Kristofer Hallén
kristoferhallen.bsky.social
Kristofer Hallén
@kristoferhallen.bsky.social
Software development, DevOps, Sherlock Holmes
kristoferhallen.com
After briging (home baked of course) cookies to a workshop I have now defined a new leadership style "Management by cookies" (MBC). It is based on the Cookie Hypothesis - "people follow the one with the cookies".

kristoferhallen.com/posts/mbc/
Management by cookies | Kristofer Hallén
Software development thoughts by Kristofer Hallén.
kristoferhallen.com
September 21, 2025 at 3:52 PM
Book added to the library, Dust and Shadow by Lyndsay Faye. Sherlock Holmes meets Jack the Ripper!
sherlock.kristoferhallen.com/post/dustsha...

#sherlockholmes
Dust and Shadow
Sherlock Holmes meets Jack the Ripper! Someone is killing women in London, a challenge for the police and soon also for Sherlock Holmes. The killer must be stopped but he is hard to find in the big ci...
sherlock.kristoferhallen.com
August 12, 2025 at 5:56 PM
Sherlock Holmes Lego summer project, the Sherlock Holmes book nook! sherlock.kristoferhallen.com/post/booknook/
July 29, 2025 at 6:49 PM
Thinking about when it is time to change a tool or technology in software development. kristoferhallen.com/posts/whento...
When to change tools or technology | Kristofer Hallén
Software development thoughts by Kristofer Hallén.
kristoferhallen.com
June 8, 2025 at 6:47 PM
Book review The Adventure of the Murder on the Calais Coach. Sherlock Holmes meets Hercule Poirot! Or they are at least workin on the same case. sherlock.kristoferhallen.com/post/theadve...
#sherlockholmes
The Adventure of the Murder on the Calais Coach
Watson is requested to visit the retired Sherlock, now living in the countryside, and also to bring a mysterious package. Holmes is investigating a murder on the Calais coach, a murder that has alread...
sherlock.kristoferhallen.com
May 28, 2025 at 6:13 PM
Continuing with the Mary Russel book review, not in the right order I have realized. Now The Game! #sherlockholmes #maryrussel

sherlock.kristoferhallen.com/post/thegame/
The Game
The Game is the seventh book in the Mary Russell series (reviews) about Mary Russel and Sherlock Holmes. The detective duo embarks on a dangerous mission to colonial India. Summoned by Mycroft Holmes,...
sherlock.kristoferhallen.com
April 21, 2025 at 6:12 PM
Book review, The final solution. An old Sherlock meets a mute boy with a talking parrot that recites mysterious number series. sherlock.kristoferhallen.com/post/thefina... #sherlockholmes
March 29, 2025 at 6:01 PM
Book review, Anthony Horowitz's Moriarty. Set in the Holmes universe it is a great book if you want to see it from a new perspective and withouth Sherlock himself.
sherlock.kristoferhallen.com/post/moriarty/
Moriarty
Sherlock Holmes and Moriarty are dead after the fall at the Reichenbach Falls. A new criminal mastermind seem to be establishing in London and Inspector Jones and Pinkerton agent Frederick Chase join ...
sherlock.kristoferhallen.com
March 9, 2025 at 1:53 PM
Trying to figure out what impacts lead time for (software) changes. kristoferhallen.com/posts/capabi...

#softwaredevelopment #devops
What’s Slowing You Down? Diving into Lead Time for Changes | Kristofer Hallén
Software development thoughts by Kristofer Hallén.
kristoferhallen.com
February 24, 2025 at 7:37 PM
Book review - "Ask your developer". The "rules" for setting up a team is something I think about a lot. "you must know the team mission, the team customer (can be internal) and how to measure progress (that is in line with the mission).
#softwaredevelopment

kristoferhallen.com/posts/askyou...
Book review: Ask your developer
Ask Your Developer: How to Harness the Power of Software Developers and Win in the 21st Century by Jeff Lawson was the book that influenced me the most last year. It is about how to run a software dev...
kristoferhallen.com
February 16, 2025 at 4:48 PM
Why blog if nobody reads it? Good reasoning, in line with my own thinking. Updated my own reasoning for blogging. kristoferhallen.com/posts/whyiwr...

andysblog.uk/why-blog-if-...
Why Blog If Nobody Reads It?
What's the point of blogging?
andysblog.uk
February 16, 2025 at 4:09 PM
Next Sherlock Holmes book, Sherlock Holmes horror short stories. The twists in Neil Gaimans A study in Emerald are great, a combination of a well known Sherlock London and in the shadows a Lovecraftian world. #sherlockholmes

sherlock.kristoferhallen.com/post/shadows...
February 2, 2025 at 4:27 PM
Is old technology always bad? Chesterton´s fence and being proud of what you have. kristoferhallen.com/posts/cheste...

Should think about what "Software development according to Chesterton" would look like. Any proposals?

#chestertonsfence #softwaredevelopment
Chesterton´s fence and being proud of what you have
Chesterton’s fence is “the principle that reforms should not be made until the reasoning behind the existing state of affairs is understood.” Wikipedia. In software development think about is as don’t...
kristoferhallen.com
February 2, 2025 at 4:02 PM
Adding comics to the Sherlock Holmes library. sherlock.kristoferhallen.com/post/insidet...
#sherlockholmes #comics
January 19, 2025 at 6:33 PM

Starting the year with a book review, The unicorn project. How can an efficient, fast and great workplace be created in a large software development company using DevOps methodology? #devops

kristoferhallen.com/posts/theuni...
Book review: The unicorn project
The Unicorn project is a book about how to (and how not to) develop software in a large company. How do you go from an inefficient, slow and frustrating work environment to a setup where you deliver v...
kristoferhallen.com
January 12, 2025 at 6:37 PM