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warning: implicit declaration of function

...er has not seen the declaration. */ return 0; } int fun(int x, char *p) { /* ... */ } You need to declare your function before main, like this, either directly or in a header: int fun(int x, char *p); sha...
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JavaScript: Passing parameters to a callback function

...ft(); return function(){ return fn.apply(object, args.concat(Array.prototype.slice.call(arguments))); }; }; } Example bind() - PrototypeJS Documentation share | impr...
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angular ng-repeat in reverse

..., 4]; $scope.reverse = function(array) { var copy = [].concat(array); return copy.reverse(); } }); </script> </head> <body ng-controller="Ctrl"> <ul> <li ng-repeat="item in items">{{item}}</li> </u...
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Split comma-separated strings in a column into separate rows

... occasions, because the datatable approaches only produce tables with the "selected" columns, while dplyr produces a result with all the columns (including the ones not involved in the analysis and without having to write their names in the function). – Ferroao ...
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Best practices for circular shift (rotate) operations in C++

...lude <stdint.h> // for uint32_t #include <limits.h> // for CHAR_BIT // #define NDEBUG #include <assert.h> static inline uint32_t rotl32 (uint32_t n, unsigned int c) { const unsigned int mask = (CHAR_BIT*sizeof(n) - 1); // assumes width is a power of 2. // assert ( (c<...
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Use C++ with Cocoa Instead of Objective-C?

...ving it an extension of .mm, or by right-clicking on the file in Xcode and selecting Get Info > General then changing the File Type to sourcecode.cpp.objcpp. The second option is useful if you have a .cpp file where you want to use Objective-C within a Mac-specific #ifdef. ...
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How do pointer to pointers work in C?

...his case, if this is the only occurrence of "hello" in memory then, const char *c = "hello"; ... defines c to be a pointer to the (read-only) string "hello", and thus contains the value 63. c must itself be stored somewhere: in the example above at location 58. Of course we can not only point to ...
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URLEncoder not able to translate space character

...be encoded as follows: Control names and values are escaped. Space characters are replaced by `+' You will have to replace it, e.g.: System.out.println(java.net.URLEncoder.encode("Hello World", "UTF-8").replace("+", "%20")); ...
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import .css file into .less file

... Perfect. This works well when you want to concat some CSS files (e.g. in an ie7.less), but not necessarily process them (e.g. bootstrap-ie7 uses expressions, which LESS doesn't handle well). – Joe Jun 26 '14 at 18:56 ...
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In C/C++ what's the simplest way to reverse the order of bits in a byte?

... This should work: unsigned char reverse(unsigned char b) { b = (b & 0xF0) >> 4 | (b & 0x0F) << 4; b = (b & 0xCC) >> 2 | (b & 0x33) << 2; b = (b & 0xAA) >> 1 | (b & 0x55) << 1; retu...