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Assigning default values to shell variables with a single command in bash
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Very close to what you posted, actually:
FOO=${VARIABLE:-default} # If variable not set or null, use default.
Or, which will assign default to VARIABLE as well:
FOO=${VARIABLE:=default} # If variable not set or null, set it to default.
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What does @media screen and (max-width: 1024px) mean in CSS?
...ut a media query and use 'max-width' to overwrite this when it goes to a smaller device
– MintWelsh
Jun 16 '15 at 12:01
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How to draw circle in html page?
...have a higher chance of it looking the same on different systems since not all computers/browsers have the same fonts installed.
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Get selected option text with JavaScript
... .innerText for .text() method operation? It is not by standards, it is totally wrong because it doesn't use .text. Where are the downvotes?
– VisioN
Feb 20 '13 at 10:11
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How do you reset the stored credentials in 'git credential-osxkeychain'?
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Since this wasn’t clear to me: you have to enter all 3 lines above, and then press return again – i.e. lines 2/3 above are not output from the command, but input.
– Frederik
Mar 13 '18 at 11:45
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Is it possible to style html5 audio tag?
...sted my comment because the question is about styling html5 video tag, and all the answers are more or less like yes, it is possible, using other tags.
– Fernando
May 26 '14 at 14:34
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Align items in a stack panel?
...l will arrange child elements into single line (either vertical or horizontally) whereas a DockPanel defines an area where you can arrange child elements either horizontally or vertically, relative to each other (the Dock property changes the position of an element relative to other elements within ...
Error 330 (net::ERR_CONTENT_DECODING_FAILED):
...rked for me too. (quercus-4.0.39 + glassfish4 + create web-inf/php.ini manually.
– Malcolm Boekhoff
Mar 22 '16 at 6:20
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Error 5 : Access Denied when starting windows service
...essage when something faulted the service. Check the Event Viewer (specifically the 'Windows Logs > Application') for the real error message.
In my case, it was a bad service configuration setting in app.config.
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Different ways of clearing lists
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Clearing a list in place will affect all other references of the same list.
For example, this method doesn't affect other references:
>>> a = [1, 2, 3]
>>> b = a
>>> a = []
>>> print(a)
[]
>>> print(b)
[1, 2, 3]
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