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• C++ Thread level constants

  - by Gokul

  Is there a way by which we can simulate thread level constants in C++? For example, if i have to make a call to template functions, then i need to mention the constants as template level parameters? I can use static const variables for template metaprogramming, but they are process level constants. I know, i am asking a question with a high probability of 'No'. Just thought of asking this to capitalize on the very rare probability :)) Thanks, Gokul.

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• Question with "extern" in C

  - by why

  When programming, I would like to split one large file(which contains main function) to many small files, so there is one common case: functions in small files can modify the var from main file, so i think extern is very useful! for instance: in main.c extern int i = 100; in small.c extern int i; fprintf(stdout, "var from main file: %d\n", i); I just want to know is my understanding right?

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• Help a newbie with a PHP Function

  - by danit

  I want to use this function: http://www.frankmacdonald.co.uk/php/post-to-wordpress-with-php.html Its used to post to Wordpress using XMLRPC, can anyone give me the basics for using this function and maybe a brief over view? I want to learn how functions work and how to use them.

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• VB.NET Function Return

  - by waves

  In order to return a value from a VB.NET function one can assign a value to the "Functions Name" or use "return value." I sometimes see these inter-mixed in the same function. Personally, I prefer the return. My question is, what is the internal difference, if any, between the two?

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• getJSON and variable scope in javascript

  - by nillls

  Hi! In order to make function calls to our back-end php code we've implemented something called an ActionProxy like this: function ActionProxy(action, input, callback){ $.post("ActionProxy.php?method="+action, { data: input}, function(data, textStatus, XMLHttpRequest){ //return data.ResponseWhatever } }); The problem we're having is that using data outside the ActionProxy is impossible due to variable scope limitations (we assume), setting var res = data.ResponseWhatever or return data.ResponseWhatever is pretty futile. How would one handle these responses most appropriately so that functions calling the actionproxy can access the response values?

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• What is the standard way to optimise mutual recursion in F#/Scala?

  - by Bubba88

  These languages do not support mutually recursive functions optimization 'natively', so I guess it must be trampoline or.. heh.. rewriting as a loop) Do I miss something? UPDATE: It seems that I did lie about FSharp, but I just didn't see an example of mutual tail-calls while googling

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• NHibernate and MySql Keywords

  - by jalchr

  Why Nibernate HQL can not handle the following query: from Deal D where (D.ApprovalDate + INTERVAL 1 Year) < current_timestamp() < (D.RenewalDate + INTERVAL -1 Year) knowing that INTERVAL and YEAR are keywords in MySQL, so this is kind of mixing Sql within Hql (unless Hql can handle date functions like so and I don't know) . The dialect is MySQLDialect Its perfectly valid to execute this query SELECT '2005-01-01' + INTERVAL 1 Year;

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• background worker in asp.net

  - by vbNewbie

  I migrate my winforms crawler app to a asp.net web app and would like to know how to implement the background worker thread that I use for very long searches? Another posting mentioned asynchronous pages but I am not sure if this would work or how to apply it. The search function that would run can sometimes run for a few days and I would like the user to have the option to perform other functions still. Can this happen?

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• Set global position for a QLabel

  - by alfredozn

  Hi I'm trying to display a QLabel (without parent) at a fixed position using PyQt. The QLabel functions as a graphic that appears only for a moment, it's appears in the middle of the screen by default but I can't find how to move its position. Any suggestion??

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• how to invoke a function written in one user control from another user control?

  - by aparnakarthik

  I have two user controls I have some functions written on those two controls. Is it possible to invoke a function written on one user control from another user control. Pls provide the code for this.

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• In gzip libary, what's the difference between 'uncompress' and 'gzopen' ?

  - by Sol

  There are some functions to decompress in zlib library(zlib version 1.2.3) I want to decompress my source zip(.gz) file using 'uncompress' function. It is now working(error code -3) but gzopen is. It is still not working when I input payload pointer(passing gzip header) to 'uncompress' . So the question is "What's the valid arguments for uncompress function?" and If it needs different format, how can I make it? Google doesn't helpful this time :(

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• Does exists the possibility to enable html 5 features for internet explorer users ?

  - by stighy

  I'm using CSS 3 features like "rounded corner" or "shadow box". IMHO These are fantastic features for people like me with no graphics knowledge. But, i've noticed, IE 7-8 not support CSS 3. So i'm asking you: is there a way to "enable" some features maybe with some javascript functions to include in my html file ? Thank you!

