Author Archives: tim

Java Self Loathing

Posted on January 18, 2018 by tim

Oracle hates its own product so much (Java) that it actively discourages people from ever running it. This is apparent in the JNLP dialogs you get when starting an application for the first time. Can you spot the difference? Both … Continue reading →

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RIP REST

Posted on January 10, 2018 by tim

2018 resolution: Say RIP to REST – aka “the year of RIP REST” The specific resolution – only use “REST” casually, as a synonym for “client-server” REST has had a pretty good run. The PhD dissertation was published in 2000. … Continue reading →

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Vue.js carousel State Fair

Posted on September 9, 2017 by tim

This is the announcment page for Minnesota State Fair Space Tower. This was the “next level of difficulty” for Vue.js. It involved using vue-cli to create the webpack-simple basis for the project, then learning how to incorporate components into the … Continue reading →

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The future of AngularJS and Angular 2

Posted on September 6, 2017 by tim

It has been fun developing AngularJS applications. It was the first complete framework that was both a higher level of abstraction than jQuery and easy enough (not “easy”, per se) to learn and use. You can even play with my … Continue reading →

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Should REST and microservice APIs be Versioned?

Posted on September 6, 2017 by tim

This is a very lively topic. The starting point for these questions must be: in our world (enterprise grade computer science), what isn’t versioned? The answer to that is: everything is versioned. Therefore, the actual question splits into two parts: … Continue reading →

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Is Spring RestTemplate Thread Safe

Posted on August 6, 2017 by tim

Is Spring RestTemplate Thread Safe? The only correct answer to this question is: No A quick look at the source (the link is tied to a specific version so the line number is always correct) on line 230 shows the … Continue reading →

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Hadoop Terasort VirtualBox benchmarks

Posted on August 6, 2017 by tim

Setup: 3-node hadoop (hdp v2.6.1), installed via Ambari 2.5.1 and running in VirtualBox 5.1 on one physical machine. The terasort is traditionally run on 1 terabyte of random data (SIZE=10,000,000,000). In 2008, Yahoo! ran terasort on 1TB of data in … Continue reading →

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Secret Share 1.4.3 on Maven Central

Posted on July 8, 2017 by tim

Secret Share in Java on Maven Central Just completed a release of the Secret Share in Java project to Maven Central. Search for it using search.maven.org. Or, go to SecretShare-1.4.3 directly. GroupId: com.tiemens ArtifactId: secretshare Version: 1.4.3 This release adds … Continue reading →

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Real World Debugging Exercise

Posted on December 15, 2016 by tim

Just completed the Real World Debugging Exercise. It is a static page on this site (just like the Lot Area Calculator).

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VirtualBox USB Flash for ZFS

Posted on November 24, 2016 by tim

To set up your USB Flash drives as pass-through in VirtualBox, here is what you can do. Next, plug in your flash drive and record its device. For me, it was /dev/sde. Look in /var/log/syslog, or dmesg output, for the … Continue reading →

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