大约有 49,000 项符合查询结果（耗时：0.0663秒） [XML]
Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
...
102
I had the same error message after upgrading to XCode 5.1. Are you using CocoaPods? If so, thi...
What are the sizes used for the iOS application splash screen?
...
2018 Update - Please don't use this info !
I'm leaving the below post for reference purposes.
Please read Apple's documentation Human Interface Guidelines - Launch Screens for details on launch screens and recommendations.
Th...
How do I restore a dump file from mysqldump?
...QL database file that I need to restore as a database on my Windows Server 2008 machine.
17 Answers
...
Equivalent of *Nix 'which' command in PowerShell?
...
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Sep 15 '08 at 17:56
halr9000halr...
Why does the C++ STL not provide any “tree” containers?
...
|
edited May 24 '19 at 14:53
Deduplicator
40.1k66 gold badges5858 silver badges101101 bronze badges
...
Why not to deploy on a Friday? [closed]
Joel mentioned in StackOverflow podcast #24 that it's FogCreek company policy to not ship software on Fridays. However, he didn't elaborate as to why.
...
iOS 7 - Failing to instantiate default view controller
...reate a new Storyboard in your project, name it something like Main_iPhoneV2 (or iPadV2 depending on your original storyboard style)
Open the broken storyboard, click anywhere in the white area and press command-a, then command-c (select all and copy)
Open your new storyboard and press command-v to ...
How to get last N records with activerecord?
...
Updated Answer (2020)
You can get last N records simply by using last method:
Record.last(N)
Example:
User.last(5)
Returns 5 users in descending order by their id.
Deprecated (Old Answer)
An active record query like this I think would get yo...