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Running PostgreSQL in memory only
... @CraigRinger: To clarify for this particular question: It's a bad idea to mix with valuable data (and thanks for the warning). For unit-testing with a dedicated DB cluster, a ramdisk is fine.
– Erwin Brandstetter
Jul 12 '15 at 0:32
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App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
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DynamicComponents 拓展
.aix 拓展下载（最新版 v2.3.0）：
com.yusufcihan.DynamicComponents.aix
完全支持 App Inventor 2 的动态组件扩展。它基于 Java 的反射功能，因此只需键入类名称即可搜索类来创建组件。因此，它对特定组...
Why git can't do hard/soft resets by path?
...ting version of the file).
A soft reset for a path doesn't make sense.
A mixed reset for a path is what git reset -- <path> does.
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What's the difference between a temp table and table variable in SQL Server?
...092 | 19 | |
| LOP_DELETE_ROWS | LCX_TEXT_MIX | Unknown Alloc Unit | 16348 | 37 | 16348 | 37 | |
| LOP_FORMAT_PAGE | LCX_HEAP | Unknown Alloc Unit | 1596 | 19 | 1596 | 19 |...
How to validate phone numbers using regex
...gal delimiters? Spaces, dashes, and periods? No delimiter allowed? Can one mix delimiters (e.g., +0.111-222.3333)? How are extensions (e.g., 111-222-3333 x 44444) going to be handled? What about special numbers, like 911? Is the area code going to be optional or required?
Here's a regex for a 7 or...
App Inventor 2 App上架国内应用市场完整指南 · App Inventor 2 中文网
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav
... C99 relaxed that restriction, permitting declarations and statement to be mixed within a block, but the syntax of a labeled-statement was not changed.
– Keith Thompson
Aug 28 '13 at 19:21
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How to implement the activity stream in a social network
...he most recent 100 for each user or something like that. With Redis in the mix, it might work like this:
Create your MySQL activity record
For each friend of the user who created the activity, push the ID onto their activity list in Redis.
Trim each list to the last X items
Redis is fast and of...
How to use unicode characters in Windows command line?
...ready said, CMD is fine too.
UPD: Initially, for a bug in cp65001, I was mixing up Kernel and CRTL layers (UPD²: and Windows user-mode API!). Also: Win8 fixes one half of this bug; I clarified the section about “better console” application, and added a reference to how Python does it.
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Logging in Scala
...eniently provides a Logger instance initialized with the name of the class mixed into:
import com.typesafe.scalalogging.slf4j.LazyLogging
class MyClass extends LazyLogging {
logger.debug("This is very convenient ;-)")
}
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