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When to use valueChangeListener or f:ajax listener?
...is bound to the input component's value.
private Object value; // +getter+setter.
public void ajaxListener(AjaxBehaviorEvent event) {
System.out.println(value); // Look, (new) value is already set.
}
Also, if you would need to update another property based on the submitted value, then it w...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...t.com;
if ( $http_host ~* "^(.*)\.test\.com$") {
set $domain $1;
rewrite ^(.*) http://www.test.com/test/$domain/ break;
}
}
方法二：
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
server {
listen 80;...
Can't compare naive and aware datetime.now()
...an compare them
Note: This would raise a ValueError if tzinfo is already set. If you are not sure about that, just use
start_time = challenge.datetime_start.replace(tzinfo=utc)
end_time = challenge.datetime_end.replace(tzinfo=utc)
BTW, you could format a UNIX timestamp in datetime.datetime obje...
jQuery - checkbox enable/disable
...
I had problems with .prop(), it worked on initial set, but if I toggled back and forth, the second time it failed to "disable" the checkbox. I stuck with attr().
– ProVega
May 26 '13 at 20:46
...
What does “|=” mean? (pipe equal operator)
...IGHTS;
simply means we add a flag.
And symmetrically, we test a flag is set using & :
boolean hasVibrate = (DEFAULT_VIBRATE & myFlags) != 0;
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...
MongoDB Many-to-Many Association
...0000000aa9","5783300334000000000aa943","6c6793300334001000000006"]
}
and set up the roles like:
{_id:"6c6793300334001000000006"
,rolename:"Engineer"
}
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Position: absolute and parent height?
...iners and their children are only absolute / relatively positioned. How to set containers height so their children will be inside of them?
...
Input from the keyboard in command line application
...e string with this. Strip them out with string.stringByTrimmingCharactersInSet(NSCharacterSet.newlineCharacterSet())
– pk-nb
Jul 6 '14 at 16:27
...
How to combine two jQuery results
...to make it more apparent that you are combining the two and not adding one set to the other (as the name implies) you can to this: var $allFoosAndBars = $().add($allFoos).add($allBars);
– Chris Bloom
Apr 26 '12 at 17:01
...
UNIX export command [closed]
...herits its environment variables from the parent. For instance if $HOME is set to /root in the parent then the child's $HOME variable is also set to /root.
This only applies to environment variable that are marked for export. If you set a variable at the command-line like
$ FOO="bar"
That variab...