Directory of All Posts

2024 / December

Scraping and Not Modified Responses Python web scraping status: 304 2024-12-03

2024 / November

NetNut Proxies proxy 2024-11-12

What is a Proxy? proxy 2024-11-11

Migrating from GitLab Pages to Vercel GitLab Vercel {blogdown} 2024-11-10

2024 / October

Scraping the NYSE Composite Index R web scraping trading 2024-10-25

Asset Price Data R {alpacar} 2024-10-24

Listing Alpaca Assets R {alpacar} 2024-10-21

Authenticate with Alpaca API R {alpacar}trading 2024-10-13

Earnings Calendar BASH web scraping requests Python trading 2024-10-12

Caching & Avoiding Duplication web scraping requests HTTP Python 2024-10-10

Downloading Files with Selenium web scraping Selenium Python 2024-10-05

Economic Calendar web scraping Playwright Python R trading 2024-10-02

2024 / August

Your Life in Weeks R {ggplot2} 2024-08-13

2024 / July

Bypassing Cloudflare with Cloudscraper Python web scraping Cloudflare 2024-07-20

Unpacking cURL Commands cURL R Python 2024-07-10

2024 / June

Updates to the Big Book of R R Quarto 2024-06-26

Creating Email Threads R {emayili} 2024-06-22

Release: openai-python 1.33.0 Python OpenAI LLM release 2024-06-08

Installing Docker Docker Linux Ubuntu 2024-06-05

2024 / May

Locations from Google Map Python web scraping 2024-05-26

Desert Island Docker: R Edition Docker R speaking 2024-05-23

Desert Island Docker: Python Edition Docker Python speaking 2024-05-14

2024 / April

Extract Chapter Headings from PDF PDF BASH grep awk 2024-04-29

{emayili} Support for Mailtrap {emayili}R 2024-04-23

Docker-in-Docker with GitHub Actions Docker GitHub 2024-04-21

Backtesting R quant GARCH 2024-04-21

Asset Allocation R quant GARCH 2024-04-19

Logging like a Lumberjack Python logging 2024-04-18

Parameter Constraints & Significance R quant GARCH 2024-04-16

Risk/Reward Tradeoff R quant GARCH 2024-04-15

Model Validation R quant GARCH 2024-04-14

Docker Image from Scratch Docker Alpine 2024-04-14

Parameter Significance & Parsimonious Models R quant GARCH 2024-04-13

Leverage Effect R quant GARCH 2024-04-12

Skewed Returns R quant GARCH 2024-04-11

What is a GARCH Model? R quant GARCH 2024-04-10

Rolling Volatility & Returns R quant 2024-04-09

Loading Financial Time Series R quant 2024-04-08

PyInstaller, boto3 and configparser Python 2024-04-03

2024 / March

Python Packages from GitHub Python GitHub Git 2024-03-10

Read by Frank Collier 2024-03-08

Host & Port: Where is it? Traefik 2024-03-02

What is Traefik? Traefik NGINX 2024-03-01

2024 / February

Standalone Next.js Application in Docker Docker Next.js 2024-02-23

Testing CSS & Xpath web scraping CSS XPath 2024-02-08

Parsing the DOM Gatsby React 2024-02-07

Gatsby Content from RSS Gatsby RSS Month of Gatsby 2024-02-06

Gatsby Content from MDX Gatsby TypeScript MDX Month of Gatsby 2024-02-02

Dynamic User Pages Gatsby Month of Gatsby 2024-02-01

2024 / January

Python Security Audit Git Python pre-commit 2024-01-23

ChromeDriver in GitLab CI Pipeline Selenium ChromeDriver GitLab CI 2024-01-22

Gatsby Content from Medium Medium Gatsby Month of Gatsby 2024-01-20

Gatsby, Tailwind & Docker Docker Tailwind Gatsby 2024-01-19

Next.js, Tailwind & Docker Docker Tailwind 2024-01-18

Web Scraping with Class Name Mangling web scraping 2024-01-16

.NET and MySQL in Docker .NET MySQL Docker 2024-01-15

WordPress Headless CMS Gatsby Month of Gatsby 2024-01-06

Humble Head Gatsby Month of Gatsby 2024-01-05

2023 / December

Minecraft Plugin: Discord for Voice & Text Chat plugin Ubuntu Discord Minecraft 2023-12-31

Minecraft Paper Server Ubuntu Minecraft 2023-12-30

Weekly Digest & Annual Review Keras SSH Julia Firefox Weekly Digest 2023-12-29

SSH Tunnel: Dynamic Port Forwarding SSH Linux 2023-12-19

Chrome & ChromeDriver in Docker Docker ChromeDriver Selenium 2023-12-19

Weekly Digest Weekly Digest 2023-12-15

SSH Tunnel: Remote Port Forwarding SSH Linux 2023-12-13

Middleware Redirects on Vercel middleware redirect Vercel Gatsby Month of Gatsby 2023-12-12

