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How to query MongoDB with “like”?
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Actually, it depends. If the query doesn't use an index, and must do a table scan, then it can certainly be expensive. If you're doing a 'starts with' regex query, then that can use an index. Best to run an explain() to see what's happening.
– Kyle Banker
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Unsubscribe anonymous method in C#
...or me because the desired behavior was to unsubscribe after the event was handled.
Example:
MyEventHandler foo = null;
foo = delegate(object s, MyEventArgs ev)
{
Console.WriteLine("I did it!");
MyEvent -= foo;
};
MyEvent += foo;
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Accessing console and devtools of extension's background.js
I just started out with Google Chrome extensions and I can't seem to log to console from my background js. When an error occurs (because of a syntax error, for example), I can't find any error messages either.
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How to schedule a function to run every hour on Flask?
I have a Flask web hosting with no access to cron command.
8 Answers
8
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How to clear a notification in Android
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I don't know why this isn't upvoted more and selected as the answer. This was the solution I was looking for. Thanks!
– loeschg
Jan 29 '13 at 23:48
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How to programmatically cause a core dump in C/C++
...>
: : :
raise (SIGABRT);
Calling abort() will also cause a core dump, and you can even do this without terminating your process by calling fork() followed by abort() in the child only - see this answer for details.
shar...
Get a filtered list of files in a directory
...noticed that the Python docs say glob() "is done by using the os.listdir() and fnmatch.fnmatch() functions in concert, and not by actually invoking a subshell". In other words, glob() doesn't have the efficiency improvements one might expect.
– Ben Hoyt
Feb 11 ...
Extracting Nupkg files using command line
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You can also use the NuGet command line, by specifying a local host as part of an install. For example if your package is stored in the current directory
nuget install MyPackage -Source %cd% -OutputDirectory packages
will unpack it into the target direc...
Programmatically get height of navigation bar
...ure out if MoreViewController is showing? (If so, what do you want to do?) and if not, could you clarify what exactly you mean?
– Sum
Sep 5 '11 at 22:32
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Remove empty array elements
...n array of strings, you can simply use array_filter(), which conveniently handles all this for you:
print_r(array_filter($linksArray));
Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve element...