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  • Odd Drag and drop sorting error Rails for nested attributes

    - by Senthil
    I've got this weird bug when trying to use drag and drag for two models (one nested within another). I've a category model which has many apps. In my category index page, I tried use "content_tag_for" to sort categories and apps within each category. But for some odd reason only the first element has drag, drop enabled. I can drag and drop categories all I want, but I can't drag the app in the second category, just the first category. Copy and paste gets ridiculously hopeless with HAML, so here's a Pastie instead. I made a sample app on heroku for you to check out here. Drag and drag work for both category and app, so I'm guessing it has to do something with the ul or li. Any help is appreciated. Thanks.

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  • Differnce between linux write and sendfile syscall

    - by JosiP
    Hi Im programming webserver (C), which should send big files. My question is: What are the main differneces in two syscalls: write and sendfile. Does sendfile depends on size of socket system buffer ? I noticed that write often writes less then i requested. For example, if got many requests for one file: should i open it, copy into memory and use 'write', or maybe i can do 'sendfile' for each client ? thx in advance for all answers

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  • Using embedded resources in Silverlight (4) - other cultures not being compiled

    - by Andrei Rinea
    I am having a bit of a hard time providing localized strings for the UI in a small Silverlight 4 application. Basically I've put a folder "Resources" and placed two resource files in it : Statuses.resx Statuses.ro.resx I do have an enum Statuses : public enum Statuses { None, Working } and a convertor : public class StatusToMessage : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (!Enum.IsDefined(typeof(Status), value)) { throw new ArgumentOutOfRangeException("value"); } var x = Statuses.None; return Statuses.ResourceManager.GetString(((Status)value).ToString(), Thread.CurrentThread.CurrentUICulture); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } } in the view I have a textblock : <TextBlock Grid.Column="3" Text="{Binding Status, Converter={StaticResource StatusToMessage}}" /> Upon view rendering the converter is called but no matter what the Thread.CurrentThread.CurrentUICulture is set it always returns the default culture value. Upon further inspection I took apart the XAP resulted file, taken the resulted DLL file to Reflector and inspected the embedded resources. It only contains the default resource!! Going back to the two resource files I am now inspecting their properties : Build action : Embedded Resource Copy to output directory : Do not copy Custom tool : ResXFileCodeGenerator Custom tool namespace : [empty] Both resource (.resx) files have these settings. The .Designer.cs resulted files are as follows : Statuses.Designer.cs : //------------------------------------------------------------------------------ // <auto-generated> // This code was generated by a tool. // Runtime Version:4.0.30319.1 // // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. // </auto-generated> //------------------------------------------------------------------------------ namespace SilverlightApplication5.Resources { using System; /// <summary> /// A strongly-typed resource class, for looking up localized strings, etc. /// </summary> // This class was auto-generated by the StronglyTypedResourceBuilder // class via a tool like ResGen or Visual Studio. // To add or remove a member, edit your .ResX file then rerun ResGen // with the /str option, or rebuild your VS project. [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")] [global::System.Diagnostics.DebuggerNonUserCodeAttribute()] [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()] internal class Statuses { // ... yadda-yadda Statuses.ro.Designer.cs [empty] I've taken both files and put them in a console application and they behave as expected in it, not like in this silverlight application. What is wrong?

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  • How are integers casted to bytes in Java?

    - by helixed
    I know Java doesn't allow unsigned types, so I was wondering how it casts an integer to a byte. Say I have an integer a with a value of 255 and I cast the integer to a byte. Is the value represented in the byte 11111111? In other words, is the value treated more as a signed 8 bit integer, or does it just directly copy the last 8 bits of the integer? Thanks, helixed

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  • variable in variable in batch and delayed expansion

    - by rezna
    Hi, I'm trying to use variable in variable in conjunction with delayed expansion but still no luck. SETLOCAL EnableDelayedExpansion SET ERROR_COMMAND=exit /B ^!ERRORLEVEL^! This is my last try. I want to setup an ERROR_COMMAND to be called when one of the steps in batch file crashes. The command is supposed to be: IF ERRORLEVEL 1 !ERROR_COMMAND! or IF ERRORLEVEL 1 %ERROR_COMMAND% The thing is, I'm not able to find out, how to SET properly the ERROR_COMMAND variable, so that ERRORLEVEL is not evaluated at the time of assignment, but at the time of evaluating the variable Of course I can copy&paste the code all over the batch file, but using the variable just seems a bit prettier... Anyone? Thanks, Milan

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  • How to use prettify with blogger/blogspot?

    - by billpg
    Hi everyone. I'm using blogger.com to host some texts on programming, and I'd like to use prettify (same as stackoverflow) to nicely colour the code samples. How do I install the prettify scripts into the blog domain? Would it be better (if indeed its possible) to link to a shared copy somewhere? I have webspace on a different domain. Would that help? Many thanks.

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  • Wix CopyFile only on target machine

    - by Burt
    I need to be able to copy a file that exists on the target machines hard-drive based on a registry setting that holds the folder path. I have been trying to get this going for a day or two and am having difficulty, can anyone help? Thanks, B

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  • How to create SharePoint Solution?

