https://mikealdo.github.io Architecture, coding, open source. en-UK Wed, 22 Mar 2017 06:25:16 GMT mdavidek1@gmail.com 2017-03-22T06:25:16Z en-UK https://mikealdo.github.io/2015/10/02/Software-architecture-like-a-building-own-house.html I heard several parables for SW architecture versus real life and their similarities or differences. And when I was finishing my working place in my own house I started thinking about own parable. Hard times I am living in my... architecture Fri, 02 Oct 2015 00:00:00 GMT https://mikealdo.github.io/2015/10/02/Software-architecture-like-a-building-own-house.html 2015-10-02T00:00:00Z https://mikealdo.github.io/2015/10/05/Merge-vs-Rebase-in-Git.html In Czech Republic we have one old school series of books from Jaroslav Foglar about boys groups and their fightings between each other. At one stage there were big decission time between two biggest groups and their leaders namely Losna... continuous delivery Mon, 05 Oct 2015 00:00:00 GMT https://mikealdo.github.io/2015/10/05/Merge-vs-Rebase-in-Git.html 2015-10-05T00:00:00Z https://mikealdo.github.io/2015/11/02/Read-only-master-branch.html Continuous delivery Continuous delivery is about delivering high quality software to customer immediately after next feature is added to the codebase. This adding is based on version control system and now I would like to discuss one step in this... continuous delivery Mon, 02 Nov 2015 01:00:00 GMT https://mikealdo.github.io/2015/11/02/Read-only-master-branch.html 2015-11-02T01:00:00Z https://mikealdo.github.io/2015/11/04/Behaviour-driven-development-and-automatic-acceptance-tests-in-action.html Have you ever heard about automatic acceptance testing? No? In short, these test are in the middle between developers and business (requirement specifiers). They are written in human (not only developer) readable language and in fact they are describing all... continuous delivery Wed, 04 Nov 2015 01:00:00 GMT https://mikealdo.github.io/2015/11/04/Behaviour-driven-development-and-automatic-acceptance-tests-in-action.html 2015-11-04T01:00:00Z https://mikealdo.github.io/2015/11/19/Software-architect-is-like-a-captain-of-football-team.html I am software engineer for more than 9 years. I am captain of football teams for more than 20 years. And I have experience with leading football teams and with following of various types of software architects. I am not... architecture Thu, 19 Nov 2015 01:00:00 GMT https://mikealdo.github.io/2015/11/19/Software-architect-is-like-a-captain-of-football-team.html 2015-11-19T01:00:00Z https://mikealdo.github.io/2015/12/08/Components-hacked-into-Struts2-java-web-framework.html Have you ever hack (customize, rework) some software framework to do something which was not in framework design? No? I haven’t your lucky so there is a short story about hacking Struts2 web framework to be able use “components”... struts2 Tue, 08 Dec 2015 01:00:00 GMT https://mikealdo.github.io/2015/12/08/Components-hacked-into-Struts2-java-web-framework.html 2015-12-08T01:00:00Z https://mikealdo.github.io/2015/12/14/Testing-database-changes-using-Liquibase-in-continous-delivery.html Almost every application needs to cooperate with database. In these agile times is database layer changing in daily order as every other things. When you are trying to adopt continous delivery for delivering features to your customers earlier or later... architecture Mon, 14 Dec 2015 01:00:00 GMT https://mikealdo.github.io/2015/12/14/Testing-database-changes-using-Liquibase-in-continous-delivery.html 2015-12-14T01:00:00Z https://mikealdo.github.io/2016/01/04/Managing-technical-debt-in-own-garage.html Recently I have written blog post about similarities between building of own house and software architecture. And at last weekend I realized that there are more parallels inside house than one could expect. And thing came into my mind has... refactoring Mon, 04 Jan 2016 01:00:00 GMT https://mikealdo.github.io/2016/01/04/Managing-technical-debt-in-own-garage.html 2016-01-04T01:00:00Z https://mikealdo.github.io/2016/01/13/Comparison-of-methods-for-preparing-test-data-for-your-tests.html Fact is that if your application cooperate with database and you are writing tests you need testing data. There are several ways how to maintain testing data which I ever seen, Each choice have some cons and pros so let&... dbunit Wed, 13 Jan 2016 01:00:00 GMT https://mikealdo.github.io/2016/01/13/Comparison-of-methods-for-preparing-test-data-for-your-tests.html 2016-01-13T01:00:00Z https://mikealdo.github.io/2016/01/19/Why-I-am-reading-exactly-one-technical-article-per-day.html From time to time (ok, everyday) we are speaking about everything with cup of coffee with colleagues of mine at work. From time to time (now it’s right usage of