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• 'goto' usage

  - by Landon

  I've long been under the impression that 'goto' should never be used if possible. While perusing libavcodec (which is written in C) the other day, I noticed multiple uses of it. Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?

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• Appending javascript code piece to end of the body tag

  - by uzay95

  I am looking for a way to insert javascript code block to end of ASP.NET page. Page.ClientScript.RegisterClientScriptBlock(typeof(Page), "showVideo", sScript, true); is appending to body but js codes are always requesting some js files didn't load or some functions are below of the script. How can i append scripts that i generated dynamically to the bottom of body? Thanks for your help.

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• How to call a unmanaged C++ exe from managed c++ exe.

  - by Maestro

  Please tell me how to call a unmanaged c++ exe functions from managed c++ exe or dll? help with code example would be more useful. Thank you

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• what is use of .exp and what is the difference between .lib and .dll

  - by Vineel Kumar Reddy

  During compilation and linking.....what is use of .exp and what is the difference between .lib and .dll . I know that .lib will be used while linking and .dll will be used when running the program... but what exactly is the difference between .lib and .dll does .lib contain the code for the functions comming from .dll? please clarify me... thanks inadvance

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• Standard library function in R for finding the mode?

  - by Nick

  In statistical language R, mean() and median() are standard functions which do what you'd expect. mode() tells you the internal storage mode of the R object, not the value that occurs the most in its argument. But surely there is a standard library function that implements mode for a vector (or list).

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• Why aren't IOKit notifications being delivered with this code?

  - by gojohnnyboi

  I wrote this code to subscribe to USB devices being plugged in and unplugged; the point is for IOKit to deliver notifications to my iAttached() and iDetached() functions when the corresponding events occur. However, I don't get notifications. The code can be seen here: http://gist.github.com/402391 I didn't want to over-populate this page with it, as it is moderately long.

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• can i perform xml operations in XMLLITE with the same features of MSXML?

  - by Rajakumar

  Hi , I know something about MSXML parser ,to create an xml with native code ..Msxml depends COM..So I want to create xml without com and dom ,so i wish to choose XMLLITE..but i dont know full details about xmllite ,when i was read the xmllite documentation in msdn ,i gathered some points ,they will provide only 2 things (IXMLReader & IxmlWriter).Here in msxml ,i had many functions to do xml operations ,such as selectsinglenode,appendchild ..Now can i perform the same things with XMLLITE?..please give me the right choice towards this ...

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• My OGL SDK missing things?

  - by user146780

  I downloaded this: http://www.videotutorialsrock.com/opengl2.exe . I'm trying to follow a tutorial to setup multisampling but GL_MULTISAMPLING_ARB is not defined, and many necessary wgl functions do not seem to be defined. Wht's wrong exactly? Thanks

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• Any benefits of using Windows Communication Foundation/ Web Services vs. a simple .aspx page for s

  - by Clay Nichols

  I'm working on a VB6 app that will do some very simple communication with a web server (passing value and getting back an anwer. Low bandwith and infrequent use). Someone suggested using WCF or Web Services. I'm wondering what the advantages are vs. just posting to an ASPX page like: Myserver.com/Functions.ASP?FunctionName=GetValue?UserName=BubbGump and returning some simple, easy to parse text, like one value per line.

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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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• TextMate can show definition of a function easily?

  - by Jian Lin

  I am using TextMate on a Ruby on Rails project and wonder if you can put the mouse on link_to, and then press a key and it will show the definition of link_to, or does this for any other helper functions? Or, click open a box and type in a function name and it will show you the definition?

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• How does init() get called on a Handler in a WebApp

  - by stevebot

  Hey, I have a Handler object that functions kind of like a service. It has a public init method defined in the Implementation but not the Interface. This Handler is also being autowired via Spring. How does the init method get invoked? Is it via Spring or does Tomcat call this?

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• How to access CRM 4.0 settings programmatically?

