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What do the different readystates in XMLHttpRequest mean, and how can I use them?
...en sent
3 The request is in process
4 The request is complete
(from https://www.w3schools.com/js/js_ajax_http_response.asp)
In practice you almost never use any of them except for 4.
Some XMLHttpRequest implementations may let you see partially received responses in responseText when r...
How to efficiently compare two unordered lists (not sets) in Python?
...,000 ints with 5 repeats, Counter is 4x faster. python3.6 -m timeit -s 'from collections import Counter' -s 'from random import shuffle' -s 't=list(range(100)) * 5' -s 'shuffle(t)' -s 'u=t[:]' -s 'shuffle(u)' 'Counter(t)==Counter(u)'
– Raymond Hettinger
Oct ...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...
Edited
ES6 solution:
[...new Set(a)];
Alternative:
Array.from(new Set(a));
Old response. O(n^2) (do not use it with large arrays!)
var arrayUnique = function(a) {
return a.reduce(function(p, c) {
if (p.indexOf(c) < 0) p.push(c);
return p;
}, []);
};
...
jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
...rgument is named, its existence is all that matters. I ran into this issue from too much copy/pasta.
The Jasmine Asynchronous Support docs note that argument (named done above) is a callback that can be called to let Jasmine know when an asynchronous function is complete. If you never call it, Jasm...
Is there a way to simulate the C++ 'friend' concept in Java?
...red a security mechanism in the sense that they help to prevent developers from using a class member incorrectly. I think they'd probably better be referred to as a safety mechanism.
– crush
Aug 23 '14 at 16:57
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What is a domain specific language? Anybody using it? And in what way?
...ge... when possible. The majority of languages use strings, usually loaded from external files.
Are there any particular advantages of using them? Using them for their intended purposes is very advantageous to the point you will turn to them without knowing, just like you have been using (I presume...
“Invalid JSON primitive” in Ajax processing
I am getting an error in an ajax call from jQuery.
12 Answers
12
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How to Apply global font to whole HTML document
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I think you can omit html from html * here
– JonnyRaa
Nov 13 '17 at 16:28
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show 2 more com...
How can I display an RTSP video stream in a web page?
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It’s not easy to display live video stream from an IP camera on a web page because you need wide internet bandwidth and a great video player that is compatible with the major browsers.
But fortunately there are some cloud based services that can do this job for us. O...
Go to particular revision
...on, if your history is linear, is to figure out how many commits there are from the first commit till master and use git checkout master~543 (if there are 543 commits), then git checkout master~542, etc.
– Marcelo Cantos
Sep 25 '11 at 9:27
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