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How to leave/exit/deactivate a Python virtualenv

... Usually, activating a virtualenv gives you a shell function named: $ deactivate which puts things back to normal. I have just looked specifically again at the code for virtualenvwrapper, and, yes, it too supports deactivate as the way to escape from all virtualenvs. If you are tryi...
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SQL error “ORA-01722: invalid number”

A very easy one for someone, The following insert is giving me the 13 Answers 13 ...
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How can I use pointers in Java?

...e object that it points to. The Java system will throw an exception (OutOfMemoryError) when you call new and the allocator cannot allocate the requested cell. This is very rare and usually results from run-away recursion. Note that, from a language point of view, abandoning objects to the garbage ...
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how to implement a long click listener on a listview

...Listener on my list view. Whenever the user long press the item in list some action should be performed, But my code does not catch this listener. Please let me know where I am going wrong. The similar code works for setOnItemClickListener very well. ...
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MySQL select where column is not empty

In MySQL, can I select columns only where something exists? 13 Answers 13 ...
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Change font color for comments in vim

I'd like to change the default font color for comments which is dark blue to slightly yellow color. It is difficult to read on the black background. Could you advise me how to change only this one color? I'm satisfied with the other colors. ...
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Asp.net 4.0 has not been registered

...ommand prompts below Microsoft Visual Studio 2010 | Visual Studio Tools, namely: Visual Studio Command Prompt (2010) Visual Studio x64 Cross Tools Command Prompt (2010) Visual Studio x64 Win64 Command Prompt (2010) Does it matter which one is used for this command? – B. Cla...
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Can I multiply strings in Java to repeat sequences? [duplicate]

I have something like the following: 19 Answers 19 ...
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What to do about a 11000 lines C++ source file?

...s 11000 lines huge?) mainmodule.cpp source file in our project and every time I have to touch it I cringe. 34 Answers ...
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Detecting WPF Validation Errors

... This post was extremely helpful. Thanks to all who contributed. Here is a LINQ version that you will either love or hate. private void CanExecute(object sender, CanExecuteRoutedEventArgs e) { e.CanExecute = IsValid(sender as DependencyObje...