Minecraft Client on Ubuntu Ubuntu Minecraft 2023-12-11

Minecraft Server on Ubuntu Ubuntu Minecraft 2023-12-10

Weekly Digest LLM Docker Selenium Weekly Digest 2023-12-08

Static Redirects on Vercel Vercel Gatsby Month of Gatsby 2023-12-05

SSH Tunnel: Local Port Forwarding SSH Linux 2023-12-05

Weekly Digest Spark Keras R Vercel Weekly Digest 2023-12-01

Batch Resolving Merge Conflicts Git 2023-12-01

2023 / November

Weekly Digest CLI R Weekly Digest 2023-11-24

Externalise CSS Gatsby CSS Month of Gatsby 2023-11-20

Weekly Digest Docker Weekly Digest 2023-11-17

Gatsby on Vercel Gatsby Vercel Month of Gatsby 2023-11-15

Dynamic Routing Gatsby Month of Gatsby 2023-11-13

Weekly Digest Weekly Digest 2023-11-10

Custom 404 Page Gatsby Month of Gatsby 2023-11-09

Gatsby on Netlify Gatsby Netlify Month of Gatsby 2023-11-08

Cookies & Headers from Selenium web scraping Selenium Python 2023-11-07

Adding robots.txt to a Gatsby Site Gatsby SEO Month of Gatsby 2023-11-06

Weekly Digest AWS Docker Spark Weekly Digest 2023-11-03

Update Sitemap for Canonical Pages Gatsby SEO sitemap Month of Gatsby 2023-11-02

Add Canonical Links with Gatsby Gatsby SEO noindex Month of Gatsby 2023-11-01

2023 / October

Gatsby Site Versions Gatsby Month of Gatsby 2023-10-31

Conditional Content in AsciiDoc Gatsby AsciiDoc Month of Gatsby 2023-10-30

Weekly Digest AWS Docker CSS Weekly Digest 2023-10-27

Add Nodes & Fields to GraphQL Schema Gatsby AsciiDoc GraphQL Month of Gatsby 2023-10-27

Gatsby Page Ordering Gatsby AsciiDoc GraphQL Month of Gatsby 2023-10-25

Adding Custom Attributes to Pages in a Gatsby Site Gatsby AsciiDoc GraphQL Month of Gatsby 2023-10-24

Gatsby Redirects Gatsby Month of Gatsby 2023-10-23

Adding a Sitemap with Gatsby Gatsby SEO sitemap Month of Gatsby 2023-10-22

Gatsby Content from AsciiDoc Gatsby AsciiDoc Month of Gatsby 2023-10-14

Convert Gatsby from JavaScript to TypeScript Gatsby TypeScript Month of Gatsby 2023-10-11

Gatsby Starter Project Gatsby JavaScript Month of Gatsby 2023-10-07

2023 / September

Why Do Sports Odds Change? sports trading sports betting 2023-09-30

Undetected ChromeDriver with noVNC Docker Selenium ChromeDriver web scraping noVNC 2023-09-24

