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What does $$ mean in the shell?
...one way to obtain a unique filename in a shell for temp files was to use a double dollar sign ( $$ ). This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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Can I find events bound on an element with jQuery?
... days one must use: $._data( $('#foo')[0] ).events
– Donald Taylor
Apr 14 '15 at 20:44
5
$._data(...
Is right click a Javascript event?
Is right click a Javascript event? If so, how do I use it?
18 Answers
18
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How to change the text of a button in jQuery?
How do you change the text value of a button in jQuery? Currently, my button has 'Add' as its text value, and upon being clicked I want it to change to 'Save'. I have tried this method below, but so far without success:
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How can I move a tag on a git branch to a different commit?
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You don’t have to use forced push, if the tag reference can be fast forwarded to the new place.
– GergelyPolonkai
Nov 25 '14 at 11:12
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How to programmatically send a 404 response with Express/Node?
I want to simulate a 404 error on my Express/Node server. How can I do that?
6 Answers
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How can I get query string values in JavaScript?
...ut not complete) browser support.
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');
PS
Unfortunately URLSearchParams don't properly parse query strings with string keyed values.
You might want to try locutus/parse_str
console.log(new URLSearchP...
Display two files side by side
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You can use pr to do this, using the -m flag to merge the files, one per column, and -t to omit headers, eg.
pr -m -t one.txt two.txt
outputs:
apple The quick brown fox..
pear fo...
How to change the default charset of a MySQL table?
... this is not changing the default charset. to change the default do as eak said ALTER TABLE tbl CHARACTER SET utf8
– Accountant م
Sep 22 '16 at 20:18
7
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How to change the port of Tomcat from 8080 to 80?
... I did this and I get a 404 error! Is there anything else I should be doing?
– Saturnian
Jul 20 '14 at 11:35
15
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