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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

Should I test if something is valid or just try to do it and catch the exception? 8 Answers ...
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How to handle back button in activity

How to handle a back button in an activity? I have some buttons. If I click one of the button it's redirecting to the buttons which I required. It's working fine but When I press back button it gets finished. ...
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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 do I create a nice-looking DMG for Mac OS X using command-line tools?

...cation. I want it to be a disk image (DMG), with a predefined size, layout and background image. 14 Answers ...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

I wanted to track the performance of my code so I stored the start and end time using System.DateTime.Now . I took the difference between the two as the time my code to execute. ...
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Combine --user with --prefix error with setup.py install

...e advantage of Python's relatively new per user site-packages directory , and the new option --user . (The option is currently undocumented , however it exists for Python 2.6+; you can see the help by running python setup.py install --help .) ...
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std::string to float or double

... The Standard Library (C++11) offers the desired functionality with std::stod : std::string s = "0.6" std::wstring ws = "0.7" double d = std::stod(s); double dw = std::stod(ws); Generally for most other basic types, see <st...
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How to kill a process on a port on ubuntu

I am trying to kill a process in the command line for a specific port in ubuntu. 27 Answers ...
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Is there a way to cache GitHub credentials for pushing commits?

...chronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time. 24 Answer...
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Number of lines in a file in Java

...ly need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file ...