大约有 10,000 项符合查询结果（耗时：0.0214秒） [XML]
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...ctions, you don't need to create your own Server. You can simply write JavaScript functions and upload it to Firebase. Firebase will be responsible for triggering functions whenever an event occurs.
If you want to count upvotes for example, you should create a structure similar to this one:
{
"p...
jQuery/JavaScript: accessing contents of an iframe
...html>
<head>
<title>Test</title>
</head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
cleanit = setInterval ( "cleaning()", 500 );
});
fu...
ReactJS Two components communicating
...ternally (it really is simple).
Cursors
Cursors are coming from ClojureScript/Om and widely used in React projects. They permit to manage the state outside of React, and let multiple components have read/write access to the same part of the state, without needing to know anything about the compo...
How can I change an element's text without changing its child elements?
...ter solution using jQuery, but you might be able to do this in regular JavaScript too.
In Javascript, the childNodes property gives you all the child nodes of an element, including text nodes.
So, if you knew the text you wanted to change was always going to be the first thing in the element, then...
vs vs for inline and block code snippets
...lt;codenza> tag for break lining block <code> (no classes)
<script>
</script>
<style>
codenza, code {} /* noop mnemonic aide that codenza mimes code tag */
codenza {display:block;white-space:pre-wrap}
</style>`
Testing:
(NB: the following is a scURI...
What are the security risks of setting Access-Control-Allow-Origin?
... @Gumbo What about static content? (e.g. static cdn content, such as javascripts, css, static htmls etc.) Are there any security issues of setting Access-Control-Allow-Origin: * on them? There will be no nogin etc, they are public to everyone?
– Umut Benzer
J...
VIM + JSLint?
I spend my days in vim, currently writing a lot of JavaScript. I've been trying to find a way to integrate JSLint or something similar into vim to improve my coding. Has anyone managed to do something like this?
...
What is your preferred php deployment strategy? [closed]
...
For PHP, SVN with Phing build scripts are the way to go. Phing is similar to ANT but is written in PHP, which makes it much easier for PHP developers to modify for their needs.
Our deployment routine is as follows:
Everyone develops on the same local s...
Get DOS path instead of Windows path
...ut worst is when international characters are present which simply hose my script taking this dir list as input.
– Marcos
Jan 15 '12 at 12:50
...
How do I change the default port (9000) that Play uses when I execute the “run” command?
...d distribution:
sbt stage
For Play 2.0.x and 2.1.x use the target/start script (Unix Only):
target/start -Dhttp.port=8080
For Play 2.2.x & 2.3.x use the appropriate start script in the target/universal/stage/bin directory:
target/universal/stage/bin/[appname] -Dhttp.port=8080
With Play ...