Gatsby running out of heap space Gatsby CI GitHub 2023-09-08

2023 / August

Transparency in Coverage: JSON Data JSON data: medical 2023-08-27

Unravelling Transparency in Coverage Data data: medical R jq JSON 2023-08-26

What is Transparency in Coverage Data? data: medical 2023-08-25

Mocking S3 from Python tests Python testing pytest S3 2023-08-04

2023 / July

Controlling what Alembic Autogenerates Alembic 2023-07-22

2023 / June

List of Medical Conditions web scraping 2023-06-24

Flattening Nested Schemas Marshmallow SQLAlchemy 2023-06-11

2023 / May

Hosting a GitLab Runner with Docker: Update GitLab 2023-05-30

GitLab Runner: Creating a Token GitLab 2023-05-30

Pushing to Docker Hub from GitLab CI GitLab Docker 2023-05-28

Pushing to Docker Hub from GitHub Actions GitHub Docker 2023-05-28

Kayak Specifications kayak 2023-05-25

Column Order: Inheritance & Declarative Base SQLAlchemy 2023-05-18

South Africa Real Effective Exchange Rate 2023-05-17

Using mailmap to Tidy Git Contributors Git 2023-05-01

2023 / April

Installing Gatsby Ubuntu Gatsby 2023-04-06

Developing a Gatsby Site with Docker Gatsby Docker 2023-04-04

Configuring BASH History Linux BASH 2023-04-01

2023 / March

Chrome DevTools Protocol & Selenium web scraping Selenium devtools 2023-03-11

2022 / December

Content and Message IDs email 2022-12-18

2022 / November

{emayili} Support for ZeptoMail {emayili}R 2022-11-27

AWS Workspace Client on Ubuntu 22.10 AWS Ubuntu 2022-11-02

2022 / October

Stay Below the Radar Docker Selenium ChromeDriver web scraping 2022-10-26

{pagedown} Page Size & Margins {pagedown}R 2022-10-22

Scaling Density Plots R {ggplot2}{ggridges} 2022-10-08

2022 / September

Handling Empty Paragraphs from R Markdown R Markdown HTML CSS 2022-09-29

Vertically Align Image & Text HTML CSS 2022-09-24

Enforcing Style in an R Project Git R lint pre-commit 2022-09-20

Enforcing Style in a Python Project Git Python lint pre-commit 2022-09-19

Squares & Spirals R 2022-09-18

Calculating the Fire Danger Index (FDI) R 2022-09-08

Using Shiny Server in Docker R Shiny Docker 2022-09-07

2022 / August

Postboxes & Postal Codes {blimey}R 2022-08-13

Schools in England {blimey}R 2022-08-11

Linux Packages for R R Linux 2022-08-09

Historical Weather Data weather R Python 2022-08-07

2022 / July

Persisting Data with Pickle & S3 Python S3 2022-07-28

Great Britain Railway Network spatial {blimey}R 2022-07-16

2022 / April

Interactive Brokers: Gateway Automation trading 2022-04-21

Interactive Brokers: Gateway Install & Setup trading 2022-04-20

{emayili} Encrypted Email with Mailfence GPG {emayili}R 2022-04-04

Mailfence Setup encryption email 2022-04-03

2022 / March

Pre-Registered GitLab Runner in a Container GitLab Docker 2022-03-23

Scheduling Refresh of a Materialised View PostgreSQL SQL AWS RDS 2022-03-22

Firing Up Firestore NoSQL Python Firestore Votela 2022-03-20

Making Sense of Drug Prices 2022-03-09

{emayili} Updated Gmail Authentication {emayili}R 2022-03-08

Creating Git Commits in CI Git CI GitLab GitHub 2022-03-04

2022 / February

Adding Timestamp Columns PostgreSQL SQL 2022-02-23

Pushing Docker Images to AWS ECR GitLab ECR Docker 2022-02-18

2022 / January

How to Harvest RSS Feeds RSS web scraping 2022-01-31

A Recipe for Upgrading R R 2022-01-25

{emayili} Message Templates {emayili}R 2022-01-21

{emayili} Sending Email from Shiny Shiny {emayili}R 2022-01-20

{emayili} HTML Messages with Images {emayili}R 2022-01-12

Building GPXSee spatial 2022-01-05

2021 / December

Translating QCT (Quick Chart) Map Files spatial 2021-12-30

{emayili} Sending Encrypted Email {emayili}R 2021-12-07

2021 / November

{emayili} Understanding Encrypted Email {emayili}email encryption GPG 2021-11-26

{filebin} Quick & Easy File Sharing {filebin}R 2021-11-18

{binance} P2P Trades {binance}R 2021-11-10

Shared Memory & Docker Selenium Linux Docker 2021-11-09

{binance} Spot Trading: Liquidity {binance}R 2021-11-08

Accessing Virtual Memory from a Docker Container Docker 2021-11-06

{binance} Spot Trading: Limit Orders {binance}R 2021-11-05

