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What do the different readystates in XMLHttpRequest mean, and how can I use them?
...nt
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 readyS...
When to use window.opener / window.parent / window.top
...er, basic information about these things can be found here:
window.opener
https://developer.mozilla.org/en-US/docs/Web/API/Window.opener
I've used window.opener mostly when opening a new window that acted as a dialog which required user input, and needed to pass information back to the main window...
How to get the anchor from the URL using jQuery?
...
If you have a string with an URL/hash, the easiest method is:
var url = 'https://www.stackoverflow.com/questions/123/abc#10076097';
var hash = url.split('#').pop();
If you're using jQuery, use this:
var hash = $(location).attr('hash');
...
Remove non-ascii character in string
...es on those:
http://www.fileformat.info/info/unicode/char/200B/index.htm
https://en.wikipedia.org/wiki/Left-to-right_mark
Note that although the encoding of the embedded character is UTF-8, the encoding in the regular expression is not. Although the character is embedded in the string as three ...
Parsing JSON with Unix tools
...lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can also do this with tools that are likely already installed on your system, like Python using the json module, and so avoid any extra dependencies, while still havi...
How to run multiple DOS commands in parallel?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Full Page
...
This is cross-browser and fully responsive:
<iframe
src="https://drive.google.com/file/d/0BxrMaW3xINrsR3h2cWx0OUlwRms/preview"
style="
position: fixed;
top: 0px;
bottom: 0px;
right: 0px;
width: 100%;
border: none;
margin: 0;
padding: 0;
overflo...
Difference between .success() and .complete()?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How do I merge a specific commit from one branch into another in Git?
...
SOURCE: https://git-scm.com/book/en/v2/Distributed-Git-Maintaining-a-Project#Integrating-Contributed-Work
The other way to move introduced work from one branch to another is to cherry-pick it. A cherry-pick in Git is like a rebase f...
How can I connect to MySQL in Python 3 on Windows?
...
There are currently a few options for using Python 3 with mysql:
https://pypi.python.org/pypi/mysql-connector-python
Officially supported by Oracle
Pure python
A little slow
Not compatible with MySQLdb
https://pypi.python.org/pypi/pymysql
Pure python
Faster than mysql-connector
Almos...