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by indymike 2242 days ago
I love this article.

My most recent bizarre bug: a coworker came to me with a bug where no matter what he tried, he could not get an if some_var is null to be true. The debugger would show the value was null. The logger showed the value was null, but the if statement would not work. After a morning of trying to fix it, he asked if I would take a look. I told him to put the null in quotes in the if. It worked. Turned out a JavaScript library had a bug where it would use the string "null" instead of null.
2 comments
imjared 2242 days ago
There's a popular progressive API I've been forced to work with that uses "true" and "false" instead of their respective booleans. The most egregious that I've ever seen in this class of errors was an API (from Google!) that returned " false".
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russfink 2242 days ago
Also watch for code that runs off the edge of the screen, to the right, while editing in an app with horizontal scroll bars.
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