{binance} Spot Trading: Market Orders {binance}R 2021-11-01

2021 / October

{binance} Dealing with Dust {binance}R 2021-10-27

{binance} Tracking Total Account Balance {binance}R 2021-10-26

HCRIS Field Labels {pdftools}R 2021-10-19

{emayili} Message Threads {emayili}R 2021-10-18

{emayili} Support for Gmail, SendGrid & Mailgun {emayili}R 2021-10-15

Fathoming Email Headers email 2021-10-11

{emayili} Message Precedence {emayili}R 2021-10-06

{emayili} Message Integrity {emayili}R 2021-10-05

Working with Fairly Wide Data csvkit CSV SQL R 2021-10-04

Medusa: A Multi-Headed Tor Proxy web scraping proxy Tor 2021-10-01

2021 / September

{emayili} Right-to-Left Markdown {emayili}R 2021-09-24

{emayili} Styling Figures Markdown {emayili}R 2021-09-23

{emayili} Managing CSS Markdown {emayili}R 2021-09-22

{emayili} R Markdown Parameters Markdown {emayili}R 2021-09-20

{emayili} Rendering R Markdown Markdown {emayili}R 2021-09-17

{emayili} Rendering Plain Markdown Markdown {emayili}R 2021-09-10

{clockify} Time Tracking from R {clockify}R 2021-09-09

Setting up a Tiny HTTP Proxy AWS proxy 2021-09-08

Pre-Commit Hook for Processing README.Rmd R Git 2021-09-05

{emayili} Interpolating Message Content {emayili}R 2021-09-03

2021 / August

Websockify with Token Target Selection NGINX noVNC Websockify 2021-08-22

{emayili} Rudimentary Email Address Validation {emayili}R 2021-08-21

Old 'Hood, New 'Hood {geosphere}{ggmap}spatial R 2021-08-11

Websockify & noVNC: Adding SSL NGINX noVNC Websockify 2021-08-08

Websockify & noVNC behind an NGINX Proxy NGINX noVNC Websockify 2021-08-07

2021 / July

Creating an AMI using the AWS CLI AWS 2021-07-31

TomTom Traffic {tomtom}R 2021-07-27

TomTom Routing spatial {tomtom}R 2021-07-26

Mobility & Unrest in South Africa {saffer}{mobility}R 2021-07-24

Fixing Truncated Logs on Gitlab CI/CD GitLab CI 2021-07-24

2021 / June

SSH Tunnel from Docker SSH Docker 2021-06-25

Shiny on ECS Shiny ECS R 2021-06-24

Adding Swap Space on Ubuntu Linux 2021-06-10

Scrapy with a Rotating Tor Proxy proxy Tor Scrapy Python Docker 2021-06-09

RAM & CPU Requirements for a Selenium Crawler ECS AWS Selenium 2021-06-04

Shiny Inception: JavaScript in Rendered Markdown Shiny R 2021-06-03

2021 / May

Building an Airflow Environment in Docker Docker Airflow Ubuntu 2021-05-31

Desktop in Docker Docker Ubuntu 2021-05-30

Using {pagedown} in Docker Docker {pagedown}R 2021-05-28

AWS EC2: Setting up a Load Balancer EC2 AWS 2021-05-09

AWS EC2: Creating a Target Group EC2 AWS 2021-05-08

AWS Containers #8: Setting up a Service ECS AWS 2021-05-06

AWS EC2: Security Groups EC2 AWS 2021-05-02

2021 / April

AWS Containers #5: Health Checks ECS AWS 2021-04-28

AWS Containers #4: Dependencies ECS AWS 2021-04-28

AWS Containers #3: Image on ECR Docker ECR AWS 2021-04-27

AWS Containers #2: Defining an ECS Task Docker ECS AWS 2021-04-26

AWS Containers #1: Creating an ECS Cluster ECS AWS 2021-04-25

Selenium Crawler #3: Docker Compose Python Selenium Docker 2021-04-19

Selenium Crawler #2: Docker Bridge Network Python Selenium Docker 2021-04-18

Selenium Crawler #1: Docker Host Network Python Selenium Docker 2021-04-17

{hagr} Linnaean Classification {hagr}R 2021-04-16

{hagr} Database of Animal Ageing and Longevity {hagr}R 2021-04-12

The Easter Bunny is Cashing In {trundler}R 2021-04-03

Making the Most of Mobility R 2021-04-02

2021 / March

An Environment for Reliably Rendering Figures in R Docker R 2021-03-23

Flexible Environment Variables for a Docker Image Docker CI GitLab 2021-03-22

Install GitLab Runner with Docker Docker CI GitLab 2021-03-21

{emayili} UTF-8 Filenames & Setting Sender {emayili}R 2021-03-08

Resurrecting MySQL into PostgreSQL with PGLoader MySQL PostgreSQL Docker PGLoader 2021-03-02

2021 / February

{blogdown}: Optimise PNG Image Size {blogdown}R 2021-02-21

{emayili} Sending Birthday Messages {emayili}R 2021-02-18

Setting up postref Shortcode for Remote Blog {blogdown}Hugo R 2021-02-10

Launching Selenium with JavaScript Disabled Python Selenium web scraping 2021-02-03

