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Listing only directories using ls in Bash?
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Four ways to get this done, each with a different output format
1. Using echo
Example: echo */, echo */*/
Here is what I got:
cs/ draft/ files/ hacks/ masters/ static/
cs/code/ files/images/ static/images/ static/stylesheets/
2. Using ls ...
Getting multiple keys of specified value of a generic Dictionary?
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As everyone else has said, there's no mapping within a dictionary from value to key.
I've just noticed you wanted to map to from value to multiple keys - I'm leaving this solution here for the single value version, but I'll then add...
What is the difference between indexOf() and search()?
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The search function (one description here) takes a regular expression, which allows you to match against more sophisticated patters, case-insensitive strings, etc., while indexOf (one description here) simply matches a literal string. However, in...
Checking from shell script if a directory contains files
...e)"
fi
Note: no difference between an empty directory and a non-existing one (and even when the provided path is a file).
There is a similar alternative and more details (and more examples) on the 'official' FAQ for #bash IRC channel:
if (shopt -s nullglob dotglob; f=(*); ((${#f[@]})))
then
ec...
How can I reconcile detached HEAD with master/origin?
...tached, it points directly to a commit—instead of indirectly pointing to one through a branch. You can think of a detached HEAD as being on an unnamed branch.
git symbolic-ref HEAD fails with fatal: ref HEAD is not a symbolic ref
git rev-parse HEAD yields 17a02998078923f2d62811326d130de991d1a95...
How do I size a UITextView to its content?
...nform to its content? Say for instance I have a UITextView that contains one line of text:
39 Answers
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ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
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This one is nasty. No way to debug it. Thanks a lot, Romain Guy for explaining it.
– Yar
Sep 28 '11 at 17:31
1...
Regex replace uppercase with lowercase letters
...ake the whole $1 in lower case in this case here, because $i contains only one letter. \l => first following letter to lower case and \u => first following letter to upper case. Where \U and \I doing it to all following letters.
– Raisch
Dec 30 '15 at 12:...
Failed to serialize the response in Web API with Json
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@NH. You can absolutely use the aforementioned shenanigans, but everything has it's place. The "entities" provided by access to the Data Layer should typically stay in the Data Layer. Anything that wants to use this data within the Business Layer of the application...
Why does this CSS margin-top style not work?
...er separate them
both belong to vertically-adjacent box edges, i.e. form one of the following pairs:
top margin of a box and top margin of its first in-flow child
You can do any of the following to prevent the margin from collapsing:
Float either of your div elements
Make ...