Introduction If you want to work in JavaScript, you need to be familiar with strings. A string is a sequence of characters that can be letters, numbers, or symbols. In terms of quantity, it can be one or more than one character. Each character in a string is associated with a number. This is the index number that you can …
JavaScript Object Notation (JSON for short and pronounced much like the name ‘Jason’), is a type of data sharing format. As evidenced by its name, JSON stems from JavaScript, but it is not the sole code proprietor that permits its utilization. In fact, many other programming languages have it available for their use including Ruby, PHP, Python, and Java. When …
Introduction If you dabble in the world of programming, then you may be familiar with the term ‘containerization’. If not, containerization is a process that helps make applications more manageable. It works by allowing the programmer to distribute applications in organic, portable packages. Each package is lightweight and isolated, complete with its own environment. These individual packages are known as …
Introduction Every object in JavaScript, a prototype-based language, contains an internal property named the [[Prototype]]. Its utility extends to the manipulation of object properties and methods. Mimicking the object-oriented design pattern of JavaScript, most developers utilize construction functions. One of these functions is the concept of classes, introduced to JavaScript via the ECMAScript 2015 language specification. JavaScript’s classes provide a …
While many of us enjoy Google’s services in one form or another, very few seem to leverage the portable SMTP server feature that comes with Gmail and Google Apps email. The Google SMTP server is reliable and free of charge. Instead of managing a personal SMTP server on your CloudSigma workload, Google’s SMTP server can be set with almost any …
Introduction JavaScript is one of the most popular programming languages. If you know anything about computer programming, you have probably heard of JavaScript. If you dig into a little more detail, you will discover that JavaScript is a prototype-based language. This means that you can use general objects to share object properties and methods. You can clone or even extend …
Web scraping, web crawling, web harvesting, or web data extraction are synonyms referring to the act of mining data from web pages across the Internet. Web scrapers or web crawlers are tools that go over web pages programmatically extracting the required data. These data, which is usually large sets of text can be used for analytical purposes, to understand products, …
A web server stores, processes and delivers web pages to website visitors. There are quite a few Open Source web server software options, but the Apache HTTP server is deemed as the most widely used web server in the world. This is because, apart from being open-source, its modular architecture allows extending its capabilities through adding modules to serve different …
Introduction Generally, Docker containers only run for a certain period of time – the time it takes to run the command. The data that is available inside the container can only be accessed from within the container during the runtime. Docker volumes can be used for accessing the files easily and storing them for a longer period. For example, if …
Introduction We all know that computer security is essential for protecting your data. If a hacker was to find their way into your server, they can cause some serious damage. To make sure this doesn’t happen, you need to employ the appropriate security measures. The first line of defense that any incoming threat would encounter in a safeguarded system would …
Introduction JavaScript needs no introduction. It is one of the most popular programming languages for web development. It works similar to HTML and CSS. All of these languages help design and develop web-based applications and programs. So how is JavaScript useful in particular? With the help of JavaScript, you can make your web applications and web pages quite interactive. There …
Introduction Third-party extensions are extremely helpful additions. These make your experience of configuring and working with a server, such as Apache HTTP, much simpler and more facilitative. In a time of need, you can even use some of these modules in Apache to run a reverse proxy. You can either remove a layer from your server setup or you can …
