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jquery if div id has children
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if ( $('#myfav').children().length > 0 ) {
// do something
}
This should work. The children() function returns a JQuery object that contains the children. So you just need to check the size and see if it has at least one child.
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How do I give text or an image a transparent background using CSS?
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30 Answers
30
Active
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Remove duplicate values from JS array [duplicate]
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edited Dec 26 '16 at 10:53
Martijn Pieters♦
839k212212 gold badges32183218 silver badges28092809 bronze badges
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Tetris-ing an array
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answered Jul 18 '10 at 13:05
starbluestarblue
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Java 8 forEach with index [duplicate]
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170
Since you are iterating over an indexable collection (lists, etc.), I presume that you can then ...
How to use > in an xargs command?
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201
Do not make the mistake of doing this:
sh -c "grep ABC {} > {}.out"
This will break under...
Golang: How to pad a number with zeros when printing?
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The fmt package can do this for you:
fmt.Printf("|%06d|%6d|\n", 12, 345)
Notice the 0 in %06d, that will make it a width of 6 and pad it with zeros. The second one will pad with spaces.
You can see it in action here: http://play.golang.org/p/cinDspMccp
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Get the name of the currently executing method
$0 is the variable for the top level Ruby program, but is there one for the current method?
5 Answers
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Checking for the correct number of arguments
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#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
exit 1
fi
Translation: If number of arguments is not (numerically) equal to 1 or the first argument is not a directory, output usage to stderr and exit with a failure status code.
More friendly er...
Chmod recursively
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edited Nov 14 '12 at 11:30
answered Nov 14 '12 at 11:23
Fr...