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Performance optimization strategies of last resort [closed]

...ove, and it doesn't follow exactly the same sequence, but still gets a 2-3 order of magnitude speedup. share | improve this answer | follow | ...
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Cooler ASCII Spinners? [closed]

...⣯⣷ ⠁⠂⠄⡀⢀⠠⠐⠈ The entire braille block, even in random order http://www.fileformat.info/info/unicode/block/braille_patterns/images.htm share | improve this answer | ...
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Do zombies exist … in .NET?

... on critical systems expected to be under heavy-load if at all possible in order to avoid the admittedly small possibility of a "zombie thread" crashing a system. I routinely use locking and I didn't know what a "zombie thread" was, so I asked. The impression I got from his explanation is that a z...
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How to rethrow InnerException without losing stack trace in C#?

...e, which unwraps the inner exceptions from AggregateException instances in order to make the asynchronous language features more like the synchronous language features. share | improve this answer ...
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CALayers didn't get resized on its UIView's bounds change. Why?

... to its superview, which in turn had a CALayer at the bottom of itself (a border), and I wanted it to update border position when the text view's height changed. For some reason layoutSubiews was called way too late (and the layer position was animated). – iosdude ...
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Repeat String - Javascript

...n that I've used everywhere--aligning item prices and totals in JavaScript order forms, data formatting and email / text message formatting and many other uses. Original code for creating strings stringFill1() function stringFill1(x, n) { var s = ''; while (s.length < n) s += x; ...
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Progress indicator during pandas operations

... yep - you will have order(number of groups), so depending on what your bottleneck is this might make a difference – Jeff Sep 4 '13 at 1:27 ...
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Rails 4: assets not loading in production

...ails application server (puma, unicorn) serve Rails code and template. In order to do so, you should turn off config.serve_static_files, and configure alias in Apache and nginx to deal with assets. – Châu Hồng Lĩnh Jun 5 '16 at 2:16 ...
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How to use UIVisualEffectView to Blur Image?

... for simple situations. Since the z-values of the views will depend on the order they are listed in the Document Outline, you can drag a UIVisualEffectView onto the document outline before the view you want to blur. This automatically creates a nested UIView, which is the contentView property of the...
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Expand a random range from 1–5 to 1–7

...verage to 4 significant figures, and the resulting output was uniform. In order to port this code to a language that doesn't have arbitrarily large integers built-in, you'll have to cap the values of pow5 and pow7 to the maximum value of your native integral type -- if they get too big, then reset ...