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Parsing command-line arguments in C?
...l address
-V, --version for version information
--usage for usage message
Doing it yourself, which I don't recommend for programs that would be given to somebody else, as there is too much that could go wrong or lower quality. The popular mistake of forgetting about '--' to stop option parsing is j...
Restore Eclipse subversion project connection
...
If you are using sublipse as your SVN provider I recommend doing the following
Team -> Share project is usually enough to connect the metadata.
(that is, assuming that the .svn files are still there which they seem to be if you can work on the command line).
Hope this helps as ...
Read a variable in bash with a default value
...lt value in the prompt between brackets is a fairly common convention
What does the :-Richard part do? From the bash manual:
${parameter:-word}
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted.
Also worth noting that...
In each ...
Why do we need the “finally” clause in Python?
...except TypeError:
run_code2()
return None
other_code() # This doesn't get run if there's an exception.
Other situations that can cause differences:
If an exception is thrown inside the except block.
If an exception is thrown in run_code1() but it's not a TypeError.
Other control flo...
How to force the browser to reload cached CSS/JS files?
...o_version($file)
{
if(strpos($file, '/') !== 0 || !file_exists($_SERVER['DOCUMENT_ROOT'] . $file))
return $file;
$mtime = filemtime($_SERVER['DOCUMENT_ROOT'] . $file);
return preg_replace('{\\.([^./]+)$}', ".$mtime.\$1", $file);
}
Now, wherever you include your CSS, change it from this:...
Is there a difference between PhoneGap and Cordova commands?
I just installed Phonegap for the first time and just browsed through the docs. What confuses me is the fact that some docs are using the command "phonegap" and some "cordova".
...
Can anyone explain IEnumerable and IEnumerator to me? [closed]
...
for example, when to use it over foreach?
You don't use IEnumerable "over" foreach. Implementing IEnumerable makes using foreach possible.
When you write code like:
foreach (Foo bar in baz)
{
...
}
it's functionally equivalent to writing:
IEnumerator bat = baz.G...
Ball to Ball Collision - Detection and Handling
...r the distance between their centers is less than two times the radius. To do a perfectly elastic collision between the balls, you only need to worry about the component of the velocity that is in the direction of the collision. The other component (tangent to the collision) will stay the same for b...
UIDevice uniqueIdentifier deprecated - What to do now?
...is with en0. The MAC is always present, even if the interface has no IP/is down.
Edit 2: As was pointed out by others, the preferred solution since iOS 6 is -[UIDevice identifierForVendor]. In most cases, you should be able use it as a drop-in replacement to the old -[UIDevice uniqueIdentifier] (bu...
Modifying the “Path to executable” of a windows service
I'd like to modify the path to my application, but doing so breaks it because the service still points to the old location.
...