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What REALLY happens when you don't free after malloc?

...ce is explicitly deallocated). The lifetime of an allocated object extends from the allocation until the deallocation.[...] So it has not to be given that the environment is doing the freeing job for you. Otherwise it would be added to the last sentence: "Or until the program terminates." So in oth...
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Is it correct to use JavaScript Array.sort() method for shuffling?

...u say. In particular, I seem to remember that the standard library sorting from either Java or .NET (not sure which) can often detect if you end up with an inconsistent comparison between some elements (e.g. you first claim A < B and B < C, but then C < A). It also ends up as a more complex...
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What are the differences between Clojure, Scheme/Racket and Common Lisp?

...recently Common Lisp has a built-in OO system, though it's quite different from other OO systems you might have used. Notably, it is not enforced--you don't have to write OO code. The languages have somewhat different design philosophies. Scheme was designed as a minimal dialect for understanding th...
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How can I display just a portion of an image in HTML/CSS?

...inset — rectangular/cuboid shapes, defined with four values as 'distance-from' (top right bottom left). circle — circle(diameter at x-coordinate y-coordinate). ellipse — ellipse(x-axis-length y-axis-length at x-coordinate y-coordinate). polygon — defined by a series of x/y coordinates in rel...
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const vs constexpr on variables

...s you should have mentioned that the text in your answer is taken verbatim from "Programming: Principles and Practice Using C++" by Stroustrup – Aky May 16 '16 at 21:14 ...
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Is AngularJS just for single-page applications (SPAs)?

...s really, really easy to create a RESTful API with Express you can consume from your Angular application(s). Google NodeJS Express RESTful API and Angular's $resource and $http services. After that, just start prototyping and playing with it. I think you might find you're overthinking/worrying too m...
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What exactly do “IB” and “UB” mean?

...r, implementations are required to specify a consistent behavior resulting from that action. Unfortunately, there is no category of behavior for which an implementation would be required to specify possible consequences, but would not be required to have any particular consequence occur consistentl...
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Shell equality operators (=, ==, -eq)

...the right-hand-side must be quoted. If not quoted, it is a pattern match! (From bash man page: "Any part of the pattern may be quoted to force it to be matched as a string."). Here in bash, the two statements yielding "yes" are pattern matching, other three are string equality: $ rht="A*" $ lft="A...
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What Content-Type value should I send for my XML sitemap?

... SHOULD NOT assume a default charset if the charset parameter is omitted from an application/xml entity. So if the charset parameter is omitted, the character encoding of text/xml is US-ASCII while with application/xml the character encoding can be specified in the document itself. Now a rule o...
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What is the difference between concurrency and parallelism?

...ifferent organizations with various gophers. Now the strength of Go comes from making this breaking really easy with go keyword and channels. Also, there is excellent underlying support in the runtime to schedule these goroutines. But essentially, is concurrency better that parallelism? Are apple...