Levies, Tax and the Fuel Price in South Africa {saffer}R 2021-02-01

2021 / January

This is not Rain: It's a Trickle Selenium web scraping R 2021-01-30

Persistent Selenium Sessions Python Selenium 2021-01-28

Cyril's Speeches {saffer}R 2021-01-14

Topographic Maps for South Africa R {saffer}spatial GDAL Docker 2021-01-12

Price of Fuel in South Africa {saffer}R 2021-01-10

SQLAlchemy: Efficient Counting SQLAlchemy SQL 2021-01-09

Retail Pricing: Latex Gloves {trundler}R 2021-01-06

Running History: Garmin Connect running R 2021-01-05

Retail Pricing: Nitrile Gloves {trundler}R 2021-01-04

Running History: Strava running R 2021-01-02

2020 / December

GitLab CI: Services GitLab 2020-12-30

2020 / September

Rendering an R Markdown Presentation to GitLab Pages R GitLab 2020-09-23

Scrapy Ban Policies with Rotating Proxies Scrapy 2020-09-17

Uploading CSV to MySQL MySQL 2020-09-01

2020 / August

Configuring a Development Database Docker 2020-08-30

Resizing a Volume on an EC2 Linux Instance AWS 2020-08-04

2020 / June

Shiny App in Docker with HTTP Authentication Docker Shiny NGINX R 2020-06-29

2020 / March

Retail Data: Scraping & API web scraping Python 2020-03-15

Retail Data: R Package {trundler}R 2020-03-15

2019 / December

R Package for @racently R running 2019-12-06

2019 / November

Durban EDGE DataQuest R 2019-11-13

An API for @racently R running 2019-11-12

Scraping Machinery Parts R web scraping 2019-11-11

Installing Prophet on CentOS R Linux 2019-11-04

2019 / October

Private Security and the Pareto Principle Data Science R 2019-10-16

Tweaking Linux for Pernickety Projectors Linux speaking 2019-10-12

2019 / September

MySQL Backups MySQL 2019-09-17

2019 / August

R, Docker and Checkpoint: A Route to Reproducibility R Docker 2019-08-28

2019 / July

All Roads Lead to Rome R OSRM 2019-07-28

Using Shared Memory with OSRM OSRM Linux 2019-07-26

Recreating 'Unknown Pleasures' graphic R 2019-07-15

Comrades Marathon (2019) Splits R running 2019-07-01

2019 / June

Medal Breakdown at Comrades Marathon (2019) R running 2019-06-30

Comrades Marathon (2019) Start Delay R running 2019-06-15

A Shiny Comrades Marathon Pacing App R Shiny running 2019-06-04

2019 / May

{emayili} Sending Email from R {emayili}R 2019-05-27

2019 / April

Setting up an R Admin Group R 2019-04-11

Sliding Puzzle Solvable? Python 2019-04-10

2019 / March

Integrating Qlik Sense and R R Docker 2019-03-26

2019 / February

satRday (Paris) 2019 conference 2019-02-25

2019 / January

RServe: Getting Started R 2019-01-21

Docker Images for R: r-base versus r-apt R Docker 2019-01-21

JSON Payload for POST Request R 2019-01-10

Where does .Renviron live on Citrix? R 2019-01-08

2018 / December

Survey Raking: An Illustration R survey 2018-12-26

Citrix Receiver on Ubuntu Linux Citrix 2018-12-14

Scraping the Turkey Accordion R web scraping 2018-12-12

2018 / November

RStudio & Shiny Servers with NGINX & SSL R Shiny 2018-11-14

Installing RStudio & Shiny Servers R Shiny 2018-11-13

Accessing Open Data from AWS AWS 2018-11-04

2018 / October

Embedding Dependencies into a HTML File tool speaking 2018-10-31

DNS on Ubuntu Ubuntu 2018-10-25

@pyconza (2018): Data Science and Bayes with Python Python conference 2018-10-15

2018 / September

Docker Images for Spark Docker Spark 2018-09-28

MySQL Server Replication using Binary Logs MySQL 2018-09-17

DIY VPN with Docker Docker VPN 2018-09-11

Refining an AWS IAM Policy for Flintrock Spark AWS 2018-09-08

Diagnosing RStudio Startup Issues R 2018-09-07

2018 / August

Chairing a Conference Session speaking chairing conference 2018-08-09

2018 / July

Setup for using Stan with Julia Julia 2018-07-25

Updating R on Ubuntu R 2018-07-09

2018 / May

eRum (2018) Top Twenty R conference 2018-05-18

Travelling Salesman with ggmap R 2018-05-10

2018 / April

Classification: Get the Balance Right R machine learning 2018-04-21

Workshop: Web Scraping with R Training 2018-04-12

Tips for Lightning Talks speaking R 2018-04-06

2018 / February

Restoring a Django Backup Django 2018-02-23

Installing DataGrip on Ubuntu SQL Linux 2018-02-16

SQL Server from Ubuntu SQL Linux 2018-02-05

Linux VM on Azure Azure Linux 2018-02-05

Installing rJava R Linux Docker 2018-02-05

2018 / January

Ethereum: Running a Node Ethereum 2018-01-19

Ethereum: DIY Tools for Smart Contracts Ethereum 2018-01-19

NTP: Synchronise Your Watches NTP 2018-01-11

An Ethereum Package for R Ethereum 2018-01-07

2017 / December

Moving a Running Process to screen Linux 2017-12-30

Creating an Amazon Machine Image AWS 2017-12-04

2017 / November

Using Large Maps with OSRM OSRM 2017-11-27

EC2 Missing Disk Space AWS 2017-11-23

Variable Names: Camel Case to Underscore Delimited R 2017-11-20

Analysis of Feedback from satRday [Cape Town] 2017 R satRday Conference 2017-11-15

Durban Twitter Analysis R sentiment 2017-11-10

2017 / October

Running OSRM with Docker Docker OSRM 2017-10-07

Installing NVIDIA Graphics Driver on Ubuntu Linux GPU 2017-10-07

Exporting HTML Presentations to PDF speaking 2017-10-05

2017 / September

Quick WordPress Install with Docker WordPress MySQL NGINX Docker Linux 2017-09-22

