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Better way to check variable for null or empty string?
Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty?
10 Answers
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Get a random item from a JavaScript array [duplicate]
...tion if you want: npmjs.com/package/lodash.sample
– XåpplI'-I0llwlg'I -
Dec 4 '15 at 11:32
4
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AI2 Keep Awake
... standby mode. 1) Android hat seine Powermanagement-Policy mehrmals geändert. Außerdem implementieren die verschiedenen Gerätehersteller diese Funktionen z.T. unterschiedlich. Man sollte also unbedingt testen, ob die hier gemachten Angaben für das eigene Projekt zutreffen. Das oben beschr...
How to compare two revisions in Bitbucket?
...id with the current version of Bitbucket?
– Martin Stålberg
Oct 31 '17 at 10:03
I just tried this with two commits fr...
Is it possible to rename a maven jar-with-dependencies?
...ered Jul 1 '19 at 10:49
Mark SchäferMark Schäfer
64911 gold badge88 silver badges1717 bronze badges
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Most useful NLog configurations [closed]
What are the best or most useful configurations for logging with NLog? (These can be simple or complex, as long as they're useful.)
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postgres: upgrade a user to be a superuser?
...sterweily You can do \du to list all users/roles.
– XåpplI'-I0llwlg'I -
Apr 6 '14 at 23:38
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Very simple log4j2 XML configuration file using Console and File appender
...ed Sep 29 '16 at 8:14
Christof KälinChristof Kälin
1,12722 gold badges1313 silver badges2424 bronze badges
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php Replacing multiple spaces with a single space [duplicate]
...t/manual/en/function.mb-ereg-replace.php
– Juha Palomäki
Oct 3 '16 at 13:03
1
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Negative matching using grep (match lines that do not contain foo)
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@OlleHärstedt, I think I misunderstood your scenario in my previous comment, the following may be what you're looking for grep "" /dev/null * | grep foo | grep -v bar | cut -d: -f1 | sort -u (why the first grep?, there's always a ...