Raspberry Pi Raspberry Pi is a microprocessor or better to say “a credit card-sized CPU”. One of the most exciting features of Pi is the GPIO. GPIO (General Purpose Input Output) pins enable us to control hardware devices or equipment like motors (DC motors, servo motors, etc), or LED. We can control a DC motor
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Whenever you visit a website you might have observed HTTP or HTTPS at the starting of the page address. Before we explore what are these two, let’s have a look at what we call a ‘protocol’. In general, a protocol is a set of rules defined to carry out a specific process. For example, we
Arduino is an open-source hardware and software company. It designs single-board microcontrollers to control electronic devices. The microcontroller board itself is called Arduino and in this article, we will refer to the board itself by the term ‘Arduino’. So what exactly the Arduino is? In simple words, Arduino is a microcontroller that can control electronic
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A command prompt (often abbreviated as cmd) is a command-line interpreter in which you can give commands to perform the functions on your PC. These functions include all the regular stuff like creating a new folder/file, deleting a folder/file, renaming, or navigating through the folders. For example, If you want to create a new folder inside
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If you have a website, you must include some security checks in the contact forms or wherever you expect any user input. If you don’t do so, you would face unnecessary spam messages or emails. In older days, webmasters use some simple calculations like additions and verify the answers given by the user. This is to
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When you deal with computer networks, you would come across the term ‘IP address’ many times. IP stands for Internet Protocol. An IP address is a unique identity of each device in a network. Through IP addresses, devices in networks finds each other. IP addresses ma be IPv4 or IPv6. IPv4 represents four numbers ranging from
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At times, there is a need to access a database that resides on a different server. But that is not possible directly as it is disabled by default for security reasons. However, by certain steps, you can connect to a remote database. You might need to use a remote MySQL server for the following reasons:
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Writing code and writing code efficiently are two different things. A good approach to coding has been always a subject of importance among the software developers community. Code for some specific task may vary from person to person, however not all the approaches are good even if they all tend to work the same. Writing
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Fizzbuzz is a very common game played to teach children how to perform divisions. The game is simple, The player with which the game starts has to say one, then the other player says 2 (count incrementally) and so on. The catch is if the player has got a number that is a multiple of three,
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A boilerplate is simply something in textual form that can be used again and again by making only a few changes or no changes. The most common examples of boilerplate are legal agreements such as privacy policy, terms and conditions. You may be provided with a multipage contract, but most of its part is boilerplate.
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