    - by imsatasia
    Hello Friends, I'm new to SharePoint and I'm creating a public website using SharePoint Server 2007. I want to create solution or installer of my SharePoint website to copy it to another server other then my local machine. Anyone helps me out to solve this problem. Thanks.

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  • Problem building Postgis 1.5.x for Pg 8.4 on Ubuntu 9.10

    - by znik
    Here are things installed: $ sudo apt-get install postgresql-server-dev-8.4 libpq5 libpq-dev Here is a past to my config.out: http://pastebin.com/8Nk6pr96 And, here are some hints I got from IRC (names concealed) < foo> it's NOT failing to find libpq. < foo> libpq is present, but not compilable without adding a boatload of other -l flags < foo> and postgis' configure doesn't let you specify that via LIBS < foo> his paste contains the config.out, which shows this The configure dies with this, configure: error: could not find libpq I intend to install postgis for mapfish :)

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  • How to add WCF templates to Visual Studio Express?

    - by Mike Kantor
    I am working through the book Learning WCF by Michele Bustamante, and trying to do it using Visual Studio C# Express 2008. The instructions say to use WCF project and item templates, which are not included with VS C# Express. There are templates for these types included with Visual Studio Web Developer Express, and I've tried to copy them over into the right directories for VS C# Express to find, but the IDE doesn't find them. Is there some registration process? Or config file somewhere?

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  • Project planning, Note taking tool for developers

    - by iceangel89
    i am looking for a project planning tool that include features like a organizer, todo list, target * deadlines of projects. since i am a developer, it will be good to have a tool that can also do modelling like UML/ERD etc. i am also looking for something that can do note taking. something like a blog with code snipplets - so with syntax highlighting. OneNote etc all does not have code highlighting - the best i can do is use an online syntax highlighter to generate HTML then paste in which is slow. of course its good to have a free/open source tool that has all the features i listed. but its fine to know what paid options are there

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  • Text encoding in HTML text fields

    - by joe
    I have a site up that has a form on it. The form POSTs to a php script which then inserts the data into my database. The page has a charset=UTF-8 attribute in the <meta> tag, and the database is setup to use UTF-8. However, when I copy and paste characters from MS Word into the field, the output is messed up. For example, the quotes in I am using "Microsoft Word" '''' become I am using “Microsoft Word†???? in the database. Anyone have any idea why this might occur?

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  • sqlite database, RoR and VCS

    - by ryanprayogo
    What is the common way of dealing with the development.sqlite3 files with VCS (in particular, git)? If I commit this file to the VCS, will it be merged with another developer's copy? Or should each developer run the db:migrate task each time a new migration file is created?

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  • Installing Rails 3 - /usr/local/bin/rails: No such file or directory

    - by viatropos
    I just ran these two commands: sudo gem install rails --pre sudo gem install railties --pre Now when I run rails myapp, I get this: -bash: /usr/local/bin/rails: No such file or directory Here's some system info: $ ruby -v ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin9.7.0] $ sudo gem update --system Updating RubyGems Nothing to update I tried copy/pasting the bin/rails file into /usr/local/bin/rails, and changing permissions to sudo chmod 755 /usr/local/bin/rails, but that doesn't work. Any ideas how to get up and running?

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  • XSLT Transformation of XML File

    - by Russ Clark
    I've written a simple XML Document that I am trying to transform with an XSLT file, but I get no results when I run the code. Here is my XML document: <?xml version="1.0" encoding="utf-8" ?> <Employee xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="XSLT_MVC.Controllers"> <ID>42</ID> <Name>Russ</Name> </Employee> And here is the XSLT file: <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl" xmlns:ex="XSLT_MVC.Controllers" > <xsl:output method="xml" indent="yes"/> <xsl:template match="/"> <xsl:copy> <!--<xsl:apply-templates select="@* | node()"/>--> <xsl:value-of select="ex:Employee/Name"/> </xsl:copy> </xsl:template> </xsl:stylesheet> Here is the code (from a C# console app) I am trying to run to perform the transform: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml; using System.Xml.Xsl; using System.Xml.XPath; namespace XSLT { class Program { static void Main(string[] args) { Transform(); } public static void Transform() { XPathDocument myXPathDoc = new XPathDocument(@"docs\sampledoc.xml"); XslTransform myXslTrans = new XslTransform(); myXslTrans.Load(@"docs\new.xslt"); XmlTextWriter myWriter = new XmlTextWriter( "results.html", null); myXslTrans.Transform(myXPathDoc, null, myWriter); myWriter.Close(); } } } When I run the code I get a blank html file. I think I may have problems with the namespaces, but am not sure. Can anyone help with this?

