2022

May

• Researching weight scales - hardware and firmware
• Researching weight scales

2020

April

• The ultimate cloud cat feeder - overview

2019

December

• Complex Arduino project design explained on the ultimate cloud cat feeder source code

November

• Open sourcing the PCB of the ultimate cloud cat feeder

August

• Print your own ultimate cloud cat feeder - open sourcing STL files

July

• Over 16k upvotes in around 24h for 18 months of work on a side project - the ultimate cat feeder is pretty neat and the cat is happy, too
• Around 100 printing hours later, the automatic cat feeder emerges

April

• I wasted 3 minutes every day on giving my cat food... so I spent 22+ hours designing an automatic cat feeder!

2018

September

• How to estimate host fleet size? Why keeping CPU at 30% might NOT be waste of money?

July

• How do you know the right maximum connections?

April

• (Auto) scaling services by CPU? You are doing it wrong

January

• What service metrics should be monitored?

2017

November

• Types of alarms - what's beyond min-max checks?
• What is Software Operational Excellence?

October

• Rock solid pipeline - how to deploy to production comfortably?

July

• The nightmare of large distributed systems

June

• What does it mean to design a highly scalable system?

February

• Cassandra logs/time series storage design - optimal compaction strategy
• Why shouldn't you ever use ResilioSync? "Database Error" problem

2016

December

• Dynamic Programming and the hardest problem on HackerRank

November

• Dynamic Programming in 5 easy steps - Examples - Two Robots

October

• Dynamic Programming in 5 easy steps - Examples - Set partitioning
• Dynamic Programming in 5 easy steps - Examples - Text Justification

September

• Cassandra Datastax C Sharp Driver problems - solution

August

• Cassandra Datastax C Sharp Driver problems - NoHostAvailableException
• Algorithms and data structures - non-academic trees

July

• The performance of setting T[] vs. List by index
• Presentation recommendation - Cloud-based Microservices powering BBC iPlayer

June

• Git tips - replace all occurrences of a string in files
• Messing with C Sharp types. Making type1.FullName==type2.FullName, but not type1==type2!

May

• The five stages of coming to terms with Cassandra
• Specifying requirements for live notification mechanism for systems integration purposes

April

• Presentation recommendation - The Microservices and DevOps Journey

March

• Little-known, useful, charming and beautiful algorithms - part 2

February

• Little-known, useful, charming and beautiful algorithms - part 1

January

• Checking "Star Wars - The Force Awakens" tickets availability with Azure WebJobs, scriptcs and SendGrid
• Merging multiple git repositories into one and purging sensitive data

2015

December

• Presentation recommendation - LinkedIn's Active/Active Evolution
• Cassandra - problems, issues, worries
• This is it, here I write