大约有 40,000 项符合查询结果（耗时：0.0560秒） [XML]
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?
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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. ...
MySQL “incorrect string value” error when save unicode string in Django
...
If it's a new project, I'd just drop the database, and create a new one with a proper charset:
CREATE DATABASE <dbname> CHARACTER SET utf8;
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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
}
...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...ntials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff.
Also, the DefaultRequestHeaders property contains properties that are intended for multiple calls. Having to reset those values on each request defeats the po...
How to list all methods for an object in Ruby?
... @Dirk -- maybe the method is not present...I suggest you file a new question where you show what your AR Class definitions are and then ask about the specific methods that you think :has_many should provide. Also do you have the matching :belongs_to? Rails's capitalization and pluralizati...
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...
How to programmatically set style attribute in a view
... I was just thinking about doing that, right before checking if I had new answers. Thanks a lot.
– Lint_
Jan 7 '10 at 20:12
5
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Test if something is not undefined in JavaScript
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this must be something new with chrome (i'm on win chrome 41 atm). the accepted answer used to work just fine! :P
– joe
Apr 7 '15 at 17:54
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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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