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Determine if map contains a value for a key?

...nings, then: template <class Key, class Value, class Comparator, class Alloc> bool getValue(const std::map<Key, Value, Comparator, Alloc>& my_map, int key, Value& out) { typename std::map<Key, Value, Comparator, Alloc>::const_iterator it = my_map.find(key); if (it ...
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In PHP what does it mean by a function being binary-safe?

In PHP what does it mean by a function being binary-safe ? 3 Answers 3 ...
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How do you compare two version Strings in Java?

... Tokenize the strings with the dot as delimiter and then compare the integer translation side by side, beginning from the left. share | ...
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Accurate way to measure execution times of php scripts

I want to know how many milliseconds a PHP for-loop takes to execute. 14 Answers 14 ...
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What are the best Haskell libraries to operationalize a program? [closed]

...gs) has been something I've done in the past. $ ./A +RTS -s 64,952 bytes allocated in the heap 1 MB total memory in use %GC time 0.0% (6.1% elapsed) Productivity 100.0% of total user, 0.0% of total elapsed You can get this in machine-readable format too: $ ./A +RTS -t --machine-readabl...
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How do I make an asynchronous GET request in PHP?

...use error but in my case resulted in request not being processed by called php script. – user3285954 Jun 20 '15 at 22:35 ...
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PHP: exceptions vs errors?

Maybe I'm missing it somewhere in the PHP manual, but what exactly is the difference between an error and an exception? The only difference that I can see is that errors and exceptions are handled differently. But what causes an exception and what causes an error? ...
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How do I print the type or class of a variable in Swift?

...es { let typeLongName = _stdlib_getDemangledTypeName(variable) let tokens = split(typeLongName, { $0 == "." }) if let typeName = tokens.last { println("Variable \(variable) is of Type \(typeName).") } } Output: Variable 5 is of Type Int. Variable 7.5 is of Type Double. Var...
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What is the use of ByteBuffer in Java? [closed]

... empty ByteBuffer with a 10 byte capacity ByteBuffer bbuf = ByteBuffer.allocate(10); // Get the buffer's capacity int capacity = bbuf.capacity(); // 10 // Use the absolute put(int, byte). // This method does not affect the position. bbuf.put(0, (byte)0xFF); // position=0 ...
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What's better at freeing memory with PHP: unset() or $var = null

... name says - unset a variable. It does not force immediate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first. If you are doing $whatever ...