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How to set the prototype of a JavaScript object that has already been instantiated?

...sire. Basically prototype/methods just allow for a way to group functions based on an object. Instead of writing function trim(x){ /* implementation */ } trim(' test '); you write ' test '.trim(); The above syntax has been coined the term OOP because of the object.method() syntax. Som...
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Convert json data to a html table [closed]

...ten your code in vanilla-js, using DOM methods to prevent html injection. Demo var _table_ = document.createElement('table'), _tr_ = document.createElement('tr'), _th_ = document.createElement('th'), _td_ = document.createElement('td'); // Builds the HTML Table out of myList json d...
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Collapsing Sidebar with Bootstrap

...to keep the code as simple as possible. Fixed sidebar Here you can see a demo of a simple fixed sidebar I've developed with the same height as the page Sidebar in a column I've also developed a rather simple column sidebar that works in a two or three column page inside a container. It takes the...
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Unable to load config info from /usr/local/ssl/openssl.cnf on Windows

... Or C:\OpenSSL-Win64\bin\openssl.cfg in 64bits systems – borjab Nov 13 '14 at 9:59 13 ...
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How to automatically generate a stacktrace when my program crashes

...his output: $ ./test Error: signal 11: ./test(handler+0x19)[0x400911] /lib64/tls/libc.so.6[0x3a9b92e380] ./test(baz+0x14)[0x400962] ./test(bar+0xe)[0x400983] ./test(foo+0xe)[0x400993] ./test(main+0x28)[0x4009bd] /lib64/tls/libc.so.6(__libc_start_main+0xdb)[0x3a9b91c4bb] ./test[0x40086a] This show...
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Principal component analysis in Python

...s is another variant of the XY problem - the OP said he didn't want an SVD-based solution because he thought SVD will be too slow, probably without having tried it yet. In cases like this I personally think it's more helpful to explain how you would tackle the broader problem, rather than answering ...
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Merge 2 arrays of objects

... Update 12 Oct 2019 New version based only on newer Javascript and without the need of any 3rd party library. const mergeByProperty = (target, source, prop) => { source.forEach(sourceElement => { let targetElement = target.find(targetElement...
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Why does struct alignment depend on whether a field type is primitive or user-defined?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Objective-C ARC: strong vs retain and weak vs assign

...gnment occurs when evaluating an assignment operator. The semantics vary based on the qualification: For __strong objects, the new pointee is first retained; second, the lvalue is loaded with primitive semantics; third, the new pointee is stored into the lvalue with primitive semantics; an...
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What is the JavaScript version of sleep()?

...read wakes up. The issue here is that JavaScript is a single-thread event-based model. While in a specific case, it might be nice to have the whole engine wait for a few seconds, in general it is bad practice. Suppose I wanted to make use of your functions while writing my own? When I called your m...