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How can I confirm a database is Oracle & what version it is using SQL?
...only, hence no need to parse the output to extract version in an automated script.
– pseudocode
Jan 10 '13 at 0:03
@om...
bind event only once
...k functions to an object. For example:
$('#id').bind('click', function(){
alert('hello');
});
$('#id').bind('click', function(){
alert('goodbuy');
});
if you do the above when the object is clicked it will alert hello then goodbye. To make sure only one function is bound to the click event unbi...
How does facebook, gmail send the real time notification?
...ty interesting.
A common method of doing such notifications is to poll a script on the server (using AJAX) on a given interval (perhaps every few seconds), to check if something has happened. However, this can be pretty network intensive, and you often make pointless requests, because nothing has ...
JavaScript: Get image dimensions
...ta("http://www.google.hr/images/srpr/logo3w.png").done(function(test){
alert(test.w + ' ' + test.h);
});
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How do I get the fragment identifier (value after hash #) from a URL?
...w.site.com/index.php#hello";
var hash = url.substring(url.indexOf('#')+1);
alert(hash);
SEE DEMO
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unique object identifier in javascript
...e Object.prototype.a then "a" will be visible when you do for (prop in {}) alert(prop); So you have to make a compromise between augmenting Object.prototype and being able to iterate through record like objects using a for..in loop. This is a serious problem for libraries
– A...
When to use the different log levels
...
error:
Error conditions [but not critical].
"Premature end of script headers"
warn:
Warning conditions. [close to error, but not error]
notice:
Normal but significant [notable] condition.
"httpd: caught SIGBUS, attempting to dump core in ..."
info:
Informat...
Get value from hidden field using jQuery
...t type="hidden" value="" id='h_v' class='h_v'> Using jQuery I want to alert the user to this value .
7 Answers
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How to get first character of string?
...
What you want is charAt.
var x = 'some string';
alert(x.charAt(0)); // alerts 's'
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What does 'var that = this;' mean in JavaScript?
...
var usesthat = new usesThat('Dave');
var usesthis = new usesThis('John');
alert("UsesThat thinks it's called " + usesthat.returnMe().myName + '\r\n' +
"UsesThis thinks it's called " + usesthis.returnMe().myName);
This alerts...
UsesThat thinks it's called Dave
UsesThis thinks it's ...