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System.currentTimeMillis vs System.nanoTime

What I would like to know is whether I should use System.currentTimeMillis() or System.nanoTime() when updating my object's positions in my game? Their change in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible. ...
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Disable developer mode extensions pop up in Chrome

Since the latest release of chrome (34.0.1847.116) last week, I have been receiving the “Disable developer mode extensions" when running automated tests using watir-webdriver. ...
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Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
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Find unused npm packages in package.json

...depcheck The good thing about this approach is that you don't have to remember the find or grep command. To run without installing use npx: npx depcheck share | improve this answer | ...
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Custom attributes - Yea or nay?

...ustom attributes in their HTML tags, mainly for the purpose of embedding some extra bits of data for use in javascript code. ...
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@property retain, assign, copy, nonatomic in Objective-C

As someone that's new to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm missing, that follow the @property directive? What are they doing and why would I want to use one over another? ...
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How do you generate dynamic (parameterized) unit tests in python?

I have some kind of test data and want to create a unit test for each item. My first idea was to do it like this: 25 Answer...
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Making a UITableView scroll when text field is selected

... the textfields will scroll above the keyboard whenever the textfields become the first responder. No extra code needed. – Sam Ho Sep 23 '10 at 5:03 3 ...
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Undo a Git merge that hasn't been pushed yet

Within my master branch, I did a git merge some-other-branch locally, but never pushed the changes to origin master. I didn't mean to merge, so I'd like to undo it. When doing a git status after my merge, I was getting this message: ...
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How does Haskell printf work?

...ty is second to none only to dependently-typed languages. But there is some deep magic going on with Text.Printf that seems rather type-wonky. ...