jeroen

ctx <- V8::v8()
ctx$source('https://cdn.jsdelivr.net/npm/[email protected]/dist/katex.min.js')
ctx$eval('function validate(s){var out = {result: "ok", warnings:[]}; try{console.warn=function(w){out.warnings.push(w);};katex.renderToString(s)} catch (e) {out.result = e.name; out.position = e.position; out.message = e.message}; return out;}')

# Parsing error
ctx$call('validate', "E(y) = \\boldmath{\\mu}")

# OK but with warnings:
ctx$call('validate', "s*ₓᵢ = sₓᵢ √(VIFₓᵢ⁻¹) √((n-1)/(n-p))")

jeroen

FROM ubuntu:bionic

ENV DEBIAN_FRONTEND noninteractive

RUN \
    apt-get update && \
    apt-get install -y curl software-properties-common && \
    curl https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | tee -a /etc/apt/trusted.gpg.d/cran_ubuntu_key.asc && \
    add-apt-repository "deb https://cloud.r-project.org/bin/linux/ubuntu $(lsb_release -cs)-cran40/" && \
    apt-get update && \

jeroen

#VERSION=v8.17.0
VERSION=v10.24.1
PATH=/opt/csw/bin:$PATH
export CC="gcc"
export CXX="g++"
curl -OL "https://nodejs.org/download/release/${VERSION}/node-${VERSION}.tar.gz"
gunzip node-${VERSION}.tar.gz
rm -Rf node-${VERSION}
gtar xf node-${VERSION}.tar
cd node-${VERSION}

jeroen

input <- jsonlite::fromJSON('https://www.googleapis.com/robot/v1/metadata/x509/[email protected]')
certs = lapply(input, openssl::read_cert)
certs[[1]]$pubkey
certs[[2]]$pubkey

jeroen

---
title: "Rending math to HTML in R using katex"
output: 
  html_document:
    katex: true
    self_contained: false
vignette: >
  %\VignetteIndexEntry{Rending math to HTML in R using katex}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}

jeroen

Running `R CMD build`...
* checking for file 'C:\Users\jeroen\AppData\Local\Temp\2\RtmpERT2kg\remotesa2c787f773d\jeroen-arrow-b52f493/DESCRIPTION' ... OK
* preparing 'arrow':
* checking DESCRIPTION meta-information ... OK
* cleaning src
* checking vignette meta-information ... OK
* checking for LF line-endings in source and make files and shell scripts
* checking for empty or unneeded directories
* building 'arrow_5.0.0.tar.gz'
* installing *source* package 'arrow' ...

jeroen

> install.packages("arrow", type = 'source')
--- Please select a CRAN mirror for use in this session ---
trying URL 'https://cloud.r-project.org/src/contrib/arrow_5.0.0.tar.gz'
Content length 463913 bytes (453 KB)
downloaded 453 KB

* installing *source* package 'arrow' ...
** package 'arrow' successfully unpacked and MD5 sums checked
** using staged installation
*** Writing Makevars.win

jeroen

---
title: "Testing rOpenSci katex"
author: "Jesus M. Castagnetto, Jeroen Ooms"
date: "2021-07-12"
output: 
  html_document:
    mathjax: null
---

```{r setup, include=FALSE}

jeroen

# Note: CSV parses are NOT DIRECTLY COMPARABLE.
#  - data.table does not parse dates, it just gives strings.
#  - data.table is only fast when OpenMP is supported, i.e. not on MacOS.
#  - vroom takes advantage of altrep, which defers some parsing.
#  - arrow takes advantage of hardware extensions if available.
#  - results will be different if you specify the types of the columns.
library(vroom)
library(arrow)
library(data.table)
library(readr)

jeroen

Process:               R [4618]
Path:                  /Library/Frameworks/R.framework/Versions/4.0/Resources/bin/exec/R
Identifier:            R
Version:               0
Code Type:             X86-64 (Translated)
Parent Process:        ??? [4615]
Responsible:           iTerm2 [2491]
User ID:               501

Date/Time:             2021-01-07 01:41:16.699 +0100