大约有 47,000 项符合查询结果（耗时：0.0693秒） [XML]
Convert varchar to uniqueidentifier in SQL Server
... which stores uniqueidentifiers in the format 'a89b1acd95016ae6b9c8aabb07da2010' (no hyphens)
6 Answers
...
Uniq by object attribute in Ruby
...
205
Use Array#uniq with a block:
@photos = @photos.uniq { |p| p.album_id }
...
Storing DateTime (UTC) vs. storing DateTimeOffset
...ample is flight ticket reservation system ... Flight ticket should contain 2 times:
- "take off" time (in timezone of "From" city)
- "landing" time (in timezone of "Destination" city)
share
|
im...
How to generate a random string of a fixed length in Go?
...olution is perfect. This is if performance does matter. Although the first 2 steps (Bytes and Remainder) might be an acceptable compromise: they do improve performance by like 50% (see exact numbers in the II. Benchmark section), and they don't increase complexity significantly.
Having said that, ...
multiple tags
...
142
Yes, absolutely. You can have multiple header, nav, and footer tags sans penalty.
As long as yo...
Can't find a “not equal” css attribute selector
...
mehulmptmehulmpt
12.8k1212 gold badges4040 silver badges7777 bronze badges
add ...
How to dump a table to console?
...ng the one from Penlight:
> t = { a = { b = { c = "Hello world!", 1 }, 2, d = { 3 } } }
> require 'pl.pretty'.dump(t)
{
a = {
d = {
3
},
b = {
c = "Hello world!",
1
},
2
}
}
...
MySQL Results as comma separated list
...
250
You can use GROUP_CONCAT to perform that, e.g. something like
SELECT p.id, p.name, GROUP_CONC...
WPF Command Line
...
answered Jan 8 '09 at 23:13
Matt HamiltonMatt Hamilton
183k5959 gold badges376376 silver badges317317 bronze badges
...
NSLog with CGPoint data
...
259
Actually, the real easiest way to log a CGPoint is:
NSLog(@"%@", NSStringFromCGPoint(point));...