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window.close and self.close do not close the window in Chrome
...ndow.close(). EG:
// ==UserScript==
// @name window.close demo
// @include http://YOUR_SERVER.COM/YOUR_PATH/*
// @grant GM_addStyle
// ==/UserScript==
setTimeout (window.close, 5000);
Thanks to zanetu for the update. Note that this will not work if there is only one tab open. I...
How to apply two CSS classes to a single element
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Include both class strings in a single class attribute value, with a space in between.
<a class="c1 c2" > aa </a>
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Relative URL to a different port number in a hyperlink?
...s solution. It will completely break on clients without Javascript, likely including many accessibility devices like screen readers. Generate the URLs on the server side instead.
– Sven Slootweg
Jul 12 '15 at 17:39
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Copy array by value
...borImre I get that, sure. But answering a specific engineering problem by including an entire library in my opinion is not helpful, it's design bloat. I see developers do that a lot, and then you end up with a project that included an entire framework to replace having to write a single function. Ju...
How does C compute sin() and other math functions?
...form, somewhere in the appropriate subdirectory of sysdeps.
One directory includes an implementation in C, contributed by IBM. Since October 2011, this is the code that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. So...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...hrome.
To test this, I set up two Client domains and one Server domain. I included a CORS whitelist on the Server, which allowed CORS requests from Client 1 but not from Client 2. I tested both clients, and indeed Client 1's CORS requests succeeded while Client 2's failed.
Then I spoofed Client 2'...
Const in JavaScript: when to use it and is it necessary?
...nge its value later. It is not supported in Internet Explorer 6-10, but is included in Internet Explorer 11. The const keyword currently declares the constant in the function scope (like variables declared with var).
It then goes on to say:
const is going to be defined by ECMAScript 6, but wit...
Linking to other Wiki pages on GitHub? [closed]
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-1 since it breaks; Needs to be updated to include last comment on this thread and I'll change to +1.
– Merlyn Morgan-Graham
Jan 21 '13 at 2:37
9
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Escape a string for a sed replace pattern
...e clause), \ (to escape characters, backreference, &c.), and & (to include the match in the replacement). Therefore, all you need to do is escape those three characters:
sed "s/KEYWORD/$(echo $REPLACE | sed -e 's/\\/\\\\/g; s/\//\\\//g; s/&/\\\&/g')/g"
Example:
$ export REPLACE=...
What is the difference between an expression and a statement in Python?
...ressions only contain identifiers, literals and operators, where operators include arithmetic and boolean operators, the function call operator () the subscription operator [] and similar, and can be reduced to some kind of "value", which can be any Python object. Examples:
3 + 5
map(lambda x: x*x...