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Check if array is empty or null
I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either.
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Import module from subfolder
I want to import subfolders as modules. Therefore every subfolder contains a __init__.py . My folder structure is like this:
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Consequences of using graft in Mercurial
There've been several questions recently about skipping changes when maintaining release branches in Mercurial. For example:
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from jquery $.ajax to angular $http
I have this piece of jQuery code that works fine cross origin:
4 Answers
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Mongoose indexing in production code
Per the Mongoose documentation for MongooseJS and MongoDB / Node.js :
3 Answers
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Add a number to each selection in Sublime Text 2, incremented once per selection
Is there a way to add insert a number that is incremented once per cursor in Sublime Text 2?
3 Answers
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How to handle multiple heterogeneous inputs with Logstash?
Let's say you have 2 very different types of logs such as technical and business logs and you want:
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How can I split and parse a string in Python?
...it("_") gives a list of strings:
In [1]: "2.7.0_bf4fda703454".split("_")
Out[1]: ['2.7.0', 'bf4fda703454']
This splits the string at every underscore. If you want it to stop after the first split, use "2.7.0_bf4fda703454".split("_", 1).
If you know for a fact that the string contains an undersco...
Do c++11 lambdas capture variables they don't use?
When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ?
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What is std::string::c_str() lifetime?
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The c_str() result becomes invalid if the std::string is destroyed or if a non-const member function of the string is called. So, usually you will want to make a copy of it if you need to keep it around.
In the case of your example, it ap...