Blog: the code whisperer (J. B. Rainsberger)


216 blogs updated: 55 min. ago
Renaming Magically With zmv
I just learned about zmv and I love it. If you already know about zmv or you already love rename, then don't waste your time reading this. S...
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23-11-2017 08:37:59 the code whispere ... (J. B. Rainsberger) Agile & Testing
The Eternal Struggle Between Business and Programmers
At redev 2013, I asked managers to tell me what makes their job difficult. I spoke to one manager who told me that they face immense pressur...
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21-11-2017 21:27:56 the code whispere ... (J. B. Rainsberger) Agile & Testing
The Myth of Advanced TDD
"I want to get a lot of wisdom on TDD techniques". Many people ask me about this, especially when they sign up for my mailing list. They wan...
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16-11-2017 11:32:59 the code whispere ... (J. B. Rainsberger) Agile & Testing
The Pain of Implicit Dependencies
Legacy code imposes an unbounded, inexact tax on the cost of all future features. This explains why I run events like Legacy Code Retreat, b...
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03-11-2017 19:39:16 the code whispere ... (J. B. Rainsberger) Agile & Testing
Guard Rails, Not Prison Bars
A recent experience with a hotel coffee machine illustrated one primary difference of philosophy related to software design. It's a Keurig m...
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18-08-2017 19:51:21 the code whispere ... (J. B. Rainsberger) Agile & Testing
Demystifying the Dependency Inversion Principle
Another "demystifying" article. Great! I know bear with me. Of the SOLID principles, the Dependency Inversion Principle remains somewhat mis...
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13-07-2017 18:48:25 the code whispere ... (J. B. Rainsberger) Agile & Testing
Getting Started with Contract Tests
Today's article answers a question that I received recently. Hey, I attended a talk of yours about continuous delivery. One of the main take...
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27-06-2017 00:59:12 the code whispere ... (J. B. Rainsberger) Agile & Testing
When Subclasses Are Ready To Die
I don't like to inherit implementation (create subclasses).1 When refactoring class hierarchies, I often pull behavior up into superclasses,...
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10-05-2017 20:49:48 the code whispere ... (J. B. Rainsberger) Agile & Testing
Taking a Pragmatic View of Isolated Tests
I've been teaching programmers about the value of isolated tests for a long time, and recently I've seen increasing resistance to the idea. ...
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17-03-2017 21:22:59 the code whispere ... (J. B. Rainsberger) Agile & Testing
Deploying Jekyll to Heroku using GitLab CI
Following is not only a tutorial, but also an example of the notes that I take when I figure out how to do something. In here you'll find Le...
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14-02-2017 01:10:20 the code whispere ... (J. B. Rainsberger) Agile & Testing


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