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Is there a “standard” format for command line/shell help text?

...ahdal I usually see {a|b|c|...} in the help sections for SysV Init/upstart service scripts, which require a singular argument that is one of a, b, c, etc. For example, service sddm without an argument on my system prints out Usage: /etc/init.d/sddm {start|stop|status|restart|try-restart|force-reload...
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Python: split a list based on a condition?

What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of: ...
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Targeting .NET Framework 4.5 via Visual Studio 2010

Today I installed the .NET Framework 4.5 on my machine expecting to be able to use it from Visual Studio 2010, since it's just a minor update that should't pose problems for Visual Studio 2010. Unfortunately I am not, even manually removing certain 4.0 and adding the corresponding 4.5 assemblies r...
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How to get an array of specific “key” in multidimensional array without looping

...ume I have the following multidimensional array (retrieved from MySQL or a service): 4 Answers ...
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CodeIgniter: Create new helper?

...o it. <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); if ( ! function_exists('test_method')) { function test_method($var = '') { return $var; } } Save this to application/helpers/ . We shall call it "new_helper.php" The first line exists to ...
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How to get the full path of running process?

... According to my measurements, calling process.Modules[0] is 50 times slower than calling process.MainModule. – Luca Cremonesi Oct 23 '14 at 16:14 ...
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Drawing a connecting line between two elements [closed]

...ilding applications and integrations for popular libraries, and is commercially licensed. share | improve this answer | follow | ...
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ios app maximum memory budget

...ered your own question: try not to go beyond the 70 Mb limit, however it really depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc. Just avoid the instant memory splashes (e.g. you're using 40 Mb of RAM, a...
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Is there a way to simulate the C++ 'friend' concept in Java?

...ne step further and disallow getting the friend without a token: getFriend(Service.FriendToken). This FriendToken would be an inner public class with a private constructor, so that only Service could instantiate one. share ...
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Multiple Updates in MySQL

...has new records then i will end up inserting only the ids and count except all other information. if and only if there is an entry for the id then it should update else it should skip. what shall i do? – Jayapal Chandran Aug 30 '10 at 13:30 ...