegInstance->hasAudio(); exec('ffmpeg -i /Users/myApple/Sites/AdHere/test.mov /Users/myApple/Sites/AdHere/movteststuff.flv'); ?> I am able to see various parameters like filename, frameheight, framewidth, which leads me to believe that ffmpeg-php is kind of working, but maybe I am just doing something wrong in the exec() command. Anyone have any ideas. I have been struggling with setting up ffmpeg for quite some time now. Thanks! -Jon

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• Elegant way of retrieving query string parameter.

  - by Wondering

  Hi All, I am retrieving one query string parameter, and for that my code is <a href="Default2.aspx?Id=1&status=pending&year=2010">Click me</a> Now I want to retrieve "status=pending" and for that I am doing var qString = window.location.search.substring(1); var Keys = qString .split('&'); alert(Keys[1]); This works fine, but I am hard-coding [1] here. is there any elegent way of doing this without hard-coding?

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• Pulling a timestamp from an XML feed with PHP but seem to be to many digits

  - by Craig Ward

  I am pulling a timestamp from a feed and it gives 12 digits (1269088723811). When I convert it, it comes out as 1901-12-13 20:45:52, but if I put the timestamp into http://www.epochconverter.com/ it comes out as Sat, 20 Mar 2010 12:38:43 GMT, which is the correct time. epochconverter.com mentions that it maybe in milliseconds so I have amended the script to take care of it using $mil = $timestamp; $seconds = $mil / 1000; $date = date('Y-m-d H:i:s', date($seconds)); but it still converts the date wrong, 1970-01-25 20:31:23. What am I doing wrong?

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• Plugin or module for filtering/sorting a large amount of data?

  - by prometheus

  I have a rather large amount of data (100 MB or so), that I would like to present to a user. The format of the data is similar to the following... Date              Location      Log File          Link 03/21/2010   San Diego   some_log.txt   http://somelink.com etc My problem is that I would like to have some nice/slick way for the user to filter the information. Unfortunately, because there is so much of it, the jQuery Table Filter plugin does not work (crashes the browser). I was wondering if there is a nice solution or if I have to simply do the filtering on the server end and have a bland pull-down menu / select-box interface for the client to use.

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• ASP.net Error in Design Mode

  - by stringo0

  I just switched to VS 2010, and upgraded a previous project. I'm getting the following error on a page in design mode for 2 controls: Error Creating Control - ObjectName Object reference not set to an instance of an object. One of them is a simple label, and the other is a ajax update panel. Other pages look fine. When I build and test the app, the page renders fine in the browser and functions fine - the label functions as expected and the content in the update panel works as expected. Any ideas why I'm getting this error? I tried some of the google results to no avail. It'd be great to get this out of the way. Thanks!

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• Automate Testing on future only items business rules

  - by Titan

  I currently have a business object with a validation business rule, which is it can only be created for the future, tomorrow onwards, and I cannot create new items for today. I have a process, which runs the non-future business objects through some steps.. Because I have to set things up today, and test tomorrow, and when it fails, I can only create a new object tomorrow and test the following day. Are there any easy ways to automate this process in any testing frameworks? I think our testers are using the visual studio 2010 test manager. How do you guys manage situations like this? Cheers

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• Remove HTTP headers from a raw response

  - by Ed

  Let's say we make a request to a URL and get back the raw response, like this: HTTP/1.1 200 OK Date: Wed, 28 Apr 2010 14:39:13 GMT Expires: -1 Cache-Control: private, max-age=0 Content-Type: text/html; charset=ISO-8859-1 Set-Cookie: PREF=ID=e2bca72563dfffcc:TM=1272465553:LM=1272465553:S=ZN2zv8oxlFPT1BJG; expires=Fri, 27-Apr-2012 14:39:13 GMT; path=/; domain=.google.co.uk Server: gws X-XSS-Protection: 1; mode=block Connection: close <!doctype html><html><head>...</head><body>...</body></html> What would be the best way to remove the HTTP headers from the response in C#? With regexes? Parsing it into some kind of HTTPResponse object and using only the body? EDIT: I'm using SOCKS to make the request, that's why I get the raw response.

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• HOW TO SElect line number in TextBox Multiline

  - by Alhambra Eidos

  Hi all, I have large text in System.Windows.Forms.TextBox control in my form (winforms), vs 2008. I want find a text, and select the line number where I've found that text. Sample, I have fat big text, and I find "ERROR en línea", and I want select the line number in textbox multiline. string textoLogDeFuenteSQL = @"SQL*Plus: Release 10.1.0.4.2 - Production on Mar Jun 1 14:35:43 2010 Copyright (c) 1982, 2005, Oracle. All rights reserved. ** MORE TEXT **** Conectado a: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production With the Partitioning, Data Mining and Real Application Testing options WHERE LAVECODIGO = 'CO_PREANUL' * ERROR en línea 2: ORA-00904: ""LAVECODIGO"": identificador no v?lido INSERT INTO COM_CODIGOS * ERROR en línea 1: ORA-00001: restricción única (XACO.INX_COM_CODIGOS_PK) violada"; ** MORE TEXT **** Any sample code about it ? thanks in advanced,

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• C# how to correctly dispose of an SmtpClient?

