Lambda Calculus in Clojure (Part...
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- By Felipe Fernández
- Posted 17 Apr 2016
Sorted pagination in Cassandra
Cassandra is a fantastic database for different use cases. There are different situations when you need to twist Cassandra a little and studying one of those could be a helpful exercise to better understand what is Cassandra about. Databases are complex beasts, approaching them with...
- By Sandro Mancuso
- Posted 12 Apr 2016
We did it wrong, but not all was in vain
Yes, there was over engineering. Loads of it. Back in the mid 90s, when I started my career as a developer, the goal was to become an architect. No serious developer would dare writing a single line of code before selecting our preferred design patterns—we...
- By Robert Firek
- Posted 28 Mar 2016
Mutual Problems
The HTTPS protocol is the well-established standard for securing our connections. Understanding how this protocol works is not a problem and the corresponding RFC document is available since 2000. Despite HTTPS is used so widely, you can still find a software which doesn't handle this...
- By Ana Nogal
- Posted 17 Mar 2016
Code Smells – Part I
Last weekend I was at SoCraTes Canaries and I gave my first talk ever about code smells. Oh boy! How nervous was I! But now that has passed, I was wondering what I should do with all information I gathered. And then I thought, maybe...
- By Mani Sarkar
- Posted 16 Mar 2016
Containers all the way through...
In this post I will attempt to cover fundamentals of Bare Metal Systems, Virtual Systems and Container Systems. And the purpose for doing so is to learn about these systems as they stand and also the differences between them, focusing on how they execute programs...
- By Sandro Mancuso
- Posted 03 Mar 2016
Cohesion - The cornerstone of Software Design
Cohesion is one of the most important concepts in software design. Cohesion is at the core of the vast majority of good design principles and patterns out there, guiding separation of concerns and maintainability. The term cohesion (alongside coupling) was first introduced by Larry Constantine...
- By Robert Firek
- Posted 01 Mar 2016
Docker meets Continuous Deployment
About one year ago I had my first contact with Docker. This new kid on the block promised to relieve our poor computers from installation of all tools, languages, dependencies and operating systems. Isolated run environments emerged on developers' computers. While my ops teammates chose...
- By Sandro Mancuso
- Posted 22 Feb 2016
Open Financials
Early this month we took a big step towards full transparency and decided to open the financials to the whole company. Our decision is aligned to the open-book management concept. Why did we do that? The short answer: it was the right thing to do....
- By Pedro Santos
- Posted 08 Feb 2016
Command Prompt Envy
I'm spending my time between Mac OS and Windows, and when I go back to my Windows machine I always feel the lack of my Mac command prompt. Almost a year ago Amir posted how you can get a nice command prompt on a Mac....
- By Felipe Fernández
- Posted 07 Feb 2016
Coupling in distributed systems
Coupling and cohesion are key quality indicators. We strive for systems highly cohesive and loosely coupled, but high doesn't mean pure. The same goes with functional programming, we aim for isolating and reducing side effects, but we need them unless we want a useless system....
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