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Rails: How to list database tables/objects using the Rails console?
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308
You are probably seeking:
ActiveRecord::Base.connection.tables
and
ActiveRecord::Base.connec...
Hidden Features of Visual Studio (2005-2010)?
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answered Sep 19 '08 at 8:35
community wiki
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...好了，安装软件！
1、准备机器，IP分别设置为： 192.168.0.136、192.168.0.137、192.168.0.138。
2、分别在每台机器上建立mongodb分片对应测试文件夹。
#存放mongodb数据文件
mkdir -p /data/mongodbtest
#进入mongodb文件夹
cd /data/mongodbtest
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Alter table add multiple columns ms sql
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James
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answered Mar 26 '10 at 13:50
Philip KelleyPhili...
How to get a substring of text?
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answered May 31 '11 at 8:14
Matteo AlessaniMatteo Alessani
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Turn Pandas Multi-Index into column
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Will
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answered Sep 8 '14 at 21:42
CraigSFCraigSF
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Setting JDK in Eclipse
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edited Oct 21 '19 at 18:04
Manuel Jordan
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How to easily truncate an array with JavaScript?
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186
There is a slice method
array.slice(0, 4);
Will return the first four elements.
Don't forg...
Using Python String Formatting with Lists
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8 Answers
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Switch case with fallthrough?
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edited Sep 28 '16 at 23:46
heemayl
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