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  • Synchronized IEnumerator<T>

    - by Dan Bryant
    I'm putting together a custom SynchronizedCollection<T> class so that I can have a synchronized Observable collection for my WPF application. The synchronization is provided via a ReaderWriterLockSlim, which, for the most part, has been easy to apply. The case I'm having trouble with is how to provide thread-safe enumeration of the collection. I've created a custom IEnumerator<T> nested class that looks like this: private class SynchronizedEnumerator : IEnumerator<T> { private SynchronizedCollection<T> _collection; private int _currentIndex; internal SynchronizedEnumerator(SynchronizedCollection<T> collection) { _collection = collection; _collection._lock.EnterReadLock(); _currentIndex = -1; } #region IEnumerator<T> Members public T Current { get; private set;} #endregion #region IDisposable Members public void Dispose() { var collection = _collection; if (collection != null) collection._lock.ExitReadLock(); _collection = null; } #endregion #region IEnumerator Members object System.Collections.IEnumerator.Current { get { return Current; } } public bool MoveNext() { var collection = _collection; if (collection == null) throw new ObjectDisposedException("SynchronizedEnumerator"); _currentIndex++; if (_currentIndex >= collection.Count) { Current = default(T); return false; } Current = collection[_currentIndex]; return true; } public void Reset() { if (_collection == null) throw new ObjectDisposedException("SynchronizedEnumerator"); _currentIndex = -1; Current = default(T); } #endregion } My concern, however, is that if the Enumerator is not Disposed, the lock will never be released. In most use cases, this is not a problem, as foreach should properly call Dispose. It could be a problem, however, if a consumer retrieves an explicit Enumerator instance. Is my only option to document the class with a caveat implementer reminding the consumer to call Dispose if using the Enumerator explicitly or is there a way to safely release the lock during finalization? I'm thinking not, since the finalizer doesn't even run on the same thread, but I was curious if there other ways to improve this. EDIT After thinking about this a bit and reading the responses (particular thanks to Hans), I've decided this is definitely a bad idea. The biggest issue actually isn't forgetting to Dispose, but rather a leisurely consumer creating deadlock while enumerating. I now only read-lock long enough to get a copy and return the enumerator for the copy.

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  • Android Debugging with Logcat and Emulator. Is it possible?

    - by DJTripleThreat
    This is pretty simple: I'm using NetBeans on Linux with Android emulator 1.6. I have Logcat on my android phone, but the process of getting the messages to somewhere readable isn't smooth at all. Can someone tell me how to get Logcat running on the emulator? Is there anything I can do to see debug messages other then having to copy the apk to my phone and testing it? Thanks in advance!

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  • upgrading windows service using inno setup

    - by ofer
    Hi, I've created a basic windows service installation using Inno Setup. both install and uninstall works properly. However, I'm having issues with upgrading the service executable. it is needed to stop the service, and only ofter the service is completly stopped- the new executables should be placed in the target folder. how can I execute a service-stop command and wait for the service to actually stopped before the file copy step is initiate? thanks!

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  • UIMenuController Custom Items

    - by Joshua
    I have created a UIMenuController and have set it a custom menu item like so: UIMenuController *menuController = [UIMenuController sharedMenuController]; UIMenuItem *item1 = [[UIMenuItem alloc] initWithTitle:@"Do This" action:@selector(item1)]; [menuController setMenuItems:[NSArray arrayWithObject:item1]]; But I wanted that object to be the only one to appear so I added this code: - (BOOL)canPerformAction: (SEL)action withSender: (id)sender { BOOL answer = NO; if (action == @selector(item1)) answer = YES; return answer; } The problem is it still shows other## Heading ## items, such as "Select", "Select All" and "Paste". This may have something to do with this being displayed in a UITextView. But how do I stop if from displaying all other items?

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  • Facebook Like Box

    - by abelenky
    I'm trying to add a Facebook "Like Box" to an existing website, as described here The Page I'm promoting works just fine in preview-box on that page. But when I copy/paste the code as shown to my website, it instead shows a fraction of an empty facebook page with only a partially visible error message. <iframe src="http://www.facebook.com/plugins/likebox.php?profile_id=SenRandyGordon&amp;width=260&amp;connections=10&amp;stream=true&amp;header=true" scrolling="no" frameborder="0" allowTransparency="true" style="border:none; overflow:hidden; width:260px; height:px"></iframe> I cannot figure out what I'm doing wrong, and I added "Like Box"'s in the past, before Facebook released their new API. Please help?

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  • Why MAMP sets to 600 MySQL file permission?

    - by SergioP
    I usually put MAMP MySQL /db/db-site-name folder under SVN. When MAMP starts, it gives the drw------- (600) permission to all the files and dir in that folder. I have a problem because one of these folder is .svn one, that have to be drwxr-xr-x (755), otherwise I can't access to SVN working copy with my client. Can anyone help me to set MAMP properly?

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  • How can I change the user identity that runs a build agent in TeamCity?

    - by Chris Farmer
    I am trying to get a build process set up in TeamCity 5, and I am encountering an access denied error when trying to copy some files. I see that my build agent is running as "SYSTEM" now, and I think that's part of the problem. I'd like to change that user identity. The trouble is that I can't figure out how to change those settings on the build agent. How can I change the build user identity?

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