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The Truth Behind the Big Exceptions Lie

Exceptions are probably the most misused Java language feature. Here’s why Let’s break some myths. There is no tooth fairy. Santa isn’t real. TODO comments. finalfinalversion-final.pdf. Soapless soap. And… Exceptions are in fact exceptions. The latter might need some more convincing, but we got you covered. For this post, we asked Avishai Ish-Shalom, an experienced systems architect and a longtime ...

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Ready, Fire, Aim: How most gather requirements

Connecting with your customers and delivering value depends on understanding your customer’s requirements and selling the correct product or solution that solves your customer’s problems. Commonly, the requirements gathering process is done hastily or not at all in the rush to get the sale. After all, the faster you can make the sales process go, the faster the money is ...

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Conjunctions we… hate

Recently I’ve written about implementation-related names and I’ve presented a few examples where the method name was incorrect because of its strong relation with the body. At one moment, we had the following code: boolean isComplexOrUnreadableWithTests() { return (complex || unreadable) && tests.exist(); } Just to remind you of the context: it was supposed to find out whether we may ...

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Why I Prefer Merge Over Rebase

There are many ways to work with git. The workflows vary depending on the size of the team, organization, and on the way of working – is it distributed, is it sprint-based, is it a company, or an open-source project, where a maintainer approves pull requests. You can use vanilla-git, you can use GitHub, BitBucket, GitLab, Stash. And then on ...

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Dev-Sec.io Automated Hardening Framework

Automated configuration management tools like Ansible, Chef and Puppet are changing the way that organizations provision and manage their IT infrastructure. These tools allow engineers to programmatically define how systems are set up, and automatically install and configure software packages. System provisioning and configuration becomes testable, auditable, efficient, scalable and consistent, from tens to hundreds or thousands of hosts. These ...

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5 Ways to NOT F**K Up Your Microservices in Production

Java developer? Takipi replaces logging in production JVMs and lets you see the source code, call stack, and variable state behind all logged errors, warnings, and exceptions – Try Takipi The dark side of microservices: What can possibly go wrong? It seems like everyone are into microservices these days, while monolith architectures are just as popular as crumbling down old ...

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AutoValue: Generated Immutable Value Classes

The Google GitHub-hosted project AutoValue is interesting for multiple reasons. Not only does the project make it easy to write less Java code for “value objects,” but it also provides a conceptually simple demonstration of practical application of Java annotation processing. The auto/value project is provided by Google employees Kevin Bourrillion and Éamonn McManus and is licensed with an Apache ...

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How To Implement hashCode Correctly

So you’ve decided that identity isn’t enough for you and wrote a nice equals implementation? Great! But now you have to implement hashCode as well. Let’s see why and how to do it correctly. Equality and Hash Code While equality makes sense from a general perspective, hash codes are much more technical. If we were being a little hard on ...

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[MEGA DEAL] Complete Linux System Administrator Bundle (96% off)

From Installation to Administration–118 Hours of Training to Become a Linux Pro Hey fellow geeks, This week, on our JCG Deals store, we have an extreme offer. We are offering the Complete Linux System Administrator Bundle for only $69 instead of the original price of $2,100, yeap that is a massive 96% off. Take your Linux abilities to the next ...

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What’s the Difference? Creating Diffs with JGit

In this post, I will dig into the details of how to diff revisions and create patches with JGit. Starting from the high-level DiffCommand all the way down to the more versatile APIs to find particular changes in a file. DiffCommand, Take I The diff command can be used to compare two revisions and report which files were changed, added ...

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