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Coffee Talk: Java, News, Stories and Opinions
Community driven content discussing all aspects of software development from DevOps to design patterns.
Recent Posts
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The right MySQL persistence.xml example file for JPA 2.2 and Hibernate 5
- TechTarget 16 Jun 2020 -
Use this git worktree add example and never switch branches again
- TechTarget 06 Jun 2020 -
How AI can help with requirements analysis tools
- Community Member 05 Jun 2020
Old JDBC drivers and new MySQL 8 databases don't mesh. Here's an updated MySQL persistence.xml example file for those doing JPA and Hibernate development.
I was today years old when I learned you could have multiple git working trees active at the same time. The idea is simple. Imagine you have multiple branches and you want to work on them all ...
Functional requirements and user stories create the blueprint for software applications. A good set of requirements can simplify developer's work when they translate business ideas into working ...
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Why the pull request process could work beyond development
05 Jun 2020 -
A Bitnami WordPress stack installation and examination
- TechTarget 03 Jun 2020 -
Use a git stash name to easily pop or apply changes
- TechTarget 02 Jun 2020 -
How to make multiple values per key in a Java map possible
- TechTarget 01 Jun 2020 -
How to git shelve changes and save local files
- TechTarget 30 May 2020 -
An example hibernate.cfg.xml for MySQL 8 and Hibernate 5
- TechTarget 27 May 2020 -
A version 5 Hibernate SchemaExport example with the ServiceRegistry and Metadata
- TechTarget 27 May 2020
The pull request process focuses on merit-based changed and an impartial review process to create improvements. It works well with open source software development. How would it fare in other areas ...
Sometimes it's fun to see how components in open source projects are architected together. I installed a Bitnami WordPress stack onto my laptop Here I to see how the popular blogging platform works.
A developer needs to name git stash saves if they want to easily identify them in the future. Here's how to do both a git stash with name apply and a git stash pop by name.
Need to add multiple values to a key in a Java HashMap but can't figure out how to do it? Here are three examples of how to solve the multiple values per key problem in Java.
How can a developer unshelve and shelve git changes? Or how about a git shelve equivalent like what IntelliJ has? Let's set the record straight on the git shelve and stash debate.
Hibernate 5 has updated dialects for various databases, and MySQL 8 has a special one of its own. Here an example hibernate.cfg.xml for MySQL 8 for Hiberante 5 apps or newer.
The manner in which you create a version 5 Hibernate SchemaExport object is markedly different than earlier versions of the framework. But it's not overwhelmingly difficult. Here's how you do it. ...
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How to create brand identity at the command line
22 May 2020 -
Always move and rename Git files in an isolated commit
- TechTarget 18 May 2020 -
How to fix the 'HttpServlet not found' error in Eclipse
- TechTarget 30 Apr 2020 -
Tomcat vs WebSphere: How these application servers compare
- TechTarget 29 Apr 2020 -
3 ways to build a Hibernate SessionFactory in Java by example
- TechTarget 27 Apr 2020 -
Consider these developer volunteer opportunities during COVID-19
23 Apr 2020 -
Kubernetes 1.18 adds more power, addresses shortcomings
21 Apr 2020 -
Kubernetes adoption continues to rise, according to CNCF Survey 2019
20 Apr 2020 -
How to plot your Java developer career path
- TechTarget 15 Apr 2020 -
Quickly fix the MySQL MyISAM type SQLSyntaxErrorException for Hibernate
- TechTarget 01 Apr 2020 -
Go beyond Docker with WebAssembly on the server-side
30 Mar 2020 -
5 tips to improve remote work productivity
30 Mar 2020 -
The best Java frameworks for web application development of 2020
- TechTarget 26 Feb 2020 -
How to refactor a Java portlet application for a cloud-native future
- TechTarget 25 Feb 2020 -
Top 5 benefits of client-side rendering frameworks
- TechTarget 24 Feb 2020 -
Easy JavaScript performance optimization tips for a speedy site
- TechTarget 21 Feb 2020 -
Top 3 website performance issues and how to fix them
- TechTarget 21 Feb 2020 -
Why you should make kebab case a URL naming convention best practice
- TechTarget 07 Feb 2020 -
Why I consider the Lenovo T430 the best laptop value around
- TechTarget 06 Feb 2020 -
How a software development team can handle management battles
31 Jan 2020 -
Make 2020 the year of your programming side hustle
- TechTarget 08 Jan 2020 -
5 technology predictions for 2020
07 Jan 2020 -
TheServerSide's top articles from 2019
- TechTarget 30 Dec 2019 -
Master functional programming in Java with five interfaces
- TechTarget 23 Dec 2019 -
Clean, concise code considerations for Kotlin and Java
19 Dec 2019 -
Top 5 ways to deploy a WAR file to Tomcat
- TechTarget 18 Dec 2019 -
Why a TrackPoint keyboard is a great gift idea for ThinkPad lovers
- TechTarget 17 Dec 2019 -
Moving JavaOne to Las Vegas shows Oracle has 2020 vision
- TechTarget 15 Dec 2019 -
5 simple steps you can take to prevent a data breach
13 Dec 2019 -
Find the right pull request workflow for your dev projects
27 Nov 2019 -
What type of developer are you: A technician or an artist?
