All professionals practice their art by engaging in skill-sharpening exercises. Musicians rehearse scales. Football players run through tires. Doctors practice sutures and surgical techniques. Lawyers practice arguments. Soldiers rehearse missions. When performance matters, professionals practice. SOME BACKGROUND ON PRACTICING Practicing…
No team can function well without a leader, where engineering is almost exclusively a team endeavor. A Manager is a leader of people, whereas a Tech Lead leads technology efforts. Although the responsibilities of these two roles require similar planning skills, they require quite…
With Java < 8, you would need to write something like: Calendar cal = Calendar.getInstance();cal.set(Calendar.HOUR, cal.get(Calendar.HOUR) + 2);vs. with Java 8: Readability: Calendar.getInstance() is not very well named: it is hard to tell which instance you are getting without reading…
Do you use repeating annotations in your code? Here's an alternative approach that could make your annotations more compact and readable.
How do I remove local (untracked) files from the current Git working tree?
These days, the time between new releases of an application become shorter and shorter, yet the software itself doesn’t become any simpler. On the contrary, software projects increase in complexity. Thus, we need a way to tame the beast and…
Originally, when Docker (the company) introduced Docker containers, everything was open source. Docker didn’t have any commercial products at this time. The Docker engine that the company developed was a monolithic piece of software. It contained many logical parts, such…
A software container is a pretty abstract thing, so it might help if we start with an analogy that should be pretty familiar to most of you. The analogy is a shipping container in the transportation industry. Throughout history, people…
Version control Let’s begin our exploration of Git, by gaining an understanding of what it is and what it can do for you. Git is software that keeps track of changes that you make to files and directories. And it’s…
This post explores Oracle’s Java 8 specification for lambda expression , the syntax and use cases. Lambda expressions can be used as method arguments or to iterate, filter, and extract data from a collection.