大约有 10,000 项符合查询结果（耗时：0.0222秒） [XML]
CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术
...irefoxTip{display:none;}
#firefoxTip, x:-moz-any-link, x:default{display:block;/*IE7 firefox3.5及以下 识别 */+display:none/*再区分一次IE7*/}
@-moz-document url-prefix(){#firefoxTip{display:block;/*仅 firefox 识别 */}}
#ChromeTip{display:none;}
@media screen and (-webkit-min-devi...
find() with nil when there are no records
..."some error msg"
end
If you want to recover from the error in the rescue block (e.g. by setting a placeholder user (null pattern)), you can continue with your code below this block. Otherwise you might just put all your code for the "happy case" in the block between "begin" and "rescue".
...
for each loop in Objective-C for accessing NSMutable dictionary
...st to not leave out the 10.6+ option for enumerating keys and values using blocks...
[dict enumerateKeysAndObjectsUsingBlock:^(id key, id object, BOOL *stop) {
NSLog(@"%@ = %@", key, object);
}];
If you want the actions to happen concurrently:
[dict enumerateKeysAndObjectsWithOptions:NSEnume...
Encode URL in JavaScript?
.... Let's say I want to browse to http://somedomain/this dir has spaces/info.php?a=this has also spaces. It should be converted to: http://somedomain/this%20dir%20has%spaces/info.php?a=this%20has%20also%20spaces but many implementations allow '%20' in the querystring to be replaced by '+'. Nevertheles...
Count Rows in Doctrine QueryBuilder
...lass);
$count = $repository->count();
And in Repository/FooRepository.php
public function count()
{
$qb = $repository->createQueryBuilder('t');
return $qb
->select('count(t.id)')
->getQuery()
->getSingleScalarResult();
}
It's better to move $qb = ....
Bootstrap Modal immediately disappearing
... also. For me, I had my theme's bootstrap.min.js pulled in from functions.php. However, I had later installed the Bootstrap shortcodes plugin, which added it's own bootstrap.js. So I just commented out my themes version from functions.php, and now it works perfectly. Thanks for you help.. even 8...
Java Equivalent of C# async/await?
...t:
To that end we have two possible approaches:
the first one uses non-blocking IO and I call it AccessTheWebAsyncNio. Yet, because the AsyncCompletionHandler is an abstract class (instead of a functional interface) we cannot pass a lambda as argument. So it incurs in inevitable verbosity due to...
Log exception with traceback
...
Use logging.exception from within the except: handler/block to log the current exception along with the trace information, prepended with a message.
import logging
LOG_FILENAME = '/tmp/logging_example.out'
logging.basicConfig(filename=LOG_FILENAME, level=logging.DEBUG)
logging...
jQuery convert line breaks to br (nl2br equivalent)
...([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1'+ breakTag +'$2');
}
http://phpjs.org/functions/nl2br:480
share
|
improve this answer
|
follow
|
...
Fit cell width to content
...e.
HTML:
<table style="width: 100%;">
<tr>
<td class="block">this should stretch</td>
<td class="block">this should stretch</td>
<td class="block">this should be the content width</td>
</tr>
</table>
CSS:
td{
border:1px...