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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 ...
Detect the Internet connection is offline?
...d approach is to retry the request a few times. If it doesn't go through, alert the user to check the connection, and fail gracefully.
Sidenote: To put the entire application in an "offline" state may lead to a lot of error-prone work of handling state.. wireless connections may come and go, etc. ...
How can a Javascript object refer to values in itself? [duplicate]
...it ",
key2: function() {
return this.key1 + " works!";
}
};
alert(obj.key2());
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clear javascript console in Google Chrome
...console type window.clear = clear, then you'll be able to use clear in any script on your page.
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Prevent double submission of forms in jQuery
...uart.Sklinar - good idea. I used $form though - 'form' because it's more descriptive, and the leading $ because by my convention, that means it's a jQuery object.
– Nathan Long
Jun 25 '12 at 11:08
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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...
How do I split a string into an array of characters? [duplicate]
...cter in the array as you would any other array.
var s = "overpopulation";
alert(s[0]) // alerts o.
UPDATE
As is pointed out in the comments below, the above method for accessing a character in a string is part of ECMAScript 5 which certain browsers may not conform to.
An alternative method you ...
How do I wrap link_to around some html ruby code?
... This shouldn't be used as all html entered inside the raw is prone to XSS.
– Aurril
Dec 19 '11 at 5:40
Not necess...
What should every programmer know about security? [closed]
...its are written leveraging SQL Injection, Local File include, CSRF, and XSS, these are the common problems. (Source: exploit-db.com)
– rook
Mar 26 '12 at 19:58
1
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Wget output document and headers to STDOUT
...e-Control: public, max-age=2592000
Server: gws
Content-Length: 219
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Location: http://www.google.com/ [following]
--2012-08-25 12:20:29-- http://www.google.com/
Resolving www.google.com (www.google.com)... 173.194.69.99, 173.194.69.1...