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How to find the size of an array in postgresql
...in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, array_length is a safer bet.
– Roshambo
Sep 20 '17 at ...
bash HISTSIZE vs. HISTFILESIZE?
...session, you start over at 1 with a HISTFILE of HISTFILESIZE=10.
Example 3:
HISTFILESIZE=5 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain at most HISTFILESIZE=5 lines.
You write 50 lines.
At the end of your 50 command...
Multiple Parameters for jQuery selector?
...#id .class')
– chobo2
Apr 20 '10 at 3:22
That really is backwards from what you would have thought looking at the sour...
Parse JSON in JavaScript? [duplicate]
...gramming for an ancient browser, such as IE 7 (2006), IE 6 (2001), Firefox 3 (2008), Safari 3.x (2009), etc. Alternatively, you may be in an esoteric JavaScript environment that doesn't include the standard APIs. In these cases, use json2.js, the reference implementation of JSON written by Douglas C...
How can I split a shell command over multiple lines when using an IF statement?
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edited Jul 13 at 16:27
answered Sep 3 '13 at 19:22
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How do you get the current project directory from C# code when creating a custom MSBuild task?
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answered May 3 '09 at 8:32
Iralda MitroIralda Mitro
6,41255 gold badges2121 silver badges2929 bronze badges
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Unittest setUp/tearDown for several tests
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As of 2.7 (per the documentation) you get setUpClass and tearDownClass which execute before and...
Return type of '?:' (ternary conditional operator)
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How to navigate through the source code by parts in CamelCase (instead of whole words)?
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