  - by JL

  VS 2010 code analysis reports the following: Warning 4 CA2000 : Microsoft.Reliability : In method 'Mailer.SendMessage()', object 'client' is not disposed along all exception paths. Call System.IDisposable.Dispose on object 'client' before all references to it are out of scope. My code is : public void SendMessage() { SmtpClient client = new SmtpClient(); client.Send(Message); client.Dispose(); DisposeAttachments(); } How should I correctly dispose of client? Update: to answer Jons question, here is the dispose attachments functionality: private void DisposeAttachments() { foreach (Attachment attachment in Message.Attachments) { attachment.Dispose(); } Message.Attachments.Dispose(); Message = null; }

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• Is it a good idea to cache data from web services into a database?

  - by Thierry Lam

  Let's assume that Stackoverflow offers web services where you can retrieve all the questions asked by a specific user. A request to get all question from user A can result in the following json output: { { "question": "What is rest?", "date_created": "20/02/2010", "votes": 1, }, { "question": "Which database to use for ...", "date_created": "20/07/2009", "votes": 5, }, } If I want to manipulate and present the data in any ways that I want, will it be wise to dump it in a local database? At some point, I will also want to retrieve all answers for each question and store them in a local database. The workflow that I'm thinking is: User logs in. Web services retrieve all questions asked by the logged in user, dump them in a local database. User wants all answers for a specific question, another web service does the retrieval and dump them in a local database. After user logs out, delete from the local database all questions and answers from that user.

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• redis timeout with predis

  - by Patrick

  Hello, I'm using redis with php (predis at http://github.com/nrk/predis/) and am experiencing frequent timeout. The stack trace shows: [04-Apr-2010 03:39:50] PHP Fatal error: Uncaught exception 'Predis_ClientException' with message 'Connection timed out' in redis.php:697 Stack trace: #0 redis.php(757): Predis_Connection->connect() #1 redis.php(729): Predis_Connection->getSocket() #2 redis.php(825): Predis_Connection->writeCommand(Object(Predis_Commands_ListRange)) #3 redis.php(165): Predis_ConnectionCluster->writeCommand(Object(Predis_Commands_ListRange)) #4 redis.php(173): Predis_Client->executeCommandInternal(Object(Predis_ConnectionCluster), Object(Predis_Commands_ListRange)) #5 redis.php(157): Predis_Client->executeCommand(Object(Predis_Commands_ListRange)) #6 [internal function]: Predis_Client->__call('lrange', Array) This happens consistently and I have no idea why. Anyone has any idea?

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• ASP.NET ReportViewer Control Fonts to Century Gothic

  - by sajoshi

  We are using ASP.NET ReportViewer Control to render rdl files. In the rdl files we have set the font to “Century Gothic” and in preview mode it renders the fonts nicely. However – when it gets rendered on browser we see the fonts defaulted to “Times New Roman”. I tried couple of things without success: 1. Setting the font family of the page () 2. Setting the FontNames of the ReportViewer control Please let me know how we can render the fonts to Century Gothic. One more thing is I don't see Century Gothic in the list of available fonts in the HTML Editor inside Visual Studio 2010. Do I need to add them somewhere?

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• ./configure : /bin/sh^M : bad interpreter

  - by Vineeth

  Hello there, I've been trying to install lpng142 on my fed 12 system. Seems like a problem to me. I get this error [root@localhost lpng142]# ./configure bash: ./configure: /bin/sh^M: bad interpreter: No such file or directory [root@localhost lpng142]# How do I fix this? and for more details, I shall include the /etc/fstub file details here # # /etc/fstab # Created by anaconda on Wed May 26 18:12:05 2010 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/VolGroup-lv_root / ext4 defaults 1 1 UUID=ce67cf79-22c3-45d4-8374-bd0075617cc8 /boot ext4 defaults 1 2 /dev/mapper/VolGroup-lv_swap swap swap defaults 0 0 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 [root@localhost etc]# Help, please

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• problem with trying to create ssms add-in

