大约有 21,000 项符合查询结果（耗时：0.0326秒） [XML]
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
...ereas your normal shell is either a login shell or an interactive shell. Description follows, from man bash:
A login shell is one whose first character of argument
zero is a -, or one started with the --login option.
An interactive shell is one started without non-opt...
Internet Explorer's CSS rules limits
...
A javascript script to count your CSS rules:
function countCSSRules() {
var results = '',
log = '';
if (!document.styleSheets) {
return;
}
for (var i = 0; i < document.styleSheets.length; i++) {
...
What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...i, IE9) supports self-closing syntax on every element.
<div/>, <script/>, <br></br> all should work just fine. If they don't, then you have HTML with inappropriately added XHTML DOCTYPE.
DOCTYPE does not change how document is interpreted. Only MIME type does.
W3C decisi...
How can I check if a file exists in Perl?
...ristic guess).
-B
File is a “binary” file (opposite of -T).
-M
Script start time minus file modification time, in days.
-A
Same for access time.
-C
Same for inode change time (Unix, may differ for other platforms)
...
How to check if remote branch exists on a given remote repository?
...
I needed to do a test in a bash script and so was only really interested in the exit code, so I did the following in a local clone: git ls-remote --exit-code . origin/branch-name &> /dev/null then used $? as the test operand
– D...
How do I define global variables in CoffeeScript?
On Coffeescript.org:
8 Answers
8
...
Android: Test Push Notification online (Google Cloud Messaging) [closed]
...very easy way to do this.
Open http://phpfiddle.org/
Paste following php script in box. In php script set API_ACCESS_KEY, set device ids separated by coma.
Press F9 or click Run.
Have fun ;)
<?php
// API access key from Google API's Console
define( 'API_ACCESS_KEY', 'YOUR-API-ACCESS-KEY-GO...
jQuery - getting custom attribute from selected option
...
Here is the entire script with an AJAX call to target a single list within a page with multiple lists. None of the other stuff above worked for me until I used the "id" attribute even though my attribute name is "ItemKey". By using the debugg...
Is $(document).ready necessary?
...
Is $(document).ready necessary?
no
if you've placed all your scripts right before the </body> closing tag, you've done the exact same thing.
Additionally, if the script doesn't need to access the DOM, it won't matter where it's loaded beyond possible dependencies on other script...
How to deploy correctly when using Composer's develop / production switch?
...led in production (on the live server). This is (in theory) very handy for scripts that only make sense in development, like tests, fake-data-tools, debugger, etc.
...