大约有 47,000 项符合查询结果(耗时:0.0517秒) [XML]

https://stackoverflow.com/ques... 

How do I make a transparent border with CSS?

.... http://www.researchkitchen.de/blog/archives/css-bordercolor-transparent.php share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Regex lookahead, lookbehind and atomic groups

... doesn't support look-behind assertions. And most flavors that support it (PHP, Python etc) require that look-behind portion to have a fixed length. Atomic groups basically discards/forgets the subsequent tokens in the group once a token matches. Check this page for examples of atomic groups ...
https://stackoverflow.com/ques... 

Why is Node.js single threaded? [closed]

In PHP (or Java/ASP.NET/Ruby) based webservers every client request is instantiated on a new thread. But in Node.js all the clients run on the same thread (they can even share the same variables!) I understand that I/O operations are event-based so they don't block the main thread loop. ...
https://stackoverflow.com/ques... 

Regular Expression for alphanumeric and underscores

...A-Z, a-z, or underscore (_). Here is how you would do that: Tested under php: $regex = '/^[A-Za-z_][A-Za-z\d_]*$/' or take this ^[A-Za-z_][A-Za-z\d_]*$ and place it in your development language. share | ...
https://stackoverflow.com/ques... 

Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat

...ne("cat /etc/services") print cmdline('ls') print cmdline('rpm -qa | grep "php"') print cmdline('nslookup google.com') share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Comet implementation for ASP.NET? [closed]

...dows Runtime, and .NET Compact, with server-side support for .NET/Mono and PHP. Clustering is supported using either SQL Server or Azure Caching out of the box, but custom providers can be written for just about anything (Redis, NCache). Disclaimer: I work for the company that develops this produc...
https://stackoverflow.com/ques... 

How to validate a url in Python? (Malformed or not)

...t work for IPv6 urls, which have the form http://[2001:0DB8::3]:8080/index.php?valid=true#result – cimnine Feb 4 '18 at 20:42  |  show 6 more ...
https://stackoverflow.com/ques... 

Is there a Sleep/Pause/Wait function in JavaScript? [duplicate]

...avaScript function that simulates the operation of the sleep function in PHP — a function that pauses code execution for x milliseconds, and then resumes where it left off? ...
https://stackoverflow.com/ques... 

Change URL parameters

...le.net/Draven/tTPYL/1 The URL would look like http://www.domain.com/index.php?action=my_action&view-all=Yes and I need to change the "view-all" value. My SO question that was closed: stackoverflow.com/questions/13025880/… – Draven Oct 25 '12 at 6:43 ...
https://stackoverflow.com/ques... 

Outlook autocleaning my line breaks and screwing up my email format

... confirmed! Here regex as php snippet: $re = '/(?<!\t)((?<!\r)(?=\n)|(?=\r\n))/m'; $subst = " "; $MailText = preg_replace($re, $subst, $MailText); – C4pt4inC4nn4...