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  • Simple "Long Polling" example code?

    - by dbr
    I can find lots of information on how Long Polling works (For example, this, and this), but no simple examples of how to implement this in code. All I can find is cometd, which relies on the Dojo JS framework, and a fairly complex server system.. Basically, how would I use Apache to serve the requests, and how would I write a simple script (say, in PHP) which would "long-poll" the server for new messages? The example doesn't have to be scaleable, secure or complete, it just needs to work!

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  • LaTeX lstlisting not highlighting keywords when basic style is ttfamily

    - by Lex
    Hello, I'm working on a LaTeX document and using lstlisting to display my Java source code. My setup looks like this: \lstset{ basicstyle=\ttfamily, keywordstyle=\bfseries, language=Java, frame=single, aboveskip=11pt, belowskip=11pt, breaklines=true, breakatwhitespace=false, showspaces=false, showstringspaces=false } The keywords are not highlighted bold when using ttfamily, but if I use small or don't specify the basic style, they're highlighted fine. What am I missing?

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  • two copies of jquery in code, how do i use newer version

    - by acidzombie24
    I am writing a greasemonkey script. The site is using jquery, i need a function in a newer version. In my GM script i have // @require http://ajax.microsoft.com/ajax/jQuery/jquery-1.3.2.min.js ... var $ = unsafeWindow.jQuery; However after using alert($().jquery); i see it is still the old version. How can i get the newer version in code?

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  • C# searching for new Tool for the tool box, how to template this code

    - by Nix
    All i have something i have been trying to do for a while and have yet to find a good strategy to do it, i am not sure C# can even support what i am trying to do. Example imagine a template like this, repeated in manager code overarching cocept function Returns a result consisting of a success flag and error list. public Result<Boolean> RemoveLocation(LocationKey key) { List<Error> errorList = new List<Error>(); Boolean result = null; try{ result = locationDAO.RemoveLocation(key); }catch(UpdateException ue){ //Error happened less pass this back to the user! errorList = ue.ErrorList; } return new Result<Boolean>(result, errorList); } Looking to turn it into a template like the below where Do Something is some call (preferably not static) that returns a Boolean. I know i could do this in a stack sense, but i am really looking for a way to do it via object reference. public Result<Boolean> RemoveLocation(LocationKey key) { var magic = locationDAO.RemoveLocation(key); return ProtectedDAOCall(magic); } public Result<Boolean> CreateLocation(LocationKey key) { var magic = locationDAO.CreateLocation(key); return ProtectedDAOCall(magic); } public Result<Boolean> ProtectedDAOCall(Func<..., bool> doSomething) { List<Error> errorList = new List<Error>(); Boolean result = null; try{ result = doSomething(); }catch(UpdateException ue){ //Error happened less pass this back to the user! errorList = ue.ErrorList; } return new Result<Boolean>(result, errorList); } If there is any more information you may need let me know. I am interested to see what someone else can come up with. Marc solution applied to the code above public Result<Boolean> CreateLocation(LocationKey key) { LocationDAO locationDAO = new LocationDAO(); return WrapMethod(() => locationDAO.CreateLocation(key)); } public Result<Boolean> RemoveLocation(LocationKey key) { LocationDAO locationDAO = new LocationDAO(); return WrapMethod(() => locationDAO.RemoveLocation(key)); } static Result<T> WrapMethod<T>(Func<Result<T>> func) { try { return func(); } catch (UpdateException ue) { return new Result<T>(default(T), ue.Errors); } }

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  • Force an indent in Python code for organizational purposes

    - by Vine
    Is there a way to force an indent in Python? I kind of want it for the sake of making the code look organized. As an example: # How it looks now class Bro: def __init__(self): self.head = 1 self.head.eye = 2 self.head.nose = 1 self.head.mouth = 1 self.neck = 1 self.torso = 1 # How it'd look ideally (indenting sub-variables of 'head') class Bro: def __init__(self): self.head = 1 self.head.eye = 2 self.head.nose = 1 self.head.mouth = 1 self.neck = 1 self.torso = 1 I imagine this is possible with some sort of workaround, yeah?

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  • Example of configuring wxStyledTextCtrl/wxScintilla control as code editor for custom language

    - by Greg
    How do you enable actions like Goto line number Find(/Replace) There don't appear to be default triggers for these actions. There are a bunch of methods on the control, but I'm missing the first step of how to get the 'events' that would trigger these. For instance, how does one hook ctrl+f or F3/Alt+F3 in the control and make them do a find? Should I be looking at each key using EVT_STC_KEY? Would also like any examples of using this control with Custom language definition (say something similar to C++, but not C++) Auto completion (basic keywords to start, or including variables)

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  • How Do I code this in python with simplejson

    - by Spikie
    how do i code a python program that return a json element that look like this {1:{'name':foo,'age':xl} 2:{'name':vee,'age':xx} .... } What i meant is that i want return nested dictionaries What i hoped to accomplish is something like this var foo = 1.name # to the the value of name in the clientside I hope all this made sense .English is my second language thanks in advance

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  • Code::Blocks invalid compiler problem

    - by salifu
    i have installed successfully codeblock on my pc but when i try to run "hello world" or even another code, i get this messege of bluild log "name-Debug uses an invalid compiler. Skipping... nothing to be done" so please help me!

