DevOps-driven, cloud-native app development
It's time to embrace DevOps. A DevOps transition will make your development process and delivery pipelines faster, more reliable and more scalable. Learn how to automate, collaborate, monitor and optimize your enterprise with examples and tutorials on technologies like Jenkins, Docker, Kubernetes, Terraform, and other cloud-native tools and technologies.
Top Stories
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Quiz
16 Sep 2025
More AWS Cloud Practitioner practice exam questions
Ready to take the next step in your cloud career? These AWS cloud practitioner practice exam questions will test your knowledge about key AWS services and capabilities. Continue Reading
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Tip
08 Sep 2025
What are the most common challenges of Agile adoption?
Don't let a rigid interpretation of the Agile Manifesto hinder Agile adoption. Learn to view the challenges of Agile as opportunities for change and growth. Continue Reading
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Blog Post
02 Oct 2025
How to git push an existing project to GitLab
Want to push a new project into an existing GitLab repository? Follow these steps, but beware one way that will work but might cause trouble on a shared repo. Continue Reading
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Blog Post
30 Sep 2025
Quickly generate, add and setup GitLab SSH Keys
To connect Git operations securely to your GitLab repository, you will need to configure GitLab SSH keys both locally and remotely. Here's a quick example of how to do it. Continue Reading
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Blog Post
30 Sep 2025
GitHub Desktop Tutorial for beginners
Need to learn how to use GitHub Desktop? This quick and thorough GitHub Desktop tutorial for beginners will teach you all the fine points of source code management both locally and in the cloud. Continue Reading
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Blog Post
29 Sep 2025
What is Scrum? The Scrum Process defined in under 5 minutes
The Scrum framework is the software development industry's most popular Agile methodology. Here are the key steps that define how the Scrum process flows. Continue Reading
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Blog Post
29 Sep 2025
How to discard local changes in Git
Don't overlook a file or two when you attempt to remove and discard local, uncommitted changes in Git. Learn how to locally revert and remove uncommitted changes to files in Git properly. Continue Reading
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Blog Post
29 Sep 2025
Standup meetings vs the Daily Scrum: What's the difference?
Other than being an ableist term that discriminates against people who can't stand, there are many differences between a standup meeting and the daily Scrum. Here we look at the 10 most important ... Continue Reading
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Blog Post
25 Sep 2025
Set a Git stash message. Pop with a Git stash name
Developers need to name their git stashes and add a message if they want to easily identify them in the future. Here's how to pop and apply a specific Git stash by name. Continue Reading
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Blog Post
25 Sep 2025
How to find and use a GitHub URL by example
This example shows you how you can find and use the GitHub URL. Clone, fetch, push and pull to your remote repo easily with the GitHub URL at your disposal. Continue Reading
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Blog Post
23 Sep 2025
Git reset hard vs. soft: What's the difference?
Both hard and soft git reset commands manipulate the commit history. Where soft vs. hard git reset commands differ is by how they impact the index and the local filesystem. Continue Reading
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Blog Post
22 Sep 2025
git@github: permission denied (PublicKey) SSH error fix
Here are the three most common fixes to GitHub 'Permission denied (publickey)' SSH error. Continue Reading
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Blog Post
22 Sep 2025
How to delete local and remote Git branches
There's no single Git command that will delete a remote and local Git branch. But these two commands will get the job done. Need to delete remote and local Git branches? Here's how to do it. Continue Reading
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Blog Post
22 Sep 2025
Create your first Python AWS Lambda function in minutes
Want to quickly create an AWS Lambda function in Python? This quick Python and AWS tutorial shows how to develop, test and deploy your first Python Lambda function in just a few minutes. Continue Reading
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Blog Post
20 Sep 2025
How to git push an existing project to GitHub
If you start development before you set up version control, you may need to push your development project to an existing GitHub repo. This Git and GitHub example shows you the fastest way to ... Continue Reading
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Blog Post
19 Sep 2025
(Brackets) vs {braces} vs [parentheses]: What's the difference?
