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How to calculate moving average without keeping the count and data-total?
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What's the best way to check if a file exists in C?
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Use stat like this:
#include <sys/stat.h> // stat
#include <stdbool.h> // bool type
bool file_exists (char *filename) {
struct stat buffer;
return (stat (filename, &buffer) == 0);
}
and call it like this:
#includ...
Convert one date format into another in PHP
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Repairing Postgresql after upgrading to OSX 10.7 Lion
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It's a PATH issue. Mac OSX Lion includes Postgresql in the system now. If you do a which psql you'll likely see usr/bin/psql instead of usr/local/bin/psql which is HomeBrew's correct one. If you run brew doctor you should get a message stating that you need...
Deserialize json object into dynamic object using Json.net
... and added a property not in the original json. Screenshot of the debugger included.
– David Peden
Nov 12 '14 at 16:19
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self referential struct definition?
...f. You have to use the structure name, as in the following test program:
#include <stdio.h>
#include <stdlib.h>
typedef struct Cell {
int cellSeq;
struct Cell* next; /* 'tCell *next' will not work here */
} tCell;
int main(void) {
int i;
tCell *curr;
tCell *first;
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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
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The exception clearly identifies some .NET 2.0.50727 component was included in .NET 4.0. In App.config file use this:
<startup useLegacyV2RuntimeActivationPolicy="true" />
It solved my problem
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Unicode equivalents for \w and \b in Java regular expressions?
... in my other answer provides this and quite a few other conveniences. This includes definitions for natural-language words, dashes, hyphens, and apostrophes, plus a bit more.
It also allows you to specify Unicode characters in logical code points, not in idiotic UTF-16 surrogates. It’s hard to ov...
dyld: Library not loaded … Reason: Image not found
...expect your users to change DYLD_LIBRARY_PATH. The correct solution is to include non-standard libraries with the .app and the user won't have to do anything. The developer, however, may still have to hack the loader path as per my answer.
– trojanfoe
Feb 4 '...
Open file via SSH and Sudo with Emacs
...ses the proxy mechanism underneath, tramp-default-proxies-alist should now include the value ("remotehost" "root" "/ssh:you@remotehost:")
Meaning that the proxy /ssh:you@remotehost: is going to be used whenever you request a file as root@remotehost.
root is the default user for these methods, but yo...