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How to switch a user per task or set of tasks?
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244
With Ansible 1.9 or later
Ansible uses the become, become_user, and become_method directives ...
How can I find the last element in a List?
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212
If you just want to access the last item in the list you can do
if(integerList.Count>0)
{
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Best way to test if a row exists in a MySQL table
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12 Answers
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Java time-based map/cache with expiring keys [closed]
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329
Yes. Google Collections, or Guava as it is named now has something called MapMaker which can do...
Is file append atomic in UNIX?
...he size of 'PIPE_BUF' is supposed to be atomic. That should be at least 512 bytes, though it could easily be larger (linux seems to have it set to 4096).
This assume that you're talking all fully POSIX-compliant components. For instance, this isn't true on NFS.
But assuming you write to a log fi...
Get the creation date of a stash
... stash list --date=local
It should print something like:
stash@{Thu Mar 21 10:30:17 2013}: WIP on master: 2ffc05b Adding resource
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Using property() on classmethods
...foo(object):
... _var = 5
... class __metaclass__(type): # Python 2 syntax for metaclasses
... pass
... @classmethod
... def getvar(cls):
... return cls._var
... @classmethod
... def setvar(cls, value):
... cls._var = value
...
>>> foo._...
How can I extract audio from video with ffmpeg?
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Convert array of integers to comma-separated string
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Gibron
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answered Jan 21 '11 at 7:56
Cheng ChenCheng Chen
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How to insert tab character when expandtab option is on in Vim
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524
You can use <CTRL-V><Tab> in "insert mode". In insert mode, <CTRL-V> inserts ...