大约有 492 项符合查询结果（耗时：0.0267秒） [XML]
rails 3 validation on uniqueness on multiple attributes
...
333
In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at...
How can I round to whole numbers in JavaScript?
...
@martellalex: From the question, the OP wanted 43.333 to round to 43 but 43.5 to round to 44, which exactly matches ECMAScript's Math.round()'s behavior of rounding to nearest, and running exact half-integers towards positive infinity.
– hmakholm left o...
Why is January month 0 in Java Calendar?
...
333
It's just part of the horrendous mess which is the Java date/time API. Listing what's wrong wi...
How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...
lintmouselintmouse
4,57977 gold badges3333 silver badges5252 bronze badges
2
...
getting date format m-d-Y H:i:s.u from milliseconds
...
didwefixit
333 bronze badges
answered Apr 13 '15 at 6:00
ArchCodeMonkeyArchCodeMonkey
1,5...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
...back h6 { margin-top: 0 !important; margin-bottom: 0 !important; color:#333; } .feedback-pop { position: fixed; right: 4px; top: 40%; background: #fff; box-sizing: border-box; border-radius: 4px; font-size: 15px; color: #1a1a1a; text-align: center; cursor: pointer; padding: 12px ...
Is there a difference between “throw” and “throw ex”?
...
Harshit
333 bronze badges
answered Apr 8 '09 at 14:24
Marc Gravell♦Marc Gravell
888k...
Which .NET Dependency Injection frameworks are worth looking into? [closed]
...
Bart de Bever
333 bronze badges
answered Aug 21 '08 at 22:29
RobertTheGreyRobertTheGrey
8,43...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...
CrownedClown
333 bronze badges
answered Feb 18 '09 at 13:34
BobBob
87.3k2828 gold badges113...
How many files can I put in a directory?
...
hackingpro
333 bronze badges
answered Jan 21 '09 at 19:16
ISWISW
9,91633 gold badges2222 ...