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How to test if list element exists?

I would like to test if an element of a list exists, here is an example 7 Answers 7 ...
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How much space can your BitBucket account have?

I created a BitBucket account today, and I love the fact that they allow you to have unlimited public/private repositories. However, I didn't find the size limit of your account? Does anyone know where to find it? Github offered 300mb if I remember correctly. ...
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Rails 3 execute custom sql query without a model

I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3 5 Answe...
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Matplotlib Legends not working

Ever since upgrading matplotlib I get the following error whenever trying to create a legend: 4 Answers ...
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django 1.5 - How to use variables inside static tag

I'm currently migrating all the static files references in my project to the new {% static %} tag that django 1.5 introduced, but I'm having a problem, in some places I use variables to get the content. With the new tag I can't, is there any way to solve this? ...
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Map and Reduce in .NET

What scenarios would warrant the use of the " Map and Reduce " algorithm? 3 Answers 3 ...
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How to manually deprecate members

Unlike Objective-C, Swift has no preprocessor, so is there still a way to manually deprecate members of a class? 4 Answers ...
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Toggle input disabled attribute using jQuery

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@Override is not allowed when implementing interface method

I have the problem mentioned in the title. You could say that this thread duplicates another one: How do I turn off error validation for annotations in IntelliJ IDEA? ...
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how to create a file name with the current date & time in python?

Here is a functional code (Create file with success) 6 Answers 6 ...