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Thread pooling in C++11

... system can support: int Num_Threads = thread::hardware_concurrency(); 2) For an efficient threadpool implementation, once threads are created according to Num_Threads, it's better not to create new ones, or destroy old ones (by joining). There will be performance penalty, might even make your a...
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Why we should not use protected static in java

...ng[] args) throws java.lang.Exception { System.out.println(new Test2().getTest()); Test.test = "changed"; System.out.println(new Test2().getTest()); } } abstract class Test { protected static String test = "test"; } class Test2 extends Test { public String getTe...
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PHP “php://input” vs $_POST

...st looks something like this: POST /page.php HTTP/1.1 key1=value1&key2=value2&key3=value3 But if you are working with Ajax a lot, this probaby also includes exchanging more complex data with types (string, int, bool) and structures (arrays, objects), so in most cases JSON is the best cho...
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Select random lines from a file

... | edited Jun 16 '16 at 20:48 DomainsFeatured 1,25411 gold badge1919 silver badges3131 bronze badges a...
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How can I override inline styles with external CSS?

...:05 Mark 2,15111 gold badge1212 silver badges2020 bronze badges answered May 29 '13 at 11:58 Rohit AgrawalRohi...
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Pointer vs. Reference

... 12 Answers 12 Active ...
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Passing command line arguments in Visual Studio 2010?

...ut how to pass command line arguments to my main function in Visual Studio 2010 Express Edition. I want to debug - how do these command line arguments work? ...
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Convert a python 'type' object to a string

... 227 print type(someObject).__name__ If that doesn't suit you, use this: print some_instance.__c...
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Oracle: If Table Exists

...ABLE ' || table_name; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END; ADDENDUM For reference, here are the equivalent blocks for other object types: Sequence BEGIN EXECUTE IMMEDIATE 'DROP SEQUENCE ' || sequence_name; EXCEPTION WHEN OTHERS THEN ...
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Select element based on multiple classes

...two classes? "Chain" the selectors (no spaces between them): .class1.class2 { /* style here */ } This selects all elements with class1 that also have class2. In your case: li.left.ui-class-selector { } Official documentation : CSS2 class selectors. As akamike points out a problem with...