Java SimpleDateFormat and Thread Safety

Multi-threading is always a challenge when developing large-scale applications. In Java, the SimpleDateFormat class is wonderfully easy to use, but can be spectacularly dangerous and unpredictable in a multi-threaded application. The use of the SimpleDateFormat class as a static data member or in an enum are important to safeguard. Wrapping it in a thread-safe class […]

Recapping the 2nd Annual Engineers4Engineers Conference

Last month, over 325 engineers from the southern New England software development community converged on Constant Contact’s Small Business InnoLoft for the second annual Engineers4Engineers (E4E) conference. Fourteen speakers from all over the US and UK, including 3 Constant Contact engineers, spoke on topics concerning JavaScript, DevOps, and product development. The day was packed with […]

Featured Integration: StayClassy – Fundraising Software for Nonprofits

StayClassy helps nonprofits and social impact organizations raise money and build long-lasting relationships with supporters online, and provides the tools to convert those supporters into donors, recurring donors, and powerful fundraisers advocating on your behalf. The platform provides unlimited donation forms, peer-to-peer fundraising, and event registration pages that can be used to engage supporters with […]

Introducing Webhooks for Constant Contact

In our recent September release  we announced the release of core API endpoints for our new webhooks API feature.  All of us on the API team are really excited to announce the release of our first set of webhooks topics and full API endpoints. But some of you may be asking, “What are webhooks and […]

Mobile Apps: Deciding Which App Type Is Best

As a mobile developer, picking the right platform for your mobile applications is an important decision.  Once you’ve decided on a platform, the most important decision is whether to go with a mobile web, native, or hybrid application. This article will help you decide which of these types is best for you by comparing them […]

November 17-19: RubyConf

San Diego in November? Yes, please. However, what is more important than this attractive factor is the fact that RubyConf has been the main annual gathering of Rubyists from around the world since 2001. Focused on fostering the Ruby programming language and the robust community that has sprung up around it, RubyConf brings together Rubyists […]

Innovation Program – Now Accepting Applications

Many of you have probably already heard of Constant Contact’s Small Business Innovation Program, our new accelerator program designed to help entrepreneurs and start-ups developing solutions for small businesses. Our doors opened for the first class at the beginning of the summer (doors which open up into the InnoLoft, our new 30,000 sq. ft. state […]

Using SVG to Make Images Look Great on Retina Displays

I recently made some changes to the Constant Contact website and updated our logo from a Portable Network Graphic (PNG) to a Scalable Vector Graphic (SVG). There are important benefits to using SVGs over PNGs. SVGs offer resolution-independent, fully scalable and crystal clear graphics. Because SVG is a resolution-independent vector format, SVG images are always […]

October 28-29: Small Business Web Summit East

Constant Contact is excited to host the first Small Business Web Summit East on October 28-29. The event will take place in our brand new InnoLoft in Boston. This is the sister event to the Small Business Summit West, which took place at eBay Headquarters in San Jose earlier this year. The Small Business Web […]

October 27-30: Future of Web Apps | Ultimate Developer Event

We’re looking forward to checking out both Future of Web Apps and the Ultimate Developer Event taking place October 27-30 in Boston, MA. Both events are taking place in the same venue (Boston Seaport Hotel) and attendees have a choice to select a rate for both events or choose one or the other. Future of […]