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Rails: Default sort order for a rails model?
...eRecord::Base
default_scope { order(created_at: :desc) }
end
For Rails 2.3, 3, you need this instead:
default_scope order('created_at DESC')
For Rails 2.x:
default_scope :order => 'created_at DESC'
Where created_at is the field you want the default sorting to be done on.
Note: ASC is...
Backing beans (@ManagedBean) or CDI Beans (@Named)?
...
Use CDI.
As per JSF 2.3, @ManagedBean is deprecated. See also spec issue 1417. This means that there's not anymore a reason to choose @ManagedBean over @Named. This was first implemented in Mojarra 2.3.0 beta version m06.
History
The core diff...
Citrix服务器虚拟化：XenApp 6.5发布服务器上的应用程序 - 更多技术 - 清泛...
...上运行彼此冲突的应用程序（例如同一个应用程序的多个版本），而无需将这些应用程序隔离。这简化了应用程序的更新过程，因为您只需更新一个应用程序配置文件。场服务器需要有足够的资源来支持应用程序。用户必须连接...
What components are MVC in JSF MVC framework?
...5 upvoted Q/A in Stackoverflow remember their existence and start with jsf 2.3 and
– Kukeltje
Jan 11 '19 at 8:35
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How can I get the current date and time in UTC or GMT in Java?
...rg.joda.time.DateTimeZone.UTC ) );
More detailed example code (Joda-Time 2.3)…
org.joda.time.DateTime now = new org.joda.time.DateTime(); // Default time zone.
org.joda.time.DateTime zulu = now.toDateTime( org.joda.time.DateTimeZone.UTC );
Dump to console…
System.out.println( "Local time i...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。这样一来解决了三台服务器内容一致的问题。
但是新的问题又来了，万一提供NFS服务器挂了怎么办，系统存在单点故障。
如果在三台服务器中创建相同的目录。然后使用Rsync做实施同步怎样呢？
这种方式有两个最重要...
Recursion in Angular directives
....1',
sub: 'iced latte'
}]
}, {
title: '2.3',
sub: 'expresso'
}, ]
}, {
title: '2',
sub: 'milk'
}, {
title: '3',
sub: 'tea',
children: [{
title: '3.1',
sub: 'green tea',
childre...
Adding up BigDecimals using Streams
...ueOf(13)));
invoices.add(new Invoice("C3", "I-003", BigDecimal.valueOf(2.3), BigDecimal.valueOf(8)));
invoices.add(new Invoice("C4", "I-004", BigDecimal.valueOf(1.2), BigDecimal.valueOf(7)));
// Java 8 approach, using Method Reference for mapping purposes.
invoices.stream().map(Invo...
腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
腾讯Tencent开源框架介绍（持续更新）tencent-opensource腾讯开源了很多自己内部久经考验的框架代码，这里对C++及大前端相关的开源框架进行一些探索，有类似需求的可以参考一下。GitHub：https: github com Tencent官网：https: openso 腾...
How to have no pagebreak after \include in LaTeX
... sheets like sheet 1 with exercises (1.1-1.4), sheet 2 with exercises (2.1-2.3) and so on.
– C-Star-W-Star
Oct 30 '16 at 11:20
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