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What should I use Android AccountManager for?
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Vim: Creating parent directories on save
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edited Sep 28 '12 at 12:44
answered Nov 27 '10 at 22:08
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Rails 4: assets not loading in production
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In rails 4 you need to make the changes below:
config.assets.compile = true
config.assets.precompile = ['*.js', '*.css', '*.css.erb']
This works with me. use following command to pre-compile assets
RAILS_ENV=production bundle ex...
Subset of rows containing NA (missing) values in a chosen column of a data frame
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147
Never use =='NA' to test for missing values. Use is.na() instead. This should do it:
new_DF &l...
In Visual Studio C++, what are the memory allocation representations?
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edited Aug 12 '17 at 14:51
rustyx
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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
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edited Mar 29 '17 at 20:42
Dave Jarvis
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a...
Combine two data frames by rows (rbind) when they have different sets of columns
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234
rbind.fill from the package plyr might be what you are looking for.
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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
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How to pass an object into a state using UI-router?
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Ryan Langton
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answered Apr 22 '15 at 8:38
stackOverlordstackOve...
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
...个数据表 Collection1 存储了 1T 数据，压力太大了！在分给4个机器后，每个机器都是256G，则分摊了集中在一台机器的压力。也许有人问一台机器硬盘加大一点不就可以了，为什么要分给四台机器呢？不要光想到存储空间，实际运...