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How to use onSavedInstanceState example please

I'm confused when it comes down to saving a state. So I know that onSaveInstanceState(Bundle) is called when the activity is about to be destroyed. But how do you store your information in it and bring it back to its original state in onCreate(Bundle savedInstanceState) ? I don't understand how t...
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Confusion between numpy, scipy, matplotlib and pylab

...atplotlib (in matplotlib.pylab) and tries to give you a MatLab like environment. matplotlib has a number of dependencies, among them numpy which it imports under the common alias np. scipy is not a dependency of matplotlib. If you run ipython --pylab an automatic import will put all symbols from mat...
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How to detect if multiple keys are pressed at once using JavaScript?

I'm trying to develop a JavaScript game engine and I've came across this problem: 13 Answers ...
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How to write a switch statement in Ruby

How do I write a switch statement in Ruby? 24 Answers 24 ...
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AngularJs: How to check for changes in file input fields?

... <input type="file" style="display:none" id="file" name='file' onchange="angular.element(this).scope().fileNameChanged(this)" /> </form> </div> instead of <input type="file" style="display:none" id="file" name='file' ng-Change="fileName...
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What are static factory methods?

What's a "static factory" method? 14 Answers 14 ...
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ab load testing

Can someone please walk me through the process of how I can load test my website using apache bench tool ( ab )? 5 Answer...
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Pretty git branch graphs

I've seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history? ...
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css - position div to bottom of containing div

...rches for the nearest relative parent. By default it's the body of the document. So if no parent DOM object (.outside) has the property of being relative your .inside will go to to the bottom of the body tag. – user1467267 Mar 12 '13 at 10:29 ...
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How should I ethically approach user password storage for later plaintext retrieval?

...king you don't really need to retrieve the password they set (they don't remember what it is anyway), you need to be able to give them a password they can use. Think about it: if the user needs to retrieve the password, it's because they've forgotten it. In which case a new password is just as goo...