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How to modify a global variable within a function in bash?
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edited Oct 2 '18 at 16:01
kvantour
18.6k44 gold badges3535 silver badges4747 bronze badges
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Where do you store your salt strings?
...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
What characters can be used for up/down triangle (arrow without stem) for display in HTML?
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Also, to complete the first set (up down left right - ▲▼◀▼), left is U+25C0 and right is U+25B6. I found these here: unicode.org/charts
– Nathan Long
Nov 19 '10 at 17:06
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How do I comment out a block of tags in XML?
...ns are not allowed and '?>' ends the processing instruction (see http://www.w3.org/TR/REC-xml/#sec-pi)
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How can I check if a command exists in a shell script? [duplicate]
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You can put any of them to your if clause. According to my tests (https://www.topbug.net/blog/2016/10/11/speed-test-check-the-existence-of-a-command-in-bash-and-zsh/), the 1st and 3rd method are recommended in bash and the 5th method is recommended in zsh in terms of speed.
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Find mouse position relative to element
... good write up of the difficulty of this problem can be found here: http://www.quirksmode.org/js/events_properties.html#position
Using the technique that is described there you can find the mouses position in the document. Then you just check to see if it is inside the bounding box of your element,...
Check if PHP session has already started
...status() == PHP_SESSION_NONE) {
session_start();
}
Reference: http://www.php.net/manual/en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_start();
}
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How to redirect and append both stdout and stderr to a file with Bash?
...; > <filename | &file_descriptor>
Please reference to http://www.tldp.org/LDP/abs/html/io-redirection.html
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What is the difference between Type and Class?
...ypes and subclass probably helps to understand that issue as well:
https://www.cs.princeton.edu/courses/archive/fall98/cs441/mainus/node12.html
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Suggestions for debugging print stylesheets?
...o a nice and neat 8.5 x 11 laser print.
W3C reference for purusal: http://www.w3.org/TR/css3-mediaqueries/
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