26 Nov 2019 -
UX design reviews key to every web content management strategy
25 Nov 2019 -
How regular secure code reviews can benefit an organization
20 Nov 2019 -
Change how you present technical training for better value
08 Nov 2019 -
What developers need to know about an Alexa vulnerability
03 Oct 2019 -
Forensic analysis helps close gaps in hypervisor vulnerabilities
01 Oct 2019 -
How to fix the Eclipse 'No Java virtual machine was found' install error
- TechTarget 29 Sep 2019 -
10 Oracle Code One 2019 sessions to check out
- TechTarget 15 Sep 2019 -
How to get the most out of Oracle Code One 2019
- TechTarget 12 Sep 2019 -
How to deploy a JAR file to Tomcat the right way
- TechTarget 04 Sep 2019 -
Input validation issues open Cisco firewall vulnerability
29 Aug 2019 -
Use the HSTS header for secure communications across networks
28 Aug 2019 -
7 IT security best practices to know to prevent data breaches
23 Aug 2019 -
3 questions to ask in a microservices oriented architecture review
06 Aug 2019 -
Tips on how to successfully bring AI culture to dev teams
- TechTarget 26 Jul 2019 -
How to become a good Java programmer without a degree
18 Jul 2019 -
Fix JAVA_HOME errors quickly | Invalid directory | Not set or defined | Points to JRE
- TechTarget 16 Jul 2019 -
The future of front-end software development in a post GUI world
09 Jul 2019 -
Don't let RabbitMQ vulnerabilities expose your CI pipelines
01 Jul 2019 -
Hibernate vs JPA: What's the difference between these database ORM APIs?
- TechTarget 25 Jun 2019 -
Perform a Kubernetes security hardening before you use Jenkins X
25 Jun 2019 -
How to troubleshoot a JVM OutOfMemoryError problem
13 Jun 2019 -
How to deal with a remote code execution vulnerability
10 Jun 2019 -
Why is programming so hard to master?
28 May 2019 -
How to force Maven JDK 1.8 support through the POM file
- TechTarget 22 May 2019 -
Five ways to fix Git's 'fatal: repository not found' error
- TechTarget 10 May 2019 -
What I learned from the Google I/O 2019 keynote address
09 May 2019 -
How to install Tomcat as your Java application server
- TechTarget 05 May 2019 -
How not to write a Git commit message
- TechTarget 01 May 2019 -
An example of UnaryOperator in functional Lambda expressions
- TechTarget 01 May 2019 -
How to write a screen scraper application with HtmlUnit
- TechTarget 25 Apr 2019 -
Top 5 software development best practices you need to know
23 Apr 2019 -
How to learn new technology in a corporate environment
26 Mar 2019 -
How Instacart works around buggy Elasticsearch queries
18 Mar 2019 -
A simple Java Supplier interface example for those new to functional programming
- TechTarget 27 Feb 2019 -
Here's how to get by without Concurrent Mark Sweep
20 Feb 2019 -
A simple Java Function interface example: Learn Functional programming fast
- TechTarget 19 Feb 2019 -
Don't struggle to learn new programming languages
13 Feb 2019 -
A quick look at inferred types and the Java var keyword
- TechTarget 04 Feb 2019 -
Compare, contrast your image recognition tool options
31 Jan 2019 -
Step-by-step guide: How to install Git on Windows desktop computers
- TechTarget 31 Jan 2019 -
Why developers don't stay in management for IT career change
10 Jan 2019 -
How your team will benefit when you hire a full stack developer
09 Jan 2019 -
How Atomist's Rod Johnson works with pull requests
06 Jan 2019 -
How to use Java's functional Consumer interface example
- TechTarget 01 Jan 2019 -
Learn Java lambda syntax quickly with these examples
- TechTarget 13 Dec 2018 -
Benefits of lambda expressions in Java makes the move to a newer JDK worthwhile
- TechTarget 01 Dec 2018 -
What is a lambda expression and from where did the term 'lambda' elute?
