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Appropriate hashbang for Node.js scripts
...Packet Radio Node program), then you can use this "two-line shebang" taken from Unix & Linux Stack Exchange:
#!/bin/sh
':' //; exec "$(command -v nodejs || command -v node)" "$0" "$@"
console.log('Hello world!');
but do you really need to do this when almost nobody else in the Node world is?...
Ruby on Rails: How do I add placeholder text to a f.text_field?
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How is it different from the accepted @nslocum answer?
– mlt
Dec 3 '16 at 0:02
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php static function
...h the class, not an instance of the class. As such, $this is not available from a static context ($this isn't pointing to any object).
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How to run cron once, daily at 10pm
...t I look at everytime I am writing a new crontab entry:
To start editing from terminal -type:
zee$ crontab -e
what you will add to crontab file:
0 22 * * 0 some-user /opt/somescript/to/run.sh
What it means:
[
+ user => 'some-user',
+ minute => ‘0’, <<= ...
Force point (“.”) as decimal separator in java
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You can use NumberFormat and DecimalFormat.
Take a look at this link from Java Tutorials LocaleSpecific Formatting
The section titled Locale-Sensitive Formatting is what you need.
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Create folder with batch but only if it doesn't already exist
...ndonk This works on Windows 7 and Windows Server 2012 as far as I can tell from testing, and I'd be very surprised if it doesn't work at least back to XP and up to Windows 10. Can you provide the conditions when this doesn't work?
– jpmc26
Mar 10 '16 at 19:00
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Git clone without .git directory
...lies --single-branch, you can un-imply it with --no-single-branch. (Taken from the git clone man page)
– Robert Stoddard
Jul 20 '16 at 22:00
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Simulate first call fails, second call succeeds
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From the docs:
Sometimes we need to stub with different return value/exception for the same method call. Typical use case could be mocking iterators. Original version of Mockito did not have this feature to promote simple...
How can I define colors as variables in CSS?
...s to get it working in Safari - support for CSS seems to have been removed from Webkit in spring/summer 2013. bugs.webkit.org/show_bug.cgi?id=114119 lists.webkit.org/pipermail/webkit-dev/2013-April/024476.html Still works in Chrome after enabling the flag mentioned above.
– Mar...
Can an input field have two labels?
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I assume this question is about HTML forms. From the specification:
The LABEL element may be used to attach information to controls. Each LABEL element is associated with exactly one form control.
Thus, each form control can be referenced by multiple labels, but ...