大约有 31,840 项符合查询结果(耗时:0.0425秒) [XML]

https://stackoverflow.com/ques... 

C# Regex for Guid

... This one is quite simple and does not require a delegate as you say. resultString = Regex.Replace(subjectString, @"(?im)^[{(]?[0-9A-F]{8}[-]?(?:[0-9A-F]{4}[-]?){3}[0-9A-F]{12}[)}]?$", "'$0'"); This matches the follo...
https://stackoverflow.com/ques... 

How to implement the activity stream in a social network

... last X items Redis is fast and offers a way to pipeline commands across one connection - so pushing an activity out to 1000 friends takes milliseconds. For a more detailed explanation of what I am talking about, see Redis' Twitter example: http://redis.io/topics/twitter-clone Update February 20...
https://stackoverflow.com/ques... 

Parallelize Bash script with maximum number of processes

...a time. Use the -n option with -P; otherwise chances are that only one exec will be done. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Representing Monetary Values in Java [closed]

... understand that BigDecimal is recommended best practice for representing monetary values in Java. What do you use? Is there a better library that you prefer to use instead? ...
https://stackoverflow.com/ques... 

Why are C# 3.0 object initializer constructor parentheses optional?

It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example: ...
https://stackoverflow.com/ques... 

Stripping everything but alphanumeric chars from a string in Python

...ed the regular expressions to be slower. Interestingly, I tried this with one other option (valid_characters = string.ascii_letters + string.digits followed by join(ch for ch in string.printable if ch in valid_characters) and it was 6 microseconds quicker than the isalnum() option. Still much slow...
https://stackoverflow.com/ques... 

What is DOCTYPE?

...ne how to render a page. Not including a DOCTYPE or including an incorrect one can trigger quirks mode. The kicker here is, that quirks mode in Internet Explorer is quite different from quirks mode in Firefox (and other browsers); meaning that you'll have a much harder job, trying to ensure your pa...
https://stackoverflow.com/ques... 

Is XSLT worth it? [closed]

... be there and didn't give themselves time to write. Functional language. One way to get procedural behaviour, by the way, is to chain multiple transforms together. After each step you have a brand new DOM to work on which reflects the changes in that step. Some XSL processors have extensions to ef...
https://stackoverflow.com/ques... 

Reference: What is variable scope, which variables are accessible from where and what are “undefined

What is "variable scope" in PHP? Are variables from one .php file accessible in another? Why do I sometimes get "undefined variable" errors? ...
https://stackoverflow.com/ques... 

Regular Expressions and negating a whole character group [duplicate]

...examples I gave won't match 'ab' it's true but they also won't match 'a' alone and I need them to. Is there some simple way to do this? ...