change R version
link is from default R adress: $which R /usr/bin/R it can be Force R Studio use the specific version: export RSTUDIO_WHICH_R=/usr/local/bin/R
Conny Gu
The easiest way to update nodejs and npm
Linux: sudo npm cache clean -f sudo npm install -g n sudo n stable Windows: Methode 1: 1. Dowload and install the latest version of node.js 2. go the directory: C:\Program Files\nodejs npm install -g npm@latest Methode 2: 1. install…
Highlights of the new RStudio releases
The new release of R Studio got many improvement. As I read them, I was very so excited about the new functions. Here are highlights for me. Data can be filtered, searched, and sorted Execute R code from the Source…
My Git learning notes
Git Basic Git Help $ git help $ git help config Setting up git $ git config –global user.name “xxx” $ git config –global user.email “xxx@xxx.com” $ git config –global color.ui true Starting a Repo $ git init Work flow:…
sublime text 2 build configuration
Sublime is a great editor, it can deal with nearly all programming languages and expecially fit for web developer. I tried the sublime for Python. For beginner, you should do the following settings: Install the package control usage: ctrl+shift+p ->…
Configure Git for RStudio
There is an article from RStudio explained how to configure Git for RStudio. But it is not very detailed. I ran into many problem during the configuration and wasted a lot of time just for configuration. So I decided to…
Animating a point walking flow with python
Using the SimpleGUICS2Pygame can animate the walking path easily. (The SimpleGUICS2Pygame is a implementation of simplegui.) I wrote an small code for the simulation in codeskulptor, you can run it directly and see the effect: But you need to install and…