All entries of my technical and business blog.

Do Not Calculate Answers to Your Unit Tests

Since you’re a programmer, you’re always looking for ways to be a bit more efficient. Because of this, it can be easy to fall into the trap of being too programatic, too calculation-heavy in your unit tests. But, this isn’t a test then - its just another block of quite fallible code. Let’s talk about why and show what to do instead. (more…)

Who Do I Tell "I don't know" To?

When interviewing a junior programmer a couple weeks ago, I was asked a very insightful question: “Who can I tell ‘I don’t know’ to?” At first, I wasn’t sure what they were exactly aiming at with the question. But, as I formulated an answer, I realized this was a great question. Let me share a longer version of the answer with you. (more…)

Coming Up With Your First Portfolio Project (with coding walkthrough)

When talking to junior developers, I hear the same question over and over: “how can I demonstrate what I know, or show experience, if I haven’t had any gigs yet?” Old-timers tell you to build a portfolio, but how do you do that? Where do you get ideas? How do you choose a project that’s not overwhelming? Let me explain my rationale as well as demonstrate how I might make my first portfolio project. (more…)

Seeing Calculated Values of CSS Variables in Browsers

CSS contains custom properties or variables which make style reuse a breeze. But, when you use the inspector on your favorite browser, you only see a definition of the variable, not the value itself. If you want to see the value of the variable, it just takes an extra step or two in your favorite browser. Let me show you how. (more…)

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