- TechTarget 01 Dec 2018 -
DeepCode and AI tools poised to revolutionize static code analysis
30 Nov 2018 -
Continuous integration benefits: Why adopting a CI/CD tool like Jenkins makes sense
- TechTarget 20 Nov 2018 -
Just git reset and push when you need to undo previous local commits
- TechTarget 02 Nov 2018 -
To the brave new world of reactive systems and back
01 Nov 2018 -
How to choose the right virtual reality development engine
01 Nov 2018 -
How to learn software development tools faster
01 Nov 2018 -
How developers can prepare for the evolution of virtual reality
- TechTarget 01 Nov 2018 -
Reinhold advocates adding fiber to your Java diet in Oracle Code One keynote
- TechTarget 01 Nov 2018 -
Ballerina language promises to improve app integration
01 Nov 2018 -
Lamenting the death of JavaOne at Oracle Code One 2018
- TechTarget 23 Oct 2018 -
Five Oracle Code One sessions you don't want to miss
- TechTarget 21 Oct 2018 -
Is there a place for old developers on young development teams?
02 Oct 2018
How can an organization utilize the command line to create brand identity? Software developers spend hours working in the command line. Take advantage of these eyeballs and create a tool that's ...
Will there be a need to move or rename a Git file while you refactor your code? If so, don't mix code changes with file changes. Move and rename Git files in a separate commit.
Have you run into the HttpServlet not found error? This tutorial will show you how to quickly fix this annoying Eclipse error message in three easy steps.
When it comes to Java application server comparisons, there isn't a starker contrast between two offerings than Apache Tomcat and IBM WebSphere. Right off the bat, let's clear up some ...
If you're using the Hibernate core framework, you need to build a SessionFactory before you can begin doing any data persistence. As the name implies, the SessionFactory produces Hibernate ...
As COVID-19 continues to affect the planet, there's an abundance of developer volunteer opportunities that can help health professionals and everyday people get through the global pandemic.
Kubernetes is no doubt a powerful technology, but it has its shortcomings. For example, debugging under Kubernetes has always been a challenge. When it started out, Kubernetes was intended to run ...
Kubernetes is a game-changing technology in the world of container orchestration. Its adoption has seen a meteoric rise in production use since its release in 2014. A 2019 survey conducted by the ...
Are you a software developer with a bit of downtime on your hands? Here are three easy ways to keep busy while nurturing your Java developer career path.
There's nothing worse for a developer than an SQLException in Hibernate and JPA. And there's nothing more annoying than when the SQLException happens before any of the persistence code even runs. ...
Docker changed the way services and applications are designed, implemented and deployed. Before Docker, applications and services had to work cooperatively on the same machine. Sometimes they did, ...
As more people work from home as a result of COVID-19, employees used to the onsite work life will need to adapt to the remote work lifestyle. At first, it can seem like a welcome change but after ...
Client-side JavaScript frameworks are all the rage, but they aren't always the right answer if you want to deliver a web-based experience for your browser-based clients. If you want to distance ...
While the past may have been all about the development of Java portlet applications, the future is cloud-native. Here is how to bridge the two together.
As the name of this site implies, we're big advocates of server-side technologies. But we also recognize that integrating client-side technologies into the web architecture can be advantageous as ...
JavaScript can deliver highly interactive websites that actively engage the user in a way HTML alone never could. However, the increased engagement levels come with a performance cost that can ...
It's amazing how even in 2020, you can visit an established organization's homepage, only to encounter serious website performance issues that could easily be fixed if the developers and designers ...
They say there are only two difficult challenges in the world of computer programming: Synchronizing the invalidation of a distributed tertiary and quaternary cache; and What to name things. Given ...
Looking for an affordable used laptop? Check out the Lenovo T430. It's the best used laptop value around.
Here’s how it usually goes. A project manager or product owner relays word from someone higher up the corporate food chain that a piece of software needs to be delivered by a given date. The reason ...
Don't keep your programming side hustle on the backburner anymore. Find the time to put some work into your passion project and reinvigorate your programming creativity when you're not on the job.
