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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
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answered Aug 1 '13 at 3:53
Eric UrbanEric Urban
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What is the proper way to check if a string is empty in Perl?
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134
For string comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != ope...
Mixing a PHP variable with a string literal
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answered Mar 20 '11 at 13:55
alexalex
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Is there a literal notation for an array of symbols?
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edited Apr 20 '16 at 16:39
Phil Ross
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answered ...
SQLite table constraint - unique on multiple columns
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348
Put the UNIQUE declaration within the column definition section; working example:
CREATE TABL...
Sending a notification from a service in Android
...tin Zeitler
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answered Jul 30 '09 at 18:43
Josef PflegerJosef Pfleger
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iterating over each character of a String in ruby 1.8.6 (each_char)
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Jeremy RutenJeremy Ruten
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How to create a shared library with cmake?
...cify the minimum required version of cmake
cmake_minimum_required(VERSION 3.9)
You should declare a project. cmake says it is mandatory and it will define convenient variables PROJECT_NAME, PROJECT_VERSION and PROJECT_DESCRIPTION (this latter variable necessitate cmake 3.9):
project(mylib VERSIO...
How do you display JavaScript datetime in 12 hour AM/PM format?
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edited Sep 20 at 16:37
WasiF
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answered Jan ...
How do I unset an element in an array in javascript?
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ThiefMaster
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answered Aug 28 '09 at 5:08
goinggoing
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