Gábor Csárdi gaborcsardi

I hereby claim:

To claim this, I am signing this object:

	---
	title: "Some new features in processx and callr"
	output: html_notebook
	---

	# Better errors in processx, callr, gh

	## Better errors from C

	```{r error = TRUE}

	---
	title: "Overview of Tools for External (R) Processes"
	output:
	html_document:
	df_print: paged
	---

	## processx - run external processes

	```{r}

	// Check if a slave has < 10 GB of free space, wipe out workspaces if it does

	import hudson.model.*;
	import hudson.util.*;
	import jenkins.model.*;
	import hudson.FilePath.FileCallable;
	import hudson.slaves.OfflineCause;
	import hudson.node_monitors.*;

	---
	title: Examples for the async package
	output:
	html_document:
	keep_md: yes
	---

	There is not too much text here, sorry. Please just read the code. :)

	```{r}


	library(R6)
	library(methods)
	library(microbenchmark)

	make_class4 <- function() {
	cl <- setClass("num_with_id", slots = c(id = "character"),
	contains = "numeric")
	setGeneric("getId", function(x) stop("Not implemented"))
	setMethod("getId", c("num_with_id"), function(x) x@id)


	library(jsonlite)

	## Download
	pkgs <- fromJSON("http://crandb.r-pkg.org/-/events")

	## Filter
	na_pkgs <- unique(pkgs$name[ is.na(pkgs$date) ])
	events <- pkgs[ ! pkgs$name %in% na_pkgs, c("date", "name", "event")]

	root@rhub:~# dokku --trace rabbitmq:expose rhub 5672 4369 35197 15672
	+ [[ -f /home/dokku/dokkurc ]]
	+ [[ -d /home/dokku/.dokkurc ]]
	+ for f in '$DOKKU_ROOT/.dokkurc/*'
	+ source /home/dokku/.dokkurc/DOKKU_EVENTS
	++ export DOKKU_EVENTS=1
	++ DOKKU_EVENTS=1
	+ [[ -n 1 ]]
	+ set -x
	+ parse_args rabbitmq:expose rhub 5672 4369 35197 15672

	# Download the package from CRAN and install it automatically
	install.packages("igraph")

	# Load the package
	library(igraph)