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What does addChildViewController actually do?
I'm just dipping my feet for the first time into iOS 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 stan...
Why is whitespace sometimes needed around metacharacters?
A few 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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How can I launch Safari from an iPhone app?
This might be a rather obvious question, but can you launch the Safari browser from an iPhone app?
7 Answers
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Under what conditions is a JSESSIONID created?
...ode calls request.getSession() or request.getSession(true) for the first time. If you just want to get the session, but not create it if it doesn't exist, use request.getSession(false) -- this will return you a session or null. In this case, new session is not created, and JSESSIONID cookie is not s...
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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How do I revert a Git repository to a previous commit?
How do I revert from my current state to a snapshot made on a certain commit?
41 Answers
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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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Turn off constraints temporarily (MS SQL)
I'm looking for a way to temporarily turn off all DB's constraints (eg table relationships).
5 Answers
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What is the recommended batch size for SqlBulkCopy?
What is the recommended batch size for SqlBulkCopy ? I'm looking for a general formula I can use as a starting point for performance tuning.
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Where does the “flatmap that s***” idiomatic expression in Scala come from?
What is so powerful about flatmap that it deserves such a place in the Scala folklore?
4 Answers
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