Diagnosing Killed Jobs on EC2 Linux AWS 2017-09-21

Removing Redundant Hostnames with NGINX NGINX Google Analytics 2017-09-15

Installing Docker on Ubuntu Docker Linux 2017-09-14

Creating a S3 Bucket AWS 2017-09-14

Hosting a Plumber API on AWS AWS R Plumber 2017-09-14

Creating an AWS Spot Instance AWS 2017-09-13

Building a Local OSRM Instance R OSRM 2017-09-11

Global Variables in R Packages R 2017-09-07

2017 / August

Driving AWS from the Command Line AWS 2017-08-31

Route Asymmetry in Google Maps R 2017-08-23

Retrieve Kaggle Data from the Command Line Kaggle AWS 2017-08-21

Setting Up Time Zones in MySQL MySQL Django 2017-08-20

Setting Up Time Zones in BASH BASH 2017-08-20

Adding a Volume to an Ubuntu EC2 Instance AWS 2017-08-10

Remote Desktop on an Ubuntu EC2 Instance AWS 2017-08-08

A Timeline History of R R 2017-08-05

2017 / July

Adding Users to an EC2 Ubuntu Instance AWS Linux SSH 2017-07-24

Docker: Persisting User Data Docker 2017-07-20

Deploying Jupyter on AWS using Docker Jupyter Docker AWS 2017-07-18

RStudio Environment on DigitalOcean with Docker R Docker 2017-07-11

Installing Spark on Ubuntu Linux Spark 2017-07-04

Installing Hadoop on Ubuntu Linux Hadoop 2017-07-04

Accessing PySpark from a Jupyter Notebook Jupyter Spark 2017-07-04

Increasing MySQL Packet Maximum Size MySQL 2017-07-01

2017 / June

Setting up ExpressVPN on Ubuntu Linux 2017-06-23

Setting up Jupyter with Python 3 on Ubuntu Jupyter Linux 2017-06-23

Deploying a Minimal Plumber API on DigitalOcean R 2017-06-21

RSelenium and Java Heap Space R web scraping Selenium 2017-06-09

2017 / April

Clustering Time Series Data Machine Learning 2017-04-25

Bulgaria Web Summit Conference 2017-04-16

2017 / February

Bayesian Marathon Predictions running Bayesian R 2017-02-28

Amazon is Getting Inside my Head 2017-02-26

2016 / November

Google Quick, Draw! 2016-11-17

Simple School Maths Problem 2016-11-15

2016 / October

satRday Cape Town: Call for Submissions R Conference 2016-10-26

Zeynep Tufekci: Machine intelligence and human morals Machine Learning TED Talk 2016-10-24

fast-neural-style: Real-Time Style Transfer Machine Learning 2016-10-07

Fitting a Statistical Distribution to Sampled Data R 2016-10-05

2016 / September

Python: First Steps with MongoDB MongoDB Python 2016-09-28

Chrome Developer Tools: Throttling Connection web scraping 2016-09-20

Chrome Developer Tools: View POST Data web scraping 2016-09-19

Deleting All Nodes and Relationships Neo4j 2016-09-15

Remote Access to Neo4j on Windows Neo4j 2016-09-13

Installing Neo4j on Ubuntu Neo4j Linux 2016-09-06

PLOS Subject Keywords: Association Rules R Association Rules 2016-09-01

2016 / August

ubeR: A Package for the Uber API R 2016-08-31

PLOS Subject Keywords: Gathering Data R Association Rules Collaborative Filtering 2016-08-24

Sportsbook Betting (Part 3): Evolving Odds R gambling 2016-08-23

Garmin ANT on Ubuntu Linux 2016-08-22

Anthony Goldbloom: The jobs we'll lose to machines Machine Learning TED Talk 2016-08-22

Sportsbook Betting (Part 2): Bookmakers' Odds R gambling 2016-08-10

Animated Mortality R 2016-08-09

feedeR: Reading RSS and Atom Feeds from R R 2016-08-08

Web Scraping and "invalid multibyte string" R web scraping 2016-08-02

The Nerd's Guide to Learning Everything Online TED Talk 2016-08-02

Sportsbook Betting (Part 1): Odds R gambling 2016-08-01

2016 / July

Arthur Benjamin: Teach statistics before calculus! TED Talk teaching 2016-07-29

Building a Life Table R 2016-07-28

Calculating Pi using Buffon's Needle R 2016-07-26

Conrad Wolfram: Teaching kids real math with computers TED Talk teaching 2016-07-25

