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What does the number in parentheses shown after Unix command names in manpages mean?
...he command is assigned to.
These are split as
General commands
System calls
C library functions
Special files (usually devices, those found in /dev) and drivers
File formats and conventions
Games and screensavers
Miscellanea
System administration commands and daemons
Original descriptions of e...
Determine if a function exists in bash
..., built-in function, external command, or just not defined. Example:
$ LC_ALL=C type foo
bash: type: foo: not found
$ LC_ALL=C type ls
ls is aliased to `ls --color=auto'
$ which type
$ LC_ALL=C type type
type is a shell builtin
$ LC_ALL=C type -t rvm
function
$ if [ -n "$(LC_ALL=C type -t rvm)...
Python syntax for “if a or b or c but not all of them”
...three command line arguments. (Either it runs on default behavior or needs all three values specified.)
15 Answers
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How do I know the script file name in a Bash script?
...ink "$0" || echo "$0")")"
IMO, that'll produce confusing output. "I ran foo.sh, but it's saying I'm running bar.sh!? Must be a bug!" Besides, one of the purposes of having differently-named symlinks is to provide different functionality based on the name it's called as (think gzip and gunzip o...
Can you use if/else conditions in CSS?
...ks something like this:
p {
background-position: <?php echo (@$_GET['foo'] == 'bar')? "150" : "4"; ?>px 8px;
}
In this case, you will however have a performance impact, since caching such a stylesheet will be difficult.
...
For files in directory, only echo filename (no path)
...s Parameter Expansion which is native to the shell and does not require a call to an external binary such as basename
However, might I suggest just using find
find /home/user -type f -printf "%f\n"
share
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AngularJS with Django - Conflicting template tags
... any way to also update the $interpolateProvider for raw output? e.g. {{{foo}}} becoming {{[{foo}]}} ?
– tester
Aug 26 '13 at 7:05
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Benefits of using the conditional ?: (ternary) operator
...
I would basically recommend using it only when the resulting statement is extremely short and represents a significant increase in conciseness over the if/else equivalent without sacrificing readability.
Good example:
int result = Check...
Inheriting from a template class in c++
... way you speak about them determines the way to think about them.
Specifically, Area is not a template class, but a class template. That is, it is a template from which classes can be generated. Area<int> is such a class (it's not an object, but of course you can create an object from that cl...
Proper MIME media type for PDF files
...lication/pdf type should be used - unless you need to be compatible with really old software don't use x-pdf ...
– janniks
Feb 3 at 10:39
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