My 2022 Review

2022 was completely a mind-blowing year for me. Lots of changes happened at work. At present, things seem to be going to settle down, I want to look back at my year.

My balcony (2022)

Q1

At beginning of the year, I started with Metaverse and NFT research. I completed my first course about a new technology Blockchain on brilliant[dot]com which became my best favorite learning platform later on. Getting a certified IBM developer certification was also a good experience. I gained more knowledge of technologies including containerization, microservices, DevOps, and Cloud-Native. It triggered me to plan for DevOps toolchain enhancement for the company. Adopting GitOps practice was a good start. It is one of my main focuses for my position role as a Tech Lead. I was really impressed by the book “The Brief History of Time”. The story of Stephen Hawking was so inspiring. To me, it was one of my favorite books of this year. Sadly, this period was the time when some of my good friends were leaving the company.

Q2

Changing the organizational process was so truly difficult. Lots of discussions have been conducted to have the same voice for a group of people since the new role Engineering Lead was proposed for the change. What I experienced well in this period was that whenever I put my energy into something, all related things will come around me. And, franking is the only medicine to treat toxic sicknesses and environments. I started to sharpen my English pronunciation skills with ELSA speak app. I also spent time reading human management-related books including “The Mythical Man-Month” and “Peopleware”. I also spent a month interviewing for a new role as an Engineering Manager in a startup.

Q3

The role of Engineering Lead was adopted well. Working with completely new teams with new projects was an excellent experience. I have learned to work with new people who don’t have the same mindset as me. As a leader of the new teams, I understand more about the effortless approach to leading people. Getting the Professional Scrum Master (PSM) certificate helped me set up my working style as a Scrum Master with new teams. I affirmed that I should not be a hero but rather that I need to give more authority to the team to be self-organized.

Q4

Still, there were many things happened unanticipatedly. Another good member was leaving the company. It was the first time I joined team HR to define a process of annual performance appraisal. It took a huge time and effort. Some new practices were officially applied as a company standard such as Engineering Levels, OKRs, and the role of Team Lead. I also have experience with leading some development teams working on different projects built with different technologies. Giving clarity of the projects' roadmap for developers was my important job. Moreover, I have learned along with teams to solve different emerging project issues.

Comments

Junit - Test fails on French or German string assertion

In my previous post about building a regex to check a text without special characters but allow German and French . I met a problem that the unit test works fine on my machine using Eclipse, but it was fail when running on Jenkins' build job. Here is my test: @Test public void shouldAllowFrenchAndGermanCharacters(){ String source = "ÄäÖöÜüß áÁàÀâÂéÉèÈêÊîÎçÇ"; assertFalse(SpecialCharactersUtils.isExistSpecialCharater(source)); } Production code: public static boolean isExistNotAllowedCharacters(String source){ Pattern regex = Pattern.compile("^[a-zA-Z_0-9_ÄäÖöÜüß áÁàÀâÂéÉèÈêÊîÎçÇ]*$"); Matcher matcher = regex.matcher(source); return !matcher.matches(); } The result likes the following: Failed tests: SpecialCharactersUtilsTest.shouldAllowFrenchAndGermanCharacters:32 null A guy from stackoverflow.com says: "This is probably due to the default encoding used for your Java source files. The ö in the string literal in the J...

How I did customize "rasa-nlu-trainer" as my own tool

Check out my implementation here Background I wanted to have a tool for human beings to classify intents and extract entities of texts which were obtained from a raw dataset such as Rocket.chat's conversation, Maluuba Frames or here . Then, the output (labeled texts) could be consumed by an NLU tool such as Rasa NLU. rasa-nlu-trainer was a potential one which I didn't need to build an app from scratch. However, I needed to add more of my own features to fulfill my needs. They were: 1. Loading/displaying raw texts stored by a database such as MongoDB 2. Manually labeling intents and entities for the loaded texts 3. Persisting labeled texts into the database I firstly did look up what rasa-nlu-trainer 's technologies were used in order to see how to implement my mentioned features. At first glance rasa-nlu-trainer was bootstrapped with Create React App. Create React App is a tool to create a React app with no build configuration, as it said. This too...

My must-have apps for daily work

There is no doubt that cool apps can help us be more productive and enjoyable at work. For the time being, I really love the following apps which are used by me almost every day. 1. A personal Kanban In fact, a personal kanban is the most useful app for me. Why does it matter? It is not just a to-do list, but it keeps me motivated every day because it helps me be able to know what my "big picture" is. I usually set up my plans together with a path to reach them. KanbanFlow is my preferred tool. KanbanFlow 2. A terminal Needless to say, a terminal is a must-have app for every developer, especially the ones use macOS/Linux. Due to its importance, I love to decorate and enhance it to be super exciting with various tools such as iTerm , oh-my- zsh , and thefuck . ;) iTerm + oh-my-zsh 3. A documentation "ecosystem" As a developer, I can not remember all things that I have experimented a day. Moreover, a document is really useful for sharing an...

The power of acceptance test

User Story is the place PO gives his ideas about features so that developers are able to know what requirements are. Acceptance tests are these show the most valuable things of the features represented by some specific cases. Usually PO defines them, but not always. Therefore, refining existing acceptance tests – even defining new ones that cover all features of the User Story must be a worth task. Acceptance test with Given When Then pattern If we understand what we are going to do, we can complete it by 50% I have worked with some members those just start implementing the features one by one and from top to down of the User Story description. Be honest, I am the one used to be. What a risky approach! Because it might meet a case that is very easy to miss requirements or needs to re-work after finding any misunderstood things. I have also worked with some members those accept spending a long time to clarify the User Story. Reading carefully of whole User Story by defining...

The HelloWorld example of JSF 2.2 with Myfaces

I just did by myself create a very simple app "HelloWorld" of JSF 2.2 with a concrete implementation Myfaces that we can use it later on for our further JSF trying out. I attached the source code link at the end part. Just follow these steps below: 1. Create a Maven project in Eclipse (Kepler) with a simple Java web application archetype "maven-archetype-webapp". Maven should be the best choice for managing the dependencies , so far. JSF is a web framework that is the reason why I chose the mentioned archetype for my example. 2. Import dependencies for JSF implementation - Myfaces (v2.2.10) into file pom.xml . The following code that is easy to find from http://mvnrepository.com/ with key words "myfaces". <dependency> <groupId>org.apache.myfaces.core</groupId> <artifactId>myfaces-api</artifactId> <version>2.2.10</version> </dependency> <dependency> <groupId>org.apache.myfaces.core<...

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