大约有 30,000 项符合查询结果（耗时：0.0405秒） [XML]
Closing WebSocket correctly (HTML5, Javascript)
...y from the page, or closing the browser, all result in the browser automatically closing the connection. Great!!
However with browsers using the new protocol version (eg. Firefox, Chrome and eventually IE10), only closing the browser will result in the browser automatically closing the connection....
How can I make a div stick to the top of the screen once it's been scrolled to?
...ement {
background-color: #c0c0c0;
position:fixed;
top:0;
width:100%;
z-index:100;
}
Edit: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can det...
Maven project.build.directory
...
suppose your project is called project-A, and under project-A, a pom.xml is declared, then ${project.build.sourceDirectory} points to project-A/src/main/java, ${project.build.scriptSourceDirectory} points to project-A/src/main/scripts, ${project.bui...
“git pull” or “git merge” between master and development branches
...itory, and it is always based on a recent origin/master commit, you should call it master, and work there directly. it simplifies your life, and presents things as they actually are: you are directly developing on the master branch.
if develop is shared, it should not be rebased on master, just mer...
What jsf component can render a div tag?
...
Addendum, or set the ID attribute. If I don't do this, it just shows up in the HTML without the surrounding DIV tags.
– James McMahon
Apr 1 '11 at 14:56
...
How can I reorder my divs using only CSS?
...hat order in the HTML? Both div s contain data that varies in height and width.
24 Answers
...
What is causing “Unable to allocate memory for pool” in PHP?
... the people having this problem, please specify you .ini settings. Specifically your apc.mmap_file_mask setting.
For file-backed mmap, it should be set to something like:
apc.mmap_file_mask=/tmp/apc.XXXXXX
To mmap directly from /dev/zero, use:
apc.mmap_file_mask=/dev/zero
For POSIX-compliant...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
...at you can replace a lot of tedious if/then/else code you would write with calls to flatMap (and other higher order functions).
This is especially true for Options (see http://tonymorris.github.io/blog/posts/scalaoption-cheat-sheet/)
But it applies to other monads as well (although I have to admi...
Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
...s not only applies to Linode, but Digital Ocean, AWS EC2 and other VPS providers as well. However, on RedHat based systems /etc/rc.local is /ect/rc.d/local.
share
|
improve this answer
|
...
java: Class.isInstance vs Class.isAssignableFrom
...
Okay. My original point was that the calls are not exactly symmetric to each other, but having re-read your answer you never made this assertion so you're right.
– Gili
Mar 2 '14 at 16:28
...