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Rails :dependent => :destroy VS :dependent => :delete_all
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Michael Brawn
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answered May 9 '10 at 10:36
shingarashingara
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R programming: How do I get Euler's number?
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3 Answers
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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...一半，如果已经小于一半了所有节点保持只读状态。
3 搭建副本集集群
每个虚拟机都使用如下的配置文件启动实例:
dbpath =/home/lihuilin/mongodata
smallfiles =true
replSet =mvbox
然后在任意一台虚拟机登陆mongo,输入如下...
How do I include related model fields using Django Rest Framework?
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ImportError: no module named win32api
I am using Python 2.7 and I want to use pywin32-214 on Windows 7 . I installed pywin32-214 by using the msi installer. But when I import win32api in my Python script, it throws the error:
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Recreating a Dictionary from an IEnumerable
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If you're using .NET 3.5 or .NET 4, it's easy to create the dictionary using LINQ:
Dictionary...
Localization and internationalization, what's the difference?
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Internationalization (i18n)the process of changing your software so that it isn't hardwired ...
Add a new line in file?
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edited Apr 15 '13 at 22:45
answered Aug 19 '10 at 3:10
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Installing SetupTools on 64-bit Windows
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Apparently (having faced related 64- and 32-bit issues on OS X) there is a bug in the Windows installer. I stumbled across this workaround, which might help - basically, you create your own registry value HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Python\PythonCore\2.6...
How to collapse all methods in Xcode?
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edited Oct 12 '15 at 11:37
answered Feb 15 '11 at 14:24
J...