- No authority
- Official reference is writing r extentions (joke extentions)
- If you thought writing regular r packages was tricky, hold on
Jeroen Ooms jeroen
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| # syntax=docker/dockerfile:1.3-labs | |
| FROM fedora:36 | |
| COPY <<EOF test.cpp | |
| #include <libplatform/libplatform.h> | |
| #include <v8.h> | |
| using namespace v8; | |
| int main(){ | |
| std::unique_ptr<Platform> platform = platform::NewDefaultPlatform(); |
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| # https://twitter.com/henrikbengtsson/status/1583520708470067201 | |
| library(shiny) | |
| library(sortable) | |
| library(pdftools) | |
| library(magick) | |
| # The file to manipulate | |
| pdffile <- tempfile(fileext = '.pdf') | |
| download.file('https://www.uscis.gov/sites/default/files/document/forms/i-9-paper-version.pdf', pdffile) |
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| #!/bin/bash | |
| IPADDR="" | |
| if [ -f /usr/bin/ec2metadata ] | |
| then | |
| IPADDR=`timeout 1 ec2metadata --public-hostname` | |
| fi | |
| if [ "$IPADDR" = "" ] | |
| then |
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| <!DOCTYPE html><html><head><title>R: Display math in R documentation</title> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" /> | |
| <link href="/doc/html/prism.css" rel="stylesheet" /> | |
| <link rel="stylesheet" href="/doc/html/katex/katex.css"> | |
| <script type="text/javascript" src="/doc/html/katex-config.js"></script> | |
| <script defer src="/doc/html/katex/katex.js" | |
| onload="processMathHTML();"></script> | |
| <link rel="stylesheet" type="text/css" href="/doc/html/R.css" /> | |
| </head><body><div class="container"> |
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| ctx <- V8::v8() | |
| ctx$source('https://cdn.jsdelivr.net/npm/katex@0.16.0/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
/ Dockerfile
Created
May 16, 2022 12:01
Package build errors with parallel make on Ubuntu 18.04
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| 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 $(lsb_release -cs)-cran40/" && \ | |
| apt-get update && \ |
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| input <- jsonlite::fromJSON('https://www.googleapis.com/robot/v1/metadata/x509/securetoken@system.gserviceaccount.com') | |
| certs = lapply(input, openssl::read_cert) | |
| certs[[1]]$pubkey | |
| certs[[2]]$pubkey |
jeroen
/ math.Rmd
Last active
September 14, 2021 17:45
Test Rmd math server-side, borrowed from https://rpruim.github.io/s341/S19/from-class/MathinRmd.html
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| --- | |
| 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} |
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| 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' ... |