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Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun. Mocha tests run serially, allowing for flexible and accurate reporting while mapping uncaught exceptions to the correct test cases. It is hosted on GitHub.
Bell Labs colleagues Ken Thompson and Dennis Ritchie developed UNIX, a multi-tasking, multi-user operating system alternative to the batch processing systems that dominated the computer industry. Learn more about Thompson: https://www.invent.org/inductees/ken-… and Ritchie: https://www.invent.org/inductees/denn… Dennis Ricthie’s Life Dennis MacAlistair Ritchie was born on September 9, 1941, in Bronxville, New York. He grew up with a […]
Being able to offer the same level of customer service in-store as consumers get online is the challenge of retailers today, often called “store digitalization”. Click & Collect, endless catalogue, home delivery, recommended products, 1-click payment are services that need to be offered in-store. In-store mobility is one means among others to deliver the promise. […]
Feign is a Java to HTTP client binder inspired by Retrofit, JAXRS-2.0, and WebSocket. Feign’s first goal was reducing the complexity of binding Denominator uniformly to HTTP APIs regardless of ReSTfulness. Why Feign and not X? Feign uses tools like Jersey and CXF to write java clients for ReST or SOAP services. Furthermore, Feign allows you to write your own code […]
An introductory video and presentation looking at Internet of Things (IoT) and differences between IoT and IIoT. Examples are provided to help clarify the understanding. The birth of IoT The actual idea of connected devices had been around longer, at least since the 70s. Back then, the idea was often called “embedded internet” or “pervasive computing”. […]
NumPy NumPy is a fundamental package for scientific computing with Python. It supports large, multi-dimensional arrays and has an extensive collection of high-level math functions that can operate on those arrays. Through NumPy, you can leverage n-dimensional array objects, C, C++, and Fortran program-based integration tools, and functions for performing complex mathematical operations like Fourier […]
Traditional server side load balancing Server-side load balancing is involved in monolithic applications where we have a limited number of application instances behind the load balancer. We deploy our war/ear files into multiple server instances which are basically a pool of server having the same application deployed and we put a load balancer in front […]
What is NoSQL? NoSQL encompasses a wide variety of different database technologies that were developed in response to the demands presented in building modern applications: Developers work with applications that create massive volumes of new, rapidly changing data types — structured, semi-structured, unstructured, and polymorphic data. Long gone is the twelve-to-eighteen-month waterfall development cycle. Now […]
Swagger allows you to describe the structure of your APIs so that machines can read them. The ability of APIs to express their design is the root of all awesomeness. Why is it so great? We can automatically build beautiful and interactive API documentation by reading your API’s structure. We automatically generate client libraries for […]
Netflix built Zuul Push, a massively scalable push messaging service that handles millions of always-on, persistent connections to proactively push time-sensitive data, like personalized movie recommendations, from the AWS Cloud to devices. This helped reduce Netflix’s notification latency and the Amazon EC2 footprint by eliminating wasteful polling requests. It also powers Netflix’s integration with Amazon […]