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How do I check whether a checkbox is checked in jQuery?
...gt;
// traditional attr
$('#checkMeOut').attr('checked'); // "checked"
// new property method
$('#checkMeOut').prop('checked'); // true
Using the new property method:
if($('#checkMeOut').prop('checked')) {
// something when checked
} else {
// something else when not
}
...
Jackson - Deserialize using generic class
...use that for deserialization. For example -
mapper.readValue(jsonString, new TypeReference<Data<String>>() {});
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PHP Session Fixation / Hijacking
...ssion information for you. The old ID is no longer valid and will cause a new session to be created if the attacker (or anyone else for that matter) tries to use it. Be careful with custom session handlers though....
Destroying a Session
If you're going to destroy a session (on logout for exampl...
Java String to SHA1
...ate static String byteToHex(final byte[] hash)
{
Formatter formatter = new Formatter();
for (byte b : hash)
{
formatter.format("%02x", b);
}
String result = formatter.toString();
formatter.close();
return result;
}
...
Set NOW() as Default Value for datetime datatype?
...
I use a trigger as a workaround to set a datetime field to NOW() for new inserts:
CREATE TRIGGER `triggername` BEFORE INSERT ON `tablename`
FOR EACH ROW
SET NEW.datetimefield = NOW()
it should work for updates too
Answers by Johan & Leonardo involve converting to a timestamp field. ...
If REST applications are supposed to be stateless, how do you manage sessions?
...uld have to send it again in subsequent request. Statelessness also brings new features. It’s easier to distribute a stateless application across load-balanced servers. A stateless application is also easy to cache.
There are actually two kinds of state. Application State that lives on the client...
Are there any JavaScript static analysis tools? [closed]
...ool of the four mentioned here that supports customization and creation of new static analysis rules. One caveat though: CodeSniffer is also the slowest-running of any of the tools mentioned.
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Understanding the ngRepeat 'track by' expression
...even if the JavaScript objects in the collection have been substituted for new ones.
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KnockOutJS - Multiple ViewModels in a single View
...array (or property list) of the other view models.
masterVM = {
vmA : new VmA(),
vmB : new VmB(),
vmC : new VmC(),
}
Then your masterVM can have other properties if needed, for the page itself. Communication between the view models would not be difficult in this situation as you could...
What is the “right” JSON date format?
...so the preferred representations according to ECMA: JSON.stringify({'now': new Date()}) "{"now":"2013-10-21T13:28:06.419Z"}"
– Steven
Oct 21 '13 at 13:28
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