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Can a shell script set environment variables of the calling shell? [duplicate]

...r shell process terminates any changes you've made to its environment are lost. Sourcing a script file is the most commonly used method for configuring a shell environment, you may just want to bite the bullet and maintain one for each of the two flavors of shell. ...
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Objective-C: Where to remove observer for NSNotification?

...dd a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against crashes due to the notification center notifying dead objects. It can...
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How do I use raw_input in Python 3

I am using Python 3.1 and can't get the raw_input to "freeze" the dos pop-up. The book I'm reading is for Python 2.5 and I'm using Python 3.1 ...
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Android: When should I use a Handler() and when should I use a Thread?

...; Thread t = new Thread() { @Override public void run(){ doSomeWork(); if(succeed){ //we can't update the UI from here so we'll signal our handler and it will do it for us. h.sendEmptyMessage(0); }else{ h.sendEmptyMessage(1); ...
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Bash syntax error: unexpected end of file

... I think file.sh is with CRLF line terminators. run dos2unix file.sh then the problem will be fixed. You can install dos2unix in ubuntu with this: sudo apt-get install dos2unix share | ...
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NSNotificationCenter addObserver in Swift

... Swift 4.0 & Xcode 9.0+: Send(Post) Notification: NotificationCenter.default.post(name: Notification.Name("NotificationIdentifier"), object: nil) OR NotificationCenter.default.post(name: Notification.Name("NotificationIdentifier"), object: nil, userInf...
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How to Define Callbacks in Android?

During the most recent Google IO, there was a presentation about implementing restful client applications. Unfortunately, it was only a high level discussion with no source code of the implementation. ...
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Copy the entire contents of a directory in C#

... answered Sep 29 '10 at 15:03 tboswelltboswell 5,75211 gold badge1212 silver badges22 bronze badges ...
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What is the max size of localStorage values?

...per origin in Google Chrome(https://plus.google.com/u/0/+FrancoisBeaufort/posts/S5Q9HqDB8bh), Mozilla Firefox, and Opera; 10 MB per storage area in Internet Explorer) and better programmatic interfaces. And also quoting from a John Resig article [posted January 2007]: Storage Space It is ...
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How to generate a random integer number from within a range

This is a follow on from a previously posted question: 11 Answers 11 ...