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Insert auto increment primary key to existing table
...ering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot.
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“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...Date('Wed, 23 Apr 2014 09:54:51 +0000'));
The last option is a built-in fallback that Moment supports for now, with the deprecated console warning. They say they won't support this fallback in future releases. They explain that using new Date('my date') is too unpredictable.
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
Before KitKat (or before the new Gallery) the Intent.ACTION_GET_CONTENT returned a URI like this
19 Answers
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node.js equivalent of python's if __name__ == '__main__' [duplicate]
I'd like to check if my module is being included or run directly. How can I do this in node.js?
2 Answers
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How to make Eclipse behave well in the Windows 7 taskbar?
All other apps that can be pinned to the taskbar behave well.
But Eclipse doesn't show recently open projects when I right click it.
It also doesn't allow to pin some projects inside it.
Note that I have the JS version of Eclipse Helios. Which spawns a new and different taskbar icon after loading.
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What is the LD_PRELOAD trick?
...ibrary (including the C runtime, libc.so). So to run ls with your special malloc() implementation, do this:
$ LD_PRELOAD=/path/to/my/malloc.so /bin/ls
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How to capture stdout output from a Python function call?
...ager:
from io import StringIO
import sys
class Capturing(list):
def __enter__(self):
self._stdout = sys.stdout
sys.stdout = self._stringio = StringIO()
return self
def __exit__(self, *args):
self.extend(self._stringio.getvalue().splitlines())
del se...
Getting a random value from a JavaScript array
... @SapphireSun this is correct. Note the Math.floor(Math.random(...)) call, which rounds down.
– ashes999
Jan 19 '14 at 12:43
34
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remove None value from a list without removing the 0 value
... - it's just for scientific purposes)
>>> from operator import is_not
>>> from functools import partial
>>> L = [0, 23, 234, 89, None, 0, 35, 9]
>>> filter(partial(is_not, None), L)
[0, 23, 234, 89, 0, 35, 9]
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String, StringBuffer, and StringBuilder
...o, using String for logic operations is rather slow, and is not advised at all, since the JVM converts the String to a StringBuffer in the bytecode. A lot of overhead is wasted converting from String to StringBuffer and then back to String again.
– Pieter van Niekerk
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