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Dynamically access object property using variable
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edited Sep 20 at 8:54
kabirbaidhya
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Android: how do I check if activity is running?
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Save modifications in place with awk
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In GNU Awk 4.1.0 (released 2013) and later, it has the option of "inplace" file editing:
[...] The "inplace" extension, built using the new facility, can be used to simulate the GNU "sed -i" feature. [...]
Example usage:
$ gawk -i inplace '{ gsub(/fo...
Regex: Remove lines containing “help”, etc
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edited Jun 29 '19 at 20:45
Peter Mortensen
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Label Alignment in iOS 6 - UITextAlignment deprecated
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edited Jan 31 '14 at 21:15
Brian
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answered S...
How do I change the number of open files limit in Linux? [closed]
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You could always try doing a ulimit -n 2048. This will only reset the limit for your current shell and the number you specify must not exceed the hard limit
Each operating system has a different hard limit setup in a configuration file. For instance, the hard o...
What is AppDomain? [duplicate]
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125
An AppDomain provides a layer of isolation within a process. Everything you usually think of as...
Save image from URL by paperclip
...simply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
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Android draw a Horizontal line between views
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287
It will draw Silver gray colored Line between TextView & ListView
<TextView
and...
In C++, what is a virtual base class?
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Virtual base classes, used in virtual inheritance, is a way of preventing multiple "instances" o...