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Preview: JAW Speak

JAW Speak

Jonathan Andrew Wolter

Last Build Date: Sun, 13 May 2012 19:45:14 +0000


Improving developers enthusiasm for unit tests, using bubble charts

Sun, 17 Jul 2011 00:35:45 +0000

Reading time: 4 – 6 minutes The Idea Visualize your team’s code to get people enthused and more responsible for unit testing. See how commits contribute to or degrade testability. See massive, untested checkins from some developers, and encourage them to change their behavior for frequent, well tested commits. Several years ago I worked with Miško Hevery, [...]

Book: Power: Why Some People Have It-and Others Don’t

Fri, 20 May 2011 08:18:50 +0000

Reading time: 4 – 6 minutes Power: Why Some People Have It-and Others Don’t by Jeffrey Pfeffer My rating: 3 of 5 stars It is an easy read with interesting examples. If you dislike the title, consider how the world is political, and it is in you interest to know the power games other people will play. A few [...]

Book Review: The McKinsey Mind. Focusing on Mutually Exclusive Collectively Exhaustive thinking

Sun, 01 May 2011 08:14:27 +0000

Reading time: 4 – 6 minutes The McKinsey Mind: Understanding and Implementing the Problem-Solving Tools and Management Techniques of the World’s Top Strategic Consulting Firm by Ethan M. Rasiel My rating: 4 of 5 stars Worth reading. Especially if you are in consulting. I like the beginning of the book especially, and will be turning back to some [...]

Book Review: The Unimaginable Mathematics of Borges’ Library of Babel

Sat, 30 Apr 2011 17:38:37 +0000

Reading time: 1 – 2 minutes This book is *awesome*! Why? The author takes a short story, “The Library of Babel,” by Jorge Luis Borges and analyzes it along many different mathematical dimensions. The results are stimulating and accessible to non-mathematicians. The story is about a library, which is composed of: An [...]

Sukrupa in Bangalore, an AMAZING organization, and ThoughtWorks

Mon, 18 Apr 2011 19:49:33 +0000

Reading time: 3 – 5 minutes I’ve been living in Bangalore since October. First training at ThoughtWorks University (TWU), now working for a UK client. The people and work has been amazing. Best of all is what we have done with Sukrupa. Six years ago next month I was in Bangalore, volunteering with the non profit Sukrupa, [...]

Web Caching Design: Cache keys should be deterministic

Mon, 06 Dec 2010 09:20:52 +0000

Reading time: 2 – 2 minutes Following up on my previous post on Session State, there are a few conceptual ways to think about caches that I want to cover. Cached items can be placed in session. That may be the easiest, but soon it will expose limitations. For instance, session may be serialized as one big [...]

Spring Slow Autowiring by Type getBeanNamesForType fix 10x Speed Boost >3600ms to

Sun, 28 Nov 2010 09:25:28 +0000

Reading time: 4 – 6 minutes We’re using Spring MVC, configured mostly by annotations, a custom scope for FactoryBeans so they don’t get created once per request, and autowiring by type. This makes for simple code, where the configuration lives right along where it is configured, however after a certain number of autowired beans, performance was [...]

Spring Bean Autowiring into Handler/Controller Method Arguments

Sat, 20 Nov 2010 09:13:49 +0000

Reading time: 2 – 4 minutes We request scope controllers in our Spring MVC web application, and then spring injects in collaborators. Each request builds up an object graph of mostly request scoped components, they service the request, and are then garbage collected. Examples of collaborators are Services, request-scoped objects like User, or objects from session. [...]

Some Problems with Branch Based Development, And Recommendations

Sun, 07 Nov 2010 13:00:28 +0000

Reading time: 3 – 4 minutes As I have previously written, I dislike branch based development (especially when it involves subversion and long lived feature branches). Sometimes projects have multiple teams concurrently working in the same codebase, each on different release schedules. For example, team “Delta Force” will go live in a year, with [...]

Subversion Branch Merging and Tree Conflicts

Sat, 06 Nov 2010 08:58:43 +0000

Reading time: 2 – 4 minutes I’ve written several times about how I recommend avoiding long lived feature branches. But, if you have to use these, you might run into a problem with subversion identifying unmergable tree conflicts. I think this has been fixed in current versions of subversion, but let me walk through a conceptual [...]