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Stack smashing detected

...ple in the following snippet: #include <stdio.h> void func() { char array[10]; gets(array); } int main(int argc, char **argv) { func(); } The compiler, (in this case gcc) adds protection variables (called canaries) which have known values. An input string of size greater than ...
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Replace multiple characters in one replace call

...str.replace(/#|_/g,''); // result: "this is a test" You could also use a character class: str.replace(/[#_]/g,''); Fiddle If you want to replace the hash with one thing and the underscore with another, then you will just have to chain. However, you could add a prototype: String.prototype.allR...
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How to get the last char of a string in PHP?

I need to get the last character of a string. Say I have "testers" as input string and I want the result to be "s". how can I do that in PHP? ...
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Which MySQL data type to use for storing boolean values

... Yeah, I'd go for either this or, for a CHAR(1) and store 'Y'/'N' or 'T'/'F' etc. depending upon the context. The advantage of using a small integer type is that you get maximum portability across RDBMS-es – Roland Bouman May ...
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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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How to make an OpenGL rendering context with transparent background?

...pragma comment (lib, "glu32.lib") #include <assert.h> #include <tchar.h> #ifdef assert #define verify(expr) if(!expr) assert(0) #else verify(expr) expr #endif const TCHAR szAppName[]=_T("TransparentGL"); const TCHAR wcWndName[]=_T("WS_EX_LAYERED OpenGL"); HDC hDC; HGLRC ...
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invalid multibyte char (US-ASCII) with Rails and Ruby 1.9

...ave you tried adding a magic comment in the script where you use non-ASCII chars? It should go on top of the script. #!/bin/env ruby # encoding: utf-8 It worked for me like a charm. share | impro...
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Extracting substrings in Go

...ncluding whitespace), then process it. Using bufio.ReadString, the newline character is read together with the input, so I came up with the following code to trim the newline character: ...
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What does it mean by buffer?

...ample. In a C program, for example, you might have: #define BUFSIZE 1024 char buffer[BUFSIZE]; size_t len = ; // ... later while((len=read(STDIN, &buffer, BUFSIZE)) > 0) write(STDOUT, buffer, len); ... which is a minimal version of cp(1). Here, the buffer array is used to store the ...
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Adding two numbers concatenates them instead of calculating the sum

... I kept making this mistake which always concats: var k += Number(i) – John Phelps May 29 '19 at 18:43 ...