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The 7 deadly sins of software development

Magne Land, RightScale — Sat, 02 Jun 2012 16:00:14 +0000

Companies today are often so focused on growth that they commit one (or several) software development sins. As a developer at RightScale, a SaaS cloud management solution, I have borne witness to, and at times even been guilty of, the following temptations.

1. Lust

Getting other people to lust after your products can be very profitable. But software developers often lust for perfection, which can cause major problems. Mitch Kapor’s failed personal information manager, Chandler, is a good example of how this kind of desire can lead to a downfall. Kapor had founded Lotus, and Chandler was supposed to be the ultimate PIM. The project had plenty of upfront funding, wizard programmers and no real deadlines. These endless resources gave the team the illusion that perfection was achievable. But perfect never happens in software, because it’s fractal in nature. You can spend an infinite amount of time optimizing a very small part of the whole program. Chandler ultimately failed, because they were building a product that no user had asked for. By the time version 1.0 finally shipped, the rest of the world had already moved to the cloud and mobile devices.

2. Gluttony

Every company and developer is aware of software bloat, but many don’t understand how bad it really is. The problem is that hardware is improving so fast that developers believe they can afford to be gluttons of CPU cycles and memory. However, the sticking point is power consumption. Battery technology is only slowly improving, and cloud computing by itself does not conserve energy. So, writing smaller programs that consume fewer resources is about the greenest thing that you can do as a programmer. Also, if we assume that the average number of bugs per line of code is constant, then smaller is in fact better.

3. Greed

Arguably, we are in another valuation bubble right now, especially in the IPO market, and it’s easy to get greedy. The problem is that greed leads to short-term goals, which leads to technical debt and long-term slowness. The more features we hack in, the harder it becomes to maintain the whole product. Especially with large customers, it’s easy to bow down and implement a custom feature or one-off that may have a negative return on investment in the long run. If your one large customer decides to leave, what are you left with? Think strategically, and remember that your customers will appreciate a rock-solid product – they are rarely expecting it.

4. Sloth

Sloth is apathy, not laziness. An apathetic programmer is the arguably the most detrimental, because he has zero interest in quality. On the other hand, a lazy programmer can be a good programmer, because laziness can drive long-term efficiencies. For example, if I’m too lazy to type in my password everywhere, I might create a single sign-on feature. Or, if I’m too lazy to manually deploy software, I will instead write an automatic deployment tool. Laziness and scalability go hand in hand.

5. Wrath

Although many software engineers seem peaceful, underneath the surface often lurks a passive aggressive personality. Take a look at source code comments to see examples of this hidden hostility. Usually profanity in source code is proportional to technical debt. However, it is vital that your engineers are not milquetoasts. Beware of the programmer who does not ask questions or who will use any text editor willingly. Good programmers have strong opinions about almost everything, but they also appreciate lively debates.

6. Envy

Envy can be very dangerous in software development. Envy for other products often leads to feature creep. If someone mentions feature parity, you should ask, “But do we need it?” The ultimate killer feature is simplicity, but simple to use is hard to design. Also, it is easy to lose focus when you are constantly watching what other companies are doing. Imagine building towers out of Legos. Would you rather build one tower at a time or many towers in parallel? The parallel approach only works if the towers are identical. Otherwise, you spend too much time context switching. Agility is not the same as half-baked. And doing one thing well is still underappreciated.

7. Pride

On a small scale, excessive pride can lead to “just trust me” behavior that adds risk to the system. On a large scale, it can lead to missing the next megatrend. When your employees start laughing at your customers, watch out! A lot of great companies have fallen due to excess pride. If your company rule is no hot patching of a production system, be assured that there will be a “trusted elder” who does exactly that on a regular basis. And eventually that behavior will lead to a system crash. When your small startup is finally king of the hill, just remember: Only the paranoid survive.