Stop using the terms square brackets, round brackets and squiggly brackets. Use the terms braces, brackets and parenthesis instead. Here's the difference between them. Continue Reading
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Blog Post
17 Sep 2025
How to clone a specific git commit
Need to git clone a specific commit? There's no single command to do it, but clever use of branch and reset commands makes it possible to clone a single, specific git commit. Continue Reading
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Blog Post
16 Sep 2025
How to install Git on Windows
Need to install Git on Windows? This quick Git install tutorial shows you how to quickly download, install and configure Git on Windows 10. Continue Reading
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Quiz
16 Sep 2025
More AWS Cloud Practitioner practice exam questions
Ready to take the next step in your cloud career? These AWS cloud practitioner practice exam questions will test your knowledge about key AWS services and capabilities. Continue Reading
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Blog Post
15 Sep 2025
Is GitHub Copilot free?
GitHub Copilot pricing includes a basic free tier that provides code completions and chat requests. But does that mean it's free? Yes and no. Continue Reading
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Blog Post
14 Sep 2025
How to create a Git repository
To get started with Git, you need a git repository. This quick tutorial will show you how to use "git init" to quickly create a git repo on your local machine. Continue Reading
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Blog Post
14 Sep 2025
How to install Jenkins on Windows
With the Jenkins installer it's incredibly easy to download and run the popular CI/CD tool. Follow these simple steps and you'll have the continuous integration server running on Windows in no time. Continue Reading
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Blog Post
13 Sep 2025
The git add command for beginners
The Git index, along with the need to use the "git add" command before performing a commit, is often a source of confusion for beginners. These "git add" examples will make things clear. Continue Reading
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Blog Post
13 Sep 2025
How to amend a git commit
The easiest way to undo a git commit is with the git commit --amend command. This quick tutorial will show you how to quickly amend any Git commit. Continue Reading
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Blog Post
10 Sep 2025
The chicken and pigs parable and Scrum
In a ham and eggs breakfast, the chicken is involved, but the pig's 100% committed. That's the problematic basis of Scrum's chicken and pigs parable. Continue Reading
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Tip
08 Sep 2025
What are the most common challenges of Agile adoption?
Don't let a rigid interpretation of the Agile Manifesto hinder Agile adoption. Learn to view the challenges of Agile as opportunities for change and growth. Continue Reading
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Blog Post
07 Sep 2025
How to code a tic-tac-toe game in Java
The best way to learn to code? Code up some fun games from your childhood. Here's how to code the popular tic-tac-toe game in Java. Continue Reading
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Quiz
04 Sep 2025
10 questions for AWS Certified Cloud Practitioner exam prep
Technical IT professionals could benefit from an AWS Certified Cloud Practitioner certification on their resume. These 10 questions can help gauge your exam readiness. Continue Reading
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Video
03 Sep 2025
Amazon Bedrock tutorial for agentic AI in AWS
Looking to build an AWS-based agentic AI application? Then look no further than Amazon Bedrock and it's machine learning capabilities. Continue Reading
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Blog Post
03 Sep 2025
How to install SQLite on Windows
SQLite is as easy to install on Windows as it is to use. Simply download the precompiled binaries and tools from sqlite.org, extract them to a sensible folder and add that folder to the PATH of the ... Continue Reading
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Blog Post
02 Sep 2025
How to git clone a specific branch
Need to git clone a single, specific branch? In this quick example, we show you how to git clone a specific branch to help save your builds time and space. Continue Reading
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Blog Post
01 Sep 2025
System, global and local Git config files on Windows and Linux
Ubuntu, Linux and Windows Git configuration files are an unwieldy mess. Or at least is seems that way when you realize it's contained in three uniquely named files and spread across three or four ... Continue Reading
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Blog Post
31 Aug 2025
Git push new local branch to remote
