Articles about Ruby, Rails, JavaScript, and more. By Nando Vieira. - N...

JavaScript is all new. Until recently, we had no new features. The last significant update was back in 2009, with ES5’s release. And you couldn’t use all features due to browser incompatibility.
To increase the compatibility level, we had to use things like es5-shim, which conditionally checked if a feature was available, adding a polyfill if the browser didn’t implement it....

Pingdom recently increased the price of the starting plan from $10 to $14. Since they didn’t keep the price for older customers, I decided to create something to replace it, because the new pricing is just too much for my personal sites.
This article shows how you can set up your own uptime checker and run it on Heroku for $7/month....

Working with dates can be hard. You need to consider time zones, understand how to store dates in your database, parse strings into dates or even format dates and display them to the user. And there’s the daylight saving time.
In this article we’ll see how to use the utilities provided by Rails, so that your system can handle dates correctly....

JavaScript is all new. Until recently, we had no new features. The last significant update was back in 2009, with ES5’s release. And you couldn’t use all features due to browser incompatibility.
To increase the compatibility level, we had to use things like es5-shim, which conditionally checked if a feature was available, adding a polyfill if the browser didn’t implement it....