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How to generate random number in Bash?

...le this is fine in a pinch, doing arithmetic on random numbers can dramatically affect the randomness of your result. in the case of $RANDOM % 10, 8 and 9 are measurably (though marginally) less probable than 0-7, even if $RANDOM is a robust source of random data. – dimo414 ...
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Notification click: activity already open

...current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent. For example, consider a task consisting of the activities: A, B, C, D. If...
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What does cherry-picking a commit with Git mean?

.... This is in contrast with other ways such as merge and rebase which normally apply many commits onto another branch. Make sure you are on the branch you want to apply the commit to. git checkout master Execute the following: git cherry-pick <commit-hash> N.B.: If you cherry-pick f...
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How do I set default values for functions parameters in Matlab?

...n, nargchk, etc. They're useful functions for this sort of thing. varargs allow you to leave a variable number of final arguments, but this doesn't get you around the problem of default values for some/all of them. share ...
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How do I trim whitespace?

Is there a Python function that will trim whitespace (spaces and tabs) from a string? 15 Answers ...
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How to save an image locally using Python whose URL address I already know?

... Python 2 Here is a more straightforward way if all you want to do is save it as a file: import urllib urllib.urlretrieve("http://www.digimouth.com/news/media/2011/09/google-logo.jpg", "local-filename.jpg") The second argument is the local path where the file should be s...
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How to write a scalable Tcp/Ip based server

...he best bet, using the Asynchronous sockets. This meant that clients not really doing anything actually required relatively little resources. Anything that does occur is handled by the .net thread pool. I wrote it as a class that manages all connections for the servers. I simply used a list to ho...
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How can I mock requests and the response?

...thons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario? 9 Answ...
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How can I include a YAML file inside another?

...ve added an answer below...hope it helps. – daveaspinall Aug 19 '15 at 9:39 1 If you're using Rai...
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How to create a self-signed certificate for a domain name for development?

...poses. My web application solution contains a web API etc, that I need to call from external systems, hence I am not using localhost. ...