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How can I remove all objects but one from the workspace in R?

I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...
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How to change color of Android ListView separator line?

...follow | edited Nov 28 '12 at 9:20 Sebastian Hojas 3,98022 gold badges2424 silver badges3737 bronze badges ...
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Center image in div horizontally [duplicate]

...ck; margin: 0 auto; That's all. Note, that you'll also have to set an initial min-width for your outer div. share | improve this answer | follow | ...
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Limitations of SQL Server Express

...hosting provider (Rackspace) is offering a fully managed dedicated server with SQL Server Web version () installed. My company handles web development, and has about 20+ clients using ASP.Net + SQL Server 2005. ...
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SQL Server 2008 can't login with newly created user

I'm using using Windows Vista and I'm having trouble logging in with a newly created user. 4 Answers ...
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Eclipse JUNO doesn't start

When I launch Eclipse, it does not start. An error appears and tells me to see the log file. "See the log file: /Users/max/work/projects/.metadata/.log" OS: MacOS 10.7.4 Eclipse: 4.2 Juno ADT: 20 ...
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How do I convert array of Objects into one Object in JavaScript?

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How to make a phone call using intent in Android?

I'm using the following code to make a call in Android but it is giving me security exception please help. 20 Answers ...
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How to get JQuery.trigger('click'); to initiate a mouse click

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Deep Learning(深度学习)学习笔记整理系列之(四) - 大数据 & AI - 清泛...

...p Learning方法,如:如果在AutoEncoder的基础上加上L1的Regularity限制(L1主要是约束每一层中的节点中大部分都要为0,只有少数不为0,这就是Sparse名字的来源),我们就可以得到Sparse AutoEncoder法。 如上图,其实就是限制每次...