Magne Land is currently the scrum master and tech lead at RightScale, a provider of multi-cloud management. Prior to RightScale, he worked for Citrix as a software engineer. Land enjoys running up the hills of Santa Barbara, doing 200-mile relays and drinking beer afterwards.

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Mobile data a fascinating and scary opportunity

Tom Krazit — Thu, 22 Mar 2012 21:44:52 +0000

We’re walking around with sensors in our pockets: those of us carrying smartphones, anyway. There are huge opportunities for companies to improve existing services and create new ones with the huge amount of data provided by mobile computers, assuming, of course, that you avoid freaking out your users.

“What’s so interesting about mobile data is how personal it is,” said Michael Driscoll, CEO at MetaMarkets, during a session at Structure:Data. It’s not just what you’re doing on your phone or tablet, but when you’re doing it and where you’re doing it: those are variables that aren’t necessarily as important to the traditional desktop-and-Web-based model of computing.

And “the accuracy of what you can capture in a mobile app goes beyond” other data sources, said Raj Aggarwal, CEO and co-founder of Localytics. That’s going to increase as phone makers put more sensors in their devices–say, for health monitoring–and software developers come up with more sophisticated ways to interact with those sensors, he said.

But as we’ve seen time and time again, there are privacy minefields involved with any type of collection of data from mobile devices, the most personal computing device most of us own. Aggarwal advised anyone working with mobile data to give users an easy way to opt out of those services and to be transparent about how data is collected and scrubbed of personally identifiable information.

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Macworld | iWorld 2012 highlights for general Apple users

Dave Greenbaum — Mon, 30 Jan 2012 17:22:57 +0000

While Weldon gave some of his perspectives on the Macworld | iWorld 2012 show, particularly from the prosumer and developer angles, my focus here is on those products average Apple users might be interested in, for both Mac and iOS.

The show focused primarily on the iOS ecosystem, with traditional Mac OS X software pushed into the background. Special attention was paid to applications and accessories to get sound and video into and out of your iOS device, not just on the exhibit floor, but throughout Moscone West. Still, there were other hidden gems for everyday users, too.

Most of the OS X software developers weren’t showing new products or improvements, but demoing what they already have. One notable exception that drew me in was the newly launched latest version of Fantastical by Flexibits, which works in conjunction with OS X calendar software (iCal, BusyCal, Outlook) to quickly enter calendar items with natural language directly from the menu bar, kind of a Siri for the desktop.

Once you ignore the gimmicky stuff like iPhone cases with integrated bottle openers, and lots of bling (sparkle screen protectors from Crimsoncase), most user-aimed products seemed to want to make iDevices easier to use in more places. Judging by the show’s offerings, users seem to want to hold their iPad with one hand (Newertech, Hub Innovations, Grablet and others), make it waterproof (Drycase and Drybags), and have better input devices.

Steve Jobs would have shed a tear seeing so many ways to avoid using iOS device touchscreens. Some standouts are multiples styluses from Lafeada in the shape and style of lipstick and eyeliner, as well as Adonit’s Jot Stylus that had a “target” zone via a precision disk instead of the typical imprecise rubber tip found in most styluses. My favorite, though, was the NuScribe combo pen and stylus from Newer Technology. I love not having to carry both a pen and stylus.

Not only do people want to take their iOS devices everywhere, but they want to be able to take desktop functionality along for the ride. Nivio has a soon-to-be released subscription-based service called nDesktop that allows you to remotely run Windows applications as well as rent traditional software such as the Microsoft Office Suite on both your iPad as well as your OS X device, sort of like a more feature-rich version of OnLive Desktop’s free iPad Windows virtualization app. Sanho’s CloudFTP device is an iOS-friendly portable NAS server that is in the final stage of production after a successful Kickstarter launch. These products help fill the gap between the portability of iOS devices and the flexibility of the desktop, making the decision between an iPad and MacBook Air even more difficult.

Among the products geared towards consumers at the show, the lines between tablet and desktop computing are blurring, and the changed branding of Macworld| iWorld this year reflects that.

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