2021-11-23 05:00
Progressive Web Apps (PWAs) are web applications that use the features of modern browsers to offer a native-app-like experience on every platform. They rest on three pillars: responsiveness… Read More
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Java Code Geeks Blog
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2021-11-22 07:00
Take a Hands-on Approach to Learning Real Programming Skills with 14 Hours of Training in Today’s Top Development Tools Hey fellow geeks, This week, on our JCG Deals store, we have ano… Read More
2021-11-22 05:00
The shift from inside-out to outside-in is necessary to become more effective as a product development organization. We cannot build it and (expect) they will come. Here’s how to think… Read More
2021-11-21 13:15
Many organizations ask teams to forecast when the team can deliver a feature. (Or finish a project.) That request often means the teams spend a ton of time forecasting, not delivering. Inste… Read More
2021-11-20 13:15
You’ve spent the better part of two years organizing for all-remote work. Now, your managers want people back in the office. However, your team won’t all be back in the same time… Read More
2021-11-19 05:00
Problem: At times intellij is unable to identify classes even though you would have added respective jars in maven or gradle project. Solution: Try one of these solutions. Invalidate caches… Read More
2021-11-18 07:00
Take a Hands-on Approach to Learning Real Programming Skills with 14 Hours of Training in Today’s Top Development Tools Hey fellow geeks, This week, on our JCG Deals store, we have ano… Read More
2021-11-18 05:00
As most Java developers know, putting values in a Java Map (like a HashMap) involves creating a large number of auxiliary objects under the covers. For example, a HashMap with int keys and l… Read More
2021-11-17 05:00
Hello. In this tutorial, we will explain the implementation of Firebase Firestore in the node.js application. The application will be responsible to perform the crud operations. 1. Introduct… Read More
2021-11-16 05:00
Jakarta REST (JAX-RS) defines it’s own dependency injection using the @Context annotation. REST resources also support CDI injection if you enable CDI on the REST r… Read More
2021-11-15 05:00
Introduction In this competitive world, every organization is moving towards digital transformation. To stay ahead of the competition businesses are trying to improve their existing IT infra… Read More
2021-11-14 13:15
On the previous example we had a Java application spinning up an http server and upon this Java process operating a GRPC application. If you use frameworks like Spring you might wonder how y… Read More
2021-11-12 05:00
Many software architectures try to separate domain logic from other parts of the application. To follow this practice we always need to know what actually is domain logic and what is not. Un… Read More
2021-11-11 07:00
5 Lifetime Courses & 60 Hours of Content on CompTIA, CISCO, CCSK, CISM, and More! Get All the Training You Need to Succeed in the Very Popular World of Cybersecurity Hey fellow geeks, Th… Read More
2021-11-11 05:00
Measuring test coverage of your production code can quickly become a heated topic, especially with regards to which percentage is the right number. In the video, I want to show you a differe… Read More
2021-11-10 05:00
This is a series of posts that will explore service to service call patterns in some of the application runtimes in Google Cloud. This specific post will explore GKE without using a service… Read More
2021-11-09 05:00
In the mid-2000s, Toyota car owners and several cab drivers complained about the auto acceleration of their vehicles without even touching the pedal. After thorough research and investigatio… Read More
2021-11-08 07:00
Amp Up Your Programming Skill Set with 270+ Hours of Content on the Leading Coding Languages — Taught by Top-Rated Instructors Ft. Rob Percival, Nick Walter, & More! Hey fellow gee… Read More
2021-11-08 05:00
From tracking your products across continents to systems that manage movements of automated vehicles in a manufacturing unit, the software has become essential. Due to the increased reliance… Read More
2021-11-07 13:15
Organizations must understand the importance of adopting ongoing technologies and how they can help them grow exponentially. To step ahead after facing challenging times during the pan… Read More
2021-11-06 13:15
In this day and age, you need to take your website security seriously. While WordPress is a generally secure and safe content management system, it’s not foolproof. Google blacklists a… Read More
2021-11-05 05:00
Over the last decade, the usage of mobile devices has skyrocketed globally. According to Statista’s predictions, the number of smartphone users will surpass 1.5 billion in 2040. Hence… Read More
2021-11-04 07:00
The Ultimate Toolbox for Creating Amazing Websites! Get the Latest Version of This Web Builder with a Huge Set of Design Tools PLUS 7 Extension Packs Hey fellow geeks, This week, on our JCG… Read More
2021-11-04 05:00
One would like to assume that turning logging on would have no side effect on the running software. LOGGER.info("The current session is {}", request.getSessionId()); However, there are alway… Read More
2021-11-03 05:00
