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What is fastest children() or find() in jQuery?
...f performance is truly an issue, then experiment to find the best solution and use that (or see some of the benchmarks in the other answers here).
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Repeat Character N Times
...s out that according to this jsperf, it appears that it's faster in Safari and Chrome (but not Firefox) to repeat a character multiple times by simply appending using a for loop (although a bit less concise).
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How to change the name of an iOS app?
... began an iPhone project the other day with a silly development code name, and now I want to change the name of the project since it's nearly finished.
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Validating email addresses using jQuery and regex
...regex didn't satisfy your needs you can change it, anyway i have tested it and it work fine. jsfiddle.net/ADPaM
– Luca Filosofi
Apr 13 '11 at 10:21
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Python strftime - date without leading 0?
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Actually I had the same problem and I realized that, if you add a hyphen between the % and the letter, you can remove the leading zero.
For example %Y/%-m/%-d.
This only works on Unix (Linux, OS X), not Windows (including Cygwin). On Windows, you would u...
Converting pixels to dp
I have created my application with the height and width given in pixels for a Pantech device whose resolution is 480x800 .
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Celery Received unregistered task of type (run example)
...ig (in the current directory) is not in PYTHONPATH so celery can't find it and falls back to defaults. Simply specify it explicitly when starting celery.
celeryd --loglevel=INFO --settings=celeryconfig
You can also set --loglevel=DEBUG and you should probably see the problem immediately.
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Command to get time in milliseconds
Is there a shell command in Linux to get the time in milliseconds?
12 Answers
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Most pythonic way to delete a file which may not exist
...e(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a function to do this for you:
import os, errno
def silentrem...
How to Set Opacity (Alpha) for View in Android
...lar problem with a TextView. I was able to solve it, by extending TextView and overriding onSetAlpha. Maybe you could try something similar with your button:
import android.content.Context;
import android.util.AttributeSet;
import android.widget.TextView;
public class AlphaTextView extends TextVie...