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Most developers understand that JavaScript does not have a notion of datatypes: it’s often referred to as “dynamically typed”, “weakly typed,” or even “untyped.” The distinction is mostly academic, and the bottom line is when you declare a variable, you don’t specify its datatype. For example, if you see this: There’s no way to know whether animals is an array, a string, a function, or somethin
Tips for Optimizing Slow Code in Node.js by Marc Harter Jan 6, 2016 / How-To, Note: This blog post is also available on IBM DeveloperWorks. Node.js programs can be slow due to CPU or IO bound operations. On the CPU side, typically there is a “hot path” (a code that is visited often) that is not optimized. On the IO side, limits imposed by either the underlying OS or Node itself may be at fault. Or
Major Milestone for Enterprise Node.js by Juan Carlos Soto Sep 10, 2015 / Product, News Today is a very exciting day in the software industry and in the evolution of the Node.js project. I am delighted to announce that StrongLoop , the leader in enterprise Node solutions to power the API economy, has been acquired by IBM, one of the most respected IT vendors on the planet. As part of IBM, we will
An Introduction To JavaScript ES6 Classes by Alex Gorbatchev Aug 12, 2015 / How-To, JavaScript Language Note: This blog post is also available at IBM DeveloperWorks. ECMAScript 2015, formerly known as ECMAScript 6 (ES6) makes classes a first class citizen by introducing a few new keywords. At this time, however there are no new features when compared to the the good old JavaScript prototypes. The
Making the most of JavaScript’s “future” today with Babel by Marc Harter Jul 30, 2015 / Community, How-To, JavaScript Language From CoffeeScript to ClojureScript to PureScript to CobolScript to DogeScript (woof woof!), JavaScript is the write-once-run-anywhere target for many forms and styles of programming. Yet, its biggest compile-to-language today actually isn’t any of these adaptations; its Ja
An Introduction to JavaScript ES6 Iterators by Alex Gorbatchev Jul 16, 2015 / How-To, JavaScript Language Note: This blog post is also available on IBM DeveloperWorks. EcmaScript 2015 (formerly known as ES6) introduces a brand new concept of iterators which allows us to define sequences (limited and otherwise) at the language level. Let us break it down a bit. We are all very well familiar with th
Getting Started with JavaScript ES6 Destructuring by Alex Gorbatchev Jun 17, 2015 / Community, How-To, JavaScript Language Lets take a closer look at the new syntax that ES6 brings to help with more explicit variable and argument declaration and assignment. The current state of affairs is pretty straight forward: on the left hand side you have a variable name, on the right you have an expression w
The first build of what will become Node v0.12 was released about a year ago back in April of 2013. StrongLoop has been busy making significant contributions of code to v0.12, and we’ve added a bunch of cool new features including performance optimizations, cluster round-robin and the ability to run child processes synchronously. We’re waiting eagerly for Node v0.12 to be released. Unfortunately,
If you’ve been following the goings on in the Node community the last few months, you know that a while back some contributors forked the Node code base to work on a project called io.js to maintain technical momentum while the original Node was moving into a foundation. As progress was being made toward launching the Node Foundation, the two projects voted to merge. Progress on Node.js and io.js
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The io.js project has grown up incredibly fast, invigorating the Node ecosystem. In its short existence, io.js has brought a host of bug fixes, performance enhancements, and new features. If you haven’t kept up with the activity, don’t fear. This article aims to summarize the highlights to get you up to speed. We will tackle features introduced from oldest to newest with examples and relevant docu
Comparing JavaScript Templating Engines: Jade, Mustache, Dust and More by Alex Gorbatchev Nov 11, 2014 / Community, Express Lets talk templates, specifically JavaScript powered templates. Even more specifically – template engines that work as well on the server side as they do on the client side. After all, this is the great promise and advantage that isomorphic JavaScript brings to the table – ab
Editor’s note: Welcome to part three of a three part series that aims to help you get a jumpstart on new and breaking API changes in the upcoming Node v0.12 release. In part one, Alex Gorbatchev pulled out the non-breaking API changes, while in part two he separated out breaking APIs. In part three, Ben Noordhuis details out breaking C++ API changes. There have been numerous changes between Node v
Asynchronous Error Handling in Express with Promises, Generators and ES7 by Marc Harter Apr 21, 2015 / Community, Express, How-To tldr; Callbacks have a lousy error-handling story. Promises are better. Marry the built-in error handling in Express with promises and significantly lower the chances of an uncaught exception. Promises are native ES6, can be used with generators, and ES7 proposals like
LoopBack Framework The StrongLoop API Platform features the popular open source LoopBack framework. LoopBack enables you to quickly compose scalable APIs, runs on top of the Express web framework and conforms to the Swagger 2.0 specification. Get Productive Fast LoopBack lets developers focus on business logic and user experience by making it easy to design, test and auto-generate the code for the
Testing and Documenting Node.js APIs with Mocha and Acquit by Valeri Karpov Mar 11, 2015 / How-To When people build REST APIs with Express, testing and documentation are often an afterthought. The situation with testing your documentation is often even worse. When’s the last time you built an automated testing system for your documentation’s examples? When I sat down to write acquit, I wanted a si
You are here: Home / StrongBlog / Community / Are Node and io.js affected by the “FREAK Attack” OpenSSL vulnerab... Recently a security vulnerability, dubbed “FREAK Attack” was reported that affects certain versions of OpenSSL, the popular open source encryption library which is used in many server products such as Apache. Specifically, the ssl3_get_key_exchange function in s3_clnt.c in OpenSSL be
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Announcing the Official Node.js Connector for the Oracle Database by Oracle by Christopher Jones Jan 27, 2015 / Community, LoopBack Oracle has released a new Node.js driver for Oracle Database on GitHub! This is exciting for the Node community. The interest in Node applications that connect to the widely available Oracle Database is being recognized and rewarded with a driver that has been designe
Comparing Express, Restify, hapi and LoopBack for building RESTful APIs by Alex Gorbatchev Apr 29, 2014 / Community, How-To, LoopBack Editor’s Note: This post was originally published in April, 2014. We have refreshed this popular blog post. If you are writing a Node.js application, chances are you going to have some kind of API endpoints to be consumed by your front end or expose data for others
Node powers big brands In the five years since its debut, Node has gone from a language inspired by the desire for websites to support push notifications, to a language that is now powering some of most innovative initiatives at companies of all sizes. How did this happen? A big driver has been the rapid proliferation of mobile apps and the need to connect them to data and services via APIs. And,
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