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How to count duplicate value in an array in javascript
... "a", "b", "c", "f", "g", "h", "h", "h", "e", "a"];
array_elements.sort();
var current = null;
var cnt = 0;
for (var i = 0; i < array_elements.length; i++) {
if (array_elements[i] != current) {
if (cnt > 0) {
document.write(current...
Extending an Object in Javascript
I am currently transforming from Java to Javascript, and it's a bit hard for me to figure out how to extend objects the way I want it to do.
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What is the default scope of a method in Java?
.../class. Package-private is stricter than protected and public scopes, but more permissive than private scope.
More information:
http://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html
http://mindprod.com/jgloss/scope.html
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How can I get name of element with jQuery?
...'name') like this
$('#yourid').attr('name')
you should use an id selector, if you use a class selector you encounter problems because a collection is returned
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How to use subprocess popen Python
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subprocess.Popen takes a list of arguments:
from subprocess import Popen, PIPE
process = Popen(['swfdump', '/tmp/filename.swf', '-d'], stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
There's even a section of the documentation devoted to helping users migrate from os....
How to kill all processes matching a name?
Say I want to kill every process containing the word amarok. I can print out the commands I want to execute. But how do I actually make the shell execute them. ie.
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How can I create an array with key value pairs?
...w["datasource_id"]] = $row["title"];
}
$row["datasource_id"] is the key for where the value of $row["title"] is stored in.
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What do you call the -> operator in Ruby?
...lent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard it being called stabby lambda or stabby literal.
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how to return index of a sorted list? [duplicate]
I need to sort a list and then return a list with the index of the sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
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iOS application: how to clear notifications?
...tion Center in iOS after then are tapped. How can I remove a notification for my application in the Notification Center next time the application opens?
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