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How do I check if a variable exists?

...have nested functions, variables in outer scopes. If you want to check for all of them, you're probably best off triggering NameError after all. – Petr Viktorin Jun 10 '14 at 20:18 ...
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How do I tell matplotlib that I am done with a plot?

... You can use plt.close()/pylab.close() to remove all old figures – Calvin1602 Jan 24 '13 at 8:32 2 ...
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How to clone all repos at once from GitHub?

I have a company GitHub account and I want to back up all of the repositories within, accounting for anything new that might get created for purposes of automation. I was hoping something like this: ...
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How can I pass parameters to a partial view in mvc 4

...l with just the partial name: @Html.Partial("_SomePartial") It will actually pass your model as an implicit parameter, the same as if you were to call: @Html.Partial("_SomePartial", Model) Now, in order for your partial to actually be able to use this, though, it too needs to have a defined mo...
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How do I exchange keys with values in a dictionary?

... While this seems to be correct, its really good to add an explanation of how it works rather than just the code. – Will Sep 10 '15 at 19:49 ...
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.NET console application as Windows service

...would like to run it as Windows service. VS2010 has project template which allow to attach console project and build Windows service. I would like to not add separated service project and if possible integrate service code into console application to keep console application as one project which co...
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How to automatically reload a page after a given period of inactivity

...u want to refresh the page // bassed off the user inactivity. var refresh_rate = 200; //<-- In seconds, change to your needs var last_user_action = 0; var has_focus = false; var lost_focus_count = 0; // If the user loses focus on the browser to many times // we want to refresh anyway even if t...
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Where to install Android SDK on Mac OS X?

Where should the Android SDK be installed on Mac OS X? 12 Answers 12 ...
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Reasons for using the set.seed function

...he set.seed function in R, before starting the program. I know it's basically used for the random number generation. Is there any specific need to set this? ...
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How can I check which version of Angular I'm using?

... huge file for a license. Second, relying on license file/comment is not really a great choice since it may change by a minfier bug. – Afshin Moazami Dec 8 '15 at 15:23 3 ...