that sentence) we are speaking about technical stuff around... improvement Tue, 19 Jan 2016 01:00:00 GMT https://mikealdo.github.io/2016/01/19/Why-I-am-reading-exactly-one-technical-article-per-day.html 2016-01-19T01:00:00Z https://mikealdo.github.io/2016/02/10/S-V-N-prevent-doing-proper-code-reviews.html After some time I am in company using SVN as version control system. After last 2 years of working almost exclusively with Git I awaked from the dream. Not only I was in troubles with basic commands, merging and branching... code review Wed, 10 Feb 2016 01:00:00 GMT https://mikealdo.github.io/2016/02/10/S-V-N-prevent-doing-proper-code-reviews.html 2016-02-10T01:00:00Z https://mikealdo.github.io/2016/03/14/Pomodoro-and-happiness-in-developer-life.html I heard about Pomodoro technique couple of times in recent years. As usually with adopting new technique or habit I was little bit sceptic about it because it was so prescriptive and from the first sight it looked as “usual”... happiness Mon, 14 Mar 2016 01:00:00 GMT https://mikealdo.github.io/2016/03/14/Pomodoro-and-happiness-in-developer-life.html 2016-03-14T01:00:00Z https://mikealdo.github.io/2016/03/18/Self-retrospective-increases-happiness-of-life.html Recently I read good advice by @Kacanovski about doing self-retros. After some thinking about the idea, I decided to adapt it to my work and personal life. After six weeks of doing it, I can share some insights from a... happiness Fri, 18 Mar 2016 01:00:00 GMT https://mikealdo.github.io/2016/03/18/Self-retrospective-increases-happiness-of-life.html 2016-03-18T01:00:00Z https://mikealdo.github.io/2016/03/24/Enhancing-of-developers-blog-with-John-Sonmez-emailing-course.html How to promote own blog When I decided to create a blog and feed it high quality content, I was aware how hard it would be. The biggest effort I have done - I started. Next phase of filling blog... promotion Thu, 24 Mar 2016 01:00:00 GMT https://mikealdo.github.io/2016/03/24/Enhancing-of-developers-blog-with-John-Sonmez-emailing-course.html 2016-03-24T01:00:00Z https://mikealdo.github.io/2016/03/25/The-Programmers-Oath-and-my-perspective.html Before months I have read such a suggestion to developers or programmers to follow oath in their work. And of course several responses such as this one by Ron Jeffries. I believe that self-responsibility is the main sign of good... development Fri, 25 Mar 2016 01:00:00 GMT https://mikealdo.github.io/2016/03/25/The-Programmers-Oath-and-my-perspective.html 2016-03-25T01:00:00Z https://mikealdo.github.io/2016/04/01/Multiple-libraries-for-assertions-in-your-test-classpath.html You know that situation …​ You are joining some bigger project based on Java technologies and there is 99 percent certainty that there will be several libraries used for unit testing and assertions inside. If you have good luck,... unit testing Fri, 01 Apr 2016 00:00:00 GMT https://mikealdo.github.io/2016/04/01/Multiple-libraries-for-assertions-in-your-test-classpath.html 2016-04-01T00:00:00Z https://mikealdo.github.io/2016/04/08/Book-Review-The-developers-code-by-Ka-Wai-Cheung.html In last 2 years I am used to be a quite diligent reader. I have read many technical books and I would like to start with writing opinionated rewieves time to time. One of the reason is also supporting my... book-review Fri, 08 Apr 2016 00:00:00 GMT https://mikealdo.github.io/2016/04/08/Book-Review-The-developers-code-by-Ka-Wai-Cheung.html 2016-04-08T00:00:00Z https://mikealdo.github.io/2016/04/15/Ubiquitous-language-without-domain-driven-design.html Shared team language, project dictionary, terms. In software development, we all speaking about business domain terms but rarely taking care about unifying our language between each other when talking about the very same things. As I am an independent software... domain-driven design Fri, 15 Apr 2016 00:00:00 GMT https://mikealdo.github.io/2016/04/15/Ubiquitous-language-without-domain-driven-design.html 2016-04-15T00:00:00Z https://mikealdo.github.io/2016/04/22/Innovation-versus-technical-debt.html In software projects, there is always present tension between producing new features and keeping the maintainability of the software. If maintainability is hard (bugs are hard to detect and fix for example) and we are spending much more time maintaining... technical debt Fri, 22 Apr 2016 00:00:00 GMT https://mikealdo.github.io/2016/04/22/Innovation-versus-technical-debt.html 2016-04-22T00:00:00Z https://mikealdo.github.io/2016/04/29/10-biggest-mistakes-in-using-static-analysis.html Static analysis is in software engineering for the important time. Developers use Static analysis tools as part of the development and component testing process. The key aspect is that the code (or another artifact) is not