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Modernization: COBOL Batch Processing to Spring Batch

Keyhole Software Banking & Finance, Java, Mainframe, Modernization, New Development, Spring Batch

The Keyhole team worked to modernize the organization’s enterprise batch processing applications. This project included converting a long list of COBOL batch processing applications into Java-based batch applications using the Spring Batch framework. The project encompasses a wide range of tasks from calculating and assessing fees, to processing large vendor fees, and running recon reports.

Handlebars – A More Dynamic Way

Dagin Fullmer Articles, Development Technologies & Tools, JavaScript, Single-Page Application, Tutorial Leave a Comment

Handlebars.js is a popular templating engine based on the Mustache template language. In this blog, we will explore how Handlebars is a dynamic template creation tool and what benefits logic-less templates afford us. During our discussion we will cover Handlebars’ precompiling, partials, and helpers, and how each supports or contradicts dynamic and logic-less templates…

An Introduction To Underscore.js

Nick Brown Articles, BackboneJS, Development Technologies & Tools, JavaScript Leave a Comment

Underscore is a JavaScript utility library with many useful functions to handle common programming use cases. In this blog, I discuss some of the more useful functions I have found inside of Underscore. Some of the benefits are less apparent in smaller and simpler code chunks. But, as the complexity of the code increases, this is where Underscore really shines as the useful toolbox that it is…

Getting Started With JHipster, Part 2

Matt McCandless Angular, Articles, Development Technologies & Tools, Java, JavaScript, JHipster Series, Microservices, Spring Boot Leave a Comment

In part two of this series, we create a microservice architecture using JHipster’s available options for doing so. There is quite a bit more work to do with this approach as compared with the monolithic approach. But, in the end, it pays off. You will see the benefits and flexibility in decoupling our different layers of our architecture. Each layer will not be dependent upon another to run. Let’s get started…

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Blood, Sweat, and Writing Automated Integration Tests for Failure Scenarios

Billy Korando Articles, DevOps, Java, Opinion, Programming, Spring, Tutorial 3 Comments

I introduce the process I went through to diagnose the bug and determine the correct integration test solution to fix it the right way. In doing so, I had to create a test that accurately reproduced the scenario my service was experiencing in PROD. I had to create a fix that took my test from failing to passing. And finally, I worked to increase confidence in the correctness of code for all future releases, which is only possible through automated testing.