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Check if a string matches a regex in Bash script
...]] && echo "yes"
Or more a accurate test:
[[ $date =~ ^[0-9]{4}(0[1-9]|1[0-2])(0[1-9]|[1-2][0-9]|3[0-1])$ ]] && echo "yes"
# |^^^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^ ^^^^^^^^^^ ^^^^^^ |
# | | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ |
# | | | ...
Is there a difference between copy initialization and direct initialization?
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C++17 Update
In C++17, the meaning of A_factory_func() changed from creating a temporary object (C++<=14) to just specifying the initialization of whatever object this expression is initialized to (loosely speaking) in C++17...
Undo VS 'Exclude from project'?
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edited Sep 3 '12 at 13:12
Owais Qureshi
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In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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How to import existing *.sql files in PostgreSQL 8.4?
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142
From the command line:
psql -f 1.sql
psql -f 2.sql
From the psql prompt:
\i 1.sql
\i 2.sql...
Recommended way to stop a Gradle build
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120
I usually throw the relevant exception from the org.gradle.api package, for example InvalidUse...
How can I get Git to follow symlinks?
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13 Answers
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Active
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Print in one line dynamically
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491
Change print item to:
print item, in Python 2.7
print(item, end=" ") in Python 3
If you want...
Why does Google +1 record my mouse movements? [closed]
This is only on pages with a Google +1 box on my website:
9 Answers
9
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UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
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105
I see three solutions to this:
Change the output encoding, so it will always output UTF-8. S...