What comes to your mind when you hear the term Black box, specifically concerning testing? Well, it is something that is not very common to listen to but remains an essential form of softwar… Read More
2021-11-02 05:00
Previously we secured an Nginx instance using SSL and mTLS. If you are using Java interacting with a service secured with mTLS requires some changes on your code base. On this tutorial we sh… Read More
2021-11-01 07:00
Linux Command Line, Bash Shell, Secure Shell, Ubuntu & Kali — This is Your 34-Hour Guide to Mastering One of the Top Business Operating Systems On Earth Hey fellow geeks, This week… Read More
2021-11-01 05:00
Define Async/Await in JavaScript in One Sentence The async/await pattern allows non-blocking code to be written as though it’s blocking code. Rewind Languages without multi-threading m… Read More
2021-10-31 13:15
While working with GKE cluster, how do you define rules to keep your cluster in compliance. For example – you may want that all pods must specify resource limits or say, all deployment… Read More
2021-10-30 12:15
Data Driven Testing is a commonly used method of software testing where the test data is externally stored in spreadsheets or in table format. Data Driven Testing enables the testing team to… Read More
2021-10-28 04:00
I’ve been hearing people talk about “hybrid” remote teams. So far, every person I’ve talked to means something different. When Mark Kilby and I wrote From Chaos to Su… Read More
2021-10-27 04:00
You’re a leader in the organization. And you’re supposed to be at another meeting, that started 15 minutes ago. Your previous meeting ran long, so now you’re late. But the… Read More
2021-10-26 04:00
Since the time of Kernighan and Ritchie we share binary code in libraries. You need to print some text with printf() in C++? You get libc library with 700+ other functions inside. You need t… Read More
2021-10-25 06:00
Instant Content in a Few Clicks! Using the Power of AI & The Experience of Copywriters, Peppertype.ai Creates Engaging Copy Tailored for Your Audience and Platform Hey fellow geeks, This… Read More
2021-10-25 04:00
Hello. In this tutorial, we will explain readable and writable Streams in a Node.js application. 1. Introduction Streams in the node are the objects that help you to write and read data to a… Read More
2021-10-24 12:14
In some languages, and by some I probably mean JavaScript, values are tested for truthiness. Any value can be treated as a boolean. This gives us a special case with zero. Consider this: if… Read More
2021-10-23 12:15
A thread dump is a snapshot of all the threads running in a java process. It’s a vital artifact to troubleshoot various production problems such as CPU spikes, unresponsiveness in the… Read More
2021-10-22 04:00
Front end development involves implementing the web user interface through coding languages like HTML, CSS, and JavaScript. A web design specifies how a website appears, while front end deve… Read More
2021-10-21 13:46
When you’re a product or project manager working at a B2B company, there are many challenges you face when it comes to receiving feedback. How so? Feedback is coming in through all cus… Read More
2021-10-21 04:00
The software market is constantly growing, and so are the browsers and devices. Customers are no more naive in choosing the best websites to fulfill their needs. So, it becomes necessary for… Read More
2021-10-20 04:00
In the world of technology, exceptions are said to be as old as programming itself. Occurrence of an exception during the execution of code can result in unexpected behaviour unless the exce… Read More
2021-10-19 04:10
With millions of websites being developed every day, it becomes challenging to test them on different browsers. And more importantly not all of them survive. The majority of the websites fai… Read More
2021-10-18 06:00
Master the Essentials of Today’s Digital Literacy with 29 Hours of Content on Coding Languages & Exam Prep on MTA, PCEP, and ITIL 4 Hey fellow geeks,Array This week, on our JCG Dea… Read More
2021-10-18 04:00
Project Reactor is a fully non-blocking foundation with back-pressure support included. Although most libraries out there support asynchronous methods thus assist on its usage, there are som… Read More
2021-10-17 12:15
In this article, I will show you how to setup Anthos on Google Cloud. Anthos setup requires that you have the following prerequisites in place: Google project with billing enabledAnthos APIs… Read More
2021-10-16 12:15
‘java.lang.System.getProperty()’ is a common API used by Java developers to read the System properties that are configured during application startup time. i.e. when you pass &ld&hell…Read More
2021-10-15 04:10
Langium is a language engineering tool designed to help create DSLs and low code platforms: you can quickly create DSLs with Langium. Langium is lightweight, based on Visual Studio Code and… Read More
2021-10-14 04:01
Today, there are many smartphone users in the world and so is the popularity of mobile apps. In order to be competent, mobile apps have to be unique and provide the best user experience to i… Read More
2021-10-13 04:00
KivaKit Microservices KivaKit is designed to make coding microservices faster and easier. In this blog post, we will examine the kivakit-microservice module. As of this date, this mod… Read More
2021-10-12 04:00
Do you ever encounter perfection rules when you write (or create in any way)? Maybe you’ve heard these statements—or you’ve said them to yourself: We must spend a lot of ti… Read More
