Over the past few years I have been participating in Stand-up meetings and it took me some time to find a convenient and effective way for keeping notes about what I was doing every day. I needed to be able to: keep notes on the issues I worked on, the meetings I participated in and stuff that blocked my work…
Lazarus Lazaridis
https://iridakos.com · 30 posts · history since 2018 · active
20 Apr 2020
6 Feb 2020
Yesterday I saw a great command that finds the palindrome dates between now and x days ago. The command was posted on Twitter by @climagic (a great account to follow if you want to find awesome command line stuff). In this post we are going to break it down and explain how it works. What is a palindrome Palindrome is…
23 Jan 2020
On Monday I had to put my beloved cat, Irida, to sleep. Who is Irida Iris) after a server in my university. It worked well for me that everybody thought the name was given due to her special look. Living with Irida The sickness Squamous cell Carcinoma on her jaw. What now I cried a lot, I am in pain…
20 Dec 2019
Roses are red Violets are blue I have stuck in vim And so have you. Vim ain't for newbies But I'm a curious soul So I went down That shell rabbit hole. I tried to edit hosts Everything went wrong The file remained open For two hours long. When I found the magic Semicolon double-u q The file was readonly…
12 Dec 2019
[others]: Variable names must be descriptive. [me]: $help-help-help: #F1F1F1;
6 Dec 2019
4 Dec 2019
Me: $ git commit -m "Closes issue #13" * Remove obsolete reference to core entity * Refactor module generating values * Log every ac... Colleague: “Hey, the pizza is heeeere” Me: * backspaces * $ git commit -m "Fixes"
3 Dec 2019
I am talking to my code but according to my cat, this is the least worrying.
22 Nov 2019
Roses are red Violets are blue I was looping forever And then I found you. i was your name I think j was next to you Born inside a for Died in there too. I saw you getting bigger Loop over loop over loop And j was getting smaller You were a great group. And then you just vanished You…
I recently faced some issues when trying to update a nested document’s type via nested attributes using the mongoid gem. Bare with me if this sentence doesn’t make any sense yet. Use case Suppose we have a document named Person that embeds a document that can be any of the types Book or BoardGame which inherit from the class Item.…
4 Nov 2019
There are two cat beds, many chairs, a sofa but no. She will sit there. That’s how I have two step authentication for my Ubuntu.
1 Nov 2019
This cat has been in my life for 12 years now. Whenever I get back home and sit on the sofa, she jumps on my chest and starts licking my nose and my eyebrows. She stays there until the moment she realizes I could be feeding her instead of relaxing.
14 Oct 2019
After painting the meadow with acrylic colors, I bought oil colors which are the ones Bob Ross uses in “The joy of painting” show. This time I followed the episode 10 from season 13 of the show, called “Mountain Summit”. I am very satisfied by the outcome but being a beginner, I faced a lot of difficulties and the painting…
11 Oct 2019
I have always liked painting but I had never devoted any time to this hobby. I was painting once every 2 or more years but with dissappointing results. Few days ago I tried to create a painting of my cat and I enjoyed both the process and the result. I decided to pursue this hobby and yesterday, I followed an…
7 Oct 2019
On Saturday I felt like drawing and (no surprises here) I decided to create a painting of my cat. Without further ado, this is the result. At the top center and right section of the photo you may notice the paws of my cat which was present during the whole process and which actually is responsible for some of the…
12 Sept 2019
26 Jun 2019
Email communication is not my favorite but since I can’t avoid it, I am trying to compose messages in a way that I think it makes it easier for both me and the recipient: to quickly address what is being communicated avoid misunderstandings save time Here are some tips. They don’t apply to all type of messages, I provide before…
11 Jun 2019
2 Jun 2019
16 May 2019
Suppose you have a text file and you need to remove all of its duplicate lines. TL;DR To remove the duplicate lines preserving their order in the file use: awk '!visited[$0]++' your_file > deduplicated_file How it works The script keeps an associative array with indices equal to the unique lines of the file and values equal to their occurrences. For…
2 May 2019
In this post we are going to manage nested objects of a document indexed with Elasticsearch. The nested type is a specialised version of the object datatype that allows arrays of objects to be indexed in a way that they can be queried independently of each other. – Nested datatype - Official Elasticsearch reference Prerequisites To follow this post you…
14 Apr 2019
10 Apr 2019
I use the terminal a lot and in my day to day work I tend to navigate to the same bunch of directories. There are some awesome tools out there (like autojump or z) but sometimes, especially when the directories are similarly named, there is a need to be explicit to navigate to the proper one. I decided to write…
7 Apr 2019
Hey! In this post we are going to: create a docker image for the Rails chat application that we created in the previous post configure the Docker environment and run the application by: creating a container for the PostgreSQL database creating a container for the Redis server creating a container with the required configuration from the image we built Prerequisites…
4 Apr 2019
Hey! It’s been a while since my last post. I recently familiarized myself with the awesomeness of WebSockets and I finally found the time to write a tutorial about it. I hope you find it helpful. Update: I also published another post for dockerizing the application of this tutorial, you can find it here. Introduction In this tutorial we are…