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Maven: how to do parallel builds?
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234
Maven 3 (as of beta 1) now supports parallel builds as an experimental feature.
For example,
m...
Looking for files NOT owned by someone
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284
The find(1) utility has primaries that can be negated ("reversed") using the "!" operator. On ...
PreparedStatement IN clause alternatives?
...uct the result set.
Prepare N different size-of-IN-list queries; say, with 2, 10, and 50 values. To search for an IN-list with 6 different values, populate the size-10 query so that it looks like SELECT my_column FROM my_table WHERE search_column IN (1,2,3,4,5,6,6,6,6,6). Any decent server will opti...
NOT IN vs NOT EXISTS
...ever. This article shows another one for a query against the AdventureWorks2008 database.
For the NOT IN on a NOT NULL column or the NOT EXISTS against either a nullable or non nullable column it gives the following plan.
When the column changes to NULL-able the NOT IN plan now looks like
It ...
Scala underscore - ERROR: missing parameter type for expanded function
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answered Oct 2 '11 at 15:09
retronymretronym
53k1010 gold badges149149 silver badges168168 bronze badges
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$routeParams doesn't work in resolve function
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273
You need to use $route.current.params.key instead. The $routeParams is updated only after a ro...
组件使用指导 · App Inventor 2 中文网
...生成 App 鸿蒙 · 一套积木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 关于我们 发布日志 服务条款 ...
Favorite way to create an new IEnumerable sequence from a single value?
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answered Jun 20 '09 at 4:40
Bryan WattsBryan Watts
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What package naming convention do you use for personal/hobby projects in Java?
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12 Answers
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C# - Multiple generic types in one list
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201
public abstract class Metadata
{
}
// extend abstract Metadata class
public class Metadata<...