As the old saying goes, "the more things change, the more they stay the same." I find this saying to be particularly true when it comes to technology. Even though it's become more complex, the ...
From Git to the speed of the OpenJDK, here's a look at some of the most popular topics of 2019 on TheServerSide.com.
Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they'll ever figure out which Java function to use and what the proper ...
Have you ever thought to replace the Java programming language with another? Well, an alternative with some buzz is Kotlin. While it remains to be seen if the programming language will overcome ...
If you want to develop web applications and Apache Tomcat is your target web server, you need to know how to deploy WAR files to Tomcat so you can see if your applications function at runtime. Here ...
Lenovo ThinkPads are one of the most commonly used laptops for enterprise software developers. They are well made, have a reputation for being durable and capable of taking a good deal of abuse, ...
The rebranding of JavaOne to Oracle Code One and move from San Francisco to Las Vegas is one that I will welcome with open arms, and you should too.
Stick to best practices when it comes to security. Follow these five simple steps to guard against the most basic cyberattacks.
At the heart of all large-scale software development projects are the communications patterns required to keep everyone on the same page. The dawn of Git as a distributed version control system ...
When I used to work for a big computer manufacturing company, I once had a boss with an interesting hiring philosophy. He divided technical talent into two groups: technicians and artists. If he ...
In most enterprise organizations, UX designers and content managers are separate roles filled by different people. As a person who has worked in both capacities, I'm constantly reminded of the ...
Follow these code review best practices to identify security vulnerabilities before your applications are released into production.
More often than not, technical training misses the mark. You need to better understand how we ingest information through Bloom's educational taxonomy to get the most value out of your training ...
An Alexa vulnerability, combined with improper record retention in Amazon cloud servers, could expose a consumer or business developer to hacks that target private data.
A June 2019 NIST report identified hypervisor vulnerabilities in type 1 and type 2 hypervisors. Through the use of forensic analysis, you can start to close gaps in these vulnerabilities and ...
In need of a quick fix for the Eclipse "No Java virtual machine was found" error during an Ubuntu or Windows installation? Here's how to fix the Eclipse JRE and JDK errors.
If you're in San Francisco for Oracle Code One 2019, here are 10 sessions to visit to make the most out of your conference experience and chat with TheServerSide's Cameron McKenzie.
There's a lot to digest at Oracle Code One 2019. Here's some sage advice from a conference veteran to make the most out of your experience in San Francisco.
How do you deploy a JAR file to Tomcat? Typically you deploy WAR files, not JARs. But if you need to link to a JAR file from a Java web app on Apache Tomcat, here's how to do it.
A Cisco firewall vulnerability stems from improper user input validation. Here is how to fix the problem, and other ways to stem firewall vulnerability issues in your environment.
With the HSTS header, your organization can ensure that communications are secure across your networks. Here is how to implement the header, and some parameters to set for proper security.
Hackers don't always infiltrate your production systems with sophisticated attacks. Sometimes, they view overlooked IT security best practices as the best way to gain access to your data.
Don't get caught up in all the microservices oriented architecture hype just yet. Make sure you ask some key questions, and examine potential design issues before you say yes.
The popularity of AI makes it an appealing option for some enterprises, but there's no one surefire option to implement AI culture with your staff. Follow these tips to open the door for AI in your ...
Great Java programmers are judged by their work, not their resume. How to become a good Java programmer without a degree largely depends on your own course of action and the hours you spend ...
If you've run into common JAVA_HOME errors such as JAVA_HOME not found or JAVA_HOME set to an invalid directory, we've got the fix for you with these tips.
By the year 2025, Google predicts that the number of IoT and Smart Devices in operation will exceed that of non-IoT devices. Statista also predicts a similar growth pattern, in which the ...
The Jenkins Security Advisory reported multiple security vulnerabilities in the RabbitMQ Publisher that exposed continuous integration pipelines to potential attacks through unencrypted passwords ...
Let us settle the Hibernate vs JPA debate for you. Here we explain the difference between JPA and Hibernate so that you'll never have to choose between the two database APIs.
Developers need to make a Kubernetes security hardening a priority before you dabble with Jenkins X in your environment. Don't let Kubernetes vulnerabilities expose your valuable data to possible ...
There aren't any magical tools that will fix an OutOfMemoryError for you, but there are some options available that will help automate your ability to troubleshoot and identify the root cause. ...
Manage a remote code execution vulnerability with careful diagnosis of the problem and different risk mitigation steps to avoid an attacker intrusion into your enterprise.