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• Using macro to check null values

  - by poliron

  My C code contains many functions with pointers to different structs as parameters which shouldn't be NULL pointers. To make my code more readable, I decided to replace this code: if(arg1==NULL || arg2==NULL || arg3==NULL...) { return SOME_ERROR; } With that macro: NULL_CHECK(arg1,arg2,...) How should I write it, if the number of args is unknown and they can point to different structs?(I work in C99)

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• In jQuery, is there any way to only bind a click once?

  - by Chris Henry

  I have an ajax app that will run functions on every interaction. I'd like to be able to run my setup function each time so all my setup code for that function remains encapsulated. However, binding elements more than once means that the handler will run more than once, which is obviously undesirable. Is there an elegant way in jQuery to call bind on an element more than once without the handler being called more than once?

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• Change Target of Edge in BGL

  - by Sunny

  If my BGL graph contain edge from node x to node y, and I want to change the target of this edge, so that now it's pointing from x to z, how it can be done? Are there any functions in BGL for that?

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• Suggestions/pointers for Post/Get to an .ASP (or .ASPX) page from a desktop app

  - by Clay Nichols

  I'm planning to have a desktop app interact with some .ASP or .ASPX pages on a server. I've only done a little bit with .asp pages and I'm thinking I'd just Post or Get a URL with some variables: MySite.com/Functions.asp?FunctionName=?Paramater1=somevalue?Parameter2=... I'm wondering if there is any better way to go about this? Am I missing something? Is there perhaps a better way to go about this?

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• Make sure bad patterns don't come back after refactoring

  - by Let_Me_Be

  I'm refactoring an old C code. The code has absolutely no layered architecture (everything is being accessed by everything) and I'm trying to change that. I would like to cut direct access to structure members (at least write for now) and only allow access through access functions. Is there some tool (or perhaps directly the compiler) that could check this rule for me? I need this since I'm maintaining a fork and the upstream isn't very concerned with code quality.

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• Created C header file, getting errors..

  - by Daniel

  Hi, I'v created a C header file (It's compiled), now when i compile my program it comes up with tons of errors like: warning: null character(s) ignored error: stray ‘\23’ in program TheFunctions.h:1722: error: stray ‘\200’ in program Inside the header file is simply two functions, which work in the normal c program. Please help!

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• Get the File name without file extension in VIM function.

  - by tr-sugumar

  I want to get the fine name without the file extension in VIM. I wrote the following functions in my .vimrc file for compile and run the Java program. :function! JAVA_RUN() :!javac %^M :endfunction map <F3> :execute JAVA_RUN()<CR> :source $HOME/.vimrc<CR> In side the function how can I get the file name with out the extension.

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• setting a cookie to be used across web apps

  - by danit

  I have a number of apps all under the same domain: E.g.: app1.overflow.com app2.overflow.com/email app3.overflow.com/home I setting using these functions: http://www.elated.com/articles/javascript-and-cookies How can I setup the cookie so that It can be read across all of the applications? I dont seem to be able to get this to work?

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• Modify static data members from another process?

  - by cake

  In .Net, is it possible for process A to modify the values of some static data members from process B? When running under the same AppDomain, it's possible to do so via Reflection, but about doing so between different process? (via Reflection also. I'm not looking to use functions such as Win32::ReadProcessMemory)

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• How do I call unmanaged C/C++ code from a C# ASP.NET webpage

  - by Mendokusai

  I have an ASP.NET website that uses C# and I'd like to call functions from an unmanaged C/C++ DLL. How do I do it?

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• VB6 code for Reading/Writing Windows Registry values

  - by Clay Nichols

  I'm looking for a good example of reading and writing to the Windows Registry using VB6. Yes, I know there are lots of mediocre examples. I spent an hour googling and testing. Some were incredibly complex, others had only some of the functions, and almost none of it had been vetted in any way (voted on). Since Stack Overflow is intended to the canonical location for answers to programming questions, it seems reasonable to post it here.

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• Linking and Redirecting between multiple applications running under a single system folder

  - by Gurunandan

  I am running multiple applications with a single Codeigniter system/ folder using the recommended way on the Codeigniter wiki. Each application runs fine and I can link between apps using absolute URLs. Is there some way I can use or extend the URL helper class (functions like anchor(), redirect()... etc.) to generate links to controllers across applications. I would like to avoid absolute URLs Thanks!

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• why do you write tests and what is a unit test and how does it differ other types of testing ?

  - by dfafa

  im curious as to know, why tests are written? why would bother writing it ? why not just compile and run the code or view it in your browser, click around and test out stuff. i mean i can understand, a crawler that checks your web app's functions....but why is tests written, maintained and treated as important as the main feature codes ? is it crucial to always write and use tests ?

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