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Git update submodules recursively
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drewagdrewag
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1
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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...
Breaking a list into multiple columns in Latex
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edited Feb 10 '13 at 21:31
worldsayshi
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answered Sep 9 ...
How to sum up an array of integers in C#
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Provided that you can use .NET 3.5 (or newer) and LINQ, try
int sum = arr.Sum();
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How to “pretty” format JSON output in Ruby on Rails
...ns of JSON. For example:
require 'json'
my_object = { :array => [1, 2, 3, { :sample => "hash"} ], :foo => "bar" }
puts JSON.pretty_generate(my_object)
Which gets you:
{
"array": [
1,
2,
3,
{
"sample": "hash"
}
],
"foo": "bar"
}
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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 ...
Return type of '?:' (ternary conditional operator)
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3 Answers
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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 to navigate through the source code by parts in CamelCase (instead of whole words)?
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3 Answers
3
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