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Shell equality operators (=, ==, -eq)
...eq foo ]; echo "$?" # wrong
-bash: [: foo: integer expression expected
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(Side note: Quote those variable expansions! Do not leave out the double quotes above.)
If you're writing a #!/bin/bash script then I recommend using [[ instead. The doubled form has more features, more natural syntax, a...
shared_ptr to an array : should it be used?
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2 Answers
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Active
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Aggregate function in an SQL update query?
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UPDATE t1
SET t1.field1 = t2.field2Sum
FROM table1 t1
INNER JOIN (select field3, sum(field2) as field2Sum
from table2
group by field3) as t2
on t2.field3 = t1.field3
sh...
Generate random int value from 3 to 6
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edited Feb 6 at 21:51
Hugues Paquet Blanchette
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Generating random whole numbers in JavaScript in a specific range?
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What is a method group in C#?
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edited Feb 20 '15 at 2:44
ErikE
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Spring Boot Rest Controller how to return different HTTP status codes?
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edited Nov 21 '19 at 9:27
informatik01
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How do you perform a CROSS JOIN with LINQ to SQL?
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152
A cross-join is simply the Cartesian product of two sets. There's no explicit join operator for ...
Elegant method to generate array of random dates within two dates
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248
Maybe I am missing something, but isn't this it?
function randomDate(start, end) {
return...
How do I know the current width of system scrollbar?
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Frank Krueger
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answered May 13 '09 at 9:13
leppieleppie
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