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How to capture UIView to UIImage without loss of quality on retina display

...IGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everyt...
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Javascript: Round up to the next multiple of 5

... const fn = _num =>{ return Math.round(_num)+ (5 -(Math.round(_num)%5)) } reason for using round is that expected input can be a random number. Thanks!!! ...
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jQuery UI Dialog - missing close icon

...eme. I downloaded every straight from the theme roller and I have intentionally not changed anything. 17 Answers ...
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Best way to convert an ArrayList to a string

...al #14; //Method java/lang/StringBuilder."<init>":()V 68: aload_2 69: invokevirtual #15; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder; 72: aload 4 74: invokevirtual #15; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)...
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Copy folder recursively, excluding some folders

...kHuginnsson - What systems are you using? Rsync is included by default in all mainstream Linux distros I know of, including RHEL, CentOS, Debian, and Ubuntu, and I believe it's in FreeBSD as well. – siliconrockstar Jan 30 '15 at 19:50 ...
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Difference between “process.stdout.write” and “console.log” in node.js?

... console.log() calls process.stdout.write with formatted output. See format() in console.js for the implementation. Currently (v0.10.ish): Console.prototype.log = function() { this._stdout.write(util.format.apply(this, arguments) + '\n')...
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How to access the correct `this` inside a callback?

...d inside each function and its value only depends on how the function was called, not how/when/where it was defined. It is not affected by lexical scopes like other variables (except for arrow functions, see below). Here are some examples: function foo() { console.log(this); } // normal functio...
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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights

...each cell's content and subviews determine the row height (itself/automatically), while maintaining smooth scrolling performance? ...
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Go Error Handling Techniques [closed]

...ome would disagree for sure, but I would argue that this is the style seen all over the standard libraries in Golang. In other words, Go authors write error handling in this way. share | improve thi...
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Detect if a NumPy array contains at least one non-numeric value?

...the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array. 5 Answers ...