Did you create a new Git branch? Need to push that local Git branch to a remote repo like GitHub, BitBucket or GitLab? This example shows you how to git push new local branches remotely. Continue Reading
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Blog Post
31 Aug 2025
GitKraken tutorial for beginners
Who needs a GitKraken crash course? For those who want a top-tier Git GUI tool that can help accelerate software development, this GitKraken tutorial for beginners is for you. Continue Reading
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Blog Post
30 Aug 2025
Vibe coding a responsive website with Bootstrap and Cursor AI
One of the biggest challenges design teams and web developers face is turning Figma designs into responsive, professional-looking web pages that remain faithful to the original vision. Fortunately, ... Continue Reading
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Blog Post
30 Aug 2025
False positives vs false negatives in machine learning
What's the difference between a false positive and a false negative? It's an abstract concept in statistics, but it can have deathly implications in real world applications. Continue Reading
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Blog Post
30 Aug 2025
How to pass a any Scrum certification exam with a 100% score
There are no shortcuts to passing the Scrum master certification exam, but there is one trick that will help confident test takers get closer to a perfect 100% score. Continue Reading
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Blog Post
29 Aug 2025
Sourcetree tutorial for beginners
Need to learn Sourcetree and Bitbucket? This complete Bitbucket and Sourcetree tutorial will help you quickly master these industry leading Git tools. Continue Reading
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Video
25 Aug 2025
AWS Certified Cloud Practitioner practice exam
Looking to get AWS Cloud Practitioner certified? Then step through these 65 questions and prepare yourself for the test. Continue Reading
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Video
25 Aug 2025
Deploy apps faster with this AWS Elastic Beanstalk tutorial
AWS Elastic Beanstalk simplifies the deployment of Python, Ruby and Node.js applications. This tutorial shows how to quickly launch applications without complex setup procedures. Continue Reading
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Blog Post
23 Aug 2025
How to list and show the git stash history
Show your shelved change history with git stash list and show. Continue Reading
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Blog Post
22 Aug 2025
Are there really too many meetings in Scrum?
Some people say there are too many meetings in Scrum. If that's true, which one of the Scrum meeting types would you remove? Planning, reviews, the retrospective or the daily Scrum? Continue Reading
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Blog Post
21 Aug 2025
HTTP request methods explained
While there are almost 40 registered HTTP request methods, most RESTful web developers only use five of them. Here are the most important HTTP methods and examples of how to use them. Continue Reading
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Blog Post
21 Aug 2025
PUT vs POST: What's the difference?
What's the difference between PUT and POST methods? Here we compare POST versus PUT in terms of idempotence, URL usage, payloads and their use in RESTful APIs. Continue Reading
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Video
21 Aug 2025
Transfer out of GoDaddy and into Amazon Route 53
If you're using AWS for API gateways and S3 buckets, it makes sense to host your domain there as well. Here's how to transfer out of GoDaddy and into Amazon Route 53. Continue Reading
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Blog Post
19 Aug 2025
Critical Java JVM options and parameters
The easiest way to optimize your Java runtime is to supply correct JVM options and parameters. In honor of the Java 21 release, we examine the 21 most important Java JVM options you can configure. Continue Reading
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Blog Post
11 Aug 2025
AWS Certified Solution Architect practice exam questions
Interested in advancing your career as a certified, AWS Cloud Solutions Architect? This set of 10 solution architect questions and answers will let you know if you've got what it takes. Continue Reading
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Video
08 Aug 2025
Java, Spring Boot and AWS' Elastic Beanstalk
Think Java and Spring Boot applications are cumbersome to deploy? Let's let Amazon's Beanstalk put that myth to rest. Continue Reading
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Blog Post
04 Aug 2025
What is MVCC? How does multiversion concurrency control work?
Want to learn how multiversion concurrency control works? With a very simple MVCC example, we'll explain how to eliminate locks in databases including PostgreSQL and etcd. Continue Reading
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Blog Post
04 Aug 2025
How do you change the Spring Boot startup banner?
