| // Available variables: | |
| // - Machine | |
| // - interpret | |
| // - assign | |
| // - send | |
| // - sendParent | |
| // - spawn | |
| // - raise | |
| // - actions |
Personal notes while working through Advanced React: https://courses.reacttraining.com/p/advanced-react
Granted this is a contrived example, but it's still something I took notice to: in those "Advanced React" videos I've been watching, Ryan Florence codes very slowly, and does not make one quick change and jump back to the browser to see what changed.
He stops and thinks. He asks himself (or the viewer) questions. He wonders what
| function mapValues(obj, fn) { | |
| return Object.keys(obj).reduce((result, key) => { | |
| result[key] = fn(obj[key], key); | |
| return result; | |
| }, {}); | |
| } | |
| function pick(obj, fn) { | |
| return Object.keys(obj).reduce((result, key) => { | |
| if (fn(obj[key])) { |
| #!/usr/bin/env python | |
| # encoding: utf-8 | |
| import tweepy #https://github.com/tweepy/tweepy | |
| import csv | |
| #Twitter API credentials | |
| consumer_key = "" | |
| consumer_secret = "" | |
| access_key = "" |
| Please help compile a list of all Scala-related IRC rooms. | |
| All of these channels are on Freenode. | |
| #akka | concurrency & distribution framework | |
| #argonaut | json library | |
| #fp-in-scala | the book Functional Programming in Scala | |
| #geotrellis | geoprocessing library | |
| #indyscala | regional scala group | |
| #json4s | json library |
| #!/bin/bash | |
| #------------------------------------------------------------------------------ | |
| # Name: sbtmkdirs | |
| # Purpose: Create an SBT project directory structure with a few simple options. | |
| # Author: Alvin Alexander, http://alvinalexander.com | |
| # Info: http://alvinalexander.com/sbtmkdirs | |
| # License: Creative Commons Attribution-ShareAlike 2.5 Generic | |
| # http://creativecommons.org/licenses/by-sa/2.5/ | |
| #------------------------------------------------------------------------------ |
| # Function to calculate percentrank with a certain interval "gap" | |
| # Input: "scoreVec" is a vector of scores | |
| # "gap" is any speceficied interval | |
| # output: vector of percentrank | |
| percentrank<-function(scoreVec,gap) | |
| { | |
| scoreVec<-as.vector(scoreVec) | |
| prank<-NULL | |
| for(i in 1:length(scoreVec)) |
| library(quantmod) | |
| library(PerformanceAnalytics) | |
| library(TTR) | |
| ############################################################### | |
| ### User Input ################################################ | |
| ############################################################### | |
| getSymbols("SPY", from = "1900-01-01", to="2012-06-01") | |
| close <- SPY$SPY.Close |
| #!/bin/sh | |
| ### Make a directory to work from | |
| mkdir -p ~/dev/R-libs | |
| cd ~/dev/R-libs | |
| ### Check out source trees | |
| svn co svn://svn.r-forge.r-project.org/svnroot/zoo/pkg/zoo | |
| svn co svn://svn.r-forge.r-project.org/svnroot/xts/pkg/xts | |
| svn co svn://svn.r-forge.r-project.org/svnroot/ttr/pkg ttr |