In order to convert an analog signal into a digital signal it is essential to include an Analog-to-digital converter somewhere along the signal path. What does it mean to convert an analog signal into a digital signal? In the physical world there are many natural phenomena (sound, light, voltage, heat…

The first examples of audio recording devices were entirely mechanical. These recorders typically used a conical horn to detect fluctuation in air pressure. These fluctuations were recorded through a sensitive membrane located at the apex of the horn that connected to a stylus via a long handle. The stylus, in…

Two Sum is the name for one of the most common questions asked in coding interviews. Given an array of integers and a number, return the indexes where the sum of two values within the array equal the given number. …

State is an important concept to understand for any kind of application development. Like many other coding bootcamp graduates, I initially encountered this ubiquitous computer science concept relative to its use within the React.js library. While having a solid concept of how state works within React is necessary for building…

Conditional rendering allows for a React user interface (UI) to render different elements based on a condition. Conditional rendering is commonly used when rendering external data from an API, showing or hiding elements, and toggling application functionality. In order to highlight a few common ways of dealing with conditional rendering…

React is a JavaScript library that allows for an expedited workflow when constructing complex web applications. React accomplishes this accelerated workflow by coupling a declarative syntax with a structural framework through the extensive use of React “Components”. These Components allow for a developer to efficiently generate elegant solutions to the…

The JavaScript Fetch API provides JavaScripts with a generic answer for generating the Request/Response cycle inherent to network requests. …

The term ‘active record pattern’ was coined by Martin Fowler in his 2003 book Patterns of Enterprise Application Architecture. Fowler himself succinctly describes an active record pattern as being “an object that wraps a row in a database table or view, encapsulates the database access, and adds domain logic on…