Marcel's notes

Hi folks! I'm Marcel. Below you can find a list of all blog posts organized by category. I'm also working on a book, but it's quite a work in progress. If you'd like to get updates about new posts, you can subscribe via email or RSS.

Most recent 10 articles

Mar 29, 2023		Deadlifting 201kg: some recent learnings
Mar 21, 2022		More control with idempotency
Mar 09, 2022		Tackling confusion with spreadsheet tables
Sep 07, 2021		Taking care of people
Aug 20, 2021		EC2 Application Load Balancer: Identifying clients by user-agents
Aug 17, 2021		Determining total AWS cost of a system using tags
Aug 16, 2021		Passing a secret value to AWS Lambda
Aug 09, 2021		Functional programming: driving team adoption
Aug 03, 2021		AWS Athena: Adding yyyy/mm/dd partitions to an S3 table
Aug 02, 2021		PostgreSQL vs Aurora PostgreSQL vs Aurora PostgreSQL Serverless

And here are all posts by category:

writing software

Mar, 2022		More control with idempotency
Aug, 2021		Functional programming: driving team adoption
Jul, 2021		Lessons-learned from a 6-month Typescript/AWS Lambda project
Jul, 2021		Business metrics for system maintenance
Apr, 2021		Getting started with functional programming in Typescript
Mar, 2021		Testing asynchronous systems
Feb, 2021		Making hard decisions later
Sep, 2016	★	Resist the quench for coding

writing readable code

Jan, 2021		The curious case of if-not
Jan, 2021		Honest function inputs
Jan, 2021	★	Coding and writing are alike
Jan, 2021	★	What is complexity?
Jan, 2021		Clean code: can we learn from altruism & evolution?
Jan, 2021	★	Does your codebase feel easier to sustain each year?
Dec, 2020		Adding domain knowledge to code comments

project coordination / engineering strategy

Mar, 2022		Tackling confusion with spreadsheet tables
Jan, 2021		Embarrassingly simple proof of concepts
Jan, 2021		Everyday decision making & architectural vision
Jan, 2021		To buy or to build?
Aug, 2018		On software tooling
Jul, 2018		Which problem would that solve?
Mar, 2017		Supercharge your team
Oct, 2016		Strive for focus & simplicity

dev tools

Mar, 2021		Generating tax reports with Python, Jinja, and Click
Feb, 2021		Shell scripts vs. Python/Javascript scripts
Feb, 2021		I'm glad for using 1Password
Feb, 2021		Tracking hours with Clockify, fzf, jq and awk
Dec, 2020		Managing dotfiles with a bare git repo

productivity

Apr, 2021		Building cathedrals
Jan, 2021		The spirit of kaizen
Jul, 2018		Which task do you resent the most today?

working with others / communication

Sep, 2021		Taking care of people
Mar, 2021		Contractor didn't deliver: how to resolve?
Feb, 2021	★	Resolving conflicts peacefully and powerfully
Sep, 2018		Taking things personally

aws

Aug, 2021		EC2 Application Load Balancer: Identifying clients by user-agents
Aug, 2021		Determining total AWS cost of a system using tags
Aug, 2021		AWS Athena: Adding yyyy/mm/dd partitions to an S3 table
Aug, 2021		PostgreSQL vs Aurora PostgreSQL vs Aurora PostgreSQL Serverless
Jul, 2021		Seting up AWS for test/acc/prod environments
Jul, 2021		AWS QuickSight: Adding an IAM user
Jul, 2021		Business intelligence for AWS S3 data
May, 2021		Reading AWS CloudWatch logs with CLI and fzf
Mar, 2021		Tracking AWS Lambda errors with Sentry (and CloudFormation)
Mar, 2021		DynamoDB: key technical concepts & features
Dec, 2020		Connecting to AWS API Gateway with HTTP

aws cloudformation

Aug, 2021		Passing a secret value to AWS Lambda
May, 2021		Parameterize AWS Lambda with SSM Param Store
Mar, 2021		Defining resources conditionally based on environment

writing / blogging / drawing

Apr, 2021		Adding changelogs to blog posts
Mar, 2021		Changelog of this blog (meta)
Jan, 2021		Preparing a lemon pie: visualization
Jan, 2021		We think in conceptual metaphors
Jan, 2021		Exploring my writing: The subjects of sentences
Dec, 2020		Exploring my writing: Hedging
Dec, 2020		Drawings for technical explanations: my first steps

talks

Nov, 2017

From a model to production: Software-engineering best-practices

data-engineering / big data

Feb, 2021		Building bi-directional sync between two system
Sep, 2018		Tips on building a data analytics warehouse
Aug, 2018		Why Docker for Data Scientists
Nov, 2017		Should you hire a data engineer instead of a data scientist?
Oct, 2016		Transition your career to big data
May, 2015		How a newline can ruin your Hive
Apr, 2015		How to ingest data from Azure DataMarket into Hadoop
Jan, 2015		Introduction to Apache Zookeeper, backbone of big-data systems
Aug, 2014		Analyzing Elastic MapReduce data with Python, Pandas and scikit-learn
Jul, 2014		Detecting random text in web registration forms

gym

Mar, 2023

Deadlifting 201kg: some recent learnings