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Detecting value change of input[type=text] in jQuery
...escription
You can do this using jQuery's .bind() method. Check out the jsFiddle.
Sample
Html
<input id="myTextBox" type="text"/>
jQuery
$("#myTextBox").bind("change paste keyup", function() {
alert($(this).val());
});
More Information
jsFiddle Demonstration
jQuery.bind()
...
Get to UIViewController from UIView?
...o implement it follows:
@protocol MyViewDelegate < NSObject >
- (void)viewActionHappened;
@end
@interface MyView : UIView
@property (nonatomic, assign) MyViewDelegate delegate;
@end
@interface MyViewController < MyViewDelegate >
@end
The view interfaces with its delegate (as UI...
Where can I set environment variables that crontab will use?
...t that sets the environment before running the command.
Always.
# @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $
# Crontab file for Home Directory for Jonathan Leffler (JL)
#-----------------------------------------------------------------------------
#Min Hour Day Month ...
Python: changing value in a tuple
...anting to mutate an immutable container (therefore the "why" is a very valid question) is different than interpreting different formats some of which may be a tuple. Thanks for venting though :)
– Jon Clements♦
Jan 6 '18 at 17:19
...
How to convert CFStringRef to NSString?
...
NSString and CFStringRef are "Toll free bridged", meaning that you can simply typecast between them.
For example:
CFStringRef aCFString = (CFStringRef)aNSString;
works perfectly and transparently. Likewise:
NSString *aNSString = (NSString *)aCFString;
The previous syn...
Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED?
...application that lists all the applications present/ installed on the android device. But I'm getting the below error while i'm trying to run the code.
...
How do I see the extensions loaded by PHP?
...cause it allows my code to check for the required extension and die with a meaningful message. This means the code will tell me if something is wrong, I don't have to remember. I also add minimum PHP version checks - it's only a few lines of code.
– Brian C
A...
How do I call one constructor from another in Java?
...
@JustinTime: Again, it depends on what you mean by "creating" - the object is "created" in that its memory is allocated and the type is set before any constructor bodies are executed. Constructors are initialization rather than creation. In particular, the type of the...
Using grep to search for a string that has a dot in it
...
grep uses regexes; . means "any character" in a regex. If you want a literal string, use grep -F, fgrep, or escape the . to \..
Don't forget to wrap your string in double quotes. Or else you should use \\.
So, your command would need to be:
g...
Catch checked change event of a checkbox
...
<input type="checkbox" id="something" />
$("#something").click( function(){
if( $(this).is(':checked') ) alert("checked");
});
Edit: Doing this will not catch when the checkbox changes for other reasons than a click, like using the keyboar...