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• what is difference between fork and thread

  - by pavun_cool

  Hi All, Can you any one explain me about what is difference between fork and thread ..? Thanks

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• Need Information on XslCompiledTransform in Plain English

  - by M Murphy

  Does anybody have any links that explain proper implementation of the XSLCompiledTransform? Thanks

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• Are the atomic builtins provided by gcc actually translated into the example code, or is that just f

  - by Jared P

  So I was reading http://gcc.gnu.org/onlinedocs/gcc-4.1.0/gcc/Atomic-Builtins.html, and came across this: type __sync_and_and_fetch (type *ptr, type value, ...) type __sync_xor_and_fetch (type *ptr, type value, ...) type __sync_nand_and_fetch (type *ptr, type value, ...) These builtins perform the operation suggested by the name, and return the new value. That is, { *ptr op= value; return *ptr; } { *ptr = ~*ptr & value; return *ptr; } // nand Is this code literal? or is it just to explain what gcc is doing atomically using c-like syntax? And if this is the direct translation, can someone explain how it is atomic?

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• what is repository in doctrine?

  - by ajsie

  i wonder what a repository means in doctrine? could someone please explain?

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• Java Multithreading Challenge

  - by KJP

  Can someone explain or give an example on how to create multiple threads with different functionalities in JAVA?

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• virtual function

  - by saha

  what are virtual functions? what is pure virtual function? please explain with example

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• difference between serialization and synchronization in java?

  - by androidbase Praveen

  what is the difference between serialization and synchronization in java? explain or need tutorial plz.

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• behavior of memset

  - by Vinicius Horta

  Does this function has the same behavior that 'memset'? (Oops! Your question couldn't be submitted because: Your post does not have much context to explain the code sections; please explain your scenario more clearly. ) inline void SetZeroArray( void *vArray[], unsigned int uArraySize ) { for(unsigned i=0; i<=uArraySize; i++ ) vArray[i] = NULL; } int main( int argc, char *argv[] ) { unsigned int uLevels[500]; SetZeroArray( (void**)uLevels, 500 ); unsigned int ulRLevels[500]; memset( &ulRLevels, 0, sizeof( ulRLevels ) ); system("pause>nul"); return EXIT_SUCCESS; }

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• why '7' + 4 gives '74' whereas '7' - 4 gives 3 in javascript?

  - by diEcho

  i read this question in some post on SO, so please explain this. Thanking you.

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• Find mirror point

  - by dragon

  How to find mirror point of right angle triangle ?Can any one explain me how to do this ?

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• Assigning a pointer variable to a const int in C++?

  - by John

  I'm wondering if anyone can explain the following to me: If I write int i = 0; float* pf = i; I get a compile error (gcc 4.2.1): error: invalid conversion from ‘int’ to ‘float*’ Makes sense - they are obviously two completely different types. But if instead I write const int i = 0; float* pf = i; It compiles without error. Why should the 'const' make a difference on the right hand side of the assignment? Isn't part of the idea of the 'const' keyword to be able to enforce type constraints for constant values? Any explanation I have been able to come up with feels kind of bogus. And none of my explanations also explain the fact that const int i = 1; float* pf = i; fails to compile. Can anyone offer an explanation?

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• What is the difference between ViewState,Application and Session of a Page ?

  - by Praveen

  Hi All, Please anyone explain me the difference between ViewState,Application and Session of a Page ?

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• How can I paste some string to the active window in Python?

  - by Shady

  Can someone make me an example or explain to me how can I paste something to the active window with Python?

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• Steps to implement LDAP on my website using PHP

  - by PHP-Prabhu

  Can any one please let me explain step by step implementation for LDAP on my site using PHP

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• HOW to parser an EXCELvia PHP

  - by justjoe

  sorry, can anybody help point me to a reference or just explain about how to parser an excel file in general ?

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• Is writing portable code important? [closed]

  - by Knowing me knowing you

  If yes how would you explain such great popularity of C#?

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• What is meant by A/B testing of a website?

  - by metal-gear-solid

  Please explain (with examples) what is meant by A/B testing of a website.

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• warnings in Eclipse

  - by lego69

  hello, can somebody please explain what does this warning mean undefined reference to 'WinMain@16' thanks in advance

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• What does ||= mean in Ruby?

  - by collimarco

  Can you explain me its meaning or give the link to the API page (which I couldn't find)?

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• How does the stream manipulators work?

  - by Narek

  It is well known that the user can define stream manipulators like this: ostream& tab(ostream & output) { return output<< '\t'; } And this can be used in main() like this: cout<<'a'<<tab<<'b'<<'c'<<endl; Please explain me how does this all work? If operator<< assumes as a second parameter a pointer to the function that takes and returns ostream &, then please explain my why it is necessary? What would be wrong if the function does not take and return ostream & but it was void instead of ostream &? Also it is interesting why “dec”, “hex” manipulators take effect until I don’t change between them, but user defined manipulators should be always used in order to take effect for each streaming?

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• What's the real use of a Tuple ?

  - by Praveen

  Hi All, Can someone please explain what's the real use of a Tuple ?

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• Why is rails called a dsl?

  - by b_ayan

  Recently, when I tried to explain why Rails is a DSL to an intern at my organisation, I was not able to articulate my reasonings to the effect I would like to. Maybe I do not understand the space well enough to teach the nuances. Redirecting him to Martin Fowler' article or the google ranked one InfoQ or other material has not helped much either. Can some explain why Rails is a DSL with an example / parallel situation which is not voodoo stuff for someone who is fairly new to the world of code? Understanding the ideology might also help in elaborating the intricacies of the rails ecosystem?

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• Memory allocation in Java [closed]

  - by hari

  Explain the memory allocation in Java for a written program.

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• android question about service and the method onstartcommand

  - by user516883

  In a service class there is a method to start the service. If that service gets done executing does it runs onstartcommand from the beginning? Is onstartcommand sorta like a loop as long as the service is running. For example i have onstartcommand { int x = 0; if(x == 0){ } else{ } } After that is complete does it run it again. If you know that answer please explain. I have read google explanation of services and it did not explain that part very well. Is onstartcommand sorta like a loop as long as the service is runnning

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• While with multiple conditions

  - by lego69

  Can somebody please explain why an expression (I study C) like while(a!=1 || b!=1 || c!=1) causes problems

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