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  • Should my WCF webservice return a 500 or 200 http code (soap fault / functional return message)

    - by Tim Mahy
    Hi all, after reading the SOAP specs, it states that a SOAP Fault should return a http 500 errorcode, so when a SoapException is thrown, WCF returns a 500 error code. Now, I'm looking for some best practices to when return a functional soap error message and when to return a SOAP Fault. What would you guys return when a functional error occurred while processing the message because of the input message contains some functional errors, a 500 SOAP Fault or a 200 Soap response containing some error message ?

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  • Debugging problems in Visual Studio 2005 - No source code available for the current location

    - by espais
    Hi all I've searched up and down Google for others with a similar problem, and while I can find the error I don't think that other people have the same base problem that I do. Basically, I had to create a project for a unit-testing environment in order to run this test suite. First, I add my original C file, compile, and then a test file (C++) is generated. I then exclude my original source from the project, include this test script (which includes the original source at the top), and then run. I can debug the test file fine, but when it jumps to the original C file I get the dreaded 'no source code available for the current location' error. Both files are located within the same location, and I compiled the original file without any issue. Anybody have any thoughts about this? Its driving me crazy!

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  • How can I run Devel::Cover under mod_perl2?

    - by codeholic
    Unfortunately, Devel::Cover does not yet work with threads. It doesn't work with prefork either. Being use'd in startup.pl, Devel::Cover issues Not a CODE reference. END failed--call queue aborted. perl 5.8.9, Apache 2.2.13. My OS is FreeBSD, if that matters. The same problem is reported for win32.

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  • StackOverFlowException when generating C# code from xsd using xsd.exe (VS2010)

    - by Staffan
    Hello, I am trying to generate C# code from an XML schema with xsd.exe with Visual Studio RC1 (version 10.0.30128.1) but get the follwoing error: C:\Developmentxsd CR2008Schema.xsd /classes Microsoft (R) Xml Schemas/DataTypes support utility [Microsoft (R) .NET Framework, Version 4.0.30128.1] Copyright (C) Microsoft Corporation. All rights reser Process is terminated due to StackOverflowException. The xsd is http://www.businessobjects.com/products/xml/CR2008Schema.xsd Any help appreciated. Thanks, Staffan

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  • Great UIKit/Objective-C code snippets

    - by Nissan Fan
    New to Objective-C iPhone/iPod touch/iPad development, but I'm starting to discover lots of power in one-liners of code such as this: [UIApplication sharedApplication].applicationIconBadgeNumber = 10; Which will display that distinctive red notification badge on your app iphone with the number 10. Please share you favorite one or two-liners in Objective-C for the iPhone/iPod touch/iPad here. PUBLIC APIs ONLY.

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  • Need helping creating a loop in R. Have many similarly named variables I have to apply the same func

    - by user335897
    I am using a dataset w/variables that have very similar names. I have to apply the same functions to 13 variables at a time and I'm trying to shorten the code, instead of doing each variable individually. q01a.F=factor(q01a) q01b.F=factor(q01b) q01c.F=factor(q01c) q01d.F=factor(q01d) q01e.F=factor(q01e) q01f.F=factor(q01f) q01g.F=factor(q01g) q01h.F=factor(q01h) q01i.F=factor(q01i) q01j.F=factor(q01j) q01k.F=factor(q01k) q01l.F=factor(q01l) q01m.F=factor(q01m) Suggestions?

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  • Insert a snippet from a Visual Studio macro

    - by Kyralessa
    I have a situation where I want to run a Visual Studio macro that has the user type something in an InputBox, then inserts a snippet and includes that text somewhere in it. Unfortunately, I can't figure out how to insert the snippet from macro code. It seems like it'd be something like DTE.ExecuteCommand("Edit.InvokeSnippetFromShortcut") or DTE.ExecuteCommand("Edit.InvokeSnippetFromShortcut", "theSnippetName") but those don't work. Any ideas?

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  • Convert PHP code to C#

    - by Rob
    Is there a web site or tool that will convert a piece PHP code to C#? something similar to http://converter.telerik.com/ or http://www.developerfusion.com/tools/convert/csharp-to-vb/

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  • How to comment out a block of Python code in VIM

    - by Rishabh Manocha
    I was wondering if there was any key mapping in VIM to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position). So basically something that converts the following def my_fun(x, y): return x + y to #def my_fun(x, y): # return x + y I am ok with using either # or """ for commenting out the relevant lines. Ideally, I would also like the same keymapping to uncomment the lines if the given lines have been commented out. Thanks

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