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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 ...
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 ...
Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
Ever since I upgraded my Samsung Galaxy S3 to android 4.3 (from 4.1.2) I am unable to use Chrome's remote debugging for android (more details here ).
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How many socket connections can a web server handle?
...n a single Unix flavoured OS machine - https://blog.whatsapp.com/index.php/2012/01/1-million-is-so-2011/.
And finally, this one, http://highscalability.com/blog/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html, goes into a lot of detail, exploring how even 10 million could...
What's the correct way to convert bytes to a hex string in Python 3?
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432
Since Python 3.5 this is finally no longer awkward:
>>> b'\xde\xad\xbe\xef'.hex()
'dea...
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._...
Execute stored procedure with an Output parameter?
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227
The easy way is to right-click on the procedure in Sql Server Management Studio(SSMS),
selec...
Make UINavigationBar transparent
....shadowImage = UIImage()
self.navigationBar.isTranslucent = true
In swift 2
self.navigationBar.setBackgroundImage(UIImage(), forBarMetrics: .Default)
self.navigationBar.shadowImage = UIImage()
self.navigationBar.translucent = true
Discussion
Setting translucent to YES on the navigation bar does t...