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What is the purpose of XORing a register with itself? [duplicate]
xor eax, eax will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
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Android Fragment lifecycle over orientation changes
Using the compatibility package to target 2.2 using Fragments.
7 Answers
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Pythonic way to create a long multi-line string
I have a very long query. I would like to split it in several lines in Python. A way to do it in JavaScript would be using several sentences and joining them with a + operator (I know, maybe it's not the most efficient way to do it, but I'm not really concerned about performance in this stage, jus...
Difference between binary tree and binary search tree
Can anyone please explain the difference between binary tree and binary search tree with an example ?
12 Answers
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How does the HyperLogLog algorithm work?
I've been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list.
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Can you supply arguments to the map(&:method) syntax in Ruby?
You're probably familiar with the following Ruby shorthand ( a is an array):
7 Answers
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Converting a Uniform Distribution to a Normal Distribution
How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
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How do I print the type or class of a variable in Swift?
Is there a way to print the runtime type of a variable in swift? For example:
34 Answers
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Remove folder and its contents from git/GitHub's history
I was working on a repository on my GitHub account and this is a problem I stumbled upon.
8 Answers
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Creating a segue programmatically
I have a common UIViewController that all my UIViewsControllers extend to reuse some common operations.
13 Answers
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