大约有 41,730 项符合查询结果（耗时：0.0587秒） [XML]
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption:
6 A...
Why do people say that Ruby is slow? [closed]
I like Ruby on Rails and I use it for all my web development projects. A few years ago there was a lot of talk about Rails being a memory hog and about how it didn't scale very well but these suggestions were put to bed by Gregg Pollack here.
...
How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
20 Answers
20
...
PHP random string generator
I'm trying to create a randomized string in PHP, and I get absolutely no output with this:
59 Answers
...
What is the correct way to check for string equality in JavaScript?
What is the correct way to check for equality between Strings in JavaScript?
9 Answers
...
How do you remove duplicates from a list whilst preserving order?
Is there a built-in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this:
...
How do I check if a number is a palindrome?
How do I check if a number is a palindrome?
50 Answers
50
...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
The pre/post increment/decrement operator ( ++ and -- ) are pretty standard programing language syntax (for procedural and object-oriented languages, at least).
...
Rails: What's a good way to validate links (URLs)?
I was wondering how I would best validate URLs in Rails. I was thinking of using a regular expression, but am not sure if this is the best practice.
...
Why is there no logical xor in JavaScript?
Why is there no logical xor in JavaScript?
19 Answers
19
...