Home » Author Archives: Keyhole Software

Author Archives: Keyhole Software

Keyhole is a midwest-based consulting firm with a tight-knit technical team. We work primarily with Java, JavaScript and .NET technologies, specializing in application development. We love the challenge that comes in consulting and blog often regarding some of the technical situations and technologies we face.

Avoid Perpetuating These Things In Your Code

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At some point in your career you will find yourself leaving the project you’re on and heading to new challenges (for better or for worse). Whether that is you taking another role with a different company or team, or if it’s the company you’re with outsourcing that project to other teams or even to another country. Regardless of the reason, ...

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Netty: A Different Kind of Web(Socket) Server

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Netty is used today in all kinds of applications, all over the Internet, to handle thousands (if not millions) of chat conversations, multiplayer games including Minecraft, Twitter, and many other applications. However, it hasn’t made it very far into the mindshare of enterprise programmers developing business applications. I believe that Netty can introduce a new wave of functionality that other solutions ...

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Agile Team Member Anti-Patterns

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In this blog post, I examine Agile team member roles and explain what I see as behaviors, or “anti-patterns,” that are detrimental to the Agile process. It is my goal to avoid a negative tone and, instead, emphasize that these are behaviors that can be changed for the better of the team. However, we can not change these behaviors unless ...

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Do Primitives Need To Go?

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I am currently working on an enterprise application using JSF as the view technology and JPA for the persistence layer. It may have been something in a backing bean or service method, but it struck me: Is there a good reason to use primitives anymore in enterprise applications? When I started programming with Java around J2SE 1.2 (or was it ...

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XML Manipulation With XML Copy Editor

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The XML document format, created in 1996, is still widely used to facilitate communication between disparate systems (though for certain implementations is somewhat being replaced by JSON). As a Java developer, I generally interface with data in an XML document via a DOM parser, but there are occasions where being able to manipulate an XML document directly is advantageous or ...

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Caching Strategy Reminder for Maven-Based Docker Builds

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My local development feedback loop between code change and runnable container was annoyingly long on a Maven-based project I was recently working on. I wanted to speed things up. The scenario was something like this:             touch/change some source code docker build maven downloads the world maven compiles my project docker run touch/change some source ...

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Checking Sanity in TDD Testing

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Whether you’re in the process of fully adopting Test Driven Development (TDD), providing unit tests after you have written your code, or something in between, the question that you will soon ask is: “What should I be testing?” The simplest answer to me is: any place where you can isolate and test just your code. In my opinion, Test-Driven Development ...

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Docker: VMs, Code Migration, and SOA Solved

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It’s rare that a piece of software as new as Docker is readily adopted by startups along with huge, well established companies. dotCloud, the company that created and maintains Docker, recently nabbed $40 million in funding. Microsoft also announced on 11/18 a Docker CLI for Windows. Docker will also play a central role in Azure as well as the next ...

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Someday Is a Lie

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“You don’t have a time machine— you’re living the same twenty-four hours we all are. You can barely make it through your day with all the current things there are to do; when is “someday” finally going to arrive? The answer is, of course, never. Today is it.”  - Andrew J. Mellen, “Unstuff Your Life!” If you’re a software professional, you’ve probably ...

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Using PouchDB for Offline/Data Sync

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Recently the term “Mobile First” received additional notoriety as the new CEO of Microsoft proclaimed the company’s shift in focus. As I’ve been researching mobile frameworks lately, I’ve run across another term – “Offline First.” As much as you may be online with your mobile phone or tablet, inevitably there will be times when you’re not connected, but still need ...

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