  - by Shaamaan

  Some of the plugins I wrote (re)calculate various prices, and I used Math.Round to keep results accurate with the default 2 digit setting in CRM. But I figured... what if a user decides to set his CRM to use a different precision? So, I need to access the CRM settings programmatically, so that my functions can work with whatever setting the user chooses. How would I go about accessing the General (and, possibly, other) CRM settings from my code?

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• MySQL function to compare values in a db table against the previous

  - by Stuart

  Iam quite new to functions in SQL and I would like to create a function to compare values in a MySQL table against previous and I am not sure how to do this. For example (iId is the input value) DECLARE pVal INT(20); DECLARE val INT(20); SELECT price INTO pVal FROM products WHERE Id=iId; SELECT price FROM products; IF price == pVal THEN SET val = price; END IF; Thanks

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• C++ choose function by return type.

  - by anon

  I realize standard C++ only picks functions by argument type, not return type. I.e I can do something like: void func(int); void func(double); but not double func(); int func(); Where in the former, it's clear, in the latter, it's ambigious. Are there any extensions that lets me tell C++ to pick which function to use also by return type? Thanks!

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• Fastest way to find the largest power of 10 smaller than x

  - by peoro

  Is there any fast way to find the largest power of 10 smaller than a given number? I'm using this algorithm, at the moment, but something inside myself dies anytime I see it: 10**( int( math.log10(x) ) ) # python pow( 10, (int) log10(x) ) // C I could implement simple log10 and pow functions for my problems with one loop each, but still I'm wondering if there is some bit magic for decimal numbers.

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• Android runs OpenGL ES 1.1 or 1.0?

  - by cjserio

  I'm developing a native app for Android and I'm trying to use functions such as glIsEnabled which appear to be only available in OpenGL ES 1.1. Google's docs claim that NDK 1.6R1 supports OpenGL ES v1.1 but the function call fails with "unimplemented Open GL ES API" and if i do a glGetString(GL_VERSION) it returns "OpenGL ES 1.0 CM" as the version. So if 1.1 is available, what do I have to link against to get it or what else do i need to change to get it?

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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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• What does (void**) mean in C?

  - by numerical25

  I would look this up, but honestly I wouldn't know where to start because I don't know what it is called. I've seen variables passed to functions like this: myFunction((void**)&variable); Which confuses the heck out of me cause all of those look familiar to me; I've just never seen them put together like that before. What does it mean? I am a newb so the less jargon, the better, thanks!

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• how to use alert in php and js combined

  - by user295189

  have a need to alert through php, I have the code below. Problem is that it works as long as I dont use header redirect. But as soon as I use it..I loose alert. echo "I will do some functions here in php"; if($value == 1){ alert('ok working'); } header(location: 'someOtherpagethanthis.php');

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• How do I jump to a method in RubyMine?

  - by Simon

  In Visual Studio, the editor has a drop-down list of functions in the current class; clicking on one will take me to the top of that function. Is there a way to get a similar behaviour from RubyMine?

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• Getting out of a recursive function at the topmost level in C++

  - by Phenom

  Say that you are several levels deep into a recursive function. The function was originally called in main. Is there a way for you to break out of the recursion and go straight back to main without having to go through all the other functions above?

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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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• How do I create and read non-global variables that aren't destroyed at end of function?

  - by Paul Reilly

  I am attempting to code some plugins to use with MIDI sequencers but have hit a stumbling block. I can't use global-scope variables to store information because multiple instances of the .dll can exist which share memory. How do I create a class (for re-usability purposes in other plugins) containing 2 dimensional array and other variables the content of which is to be shared between functions? If that is possible, how would I read and write the data from the function in the framework where I do the processing?

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• Can I concatenate multiple MySQL rows into one field?

  - by Dean

  Using MySQL, I can do something like select hobbies from peoples_hobbies where person_id = 5; and get: shopping fishing coding but instead I just want 1 row, 1 col: shopping, fishing, coding The reason is that I'm selecting multiple values from multiple tables, and after all the joins I've got a lot more rows than I'd like. I've looked for a function on MySQL Doc and it doesn't look like the CONCAT or CONCAT_WS functions accept result sets, so does anyone here know how to do this?

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