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File content into unix variable with newlines

... The assignment does not remove the newline characters, it's actually the echo doing this. You need simply put quotes around the string to maintain those newlines: echo "$testvar" This wil give the result you want. See the following transcript for a demo: pax> cat num1.txt ; x=$(cat...
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Checking out Git tag leads to “detached HEAD state”

...pt for my git project and I just started using tags. I've added a new tag called v2.0 : 2 Answers ...
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NSDefaultRunLoopMode vs NSRunLoopCommonModes

... A run loop is a mechanism that allows the system to wake up sleeping threads so that they may manage asynchronous events. Normally when you run a thread (with the exception of the main thread) there is an option to start the thread in a run loop or not. If...
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Converting dict to OrderedDict

...on 3.7, the Python language specification has been updated to require that all Python implementations must follow this behaviour. See this other answer of mine for details and also why you'd still may want to use an OrderedDict() for certain cases. ...
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How to kill zombie process

... usually, you can find the parent in the PPid row if you cat /proc/<pid>/status – Daniel Andrei Mincă Sep 4 '18 at 11:22 ...
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Sending a notification from a service in Android

... Both Activity and Service actually extend Context so you can simply use this as your Context within your Service. NotificationManager notificationManager = (NotificationManager) getSystemService(Service.NOTIFICATION_SERVICE); Notification notificatio...
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How to correctly require a specific commit in Composer so that it would be available for dependent p

...have something to do with Composer prefering Packagist over GitHub specifically? – Maciej Sz Jan 23 '14 at 19:06 ...
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Getters \ setters for dummies

... Isnt it really painful that MS does not support JS correctly and they do not make their silverlight run everywhere, so I have to program everything twice, one for SL and one for rest of the world :) – Akash Kava ...
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Why does the C++ map type argument require an empty constructor when using []?

... Why is that std::<map>::value_type there in the insert call? – thomthom May 6 '15 at 11:53 ...
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Linq to EntityFramework DateTime

...o a single Where clause, Entity Framework generates identity SQL so it's really a matter of readability. – Justin Niessner Nov 10 '10 at 16:24 2 ...