Simon Willison’s Weblog

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Items tagged programming, softwareengineering

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How can I convince my boss that I should dedicate time to clean an important part of our code base?

It sounds like your boss needs to learn about the concept of Technical Debt: http://www.codinghorror.com/blog...

[... 42 words]

Will a professional programmer lose anything if he doesn’t learn object oriented programming?

Yes. OOP is a very important programming concept—a professional programmer who is not familiar with it will be unable to understand vast swathes of high quality existing code and will have a great deal of trouble passing interviews or contributing effectively at great companies.

[... 95 words]

What is the best resource for someone who is non-technical to learn about computer programming/creating software?

Learn to program. You don’t need to learn programming to the standard where you could work professionally as a software engineer, but having enough programming knowledge to write some simple programs and automate some simple tasks will make you enormously more capable when it comes to working with programmers—or in business life in general.

[... 135 words]

Which web/software development conferences a student should attend and why?

Offer to volunteer at conferences. If accepted, you’ll get in for free and you’ll get to meet loads of people (including spending time with the speakers)—in exchange for a full days work manning desks, finding speakers in time for their talks, giving people directions and generally helping organise and clean things up.

[... 104 words]

What are the most commonly used or most interesting open-source packages and software?

I’d say the open source browser engines, Gecko (Firefox) and WebKit (Safari, Chrome, iOS, Android) are probably some of the most important and widely used pieces of open source code these days.

[... 51 words]

To become a better developer ? To read more OR to create/contribute to open source projects?

Contribute to an existing project, rather than starting one yourself. There are a bunch of benefits:

[... 231 words]

Did Mark Zuckerberg have any knowledge on building scalable social networks prior to starting work on Facebook?

I’m going to bet he didn’t have this knowledge, simply because back when he launched Facebook in 2004 almost NO ONE had this knowledge—there simply weren’t enough “web scale” products around for the patterns needed to run them to be widely discussed.

[... 143 words]

What’s the difference between a software engineer, developer and programmer?

Absolutely nothing. Job title differences like those only really matter when working for a large organisation that sets compensation based on title—in which case you want to figure out which title gets you the best deal at that particular company.

[... 58 words]

What are the main weaknesses of Ruby as a programming language?

Ruby still has a cultural tendency towards monkey-patching, aka action-at-a-distance. There are plenty of gems which modify existing classes—sometimes in ways that can break working code.

[... 45 words]

What is a painless way for a non-Unix programmer to get started learning Unix or GNU/Linux?

I’d suggest getting yourself an Ubuntu virtual machine running on your own laptop—VirtualBox is free, so that’s a good starting point. That way you can play with Linux all you like without fear of breaking anything, since you can always delete the image or roll back to a snapshot.

[... 73 words]

Is it important for modern programmers to know how to use Unix? Why?

I’d say yes. If you do any kind of server-side development, Linux/Unix etc UNIX (links to: /topic/Unix), etc., is where most of the exciting innovation is happening. Tools like HadoopApache Hadoop (links to: /topic/Apache-Hadoop), RedisRedis (links to: /topic/Redis), MongoDBMongoDB (links to: /topic/MongoDB), nginxnginx (links to: /topic/nginx), git etc Git (links to: /topic/Git-version-control-1), etc., all come from a Unix UNIX culture, and not knowing your way around a command line makes it much harder to get to grips with them.

[... 110 words]

Will Redis support per-database persistence configuration?

I don’t know if that’s on the roadmap (you’d need to ask antirez on the mailing list or Twitter), but it should be easy enough to run multiple Redis instances with different settings—especially on a multi core machine.

[... 52 words]