Problem solve

Problem solve

Get help with specific problems with your technologies, process and projects.

• Just git reset and push when you need to undo previous local commits

  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? Continue Reading

• Maven Checkstyle Plugin example: How to enforce Java quality rules

  Java Checkstyle rules can be applied to every build to ensure developers are following source code quality rules correctly. This Maven Checkstyle Plugin tutorial shows you how. Continue Reading

• How to revert a git commit: A simple undo changes example

  The best way to undo previous changes to the source code repository is to learn how to revert a git commit. Continue Reading

• JPA and Hibernate enum mapping with annotations and the hbm.xml file

  Ever since they were introduced in Java 5, enums have been catching developers off guard. How do you perform JPA and Hibernate enum mapping with annotations or even XML files? It's actually not ... Continue Reading

• Fix broken builds with this log4j Maven dependency example

  DevOps professionals need to know how Maven dependency management works. This log4j Maven dependency example demonstrates how to use Maven Central and resolve external libraries. Continue Reading

• Quality and consistency key to self-driving car technology

  How do you test self-driving car technology when the consequences of an error can be fatal? Here are some best practices for testing automotive apps and self-driving car software.Continue Reading

• Fix SonarQube's 'jvm.dll is missing' and 'missing server JVM' startup error

  Hitting a 'jvm.dll is missing', 'jvm.dll not found' or a 'missing server JVM' error as you try to start Java apps such as Eclipse or SonarQube? Here's the fix.Continue Reading

• New IDE tools to visualize code may accelerate app dev

  IDE tools for code visualization have always been difficult to implement. But given the benefits, new tools have emerged to make it possible to easily visualize your code.Continue Reading

• Spring creator Rod Johnson releases API for implementing DevOps

  Find out about Rod Johnson's latest project, which promises to simplify the process of implementing DevOps and streamlining the workflow between development and operations.Continue Reading

• The best way to start creating cloud-native Java applications

  How do software engineers transition traditional Java EE development into a world of cloud-native Java? Heptio's Craig McLuckie provides insights on transitioning.Continue Reading

• What's the best image optimization for web and mobile apps?

  When it comes to images and application development, the optimization opportunities are endless. Expert George Lawton outlines the choices and the challenges.Continue Reading

• How to remove plain text passwords for a secure Java code base

  Here are some strategies to remove plain text passwords from configuration files and your code base. It's one way a secure Java app can deter a malicious attack.Continue Reading

• How a data cache can solve your JavaScript performance problems

  There are many barriers to improved web application performance, but using a data cache effectively can break down many of those performance barriers.Continue Reading

• What to do if Amazon is down, because your S3 apps don't have to be

  Just because Amazon is down doesn't mean your S3 apps have to be. Here are some tips and strategies for protecting yourself against the next Amazon S3 outage.Continue Reading

• Amazon S3 outage a Fukushima moment for cloud computing

  The Amazon S3 outage has turned into the Fukushima moment of cloud computing, as users re-evaluate the cloud's long-term viability.Continue Reading