大约有 47,000 项符合查询结果（耗时：0.0604秒） [XML]
Crop MP3 to first 30 seconds
...
I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the qu...
Print the contents of a DIV
... Firefox or other browsers too). The best way i found is to run the print (and close) only after windows is loaded. So after: mywindow.document.write(data); Add this: mywindow.document.write('<script type="text/javascript">$(window).load(function() { window.print(); window.close(); });</scr...
How to add 10 days to current time in Rails
...ven
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
share
...
Rails: What's a good way to validate links (URLs)?
...ffix List, a list maintained by Mozilla. I created a Ruby library to parse and validate domains against the Public Suffix List, and it's called PublicSuffix.
If you want to validate the format of an URI/URL, then you might want to use regular expressions. Instead of searching for one, use the built-...
Multiline comment in PowerShell
...
In PowerShell v2 and newer, use the following syntax for the multiline comments:
<# a
b
c #>
share
|
improve this answer
...
Convert Object to JSON string
... answered Oct 11 '10 at 7:35
jAndyjAndy
203k4747 gold badges283283 silver badges345345 bronze badges
...
jQuery .each() index?
...
And not, for example, function( value | element, index | key ), like the equivalent native method forEach and every other popular API.
– Barney
Dec 5 '13 at 14:41
...
Escaping regex string
... as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex?
...
Set custom HTML5 required field validation message
...sign a function, it can accept a reference to the input element (DOM node) and it must return a string which is then displayed as the error message.
Compatibility
Tested in:
Chrome Canary 47.0.2
IE 11
Microsoft Edge (using the up-to-date version as of 28/08/2015)
Firefox 40.0.3
Opera 31.0
Ol...
Catching java.lang.OutOfMemoryError?
...
I agree and disagree with most the responses here.
There are a number of scenarios where you may wish to catch an OutOfMemoryError and in my experience (on Windows and Solaris JVMs), only very infrequently is OutOfMemoryError the de...