Mortality by Year and Age R 2016-07-22

Life Expectancy by Country R 2016-07-20

Mortality Rate by Age R 2016-07-19

Escalating Life Expectancy R 2016-07-18

Birth Month by Gender R 2016-07-16

Most Probable Birth Month R 2016-07-15

Streaming from zip to bz2 Linux 2016-07-08

Major League Baseball Birth Months R 2016-07-05

2016 / May

satRday in Cape Town R 2016-05-26

R Saturday [satRday] in Cape Town R 2016-05-12

2016 / April

The Next Rembrandt Machine Learning 2016-04-06

2016 / March

International Open Data Day R 2016-03-05

2016 / February

R, HDF5 Data and Lightning R 2016-02-23

Ira Glass on the Creative Process 2016-02-12

Automating R scripts under Windows R 2016-02-11

flipsideR: Support for ASX Option Chain Data R 2016-02-08

2016 / January

Kaggle: Santa's Stolen Sleigh R 2016-01-22

Lawyers and Politics visualisation 2016-01-20

Casting a Wide (and Sparse) Matrix in R R 2016-01-19

Kaggle: Walmart Trip Type Classification R 2016-01-15

MongoDB: Installing on Windows 7 MongoDB 2016-01-13

Mastering Python Scientific Computing Python book review 2016-01-11

Review: Learning Shiny R Shiny 2016-01-05

2015 / December

Using Checksum to Guess Message Length: Not a Good Idea! R 2015-12-22

Making Sense of Logarithmic Loss R 2015-12-14

Installing XGBoost on Ubuntu R Python 2015-12-09

2015 Data Science Salary Survey R 2015-12-04

2015 / November

Evolution of First Names: Unisex Names and Nicknames 2015-11-23

Evolution of First Names: Fashionable and Popular Names 2015-11-16

Graph from Sparse Adjacency Matrix R 2015-11-12

First Names Evolution: Changes over Last Century 2015-11-09

LIBOR and Bond Yields R 2015-11-06

Guy Kawasaki on Personal Branding 2015-11-03

2015 / October

Day 38: Imaging Julia Month of Julia 2015-10-30

Day 37: Fourier Techniques Julia FTT Month of Julia 2015-10-26

Day 36: Markdown Julia Month of Julia 2015-10-19

Beautiful Data Python R book review 2015-10-15

Day 35: Mapping Julia Month of Julia 2015-10-15

Day 34: Networking Julia Month of Julia 2015-10-13

Installing LightTable and Juno on Ubuntu Julia 2015-10-12

Day 33: Evolutionary Algorithms Julia Month of Julia 2015-10-12

Day 32: Classification Julia Month of Julia 2015-10-09

Day 31: Regression Julia Month of Julia 2015-10-08

Day 30: Clustering Julia Month of Julia 2015-10-07

Data Mining with Rattle and R R Machine Learning book review 2015-10-07

Day 29: Distances Julia Month of Julia 2015-10-06

Day 28: Hypothesis Tests Julia Month of Julia 2015-10-05

Day 27: Distributions Julia Month of Julia 2015-10-02

Day 26: Statistics Julia Month of Julia 2015-10-01

2015 / September

Day 25: Interfacing with Other Languages Julia R Python Month of Julia 2015-09-30

