Web Development

Image source: xkcd Selenium can be one of the most powerful tools in the QA Engineers’ arsenal. Unfortunately, it can be time consuming to write, a nightmare to maintain, and it can produce way too many false negatives. At Lucid Software, that is where our suite was in the middle…

Performant canvas rendering for modern browsers Lucidchart is one of the most complex graphical apps on the web, which means good performance is an absolute must. Getting that performance out of each of our supported browsers has always been a challenge, and we’ve found the best ways to meet that…

At Lucid Software, we strive to build desktop quality software that runs in the browser. Until recently, however, we had settled for using our own internal clipboard implementation rather than the system clipboard — limiting copying and pasting with external applications to just plain text. With customers clamoring for the…

My thanks go out to Grant Klopper from The Guardian. Last week, he validated a change I made to the Play! Framework back in December. After upgrading from Play! 2.2 to 2.3, Grant noticed dramatic changes in response times and memory – both for the better. The changes were so awesome that Grant…

Piezo is a system to operate and manage a Quartz Scheduler cluster. It is made up of the Worker and the Admin. One of the main features needed before an official public release of Piezo was the ability to add, edit, and delete jobs from the admin interface. The bulk…

Abstract Lucidchart is a collaborative diagramming SaaS application. This session’s speakers have been transitioning from a monolithic CakePHP application to a services-oriented RESTful system based solely on Scala. They discuss their decision to ditch PHP and how they ended up with a working set of services. First, they explain their…

The growing complexity of websites and web applications has yielded several new approaches to structuring and maintaining style sheets. You may have heard of BEM, OOCSS, SMACSS, OrganicCSS, or Atomic CSS. We used the latter, Atomic CSS, to design our new golucid.co website. We’d like to share with you where…

Simple web applications can be built quickly, and the original source code sent to users’ browsers for use. While this allows for rapid prototyping and quick turnaround, it’s not a workable model in the long run for a number of reasons:

At Lucidchart, we really care about making a great application that is easy to use and intuitive for first time users, yet powerful enough for the sophisticated diagrams and mockups that many people need to create. That means that we want Lucidchart to be fast, even when a diagram gets…