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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 correctly save instance state of Fragments in back stack?

.... In the fragment, save instance state by overriding onSaveInstanceState() and restore in onActivityCreated(): class MyFragment extends Fragment { @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); ... i...
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how to change default python version?

... in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version? ...
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How should I detect unnecessary #include files in a large C++ project?

I am working on a large C++ project in Visual Studio 2008, and there are a lot of files with unnecessary #include directives. Sometimes the #include s are just artifacts and everything will compile fine with them removed, and in other cases classes could be forward declared and the #include could...
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How to sort a NSArray alphabetically?

...veCompare: localizedCompare: localizedCaseInsensitiveCompare: localizedStandardCompare: Swift var students = ["Kofi", "Abena", "Peter", "Kweku", "Akosua"] students.sort() print(students) // Prints "["Abena", "Akosua", "Kofi", "Kweku", "Peter"]" Reference ...
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Push Notifications in Android Platform

... Google's official answer is the Android Cloud to Device Messaging Framework (deprecated) Google Cloud Messaging(deprecated) Firebase Cloud Messaging It will work on Android >= 2.2 (on phones that have the Play Store). ...
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Any way to limit border length?

... This still seems the best way to do it. It's cross browser compatible and easy in maintenance. – Pim Schaaf Apr 25 '12 at 8:40 1 ...
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LESS CSS nesting classes

I'm using LESS to improve my CSS and am trying to nest a class within a class. There's a fairly complicated hierarchy but for some reason my nesting doesn't work. I have this: ...
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Pass a data.frame column name to a function

I'm trying to write a function to accept a data.frame ( x ) and a column from it. The function performs some calculations on x and later returns another data.frame. I'm stuck on the best-practices method to pass the column name to the function. ...
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Pick any kind of file via an Intent in Android

...mera but for other files.. In my device I have ES File Explorer installed and This simply thing works in my case.. Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("file/*"); startActivityForResult(intent, PICKFILE_REQUEST_CODE); ...