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LEFT OUTER joins in Rails 3
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@posts = Post.joins("LEFT OUTER JOIN users ON users.id = posts.user_id").
joins(...
How to create an infinite loop in Windows batch file?
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answered Mar 30 '11 at 14:14
thkalathkala
73.8k1919 gold badges141141 silver badges184184 bronze badges
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What is the difference between save and insert in Mongo DB?
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147
Save Vs Insert :
In your given examples, the behavior is essentially the same.
save behaves di...
How can I prevent the backspace key from navigating back?
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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，加强局域网的安全性等。它的主要作用有以下几点。
1．共享网络
2．加快访问速度，节约通信带宽
3．防止内部主机受到攻击
4．限制用户访问，完善网络管理
原理：
① 客户端A向代理服务器提出访问Internet的请求。
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Is < faster than
Is if( a < 901 ) faster than if( a <= 900 ) .
14 Answers
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Python 3: ImportError “No Module named Setuptools”
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Soham Dongargaonkar
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answered Jan 20 '13 at 16:27
tiagotiago
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Which data type for latitude and longitude?
...and PostGIS. I want to store latitude and longitude values in PostgreSQL 9.1.1 database table. I will calculate distance between two points, find nearer points by using this location values.
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Pass Multiple Parameters to jQuery ajax call
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10 Answers
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SCOPE_IDENTITY() for GUIDs?
...SERT INTO dbo.GuidPk (
Col2
)
OUTPUT inserted.ColGuid
INTO @op
VALUES (1)
SELECT * FROM @op
SELECT * FROM dbo.GuidPk
Reference: Exploring SQL 2005’s OUTPUT Clause
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