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How to drop unique in MySQL?

...l tab.This removes the index of the particular column. It worked for me in PHP MyADMIN share | improve this answer | follow | ...
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Detect Android phone via Javascript / jQuery

...to Android-site? window.location = 'http://android.davidwalsh.name'; } PHP: $ua = strtolower($_SERVER['HTTP_USER_AGENT']); if(stripos($ua,'android') !== false) { // && stripos($ua,'mobile') !== false) { header('Location: http://android.davidwalsh.name'); exit(); } Edit : As poin...
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]

...tools. Programmers who like simplicity and directness will continue to use PHP, or similar languages. Alas, Java programmers are much into power tools, so, in answering that, I have just revised my expectation of mainstream Scala adoption. I have no doubt at all that Scala will become a mainstream...
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Why is there no Constant feature in Java?

...calling some method with side effects. final is somewhat similair to stack allocation of C++ in terms of refering to an object rather than a pointer, but that's all it is. This is ofcourse in addition to what dom0 already said. – Tim Mar 28 '16 at 18:22 ...
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How does the new automatic reference counting mechanism work?

...bjects on different lines? Those statements even tell you on what line you allocated the object. This has been taken a step further and now can insert retain/release statements at the proper locations, better than most programmers, almost 100% of the time. Occasionally there are some weird instances...
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How to return smart pointers (shared_ptr), by reference or by value?

... N strings in the vector, each copy could require as many as N+1 memory allocations and a whole slew of cache-unfriendly data accesses > as the string contents are copied. Rather than confront that sort of anxiety, I’ve often fallen back on pass-by-reference to avoid needless copies: ...
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Comet and jQuery [closed]

... module and includes code for simple publisher/subscriber roles in jQuery, PHP, and Bash. http://blog.jamieisaacs.com/2010/08/27/comet-with-nginx-and-jquery/ A working example (simple chat) can be found here: http://cheetah.jamieisaacs.com/ ...
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Do you leave parentheses in or out in Ruby? [closed]

... I agree. In php for example I can quickly spot a var by the $ prefix.. in javascript I can reconize a function by the parenthesis(). In Ruby the difference between a var or func (without parenthesis) is not always easy to see. ...
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Using {} in a case statement. Why?

...l switch cases. Micro optimizations- scope for a really expensive resource allocated variable that you want to destruct as soon as you leave the scope of the case, or even a more spaghetti scenario of the "GOTO" command usage. ...
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Is inline assembly language slower than native C++ code?

...e-program optimization and inter-procedural optimization such as register allocation, constant propagation, common subexpression elimination, instruction scheduling and other complex, not obvious optimizations (Polytope model, for example). On RISC architecture guys stopped worrying about this many...