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What is the volatile keyword useful for?
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How do I increase the RAM and set up host-only networking in Vagrant?
...nd I would like to configure “Host-Only” networking to use "199.188.44.20".
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How do I replace the *first instance* of a string in .NET?
...DIT: As @itsmatt mentioned, there's also Regex.Replace(String, String, Int32), which can do the same, but is probably more expensive at runtime, since it's utilizing a full featured parser where my method does one find and three string concatenations.
EDIT2: If this is a common task, you might want...
How can I strip first X characters from string using sed?
...ux in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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How do I get the first n characters of a string without checking the size or going out of bounds?
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Stephen CStephen C
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Git merge reports “Already up-to-date” though there is a difference
I have a git repository with 2 branches: master and test.
15 Answers
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Cross browser JavaScript (not jQuery…) scroll to top animation
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How to create a temporary directory/folder in Java?
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edited Sep 28 '18 at 20:58
GreenGiant
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Check if a Postgres JSON array contains a string
...as food
d(# where food::text = '"carrots"'
d(# );
Execution time: 3084.927 ms
d=# -- Postgres 9.4+ solution
d=# explain analyze select info->'name' from rabbits where (info->'food')::jsonb ? 'carrots';
Execution time: 1255.501 ms
d=# alter table rabbits alter info type jsonb using info::...
How to make an app's background image repeat
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edited Mar 15 '14 at 15:20
Michael
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answered Ap...