Day 24: Graphs Julia Month of Julia 2015-09-29

Day 23: Data Structures Julia Month of Julia 2015-09-28

Day 22: Optimisation Julia Month of Julia 2015-09-25

Day 21: Differential Equations Julia Month of Julia 2015-09-24

Day 20: Calculus Julia Month of Julia 2015-09-23

Day 19: Units of Measurement Julia Month of Julia 2015-09-22

Day 18: Plotting Julia Month of Julia 2015-09-21

PhysicalConstants.jl: Julia Package of Physical Constants Julia 2015-09-21

Day 17: Datasets from R Julia R Month of Julia 2015-09-18

Day 16: Databases Julia Month of Julia 2015-09-17

Setting up ODBC for SQLite on Ubuntu Linux SQLite 2015-09-17

Day 15: Time Series Julia Month of Julia 2015-09-16

Day 14: DataFrames & DataArrays Julia Month of Julia 2015-09-15

urlshorteneR: A package for shortening URLs R 2015-09-14

Day 13: Packages Julia Month of Julia 2015-09-14

Day 12: Parallel Processing Julia Month of Julia 2015-09-11

Day 11: Metaprogramming Julia Month of Julia 2015-09-10

A ggplot2 oddity R 2015-09-10

Day 10: Modules Julia Month of Julia 2015-09-09

Day 9: Input/Output Julia Month of Julia 2015-09-08

Day 8: Iteration, Conditionals and Exceptions Julia Month of Julia 2015-09-07

Day 7: Functional Programming Julia Month of Julia 2015-09-06

Day 6: Composite Types Julia Month of Julia 2015-09-05

Day 5: Collections Julia Month of Julia 2015-09-04

Day 4: Functions Julia Month of Julia 2015-09-03

Day 3: Variables and Data Types Julia Month of Julia 2015-09-02

Searching Database for Column Names SQL 2015-09-01

Day 2: Development Environments Julia Month of Julia 2015-09-01

2015 / August

Day 1: Installation and Orientation Julia Month of Julia 2015-08-31

2015 / July

Shiny Bayesian Updates R Bayesian Shiny 2015-07-24

Lightning on your Twitter Feed 2015-07-13

Constructing a Word Cloud for ICML 2015 Conference 2015-07-10

ICML 2015 (Lille, France): Day 5 (Workshops) Conference 2015-07-10

ICML 2015 (Lille, France): Day 4 Conference 2015-07-10

ICML 2015 (Lille, France): Day 3 Conference 2015-07-08

ICML 2015 (Lille, France): Day 2 Conference 2015-07-08

ICML 2015 (Lille, France): Day 1 (Tutorials) Conference 2015-07-07

Machine Learning with R Cookbook R Machine Learning book review 2015-07-03

Flashes from the Ashes: Volcanic Lightning 2015-07-03

2015 / June

Excel: Copying with Relative Links Excel 2015-06-26

Disney: Quality over Quantity 2015-06-15

R Recipe: RStudio and UNC Paths R 2015-06-04

2015 / May

Hosting Shiny on Amazon EC2 R AWS Shiny 2015-05-30

Comrades Marathon Medal Predictions R running Shiny 2015-05-28

R Recipe: Aligning Axes in ggplot2 R 2015-05-27

R Recipe: Reordering Columns in a Flexible Way R 2015-05-16

Recent Common Ancestors: Simple Model R 2015-05-15

R Recipe: Making a Chord Diagram 2015-05-09

2015 / April

Comrades Marathon Finish Predictions R running 2015-04-23

Comrades Runners Disqualified: I'm Not Convinced running 2015-04-16

Encyclopaedia: Meteorites in Antarctica 2015-04-13

A Sankey Plot with Uniform Coloured Edges R 2015-04-07

Encyclopaedia: Discovery Expedition 2015-04-06

Bags, Balls and the Hypergeometric Distribution R 2015-04-03

Comrades Marathon Pacing Chart: Up Run Excel running 2015-04-01

The Price of Fuel: How Bad Could It Get? R 2015-04-01

2015 / March

Encyclopaedia: Geospace 2015-03-30

Encyclopaedia: Scottish National Antarctic Expedition 2015-03-23

Encyclopaedia: SANAE IV 2015-03-16

Dealing with a Byte Order Mark (BOM) R 2015-03-11

2015 / February

Graph Databases Neo4j book review 2015-02-09

2015 / January

R for Business Analytics R book review 2015-01-28

Downloading Options Data in R: An Update R trading options 2015-01-14

2014 / December

Simulating Intricate Branching Patterns with DLA R 2014-12-16

2014 / November

Rosetta's Rendezvous with Comet 67P 2014-11-13

Creating More Effective Graphs R 2014-11-04

2014 / October

Standard Bank: Striving for Mediocrity 2014-10-07

2014 / August

Plotting Flows with {riverplot} R 2014-08-14

Commitments of Traders: Moves in the Last Week R 2014-08-09

2014 / July

Whistlers and Volcanic Lightning 2014-07-30

Comrades Marathon: A Race for Geriatrics? R running 2014-07-22

Where to Put EAs and Indicators in New MT4 Builds 2014-07-20

Comrades Marathon Negative Splits: Cheat Strikes Again running 2014-07-16

2014 / June

Twins, Tripods and Phantoms at the Comrades Marathon R running 2014-06-12

Concatenating a list of data frames R 2014-06-06

2014 / May

Comrades Marathon Pacing Chart: Down Run Excel running 2014-05-28

What Can We Learn from the Commitments of Traders Report? 2014-05-21

Race Statistics for Comrades Novices: Corrigendum R running 2014-05-17

Race Statistics for Comrades Marathon Novice Runners R running 2014-05-16

Hazardous & Benign Objects: Solar-Ecliptic Orbits R 2014-05-12

Comrades Marathon Negative Splits: The Plot Thickens R running 2014-05-10

Hazardous & Benign Objects: Kepler's Equation R 2014-05-08

Comrades Marathon: Negative Splits and Cheating R running 2014-05-06

2014 / April

Hazardous & Benign Objects: Getting the Data R 2014-04-28

R Interface to Myfxbook R 2014-04-17

Earthquakes: Land / Ocean Distribution R 2014-04-13

Largest Volcanoes & Other Statistics R 2014-04-11

Earthquakes: Magnitude / Depth Chart R 2014-04-07

Daylight Saving Effect on Financial Indices R 2014-04-01

2014 / March

Filtering Data with L1 Regularisation R regularisation 2014-03-27

Filtering Data with L2 Regularisation R regularisation 2014-03-25

2014 / January

How Long to Conceive? R 2014-01-12

2013 / December

Processing EXIF Data R 2013-12-16

Updated Comrades Winners Chart running 2013-12-14

Contour and Density Layers with ggmap R 2013-12-14

2013 / November

Amy Cuddy: Your body language shapes who you are TED Talk 2013-11-27

Deriving a Priority Queue from a Plain Vanilla Queue R 2013-11-26

Implementing a Queue as a Reference Class R 2013-11-24

Iterators in R R 2013-11-14

Introduction to Fractals R 2013-11-04

Percolation Threshold: Including Next-Nearest Neighbours R 2013-11-01

2013 / October

Percolation Threshold on a Square Lattice R 2013-10-30

Plotting Times of Discrete Events R 2013-10-19

Mounting a sshfs volume via the crontab Linux 2013-10-06

Top 250 Movies at IMDb R web scraping 2013-10-03

2013 / September

Flushing Live MetaTrader Logs to Disk 2013-09-18

Clustering the Words of William Shakespeare R 2013-09-10

MetaTrader Time Zones 2013-09-09

Text Mining the Complete Works of William Shakespeare R 2013-09-05

2013 / August

Presenting Conformance Statistics R 2013-08-27

The Wonders of {foreach} R {foreach} 2013-08-25

Fitting a Model by Maximum Likelihood R 2013-08-18

Correlations with Uncertainty: Classical Solution R 2013-08-13

Correlations with Uncertainty: Bootstrap Solution R 2013-08-11

Finding Your MetaTrader Log Files 2013-08-08

2013 / July

A Chart of Recent Comrades Marathon Winners R running 2013-07-30

Comrades Marathon Inference Trees R running 2013-07-19

Optimising a Noisy Objective Function R 2013-07-16

2013 / June

Compiling Indicators and Expert Advisors MetaTrader 2013-06-25

Are Green Number Runners More Likely to Bail? R running 2013-06-22

The Green Number Effect R running 2013-06-18

Age Distribution of Comrades Marathon Athletes R running 2013-06-18

Medal Allocations at the Comrades Marathon R running 2013-06-09

Comrades Marathon Attrition Rate R 2013-06-07

2013 / May

Analysis of Cable Morning Trade Strategy R 2013-05-29

Balanced Data with {MatchIt} R 2013-05-23

xkcd Style Bubble Plot R 2013-05-23

Swing Alert Indicator 2013-05-23

Package {party}: Conditional Inference Trees R {party} 2013-05-21

Plotting categorical variables R 2013-05-20

Plotting numerical variables R 2013-05-18

Descriptive Statistics R 2013-05-18

Categorical Variables R 2013-05-12

Loading Data from a Tab Delimited File R 2013-05-12

Support & Resistance Indicator 2013-05-06

2013 / April

Locations of Geosynchronous Satellites R 2013-04-16