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In Python, what is the difference between “.append()” and “+= []”?
What is the difference between:
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How to define “type disjunction” (union types)?
One way that has been suggested to deal with double definitions of overloaded methods is to replace overloading with pattern matching:
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Remove a symlink to a directory
I have a symlink to an important directory. I want to get rid of that symlink, while keeping the directory behind it.
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How many database indexes is too many?
I'm working on a project with a rather large Oracle database (although my question applies equally well to other databases). We have a web interface which allows users to search on almost any possible combination of fields.
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Purpose of memory alignment
Admittedly I don't get it. Say you have a memory with a memory word of length of 1 byte. Why can't you access a 4 byte long variable in a single memory access on an unaligned address(i.e. not divisible by 4), as it's the case with aligned addresses?
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What is DOM Event delegation?
Can anyone please explain event delegation in JavaScript and how is it useful?
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How do you get the magnitude of a vector in Numpy?
In keeping with the "There's only one obvious way to do it", how do you get the magnitude of a vector (1D array) in Numpy?
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Is it safe to delete a void pointer?
Suppose I have the following code:
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Code Golf: Lasers
The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input .
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What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
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