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Daniel Khan

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What You Need to Know About Node.js 4.0.0 Now - that Node.js 4.0.0 was officially released - you may wonder what it delivers to you and if you should upgrade right away, or not. This post covers the most important changes you need to know, and some key implications you may have to take into account in making your decision. The Story So Far The last few months were really exciting for the Node.js community. At the start of this year Joyent Inc. handed over the project to the community around io.js, a fork of Node.js. Soon after that, it was decided that there should be only one version that incorporates all current features of io.js and Node.js in the future. Bringing together two codebases that drifted away from each other for many months is a huge endeavor. When I was told about it at NodeConf in June, initially I was pessimistic about the planned time frame of about... (more)

Effects of Omitting NODE_ENV in Express.js Apps By @DKhan | @DevOpsSummit #APM #DevOps

The Drastic Effects of Omitting NODE_ENV in Your Express.js Applications Most developers learn best by examples, which naturally tend to simplify matters and omit things that aren't essential for understanding. This means that the "Hello World" example, when used as starting point for an application, may be not suitable for production scenarios at all. I started using Node.js like that and I have to confess that it took me almost two years to quantify the huge performance impact of omitting a single environment variable. In fact it was just a coincidence that I even did it right ... (more)