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Best practices for reducing Garbage Collector activity in Javascript

I have a fairly complex Javascript app, which has a main loop that is called 60 times per second. There seems to be a lot of garbage collection going on (based on the 'sawtooth' output from the Memory timeline in the Chrome dev tools) - and this often impacts the performance of the application. ...
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CSS: how to position element in lower right?

I am trying to position the text element "Bet 5 days ago" in the lower right-hand corner. How can I accomplish this? And, more importantly, please explain so I can conquer CSS! ...
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How to round up the result of integer division?

I'm thinking in particular of how to display pagination controls, when using a language such as C# or Java. 16 Answers ...
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How to Reverse Fragment Animations on BackStack?

I thought the system would reverse animations on the backstack when the back button is pressed when using fragments using the following code: ...
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Using mixins vs components for code reuse in Facebook React

I'm beginning to use Facebook React in a Backbone project and so far it's going really well. However, I noticed some duplication creeping into my React code. ...
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Make page to tell browser not to cache/preserve input values

Most browsers cache form input values. So when the user refreshes a page, the inputs have the same values. 5 Answers ...
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How to get the home directory in Python?

I need to get the location of the home directory of the current logged-on user. Currently, I've been using the following on Linux: ...
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In Python how should I test if a variable is None, True or False

I have a function that can return one of three things: 6 Answers 6 ...
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Is there a “do … while” loop in Ruby?

I'm using this code to let the user enter in names while the program stores them in an array until they enter an empty string (they must press enter after each name): ...
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UIPanGestureRecognizer - Only vertical or horizontal

I have a view that has a UIPanGestureRecognizer to drag the view vertically. So in the recognizer callback, I only update the y-coordinate to move it. The superview of this view, has a UIPanGestureRecognizer that will drag the view horizontally, just updating the x-coordinate. ...