executed or run but... static analysis Fri, 29 Apr 2016 00:00:00 GMT https://mikealdo.github.io/2016/04/29/10-biggest-mistakes-in-using-static-analysis.html 2016-04-29T00:00:00Z https://mikealdo.github.io/2016/05/06/Kinds-of-Static-analysis-tools.html I like clean code. I like code where is visible quality with the first touch of code. And I like predictable codebases which look as written by one developer. And I like static analysis because it significantly helps to achieve... static analysis Fri, 06 May 2016 00:00:00 GMT https://mikealdo.github.io/2016/05/06/Kinds-of-Static-analysis-tools.html 2016-05-06T00:00:00Z https://mikealdo.github.io/2016/05/13/Static-analysis-tools-for-Java-landscape-in-2016.html In two recent articles I was talking about mistakes in using static analysis and kinds of static analysis tools. As a last part of this mini series about static analysis I would provide my preferred toolset for Java landscape. As... static analysis tools Fri, 13 May 2016 00:00:00 GMT https://mikealdo.github.io/2016/05/13/Static-analysis-tools-for-Java-landscape-in-2016.html 2016-05-13T00:00:00Z https://mikealdo.github.io/2016/05/20/Assumptions-driven-development.html It’s quite hard to admit, but recently I have almost entirely failed with initial design and implementation of one of the features needed in software on which I am currently working. It’s even more challenging when I have... learning Fri, 20 May 2016 00:00:00 GMT https://mikealdo.github.io/2016/05/20/Assumptions-driven-development.html 2016-05-20T00:00:00Z https://mikealdo.github.io/2016/06/03/My-journey-to-face-The-Lambda-expressions-in-Java.html It’s not a surprising to me. Even when I am using plenty of libraries, programming techniques, and programming languages, I barely know five percent of them in a deep way. The fact is, it’s not a major problem.... lambda expressions Fri, 03 Jun 2016 00:00:00 GMT https://mikealdo.github.io/2016/06/03/My-journey-to-face-The-Lambda-expressions-in-Java.html 2016-06-03T00:00:00Z https://mikealdo.github.io/2016/06/17/How-complicated-is-to-truly-learn-the-Streams-in-Java.html Why am I about to write an article about well-documented feature of Java language, which is in use for more than two years in production environments? Well, as I was writing in the article about the Lambda expressions, there is... lambda expressions Fri, 17 Jun 2016 00:00:00 GMT https://mikealdo.github.io/2016/06/17/How-complicated-is-to-truly-learn-the-Streams-in-Java.html 2016-06-17T00:00:00Z https://mikealdo.github.io/2016/06/24/Do-you-trust-to-your-unit-tests.html I am thinking about the value of the unit tests time to time. Sometimes I discover tests without asserts or the right assert(s) for the particular contexts. Sometimes I tend to remove the tests which in my eyes are... unit testing Fri, 24 Jun 2016 00:00:00 GMT https://mikealdo.github.io/2016/06/24/Do-you-trust-to-your-unit-tests.html 2016-06-24T00:00:00Z https://mikealdo.github.io/2016/07/01/10-unfamiliar-features-in-Intelli-J-Idea.html As I am pretty experienced with using IntelliJ Idea IDE - about five years - I have developed a style of using it for almost all the situations in which I might be. Still, time to time I am discovering... ide Fri, 01 Jul 2016 00:00:00 GMT https://mikealdo.github.io/2016/07/01/10-unfamiliar-features-in-Intelli-J-Idea.html 2016-07-01T00:00:00Z https://mikealdo.github.io/2016/07/08/What-I-would-expect-when-joining-the-new-project.html As I am an entrepreneur in software development area, I have fixed time&price projects. It also means that I am changing the projects from time to time. These changes are usually happening after one year, but there are... programming Fri, 08 Jul 2016 00:00:00 GMT https://mikealdo.github.io/2016/07/08/What-I-would-expect-when-joining-the-new-project.html 2016-07-08T00:00:00Z https://mikealdo.github.io/2016/07/22/Performance-tip-for-tuning-S-Q-L-with-U-N-I-O-N.html This post will be short. It’s about a lesson learned by tuning the big SQL used for loading items from not related tables using the same where clause. It was performed on Oracle 11g, but I am pretty confident... performance Fri, 22 Jul 2016 00:00:00 GMT https://mikealdo.github.io/2016/07/22/Performance-tip-for-tuning-S-Q-L-with-U-N-I-O-N.html 2016-07-22T00:00:00Z https://mikealdo.github.io/2016/12/02/Refactoring-when-your-boss-is-against-it.html I am pretty often facing the situation on software projects, where bosses are against the major refactoring. These refactorings are often treated as technical debt are regularly checked and resolved. But even when the team does have dedicated time for... refactoring Fri, 02 Dec 2016 01:00:00 GMT https://mikealdo.github.io/2016/12/02/Refactoring-when-your-boss-is-against-it.html 2016-12-02T01:00:00Z