大约有 16,317 项符合查询结果（耗时：0.0452秒） [XML]
Verifying that a string contains only letters in C#
...
Only letters:
Regex.IsMatch(input, @"^[a-zA-Z]+$");
Only letters and numbers:
Regex.IsMatch(input, @"^[a-zA-Z0-9]+$");
Only letters, numbers and underscore:
Regex.IsMatch(input, @"^[a-zA-Z0-9_]+$");
...
Unicode equivalents for \w and \b in Java regular expressions?
Many modern regex implementations interpret the \w character class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
...
load and execute order of scripts
There are so many different ways to include JavaScript in a html page. I know about the following options:
4 Answers
...
Can someone explain the traverse function in Haskell?
I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks.
...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
...
The undefined is a normal variable and can be changed simply with undefined = "new value";. So jQuery creates a local "undefined" variable that is REALLY undefined.
The window variable is made local for performance reasons. Because when JavaScrip...
How do you load custom UITableViewCells from Xib files?
The question is simple: How do you load custom UITableViewCell from Xib files? Doing so allows you to use Interface Builder to design your cells. The answer apparently is not simple due to memory managment issues. This thread mentions the issue and suggests a solution, but is pre NDA-release and...
Where do you store your salt strings?
...per per-entry salt string when hashing passwords for database storage. For my needs, storing the salt in the DB next to the hashed password has always worked fine.
...
How to modify a specified commit?
I usually submit a list of commits for review. If I have the following commits:
16 Answers
...
How do I find out which process is locking a file using .NET?
I've seen several of answers about using Handle or Process Monitor , but I would like to be able to find out in my own code (C#)
which process is locking a file.
...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...ication uses infinite scrolling to navigate large lists of heterogenous items. There are a few wrinkles:
3 Answers
...