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What does addChildViewController actually do?
...OS development, and one of the first things I've had to do is implement a custom container view controller - lets call it SideBarViewController - that swaps out which of several possible child view controllers it shows, almost exactly like a standard Tab Bar Controller . (It's pretty much a Ta...
Why is whitespace sometimes needed around metacharacters?
...w months ago I tattooed a fork bomb on my arm, and I skipped the whitespaces, because I think it looks nicer without them. But to my dismay, sometimes (not always) when I run it in a shell it doesn't start a fork bomb, but it just gives a syntax error.
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Example of Named Pipes
How do I write a simple--bare minimum needed for it to work--test application that illustrates how to use IPC/Named Pipes?
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Under what conditions is a JSESSIONID created?
When / what are the conditions when a JSESSIONID is created?
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What exactly do the Vagrant commands do?
There is surprisingly no documentation on what the Vagrant commands do, other than references throughout the "getting started" tutorial.
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std::next_permutation Implementation Explanation
I was curious how std:next_permutation was implemented so I extracted the the gnu libstdc++ 4.7 version and sanitized the identifiers and formatting to produce the following demo...
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How do I extract a sub-hash from a hash?
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How to make a promise from setTimeout
...is not a realworld problem, I'm just trying to understand how promises are created.
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What's the difference between ngModel.$modelValue and ngModel.$viewValue
I have the following ckEditor directive. At the bottom are two variations that I have seen from examples on how to set the data in the editor:
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How to get UTC time in Python?
I've search a bunch on StackExchange for a solution but nothing does quite what I need. In JavaScript, I'm using the following to calculate UTC time since Jan 1st 1970:
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