tengpeng’s gists

tengpeng / .vimrc for C

Created March 22, 2014 11:59

	" VIM Configuration File
	" Description: Optimized for C/C++ development, but useful also for other things.
	" Author: Gerhard Gappmeier

	set nocompatible " be iMproved, required
	filetype off " required

	" set the runtime path to include Vundle and initialize
	set rtp+=~/.vim/bundle/vundle/
	call vundle#rc()

tengpeng / gist:ccd5b194a304c8942171

Created June 20, 2014 03:08

红帽携手eNovance，共进OpenStack市场

	红帽携手eNovance，共进OpenStack市场
	================================================================================
	![](http://farm4.static.flickr.com/3108/3191608123_67e1da2b79_o.jpg)

	正在OpenStack峰会于亚特兰大举办的同时,红帽确认了数项与OpenStack相关的项目。其中一项是，红帽正与开源云计算市场的领导者eNovance进行 [合作][1] 。双方将推动网络功能虚拟（Network Functions Virtualization）和电信功能融入OpenStack. 红帽 [宣布][2] 将以七千万欧元或九千五百万美金的现金和股票，购买eNovance.

	eNovance 是OpenStack市场上重要的角色，特别以其和电信公司的合作而为人所知。eNovance帮助服务提供商和大型私企搭建部署云基础架构，快速且成本低廉。这也将为红帽开创新的产品线。

	IDC 分析员 Laura DuBois and Ashish Nadkarni 在2014春季OpenStack 峰会上指出 “像eNovance这样的集成商将继续助力云服务提供商和企业，建立OpenStack云。OpenStack的前景开起来十分光明。"

tengpeng / Setup New Mac by Brew and Cask

Last active October 31, 2016 15:40

Setup New Mac by Brew and Cask

	sudo passwd pt

	ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
	brew doctor
	brew tap caskroom/cask

	#brew install wget
	brew install htop
	#brew install zsh
	#brew install aria2

tengpeng / gist:61c881978d77f459b732

Last active August 29, 2015 14:07

Setup New Ubuntu

	sudo apt-get update
	sudo apt-get install htop -y
	sudo apt-get install texlive-full -y
	sudo apt-get install gummi -y
	sudo apt-get install git -y

	git config --global user.name ""
	git config --global user.email ""

tengpeng / k-fold CV.r

Last active November 20, 2016 15:56 — forked from bhoung/k-fold CV.r

	# original example from Digg Data website (Takashi J. OZAKI, Ph. D.)
	# http://diggdata.in/post/58333540883/k-fold-cross-validation-in-r


	library(plyr)
	library(randomForest)

	data <- iris

	# in this cross validation example, we use the iris data set to

tengpeng / AWS AMI setup

Created January 25, 2015 21:18

	sudo yum update -y
	sudo yum install htop -y
	sudo yum install R -y
	sudo yum install openssl098e # Required only for RedHat/CentOS 6 and 7
	wget http://download2.rstudio.org/rstudio-server-0.98.1091-x86_64.rpm
	sudo yum install --nogpgcheck rstudio-server-0.98.1091-x86_64.rpm

tengpeng / gist:9d326aed843cb10dbeda

Created January 31, 2015 21:30

Uninstall Rev R on Mac OS

	cd /Applications
	sudo rm -rf "Revolution R Open".app
	cd /Library/Frameworks
	sudo rm -rf R.framework
	sudo rm /usr/bin/R
	sudo rm /usr/bin/Rscript

tengpeng / gist:bbbfcd16a6dc4446c665

Created February 1, 2015 05:36

Cal mean by factor in R

aggregate(FruitFlies$Longevity, list(FruitFlies$Treatment), mean)

tengpeng / gist:b2914f81694111750c72

Created February 9, 2015 04:44

Merge multicolumns of a data into one column in R

matrix(cbind(pig1[,1:4], ncol=1))

tengpeng / gist:28139ec2a7fcba65017a

Created February 9, 2015 04:58

R: generate a repeating sequence based on vector

	rep(c(1:4), each = 10)
	[1] 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4

	http://stackoverflow.com/questions/3672527/r-generate-a-repeating-sequence-based-on-vector

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