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I’m Joel Spolsky, a software developer in New York City. More about me. Read the archives in dead-tree format! Many of these articles have been collected into four books, available at your favorite bookstore. It’s an excellent way to read the site in the bath, or throw it at your boss. Ready to level up? Stack Overflow Jobs is the job site that puts the needs of developers first. Whether you want
Have you ever heard of SEMA? It’s a fairly esoteric system for measuring how good a software team is. No, wait! Don’t follow that link! It will take you about six years just to understand that stuff. So I’ve come up with my own, highly irresponsible, sloppy test to rate the quality of a software team. The great part about it is that it takes about 3 minutes. With all the time you save, you can go
Sometimes I just can’t get anything done. Sure, I come into the office, putter around, check my email every ten seconds, read the web, even do a few brainless tasks like paying the American Express bill. But getting back into the flow of writing code just doesn’t happen. These bouts of unproductiveness usually last for a day or two. But there have been times in my career as a developer when I went
Do that 100 times; each total has 1% probability, and now you can figure out the probability that you will ship on any given date. Now watch what happens: In the case of the mythical perfect estimator, all velocities are 1. Dividing by a velocity which is always 1 has no effect. Thus, all rounds of the simulation give the same ship date, and that ship date has 100% probability. Just like in the fa
Last week, Microsoft published the binary file formats for Office. These formats appear to be almost completely insane. The Excel 97-2003 file format is a 349 page PDF file. But wait, that’s not all there is to it! This document includes the following interesting comment: Each Excel workbook is stored in a compound file. You see, Excel 97-2003 files are OLE compound documents, which are, essential
“You were lucky. We lived for three months in a brown paper bag in a septic tank. We had to get up at six in the morning, clean the bag, eat a crust of stale bread, go to work down the mill, fourteen hours a day, week-in week-out, and when we got home our Dad would thrash us to sleep with his belt.” — Monty Python’s Flying Circus, Four Yorkshiremen When I was a kid, I learned to program on punched
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