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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
... or without -n/-z is suitable for checking a variable.
| 1a 2a 3a 4a 5a 6a | 1b 2b 3b 4b 5b 6b
| [ [" [-n [-n" [-z [-z" | [[ [[" [[-n [[-n" [[-z [[-z"
-----+------------------------------------+------------------------------------
unset| ...
How do I check that multiple keys are in a dict in a single pass?
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370
Well, you could do this:
>>> if all (k in foo for k in ("foo","bar")):
... print...
Android - implementing startForeground for a service?
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131
I'd start by completely filling in the Notification. Here is a sample project demonstrating the...
Prevent “overscrolling” of web page
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answered Jul 27 '13 at 16:07
Florian FeldhausFlorian Feldhaus
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Prevent scroll-bar from adding-up to the Width of page on Chrome
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edited Sep 2 '13 at 18:28
answered Aug 31 '13 at 13:55
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Using git, how do I ignore a file in one branch but have it committed in another branch?
...hat I'm deploying to Heroku . The source code tree includes a bunch of mp3 files (the website will be for a recording project I was heavily involved with).
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Adding a guideline to the editor in Visual Studio
...e columns by listing more than one number after the color specifier:
RGB(230,230,230), 4, 80
Puts a white line at column 4 and column 80. This should be the value of a string value Guides in "Text Editor" key (see bellow).
Be sure to pick a line color that will be visisble on your background. Th...
What do I use for a max-heap implementation in Python?
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13 Answers
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How can I set the default timezone in node.js?
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139
According to this google group thread, you can set the TZ environment variable before calling a...
How to use NULL or empty string in SQL
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answered Mar 27 '13 at 15:55
codingbadgercodingbadger
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