Why is programming so hard? Because it’s no longer about programming. Allow me to elaborate. I wrote my first line of professional code back in 1987. It was an application written in BASIC that did ...
Maven and Eclipse have always had a rocky relationship, and a common pain point between the two is how to force Maven JDK 1.8 support in new Eclipse projects. Without jumping through a few ...
Frustrated by Git's 'fatal: repository not found' error message? Here are five ways to fix that problem and successfully clone, fetch and pull from your repo.
Before the start of the Google I/O 2019 keynote address, I wondered what I'd learn in my role as an application developer. But when the keynote begins, I find myself thinking more like a consumer ...
Doing Java web development and need to install Tomcat? This example will show you how to download, meet prerequisites, install and test the popular Java web server.
I'm working on an article that outlines how to write a good Git commit message, along with a variety of Git commit message conventions and rules that developers should follow. But, as I write about ...
Do you need an example of how to use Java's UnaryOperator in a functional Lambda expression? This tutorial shows you where when and how to use the UnaryOperator interface in a function.
Interested in how to write a Java screen scraper application with HtmlUnit instead of JSoup? Here's a screen scraper example to help you get started with content aggregation.
Sometimes software development best practices are obvious. But as well-known as some of them may be, they are often overlooked. Explore these five best practices to ensure a smooth deployment.
Here’s how it usually goes when it comes to technical training in a corporate environment. A company decides to implement a new technology. The powers-that-be look around to determine if the IT ...
Enterprises that use Elasticsearch to find dynamic information in other apps are struggling to identify errant code that stalls enterprise apps. In theory, application performance monitoring tools ...
There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package contains well over 40 different components, ...
If your standby garbage collector option, Concurrent Mark Sweep, won't work on future Java releases, here are some option to consider as an alternative.
Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.
Developers need to learn new programming languages to stay ahead in their field and improve their skills. But, this can be a cumbersome process since people learn in different ways.
Here's a quick look at the Java var keyword and what it looks like when you use inferred types in your code.
If you're interested in an image recognition tool for your software development portfolio, consider these three popular options from Google, Clarifai and Amazon.
Working with GitHub or BitBucket? Then you need to install Git. In this tutorial we show you how to install Git on Windows in 10 easy steps.
A move up the ladder might make sense for an IT career change, but the day-to-day work difference for developers could keep those in IT away from management positions.
How can your company benefit from a full-stack developer? While these IT pros are difficult to find and expensive to pay, they can create a more efficient line of communication within your ...
Pull requests play an important role in any large software development project. They facilitate efficient code review, reduce bugs, track progress, and help coordinate a shared understanding of ...
The functional consumer interface is a key part of the Java Streams API. Here is a simple Consumer interface example to show you how to use this Java component.
Don't be intimidated by the prospect of doing functional programming in Java. This step-by-step example will help you learn basic Java lambda syntax quickly and effectively.
If you haven't used lambda expressions before, you might be wondering what the fuss is all about. After all, at the most basic level, they're nothing more than a new, somewhat simpler way to ...
What is a 'lambda function' and more importantly, where did the term 'lambda expression' come from? Here we look at the basics of lambda functions in Java and computer science.
Find out how AI promises to dramatically reshape the way developers analyze code for bugs, security issues, and performance improvements.
There's more to tools like Jenkins than simply building code after a Git commit. Here we explain continuous integration benefits clearly while answering the question 'Why Jenkins?'
What happens when you git reset and push to a remote GitHub or GitLab server? Are the reset local commits published, or do previous commits simply vanish?
We explore the idea of reactive systems and learn how they are designed.
Creating virtual 3D worlds has been a dream of programmers for many decades. Virtual reality, once a faraway fiction, is becoming a reality.
Red Hat’s chief trainer explores how developers can do a better job of keeping up with new tools.
Katie Stern, GM of the Game Developers Conference weighs in on what is in store for the future of VR development.
What's new in the Java ecosystem? Well, Project Amber, Loom, Valhalla and Panama to name just a few.
The Ballerina language, promises to streamline integration development for enterprise apps.
The JavaOne conference is no more, but that doesn’t mean we can’t lament its death at the new Oracle Code One conference in San Francisco.
From Jenkins pipelines written in Groovy, to cloud native applications written using the Eclipse MicroProfile, there is plenty to be excited about at the conference that was once called JavaOne. ...
You stay close to the code and do the work that needs to be done in the pursuit of excellence. But when are you too old for young development teams?