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Datatables: Cannot read property 'mData' of undefined

...FYI dataTables requires a well formed table. It must contain <thead> and <tbody> tags, otherwise it throws this error. Also check to make sure all your rows including header row have the same number of columns. The following will throw error (no <thead> and <tbody> tags) &l...
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“rm -rf” equivalent for Windows?

I need a way to recursively delete a folder and its children. 21 Answers 21 ...
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Scatter plot and Color mapping in Python

I have a range of points x and y stored in numpy arrays. Those represent x(t) and y(t) where t=0...T-1 3 Answers ...
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oh-my-zsh slow, but only for certain Git repo

I recently started using Zsh and it's awesome. Unfortunately, for the project I consider my "main" project, everything is slow. What I mean is that every time I run a command - ls , for example - there's about a five-second delay between the time the command is executed and the time I can use the t...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

... This denotes that the subsequent string is in Unicode (the N actually stands for National language character set). Which means that you are passing an NCHAR, NVARCHAR or NTEXT value, as opposed to CHAR, VARCHAR or TEXT. To quote from Microsoft: Prefix Unicode character string constants ...
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Enable access control on simple HTTP server

...ever create a simple HTTP server yourself, using most of SimpleHTTPRequestHandler, and just add that desired header. For that, simply create a file simple-cors-http-server.py (or whatever) and, depending on the Python version you are using, put one of the following codes inside. Then you can do py...
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How is “=default” different from “{}” for default constructor and destructor?

...om simply doing {}. With the latter, the function becomes "user-provided". And that changes everything. This is a trivial class by C++11's definition: struct Trivial { int foo; }; If you attempt to default construct one, the compiler will generate a default constructor automatically. Same goes...
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Comparing two collections for equality irrespective of the order of items in them

...g answers, since it takes nulls into account, implements IEqualityComparer and has some efficiency and edge case checks. plus, it's Microsoft :) public class MultiSetComparer<T> : IEqualityComparer<IEnumerable<T>> { private readonly IEqualityComparer<T> m_comparer; p...
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What's the difference between `raw_input()` and `input()` in Python 3?

What is the difference between raw_input() and input() in Python 3? 6 Answers 6 ...
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SQLAlchemy: What's the difference between flush() and commit()?

What the difference is between flush() and commit() in SQLAlchemy? 5 Answers 5 ...