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Eclipse HotKey: how to switch between tabs?
...thers Short Cuts
Link : http://www.shortcutworld.com/en/win/Eclipse.html
Pdf : http://eclipse-tools.sourceforge.net/Keyboard_shortcuts_%283.0%29.pdf
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推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
推荐系统算法初探最近因为PAC平台自动化的需求，开始探坑推荐系统。这个乍一听去乐趣无穷的课题，对于算法大神们来说是这样的：而对于刚接触这个领域的我来...最近因为PAC平台自动化的需求，开始探坑推荐系统。这个乍一...
What's the status of multicore programming in Haskell?
...el Haskell
Google published their experience report on the use of Haskell (PDF)
Intel announced the Concurrent Collections for Haskell library, including scalability numbers -- scaling results for 32 and 48 cores
Sun/Oracle bought us a machine and funded work on improving parallel performance.
Recen...
How to fix the aspect ratio in ggplot?
...unding box.
(I also suggest you use ggsave to save your resulting plot to pdf/png/etc, rather than the pdf(); print(p); dev.off() sequence.)
library(ggplot2)
df <- data.frame(
x = runif(100, 0, 5),
y = runif(100, 0, 5))
ggplot(df, aes(x=x, y=y)) + geom_point() + coord_fixed()
...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
...er guesses:
likelihood_of_red = stats.norm(red_mean_guess, red_std_guess).pdf(both_colours)
likelihood_of_blue = stats.norm(blue_mean_guess, blue_std_guess).pdf(both_colours)
Here, we have simply put each data point into the probability density function for a normal distribution using our current...
Folder structure for a Node.js project
...ets, client-side JavaScript)
/assets/images contains image files
/assets/pdf contains static pdf files
/css contains style sheets (or compiled output by a css engine)
/js contains client side JavaScript
/controllers contain all your express routes, separated by module/area of your application (no...
What is the “assert” function?
...ndard draft
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf
19.3 Assertions
1 The header <cassert>, described in (Table 42), provides a macro for documenting C ++ program assertions
and a mechanism for disabling the assertion checks.
2 The contents are the same a...
How do I put two increment statements in a C++ 'for' loop?
... Ok. From open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2857.pdf section 6.5.3 the last part is an "expression". (Although 1.6 #2 defines an "expression-list" as a "list of expressions separated by commas", this construct does not appear in 6.5.3.). This means that when we write "++i,+...
Why are C character literals ints instead of chars?
..."high level assembler".
(See 6.3.3 on page 6-25 of http://www.dmv.net/dec/pdf/macro.pdf)
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泰迪熊为什么叫泰迪 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...迎。玩具熊后来成为妇孺皆爱的玩具，各个玩具厂家纷纷开始制造玩具熊，形象从写实型慢慢发展为如今各种萌呆呆的样子，teddy bear 也成为了所有玩具熊的代名词。
故事至此已经基本明了了，泰迪熊的名字来源于罗斯福的昵...