  - by Karl

  I'm trying to create an add-in for SSMS 2008 and/or 2008 R2 but I've run into a problem straight away. I can get my add-in to work and on SSMS start-up get it to simply show a message box. However, after downloading various code-samples, when trying to reference Microsoft.SqlServer.Management.UI.VSIntegration.ServiceCache I get a null reference exception: Commands2 commands = (Commands2)ServiceCache.ExtensibilityModel.Commands; I get this problem when using SSMS 2008 or SSMS 2008 R2. I'm working on Visual Studio 2010. It's a bit frustrating because I'm keen to learn more about SSMS add-ins but can't seem to get past the few samples out there. Any advice/tips appreciated. Thanks

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• Problem with Gregorian Calendar hour of day in java

  - by Leanne C

  hi, I'm using a Gregorian Calendar to set a specific date and time to an application using the set function of the Gregorian Calendar. When i use the getTime() method, it gives me the right output however when i try to access the Hour_Of_Day and Minute it gives a wrong number. Calendar time = new GregorianCalendar(); time.set(2010, Calendar.JANUARY, 1, 7, 20,0); hour = time.HOUR_OF_DAY; minute = time.MINUTE; The hour gives an output of 11 and the minute gives an a value of 12. Any suggestions on how to fix this? Thanks

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• C# Silverlight - XmlDictionary from Uri

  - by Robert White

  I've been developing a Silverlight application for a company's website and have encountered a problem. Up until now I have been programming this locally, now I need to publish the program onto the website; the issue is that FileStream can only access local files with elevated permissions. Here's a snippet of code: using (FileStream fileStream = new FileStream(@"E:\Users\LUPUS\Documents\Visual Studio 2010\Projects\Lycaon5\Lycaon5\acids.xdb", FileMode.Open)) { using (XmlDictionaryReader reader = XmlDictionaryReader.CreateTextReader(fileStream, XmlDictionaryReaderQuotas.Max)) { //Read the XML file out. } } Without changing anything to do with XmlDictionaryReader reader - How could I go about reading the files from a relative Uri? Many Thanks, Rob. P.s. Apologies for the lack of formatting, me cave man, me don't know how.

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• How do I Relate these 4 Tables

  - by Baddie

  Trying to setup a simple Thread/Poll table mapping. Here is what I have: Threads table ThreadID (Primary Key/Identity Column) Polls table PollID (Primary Key, FK for ThreadID for one-to-one relation) Question PollOptions table PollOptionID (Identity/Primary Key) Text PollID PollVotes table PollVoteID (Primary Key/Identity) PollOptionID I'm not sure if this is a proper relationship. It seems wrong but I'm not sure whats wrong with it. A Thread can have 0 or 1 Poll. A Poll can have 2 or more PollOptions. A PollOption can have 0 or many PollVotes. I'm going to be using Entity Framework and before I generate the code for it (VS 2010, .NET 4) I want to make sure I have the proper relationship mapping.

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• DOS batch command to read some info from text file

  - by Ray

  Hello All, I am trying to read some info from a text file by using windows command line, and save it to a variable just like "set info =1234" Below is the content of the txt file, actually I just need the revision number, and the location of it is always the same line 5, and from column 11 to 15. In the sample it's 1234, and I am wondering is there a way to save it to a variable in Dos command line. Thanks a lot! svninfo.txt: Path: . URL: https://www.abc.com Repository Root: https://www.abc.com/svn Repository UUID: 12345678-8b61-fa43-97dc-123456789 Revision: 1234 Node Kind: directory Schedule: normal Last Changed Author: abc Last Changed Rev: 1234 Last Changed Date: 2010-04-01 18:19:54 -0700 (Thu, 01 Apr 2010)

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• Code Profiling in the Windows Sidebar Environment

  - by Matt

  Does anyone know of a way I can code-profile my Windows Sidebar Gadget? I've played around with the code-profiling tool in IE8's "Developer Tools" and the code-profiling included in Visual Studio 2010, but I can't find a way to include the System.* API, which my gadget relies on (as it is standard in the Sidebar environment). The gadget also relies on cross-domain AJAX requests; which is normally permitted in the Sidebar environment. By code-profiling I primarily mean: Function call count Function execution time Any ideas would be much appreciated. Regards, Matt

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• Map only certain parts of the class to a database using SQLAlchemy?

  - by Az

  When mapping an object using SQLAlchemy, is there a way to only map certain elements of a class to a database, or does it have to be a 1:1 mapping? Example: class User(object): def __init__(self, name, username, password, year_of_birth): self.name = name self.username = username self.password = password self.year_of_birth = year_of_birth Say, for whatever reason, I only wish to map the name, username and password to the database and leave out the year_of_birth. Is that possible and will this create problems? Edit - 25/03/2010 Additionally, say I want to map username and year_of_birth to a separate database. Will this database and the one above still be connected (via username)?

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