大约有 44,300 项符合查询结果(耗时:0.0428秒) [XML]
How do write IF ELSE statement in a MySQL query
...ably want to use a CASE expression.
They look like this:
SELECT col1, col2, (case when (action = 2 and state = 0)
THEN
1
ELSE
0
END)
as state from tbl1;
share
|
improve this an...
How to add a border just on the top side of a UIView
...
1
2
Next
202
...
How does the Brainfuck Hello World actually work?
...
257
+100
1. Bas...
How to check if a variable is an integer in JavaScript?
...
1
2
Next
354
...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...
216
sqrtss gives a correctly rounded result. rsqrtss gives an approximation to the reciprocal, ac...
Rails I18n validation deprecation warning
I just updated to rails 4.0.2 and I'm getting this warning:
5 Answers
5
...
How would you implement an LRU cache in Java?
...
21 Answers
21
Active
...
The forked VM terminated without saying properly goodbye. VM crash or System.exit called
...
1
2
Next
134
...
Can someone explain the traverse function in Haskell?
...
121
traverse is the same as fmap, except that it also allows you to run effects while you're rebuil...