Tired of seeing that Spring Boot banner pop up every time you redeploy your microservices? Here's how to turn it off. Or even better, customize it to your liking. Continue Reading
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Blog Post
03 Aug 2025
How to rename a Git branch
Here's a quick example that shows you how to rename a Git branch locally and remotely. The branch renaming commands and techniques work with GitHub, GitLab, Bitbucket and any cloud-based Git vendor. Continue Reading
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Blog Post
01 Aug 2025
Clean Git up! Prune branches and shrink your Git repository
There comes a time where you must clean up Git branches, commits and the repository as a whole. Here we show you how to compact your Git repo and keep things clean. Continue Reading
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Blog Post
31 Jul 2025
How to 'undo a git add' before you commit
Want to unstage a file in Git? Use the restore command. Other options to have Git unstage a file from the index have unintended consequences you'd really rather avoid. Continue Reading
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News
29 Jul 2025
What Amazon Q prompt injection reveals about AI security
Experts say a malicious prompt injection in the Amazon Q extension for VS Code doesn't represent a fundamentally new threat, but reflects how AI amplifies security risks. Continue Reading
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Blog Post
27 Jul 2025
System.out in Java explained
New developers are often confused by the line of System.out.println() code they write when first introduced to Java. Here's a quick explanation of what System.out.println() means. Continue Reading
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Blog Post
27 Jul 2025
How to pass the AWS Cloud Practitioner Exam on your 1st try
Want to pass the AWS Cloud Practitioner exam on the first try? Here's some humble advice that will hopefully get you past the post and help you attain another AWS accreditation. Continue Reading
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Blog Post
25 Jul 2025
Hello World in Python vs Java
'Hello World' is a silly criterion to use when comparing programming languages. Yet here we are, comparing 'Hello World' in Java vs Python. We'll let you judge the winner. Continue Reading
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Blog Post
24 Jul 2025
How you can create an AWS account alias
Need to create, change or rename an AWS account alias? It's not too hard to do, and your users will thank you. Here are the steps to do it. Continue Reading
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Video
21 Jul 2025
AWS Auto Scaling tutorial
Interested in optimizing performance and cost for applications? Learn how to create launch templates and empower EC2 instances to scale with this AWS Auto Scaling tutorial. Continue Reading
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Blog Post
15 Jul 2025
Hibernate and JPA 3 CRUD example
Struggling to get your first JPA 3 application off the ground? Here's a quick Hibernate and JPA 3 CRUD example to help you get going with the latest version of the Java Persistence API. Continue Reading
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Video
14 Jul 2025
An Amazon Bedrock tutorial for beginners
Interested in generative AI development but don't want the overhead of managing infrastructure? This Amazon Bedrock tutorial might be the answer for you. Continue Reading
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Blog Post
11 Jul 2025
The difference between print vs println in Java
What's the difference between print and println methods in Java? Our examples show that it comes down to the fact that println adds a newline character to output, while Java's print method does not. Continue Reading
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Video
10 Jul 2025
How to create an AWS free tier account
Want to learn more about DevOps and cloud computing? Maybe get AWS-certified? The first step is to sign up for an AWS free tier account. This video tutorial shows how to do it. Continue Reading
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Video
10 Jul 2025
How to configure multiple AWS CLI authentication credentials
Need to configure multiple AWS accounts in the CLI tool? It's barely an inconvenience with the AWS CLI tool. Continue Reading
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Video
10 Jul 2025
Create an Amazon EKS cluster and deploy Docker containers
Docker deployment to EKS containers in AWS is much easier than you might think. This quick Amazon EKS tutorial shows you how. Continue Reading
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Blog Post
10 Jul 2025
How long is a Sprint in Agile?
