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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...
Favicon dimensions? [duplicate]
... forms. XHTML5 is only valid if the document is served as an XML document. Including the closing slash in HTML5 or any other non-XHTML variant is invalid, but forgiven by all browsers. Given that IE could never handle XHTML served properly, it became standard practice to server it as HTML, but this ...
What is the difference between Google App Engine and Google Compute Engine?
...ize pieces of code that execute in response to different events, which may include HTTP requests, changes in Cloud Storage, etc.
The biggest difference with App Engine is that functions are priced per 100 milliseconds, while App Engine's instances shut down only after 15 minutes of inactivity. Anot...
How to determine day of week by passing specific date?
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How to leave/exit/deactivate a Python virtualenv
... lol I was thinking (clap-on; clap-off). I guess we could also include (jerk--)
– Edison
Jan 15 at 4:54
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Is there a “do … while” loop in Ruby?
...me(basename, n))
lock = tmpname + '.lock'
n += 1
end while @@cleanlist.include?(tmpname) or
File.exist?(lock) or File.exist?(tmpname)
At first glance, I assumed the while modifier would be evaluated before the contents of begin...end, but that is not the case. Observe:
>> begin
?> ...
how to convert milliseconds to date format in android?
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
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Android Studio - Ambiguous method call getClass()
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There's now a fix. It will probably be included in v0.9.3
– pfmaggi
Nov 6 '14 at 14:37
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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...