大约有 9,000 项符合查询结果（耗时：0.0391秒） [XML]
how to replicate pinterest.com's absolute div stacking layout [closed]
...r to Pinterest in this way:
All DIVs are:
div.tile {
display: inline-block;
vertical-align: top;
}
This makes them position in rows better than when they are floated.
Then when the page is loaded, I iterate all DIVs in JavaScript to remove gaps between them. It works acceptably well whe...
What is the best way to check for Internet connectivity using .NET?
...I would like to reiterate the point that Beware - many schools and offices block the ping protocol. If you are using this method for an application that will be used by clients I would advise against this method of checking internet
– user1
Apr 29 '15 at 11:26
...
Format number to 2 decimal places
...://www.w3resource.com/mysql/mathematical-functions/mysql-truncate-function.php
With rounding:
ROUND(0.166, 2)
-- will be evaluated to 0.17
ROUND(0.164, 2)
-- will be evaluated to 0.16
docs: http://www.w3resource.com/mysql/mathematical-functions/mysql-round-function.php
...
IIS_IUSRS and IUSR permissions in IIS8
...IS worker processes run third-party code by default (Classic ASP, ASP.NET, PHP code), it was time to isolate IIS worker processes from other Windows system services and run IIS worker processes under unique identities. The Windows operating system provides a feature called "Virtual Accounts" that al...
Are unused CSS images downloaded?
...e="text/css">
.nonexistent {
background: url('index.php?foo');
}
</style>
</head>
<body>
<?php if(isset($_GET['foo'])) {
file_put_contents('test.txt', $_SERVER['HTTP_USER_AGENT']);
} ?>
</body>
</html>
If te...
Is it possible to use a div as content for Twitter's Popover
... put a <div> inside the popover. Potentially, I would like to use php and mysql in there, but if i could get a div to work i think i can figure out the rest. I tried setting data-content to a div ID, but it didnt work.
...
Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
...detect the difference between recursion vs. a different thread that should block instead. As another answer pointed out, there is a question of the additional overhead of this both in terms of memory to store this context and also the cycles required for maintaining it.
However, there are other con...
mmap() vs. reading blocks
...ance discussions:
Some Java programmers were shocked to discover that nonblocking I/O is often slower than blocking I/O, which made perfect sense if you know that nonblocking I/O requires making more syscalls.
Some other network programmers were shocked to learn that epoll is often slower than pol...
Multiple Updates in MySQL
...ice for dynamic updating too. For example, I used that solution in loop in php: $commandTxt = 'UPDATE operations SET chunk_finished = CASE id '; foreach ($blockOperationChecked as $operationID => $operationChecked) $commandTxt .= " WHEN $operationID THEN $ope...
Why is Thread.Sleep so harmful
...ad. In .NET there's no other reason to use it.
Thread.Sleep(n) means block the current thread for at least the number
of timeslices (or thread quantums) that can occur within n
milliseconds.
The length of a timeslice is different on different versions/types of
Windows and different pro...