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Check if event exists on element [duplicate]
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$('body').click(function(){ alert('test' )})
var foo = $.data( $('body').get(0), 'events' ).click
// you can query $.data( object, 'events' ) and get an object back, then see what events are attached to it.
$.each( foo, function(i,o) {
alert(i) // guid of the event
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Save modifications in place with awk
...the GNU "sed -i" feature. [...]
Example usage:
$ gawk -i inplace '{ gsub(/foo/, "bar") }; { print }' file1 file2 file3
To keep the backup:
$ gawk -i inplace -v INPLACE_SUFFIX=.bak '{ gsub(/foo/, "bar") }
> { print }' file1 file2 file3
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Redirect stdout pipe of child process in Go
I'm writing a program in Go that executes a server like program (also Go). Now I want to have the stdout of the child program in my terminal window where I started the parent program. One way to do this is with the cmd.Output() function, but this prints the stdout only after the process has exited...
finding and replacing elements in a list
...a dictionary:
a = [1, 2, 3, 4, 1, 5, 3, 2, 6, 1, 1]
dic = {1:10, 2:20, 3:'foo'}
print([dic.get(n, n) for n in a])
> [10, 20, 'foo', 4, 10, 5, 'foo', 20, 6, 10, 10]
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How to see full symlink path
When I'm using ls -la symlinkName or stat symlinkName not all the path is displayed
(e.g ../../../one/two/file.txt )
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git update-index --assume-unchanged on directory
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How to wait for a keypress in R?
I want to pause my R script until the user presses a key.
6 Answers
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Should I use single or double colon notation for pseudo-elements?
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http://www.w3.org/TR/CSS2/syndata.html#rule-sets
You could however use
.foo:after { /*styles*/ }
.foo::after { /*styles*/ }
On the other hand this is more verbose than necessary; for now, you can stick with the one-colon notation.
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How do browser cookie domains work?
...ple.com) will only be accessible for other domains below that domain (e.g. foo.www.example.com or bar.www.example.com) where .example.com can also be accessed by any other domain below example.com (e.g. foo.example.com or bar.example.com).
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Is there a way to instantiate a class by name in Java?
...stance() method on this object:
Class<?> clazz = Class.forName("com.foo.MyClass");
Constructor<?> constructor = clazz.getConstructor(String.class, Integer.class);
Object instance = constructor.newInstance("stringparam", 42);
Both methods are known as reflection. You will typically hav...