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What is the Linux equivalent to DOS pause?
I have a Bash shell script in which I would like to pause execution until the user presses a key. In DOS, this is easily accomplished with the "pause" command. Is there a Linux equivalent I can use in my script?
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How do I unload (reload) a Python module?
...r process itself.
To quote from the docs:
Python modules’ code is recompiled and
the module-level code reexecuted,
defining a new set of objects which
are bound to names in the module’s
dictionary. The init function of
extension modules is not called a
second time. As with all o...
What is meaning of boolean value returned from an event-handling method in Android
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From the documentation : http://developer.android.com/reference/android/view/View.OnTouchListener.html#onTouch(android.view.View, android.view.MotionEvent)
"True if the listener has consumed the event, false otherwise."
If you return true, the even...
Node.js on multi-core machines
... for (var i = 0; i < numCPUs; i++) {
cluster.fork();
}
} else {
http.Server(function(req, res) { ... }).listen(8000);
}
Workers will compete to accept new connections, and the least loaded process is most likely to win. It works pretty well and can scale up throughput quite well on a mu...
E11000 duplicate key error index in mongodb mongoose
...dexed field, the index build will fail with a duplicate key error.
You can combine the unique constraint with the sparse index to filter these null values from the unique index and avoid the error.
unique indexes
Sparse indexes only contain entries for documents that have the indexed field, even i...
How to create your own library for Android development to be used in every program you write?
...ed tutorial of how to use the library at mobile.tutsplus.com. Link below:
http://mobile.tutsplus.com/tutorials/android/android-essentials-creating-android-compliant-libraries/
For Example I wanted to use the Pull To Refresh library by Chrisbanes at Github.com here https://github.com/chrisbanes/And...
How do I discover memory usage of my application in Android?
...e that memory usage on modern operating systems like Linux is an extremely complicated and difficult to understand area. In fact the chances of you actually correctly interpreting whatever numbers you get is extremely low. (Pretty much every time I look at memory usage numbers with other engineers...
Uninstall old versions of Ruby gems
...rvm/gems/ruby-2.1.1@project/cache/nokogiri-1.6.6.2.gem
For more detail:
http://blog.grepruby.com/2015/04/way-to-clean-up-gem-or-remove-old.html
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What regular expression will match valid international phone numbers?
I need to determine whether a phone number is valid before attempting to dial it. The phone call can go anywhere in the world.
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Stash only one file out of multiple files that have changed with Git?
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You can also use git stash save -p "my commit message". This way you can select which hunks should be added to stash, whole files can be selected as well.
You'll be prompted with a few actions for each hunk:
y - stash this hunk
n - do not stash this hunk
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