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How to get last N records with activerecord?
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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...
Why is there no Char.Empty like String.Empty?
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20 Answers
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Active
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Android: Coloring part of a string using TextView.setText()?
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201
Use spans.
Example:
final SpannableStringBuilder sb = new SpannableStringBuilder("your text ...
Converting XDocument to XmlDocument and vice versa
...om/en-us/library/bb356384.aspx
http://geekswithblogs.net/aspringer/archive/2009/07/01/xdocument-extension.aspx
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app-release-unsigned.apk is not signed
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answered Jan 23 '16 at 13:39
NightFuryNightFury
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“Find next” in Vim
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edited Feb 6 at 15:42
answered Jul 7 '11 at 8:12
Xavi...
How do I determine the current operating system with Node.js
...s.platform
On Mac the variable returns darwin. On Windows, it returns win32 (even on 64 bit).
Current possible values are:
aix
darwin
freebsd
linux
openbsd
sunos
win32
I just set this at the top of my jakeFile:
var isWin = process.platform === "win32";
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ActiveModel::ForbiddenAttributesError when creating new user
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answered Jun 27 '13 at 6:21
DomonDomon
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普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...台的基础架构，继续翻跳过AOP和IoC之后迎来第一个模块“2.2.1”叫CoreContainer（包括spring-core、spring-beans、spring-context、spring-context-support模块）；第三部分的第一个章节（7章）叫TheIoCcontainer。所有IoCContainer是任何一个spring模块都必...
Why can't I reference my class library?
...ve a solution that contains a website and a class library in Visual Studio 2008.
20 Answers
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