2021-10-11 06:00
The “World’s Fastest VPN” That Provides Military-Grade Encryption While Giving You Access to Sites & Streaming Content Over 115+ Locations All Around the World Hey fell… Read More
2021-10-11 04:00
Here we go, JDK-17, the next LTS release, just became generally available. It is an important milestone for the OpenJDK for years to come but sadly, Project Loom, the most anticipated improv… Read More
2021-10-10 12:15
This is a short write-up on using Google Cloud Deploy for Continuous Deployment of a Java-based project. Google Cloud Deploy is a new entrant to the CD space. It facilitates a continuo… Read More
2021-10-09 12:15
When it comes to web automation testing, the first automation testing framework that comes to mind undoubtedly has to be the Selenium framework. Selenium automation testing has picked up a s… Read More
2021-10-08 04:00
Java’s concurrency library (java.util.concurrent) provides a mutual-exclusion (mutex) Lock called ReentrantLock. This lock maintains a queue of threads that are waiting to own the lock… Read More
2021-10-06 21:00
A little over four years ago, Mark Reinhold (Chief Architect of the Java Platform Group at Oracle) stated in his blog post “Moving Java Forward Faster“: “For Java to remain… Read More
2021-10-06 04:00
OpenJDK 18 Early-Access Build 16 (2021/9/23) is now available and includes the implementation for JEP 413 (“Code Snippets in Java API Documentation“), which is targeted for JDK 1… Read More
2021-10-05 04:00
More of my clients say they want business agility. (That’s a good thing.) Yet, we don’t share a common definition of it. My clients mostly discuss their mindset. Mindset might he… Read More
2021-10-04 06:00
Master The Ins & Outs of Java Programming Then Learn Useful Software Principles, Ace Interviews, and Become an Industry-Ready Programmer Hey fellow geeks, This week, on our JCG Deals sto… Read More
2021-10-04 04:00
One of the pain points in all the development projects that I have worked on has been setting up/getting an infrastructure for automation. This has typically meant getting access to an insta… Read More
2021-10-03 12:15
A mobile app lifecycle is divided into various stages, from its first line of code to the submission request. Within these stages, one aspect that holds the key to creating an app is its tes… Read More
2021-10-02 12:15
A poor man’s multiple-repository build system Refactoring feature branches across multiple repositories A common use case when working with multiple, dependent repositories is to use g… Read More
2021-10-01 07:00
KivaKit applications can be configured using the settings api, but there is an easier way to configure an application for deployment built right into Application. By default, Application loo… Read More
2021-10-01 04:00
In this post we will explore the transition from a classic layered software architecture to a hexagonal architecture. The hexagonal architecture (also called ports and adapters architecture)… Read More
2021-09-30 07:00
In the agile environment, developers need to run relevant cross-browser tests to push any front-end changes quickly. While small projects use manual testing, larger projects need automation… Read More
2021-09-30 04:00
The Pandemic has shown that Enterprises can bring drastic changes in a short span of time. There is always this question as to how did Enterprises scale up their digital transformation effor… Read More
2021-09-29 07:00
Java‘s addition of java.util.Optional has been welcome and had led to more fluent code for methods that cannot always return non-null values. Unfortunately, Optional has been abused an… Read More
2021-09-29 04:00
Most of us writers start with bad advice, to write “formally.” We’re not supposed to talk to the reader. Or, we’re supposed to avoid stories. Worse, we’re suppo… Read More
2021-09-28 07:00
It is a personal blog. The views and opinions expressed in this article are those of the author. They do not represent people, institutions, or organizations that the author may or may not b… Read More
2021-09-28 04:00
In Java 17 (released only a few days ago), Pattern Matching for switch has been introduced as a preview language feature, which allows case labels with patterns rather than just constants. H… Read More
2021-09-27 07:00
Java 17, the new long-term support aka LTS is now available for use and support for many years to come. Let’s remind here that Non-LTS releases get six months of support from Ora… Read More
2021-09-27 06:00
This Enormous 85-Hour Bundle Will Teach You How to Build Programs, Analyze Data, & More with This Leading General-Purpose Language Hey fellow geeks, This week, on our JCG Deals store, we… Read More
2021-09-27 04:00
Introduction This year, many businesses have seen tremendous digital transformations because of the prevailing pandemic. As organizations were forced to adjust their ways to deliver their se… Read More
2021-09-26 12:15
DevTestOps and DevOps – Not Just Another Hype Don’t worry. DevTestOps isn’t another new term to create turbulence in our IT and DevOps world. Similar to other topolog… Read More
2021-09-25 12:15
When I sent my newsletter last month, Modern Management: Want Valuable Outcomes? Create Overarching Goals, several readers asked me questions. Why did I differentiate between outputs, outcom… Read More
2021-09-24 07:00