The length of an Agile sprint is a topic development teams must figure out on their own, but from the Scrum perspective, Agile sprints should never go longer than a month. Continue Reading
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Blog Post
03 Jul 2025
Create your first Java AWS Lambda function in minutes
If you haven't created a Java-based AWS Lambda function before, you'll be amazed at how easy it is. This quick AWS, Lambda and Java tutorial will quickly get you started in the world of serverless ... Continue Reading
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Video
01 Jul 2025
Send SMS texts with Amazon's SNS simple notification service
Learn how to build a Python-based AWS Lambda function that uses Amazon SNS to send SMS text messages as notifications to your application users. Continue Reading
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Video
27 Jun 2025
Host a static website on AWS with Amazon S3 and Route 53
Want to quickly and affordably get your website hosted in the cloud? If you don't need advanced services such as EC2 or Fargate, a simple S3-hosted website might be the answer. Continue Reading
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Blog Post
06 Jun 2025
How Java instance main methods and unnamed classes work
Say goodbye to the public static void main method in Java 21 with the unnamed classes and instance main methods preview features. Continue Reading
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Feature
28 May 2025
Product vs. project mindset in software development
Agile and DevOps highlight the differences between project and product approaches to software development. Establish these roles and principles to deliver business value. Continue Reading
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Blog Post
23 May 2025
Scrum is not a framework
Scrum is not a framework. The Scrum Guide says so, users say so and even dictionary definitions say so. So why do Scrum evangelists defend this misnomer as though it were religious truth? Continue Reading
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Blog Post
21 May 2025
Obsolete vs. deprecated in software development
Ever wonder what is the difference between an obsolete component and a deprecated component? Here's the answer in the most concise terms you'll find. Continue Reading
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Blog Post
20 May 2025
How to use the Google Chrome color picker extension
Want to select a color from an image on a webpage? Or an HTML element? Here's how to use the Google Chrome color picker extension that comes packaged as part of the browser's built-in DevTools. Continue Reading
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News
19 May 2025
New GitHub Copilot agent edges into DevOps
The GitHub Copilot coding agent can take on toilsome tasks such as bug fixes and code reviews with its own GitHub Actions pull requests. Continue Reading
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Tip
19 May 2025
Get started with Amazon Q Developer
Amazon Q Developer is a versatile tool for software development, offering code generation, optimization recommendations and seamless integration with various IDEs and AWS tools. Continue Reading
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Blog Post
05 May 2025
2025 DevOps Roadmap
Want a lucrative career as a DevOps engineer? Follow this 2023 DevOps roadmap and master the key technologies that will put your skills in demand. Continue Reading
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Blog Post
05 May 2025
2026 full-stack developer roadmap
What does it take to get a career as a full-stack developer? This 2023 full-stack developer roadmap shows you the skills you need to developer to build your full-stack developer portfolio. Continue Reading
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Blog Post
03 May 2025
How the Spring @Profile annotation works
Everyone is used to configuring multiple properties files to support Spring profiles, but the Spring @Profile annotation allows you to control the Spring's dependency injection behavior at runtime too. Continue Reading
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Blog Post
01 May 2025
The right MySQL persistence.xml example file for JPA 3 and Hibernate 6
A quick migration from JPA 2.x to 3.x can become bottlenecked if the persistence.xml file is misconfigured. Here's what a proper persistence.xml file for JPA 3, Hibernate 6 and a MySQL database ... Continue Reading
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Definition
01 May 2025
What is distributed tracing?
Distributed tracing is a method used to track the journey of requests as they flow through a distributed system or microservices architecture. Continue Reading
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Blog Post
28 Apr 2025
How to use git stash pop
To move shelved changes from the Git stash to your working directory, the git stash pop command is preferred over apply, as pop will delete the stash in question, keeping the stash history clean. Continue Reading
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Blog Post
27 Apr 2025
2026 web development roadmap
Here's an easy-to-follow web developer roadmap that will guide you through the world of HTML, CSS and JavaScript based technologies. Continue Reading
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Tip
18 Apr 2025
Agile vs. Waterfall: What's the difference?
