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Convenient C++ struct initialisation

...t;iostream> #include <filesystem> struct hello_world { const char* hello; const char* world; }; int main () { hello_world hw = { .hello = "hello, ", .world = "world!" }; std::cout << hw.hello << hw.world << std::endl; return 0; }...
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is vs typeof

... ~75ms b = Is<int, int>(s1); // ~136ms b = GetType1<int, char>(s2); // ~238ms b = GetType2<int, char>(s2); // ~69ms b = Is<int, char>(s2); // ~142ms b = GetType1<int, object>(os1); // ~178ms b = Is<int, object>(os1); // ~69ms b = Get...
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do { … } while (0) — what is it good for? [duplicate]

... @WChargin: the "goto fail" code in the article you linked too would have failed with a "break" too. Somebody just duplicated a line there. It wasn't goto's fault. – Niccolo M. Jun 15 '14 a...
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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes

...ONGTEXT | 4,294,967,295 (232−1) bytes = 4 GiB Note that the number of characters that can be stored in your column will depend on the character encoding. share | improve this answer | ...
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Accessing inactive union member and undefined behavior?

...object representation of an object of type T is the sequence of N unsigned char objects taken up by the object of type T, where N equals sizeof(T). The value representation of an object is the set of bits that hold the value of type T. For trivially copyable types, the value representation is a ...
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iOS JavaScript bridge

...NSString *)bar; - (void)testfoo; + (BOOL)isKeyExcludedFromWebScript:(const char *)name; + (BOOL)isSelectorExcludedFromWebScript:(SEL)aSelector; + (WebScriptBridge*)getWebScriptBridge; @end static WebScriptBridge *gWebScriptBridge = nil; @implementation WebScriptBridge - (void)someEvent: (uint64_t)...
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Use space as a delimiter with cut command

... can you tell cut to use any number of a certain character as the delimiter, like in RegEx? e.g. any number of spaces, e.g. \s+ – amphibient Nov 1 '12 at 15:42 ...
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Is 'switch' faster than 'if'?

...ecific questions: Clang generates one that looks like this: test_switch(char): # @test_switch(char) movl %edi, %eax cmpl $19, %edi jbe .LBB0_1 retq .LBB0_1: jmpq *.LJTI0_0(,%rax,8) jmp void call<0u>() ...
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C# - how to determine whether a Type is a number

...IsPrimitiveImple && type != typeof(bool) && type != typeof(char)); The primitive types are Boolean, Byte, SByte, Int16, UInt16, Int32, UInt32, Int64, UInt64, Char, Double,and Single. Taking Guillaume's solution a little further: public static bool IsNumericType(this ...
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How should I escape strings in JSON?

...read on. Escape it according to the RFC. JSON is pretty liberal: The only characters you must escape are \, ", and control codes (anything less than U+0020). This structure of escaping is specific to JSON. You'll need a JSON specific function. All of the escapes can be written as \uXXXX where XXXX...