The JDK Enhancement-Proposal (JEP) process is “for collecting, reviewing, sorting, and recording the results of proposals for enhancements to the JDK and for related efforts, such as p… Read More
2021-09-24 04:00
I’ve read hundreds of thousands or perhaps even millions of lines of Java code during my career as I’ve worked with my projects’ baselines; read code from open source libra… Read More
2021-09-23 07:00
Java 17 (released yesterday) comes with many new features and enhancements. However, most of those require code changes to benefit from. Except for performance. Simply switch your JDK instal… Read More
2021-09-23 04:00
A resource is a stream of data that can be opened, read from or written to, and then closed. KivaKit provides a resource mini-framework that allows easy and consistent access to many types o… Read More
2021-09-22 07:01
The kivakit-commandline module provides the switch and argument parsing used by kivakit-application. Let’s take a look at how this works. When an Application starts up (see KivaKit app… Read More
2021-09-22 04:00
In Cloud Native apps private networks, databases and services are a reality. An infrastructure can be fully private and only a limited number of entry points can be available. Obviously the… Read More
2021-09-21 07:00
Pub/Sub is a messaging solution provided by GCP Before we dive into the actual configuration we need to be aware that Spring Cloud for GCP is now managed by the Google Cloud Team. Therefore… Read More
2021-09-21 04:00
MacOS is a Unix but it isn’t a Linux so, unfortunately, if/when we need to use linux-y things like docker we need to install a VM just like in the Windows world. That’s of course… Read More
2021-09-20 07:00
Hello. This tutorial will explain session management in the node.js application. 1. Introduction Session management is an important part of any application that helps the application track t… Read More
2021-09-20 06:00
Get Lifetime Access to Affordable World-Class Certification Training Courses & Gain New, Essential Industry Skills Hey fellow geeks, This week, on our JCG Deals store, we have another ex… Read More
2021-09-20 04:00
Hello. This tutorial will explain authentication in the Node.js applications through the passport module. 1. Introduction Passport.js is an authentication middleware designed for Nodejs. pas… Read More
2021-09-19 12:15
At present, the software world is dominated by work on “Big Data” and “AI” that takes place in “The Cloud”. Looking back at the era of mainframes in the 1… Read More
2021-09-18 12:15
The kivakit-application module contains building blocks for creating applications and servers. In the diagram below, we can see that the Application class extends BaseComponent. Server, in t… Read More
2021-09-17 07:00
A critical component for every business website is a high-quality user interface. A well-designed interface gives the users an intuitive and efficient experience, which positively affects th… Read More
2021-09-17 04:00
The emergence of the information age and e-commerce has forced businesses to upgrade their presence digitally. While mobile, web and PWA apps are becoming the means of reaching new customers… Read More
2021-09-16 14:10
Among one of the most popular and well-known programming languages of the 21st century, Java is a household name. Created in 1995, the programming language prides itself on the mantra write… Read More
2021-09-16 07:00
Selenium is a widely used web automation testing platform, and Selenium Automation is in great demand today. There are plenty of real-time test scenarios in selenium testing where the need f… Read More
2021-09-16 04:00
With many apps being developed at a rapid pace, testing and releasing the apps is starting to become a challenge. However, with the use of various rapid automation techniques and automation… Read More
2021-09-15 07:00
Are you frustrated with your board? Maybe three columns don’t offer you enough information. Or maybe you agree with me that teams need to create their own boards. (See the Agile Approa… Read More
2021-09-15 04:00
I started this series with observations that my clients appear to confuse strategy and tactics. They think agile approaches are tactics and agile tools are part of their strategy. That&rsquo&hell…Read More
2021-09-14 07:00
In Part 1 and 2 of this series, I wrote about how an agile approach might offer strategic benefits. And because an agile approach changes your culture, I said the agile approach was part of… Read More
2021-09-14 04:00
When I produced System Stubs I attempted, and failed, to produce a mock implementation for the system clock. It’s very convenient in production code to create a variable containing som… Read More
2021-09-13 07:00
Rapid digitalization of the world and wide access to the Internet cause an immense growth of online participants in all areas of business and life. In contrast to this, keeping track of all… Read More
2021-09-13 06:00
24 Expert-Led Courses on Network, Database, Cloud & Project Management Security to Help Build Your Reputation as a Certified Cyber Security Professional Hey fellow geeks, This week, on o… Read More
2021-09-13 04:00
If you’re in the Enterprise Java space, you’re probably aware that you can use MicroProfile Config to configure your applications. This also works with plain Java projects, witho… Read More
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