Is change good or bad? The manner in which you embrace change might influence whether you prefer Waterfall or Agile methodologies. Here we compare the two approaches. Continue Reading
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Tip
18 Apr 2025
10 cloud programming languages developers need to know
Cloud programming languages are not one-size-fits-all. Learn about the top cloud programming languages, and use our expert criteria to choose the best language for your workloads. Continue Reading
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Tip
09 Apr 2025
How to create an AWS Lambda function
Many developers are turning to AWS Lambda as an alternative to EC2 instances. Here are two ways to create a Lambda function. Continue Reading
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Definition
02 Apr 2025
What is a uniform resource identifier (URI)?
A uniform resource identifier (URI) is a character sequence that identifies a logical (abstract) or physical resource -- usually, but not always, connected to the internet. Continue Reading
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Blog Post
29 Mar 2025
Why is the Bootstrap grid system 12 columns wide?
Ever wonder why they created a 12-column Bootstrap grid system, and not 10 or 15? It's the same reason there's 60 seconds in a minute, or 360 degrees in a circle. Continue Reading
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Blog Post
28 Mar 2025
There's a new Java build system named Bld
Want to write your software build logic entirely in Java? A new build tool called Bld does exactly that, and Geert Bevin and Erik Thauvin are behind it. Continue Reading
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Video
17 Mar 2025
Story points and hours of effort in Scrum
Story points and hours help Agile teams calculate the amount of work and time estimated to complete tasks. Here's how these systems are different. Continue Reading
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Tip
05 Mar 2025
Top 5 Agile estimation techniques
Stakeholders want development teams to stick to rigid timelines, which doesn't align with Agile development. These five Agile estimation techniques can help bridge the divide. Continue Reading
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Video
03 Mar 2025
Build Java SOAP web services in Eclipse with Jakarta EE
REST-based web services are popular, but there's a home in modern enterprise architectures for SOAP-based web services. Here's how to build them using Jakarta EE in Eclipse. Continue Reading
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Video
20 Feb 2025
How to use the Spring Boot application.properties file
Need to externalize database configuration? Want to customize how Spring autoconfiguration works? The key to it all is Spring's application.properties file. Here's how to use it. Continue Reading
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Tip
19 Feb 2025
How do you plan an iteration in Agile software development?
Iterative planning in Agile helps teams to plan and adapt, collaborate, gather feedback and deliver to customers. Follow these tips to keep product development efforts on track. Continue Reading
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Video
05 Feb 2025
How to run Jenkins in a Docker container
Jenkins is arguably the world's most popular open source CI/CD tool. Docker is the most popular containerization technology. Here's how to bring the two together. Continue Reading
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Feature
30 Jan 2025
9 open source PaaS options developers should know in 2025
Open source PaaS is a good option for developers who want control over application hosting and simplified app deployment, but not all open source PaaS options are created equal. Continue Reading
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Tip
17 Jan 2025
11 key Agile metrics to ensure effective measurement
Agile metrics are crucial to help software development teams track speed, efficiency and quality. Here are some important ones, and how to combine them for best results. Continue Reading
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Video
13 Jan 2025
Install Eclipse on Ubuntu
Installing Eclipse on Ubuntu has never been easier, and the latest version of Eclipse has never been better. Here's how to get started with these two popular open source tools. Continue Reading
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Tip
13 Jan 2025
34 must-know Agile terms
Agile is the cornerstone of countless development efforts today. Use this definitive glossary as a quick reference for Agile terminology and concepts. Continue Reading
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Video
10 Jan 2025
Install Java's JDK on Ubuntu
It's incredibly easy to install Java 21 on the latest version of Ubuntu. A single command will do it. Continue Reading
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Quiz
17 Dec 2024
Professional Scrum Developer exam questions and answers
Professional Scrum Developer is a highly respected certification, but it's not easy to get. Take this sample PSD exam to test yourself and see how prepared you are for the exam. Continue Reading
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Tip
13 Dec 2024
7 Scrum certifications and career paths to pursue
Learn about the various Scrum certifications for Scrum masters, product owners and developers. Discover career paths that map to those certifications. Continue Reading