Tackling Java cold startup times on AWS Lambda with GraalVM
Posted on April 10, 2021, Level intermediate Resource Length medium
Have you ever tried running a Java application on AWS Lambda? Well, even the simplest Java application takes significant time to start up at first. The reason behind is simple. AWS has to prepare a runtime environment for your application when it executes the first time. This is called cold-start. By Arnold Galovics.
2020 Tech lead survey looks at developers & hints into 2021
Posted on April 6, 2021, Level beginner Resource Length medium
Couchbase has surveyed IT decision makers annually to find out the challenges they face in executing their digital transformation strategies. Perhaps unsurprisingly, 2020 was different from previous years. However, it may come as a surprise to find out how attuned CIOs are to the plight of developers. By Christina Knittel.
5 common mistakes in Go
Posted on April 3, 2021, Level beginner Resource Length short
Some common mistakes that can be seen in Go are infinite recursive call, assignment to nil map, undesired value being used in goroutine, and more. By Jai Pradeesh.
Why you should be using low-code apps to build internal tools
Posted on March 31, 2021, Level beginner Resource Length medium
Find out why you should be using low-code apps to build internal tools. By leveraging the speed and cost benefits of the new range of low and no-code tools available, you can use your expertise to deliver applications faster than ever before. By James Konik.
Why reading code is just as important as writing code: How to get better at it
Posted on March 16, 2021, Level beginner Resource Length long
It strikes me as odd. We've heard the same messages: Write clean code. Write readable code. Write meaningful code. By Amy M Haddad.
Initialization strategies with Testcontainers for integration tests
Posted on February 24, 2021, Level beginner Resource Length short
Testcontainers offers several initialization strategies for our Docker containers when writing integration tests. Depending on the Docker image we use for our tests, we might have to perform additional setup steps. By Philip.
Tags programming tdd java performance devops
Spring Batch on Kubernetes: Efficient batch processing at scale
Posted on February 6, 2021, Level intermediate Resource Length long
Batch processing has been a challenging area of computer science since its inception in the early days of punch cards and magnetic tapes. By Mahmoud Ben Hassine.
From first principles: Why Scala?
Posted on February 5, 2021, Level beginner Resource Length medium
Scala, first appearing in 2004, is neither an old stalwart nor a new player in the programming language market. This post will discuss the unique combination of features that Scala provides and how it compares to other languages on the market, diving beneath the superficial experience to explore the fundamentals of the language. By Haoyi.
The RustyHermit unikernel
Posted on January 28, 2021, Level intermediate Resource Length long
RustyHermit is a unikernel, which is completely written Rust. Unikernels are application images that directly contain the kernel as a library, so they do not require an installed operating system (OS). They are typical used in virtualized environments, which build the backbone of typical cloud / edge infrastructures. By @stlankes.
Ten computer codes that transformed science
Posted on January 24, 2021, Level beginner Resource Length long
From Fortran to arXiv.org, these advances in programming and platforms sent biology, climate science and physics into warp speed. By Jeffrey M. Perkel.
What is a Computed Property in Swift?
Posted on January 16, 2021, Level beginner Resource Length short
Computed properties are part of a family of property types in Swift. Stored properties are the most common which save and return a stored value whereas computed ones are a bit different. By Antoine van der Lee.
How to detect complex duplicated methods with PHPStan
Posted on January 15, 2021, Level beginner Resource Length short
Duplicated code is a code smell that hides the potential of better design. How can we find it? Is it 100 % identical code token by token? Are methods getName() and getName() on 2 entities duplicated? By Tomas Votruba.
Tags php web-development tdd programming