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How to merge two arrays in JavaScript and de-duplicate items
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To just merge the arrays (without removing duplicates)
ES5 version use Array.concat:
var array1 = ["Vijendra", "Singh"];
var array2 = ["Singh", "Shakya"];
console.log(array1.concat(array2));
ES6 version use destructuring
const array1 = ["Vij...
Ruby, remove last N characters from a string?
...'123') # => "abc"
'abc123'.delete_suffix!('123') # => "abc"
It's even significantly faster (almost 40% with the bang method) than the top answer. Here's the result of the same benchmark:
user system total real
chomp 0.949823 0.001025 ...
How can I pad an int with leading zeros when using cout
I want cout to output an int with leading zeros, so the value 1 would be printed as 001 and the value 25 printed as 025 . How can I do this?
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jQuery `.is(“:visible”)` not working in Chrome
...code runs smooth in Firefox, but doesn't seem to work in Chrome. In Chrome it shows .is(":visible") = false even when it is true .
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Separating class code into a header and cpp file
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The class declaration goes into the header file. It is important that you add the #ifndef include guards, or if you are on a MS platform you also can use #pragma once. Also I have omitted the private, by default C++ class members are private.
// A2DD.h
#ifndef A2DD_H
#defi...
How to get Twitter-Bootstrap navigation to show active link?
I'm not understanding how Twitter Bootstrap does active links for the navigation. If I have a regular navigation like this (with ruby on rails linking):
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GitHub relative link in Markdown file
Is there a way to create a URL anchor, <a> , link from within a Markdown file, to another file within the same repository and branch (aka a link relative to the current branch)?
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Is it safe to resolve a promise multiple times?
...ine. Only thing to understand is that once resolved (or rejected), that is it for a defered object - it is done.
If you should call then(...) on it's promise again, you should immediately get the (first) resolved/rejected result.
Additional calls to resolve() will not (should not?) have any effe...
Passing a URL with brackets to curl
If I try to pass a URL to curl that contains brackets, it fails with an error:
2 Answers
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Sorting object property by values
...what you set out to do. That would work in all the browsers I know of, but it would be dependent on an implementation quirk, and could break at any time. You should never make assumptions about the order of elements in a JavaScript object.
var objSorted = {}
sortable.forEach(function(item){
objS...