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• Silent the stdout of a function in python without trashing sys.stdout and restoring each function ca

  - by Tim McJilton

  Is there a way in python without wrapping a function call like following? from sys import stdout from copy import copy tempstdout = copy(stdout) stdout = file("trash",w) foo() stdout = tempstdout That way works but appears to be terribly inefficient. There has to be a better way... I would appreciate any insight I can get into this.

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• Calling a function automatically in C#.Net

  - by mouthpiec

  Hi, I would like to call a function automatically lets say every 2 secs. Is this possible with .NET, and if so can you please paste some code? This will be used in Windows Mobile 6 SDK thanks

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• static thread function access non-static class member in C++

  - by user397390

  Class Test{ int value; static void* thread_func(void* args){ value++; } void newthread(){ pthread_create(&thread_func,...); } } I'm trying to create a thread in Class Test. Therefore compiler forces me to make thread_func static. However I cannot access the non-static member "value" anymore. It says: invalid use of member 'Class::value' in static member function Is there a way around it?

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• What's the usage if I provide an implementation for a pure virtual function in C++

  - by skydoor

  I know that it's OK for a pure virtual function to have an implementation. However, why it is like this? Is there conflict for the two concepts? What's the usage? Can any one offer any example?

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• Visual Studio 2005 ignoring main function C++

  - by den bardadym

  I create empty project. Add some dll and lib. Then I include header file from one library and the program begin ignore main function, when i execute it. No errors during building was. Such behavior shoke me. It seems program use DllMain or so on. Any suggestion? Thanks.

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• How to execute Javascript function in C++

  - by owais masood

  Please tell me, how to include a javascript header file or javascript function in C++ code. The C++ code is written in Linux(UBUNTU)? Although i need to perform the above action only, but let me tell u my purpose of doing it, as i am intending to implement CTI (Computer Telephony Integration) operation. (Help will be appreciated) Thanks a lot in advance

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• Ajax function not called when included

  - by Sev

  I have an ajax function that is not run when the ajax script is included in my HTML page like so: <script type='text/javascript' src='ajax.js'></script> However, if I place the exact same script in the head portion of the HTML page, then it does run. Why does this occur, and how can I fix it?

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• Looking for a fast hash-function.

  - by Julian

  Hello, I'm looking for a special hash-function. Let's say I have a large list of strings, if I order them by their hash-values they should be ordered quasi randomly. The most important point is: it must be super fast. I've tried md5 and sha1 and they're using to much cpu power. Clashes are not a problem. I'm using javascript, so it shouldn't be too complicated to implement.

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• How can I pass a C++ member function to a C API as a parameter

  - by michael

  Hi, In my C++ program, I need to call this c API: GConn* gnet_conn_new (const gchar *hostname, gint port, GConnFunc func); where GConnFunc is defined as: void (*GConnFunc) (GConn *conn); My question is if I have a C++ class and have a member function like Class A { public: A(); void my_func (GConn* conn); } In my A::A() Constructor, how can I pass this-myfunc to gnet_conn_new as the GConnFunc parameter? Thank you.

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• C++ Pointer to a function which takes an instance of a templated class as argument

  - by Nils

  I have trouble compiling a class, which has function pointers as member variables. The pointers are to functions which take an instance of a class as argument. Like template<class T, int N> double (*f)(Vector<T,N> v); I get "error: data member 'f' cannot be a member template" Compiler is gcc 4.2.

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• PHP Array in MySQL IN() function?

  - by Trez

  Is it possible to assign php array in MySQL IN() function? for example, $numbers = array('8001254656','8886953265','88864357445','80021536245'); $sql = mysql_query("SELECT * FROM `number_table` WHERE `number` IN ($numbers)"); Any Ideas? Thanks,

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• Calling a function in the Form Class from another Class, C# .NET

  - by mouthpiec

  Hi, Can someone please let me know by some code how I can call a function located in the Form class from another class? Some code will be of great help! thanks

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• A 16-digit hashing function

  - by Aly

  Is there a hash function that returns a 16-digit hex value (as MD5 returns 32-digit), or is there a library (for C++) in which I can use MD5 or SHA-1 which returns a 16-digit value

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• Javascript !something && function()

  - by cpf

  Hi Stackoverflow, I have been looking at the source code of raphael (http://raphaeljs.com/index.html) and I see a lot of stuff like !variable && function() (e.g.: !svg.bottom && (svg.bottom = this); ) What does that exactly do? Does it check first and execute only if not true? Thanks.

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• computed column with aggregate function

  - by Kindson

  I have seven columns in my table: hours, weight, status, total_hours, total_weight and percentage total_weight = weight where status = 'X' total_hours = hours where status = 'X' percentage = total_hours/sum(weight) sum(weight) is an aggregate function I would like to specify formula to generate the three computed columns. What do i do?

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• Using Jquery autocomplete - looking for example of overriding the filllist() function

  - by TLL

  I'm using the JQuery autocomplete plugin. I wish to override the implementation of the filllist() function. Can someone point me to an example of how to do this?

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• Warning: sqlite_query() [function.sqlite-query]: attempt to write a readonly database

  - by Surya sasidhar

  The error-Warning: sqlite_query() [function.sqlite-query]: attempt to write a readonly database is coming whenever i try to insert values into a sqllite 1.1 database thru php program. php version is 5.2.

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• Create a new instance in a static function of an abstract class

  - by arno

  abstract class db_table { static function get_all_rows() { ... while(...) { $rows[] = new self(); ... } return $rows; } } class user extends db_table { } $rows = user::get_all_rows(); I want to create instances of a class from a static method defined in the abstract parent class but PHP tells me "Fatal error: Cannot instantiate abstract class ..." How should I implement it correctly?

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• C++: how to declare template array as function parameter

  - by ~buratinas

  Very similar to this post How can I declare template array as a parameter in templated function? Something like this code: template <unsigned i> void my_func (char (&a)[i]); //yes, I do need that reference

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• Javascript syntax with () - function scope

  - by Fabien

  I am not very familiar with the Javascript syntax bellow. Can anyone shade light about the sense of this block? For what purpose? (function foo() { alert('bar'); })(); Thanks in advance.

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• Function point count given source code

  - by user354822

  Given the source code of a program, how do I analyze it and count the function points within it? Thanks!

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• captcha error Warning: session_start() [function.session-start]:Cannot send session cache limiter -

  - by user363534

  Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\xampp\htdocs\program\sanweetha\quotation.php:280) in C:\xampp\htdocs\program\sanweetha\php\captcha demo\captcha_demo.php on line 1

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• Java: popen()-like function?

  - by Mark Harrison

  This is in the context of a local Processing program. I would like to run an external program to get some data. Is there a popen() or equivalent function I can use?

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• PHP alias @ function

  - by SyaZ

  I'm new to PHP and I'm confused seeing some examples calling a function with a @ prefix like @mysql_ping(). What is it for? Googling / searching is not much of a help since @ gets discarded and 'alias' is not good enough keyword.

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• how can i call a javascript function when an ASP.net validation summary is filled

  - by july

  i have a validationSummary in my page. i want to call a javascript function after the validationSummary is filled. how can i achieve this? i think i should add an attribute in the code behind, but i can't figure out what is the attribute's key. any help?

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