Jul 13What happens when you type google.com in your browser and press Enter ?Well, this question looks easy. But, it’s a trap and it’s frequently asked in interview questions for many types of engineering positions. So, let’s dig down and understand how it really works. Concept Typing an URL in you browsers and pressing Enter loads a webpage in the browsers. But, first of…Internet5 min read
Jul 6Bibliophilia : Holberton School Portfolio Project.Bibliophilia is a cataloguing android application that helps book lovers find books to read using Google books API. I am the only member of the team responsible for the realisation of this project focusing in both the front-end and the back-end to create a user friendly mobile app and…3 min read
Apr 24What’s IoT ?The Internet of Things (IoT) is a term that describes the process of connecting everyday physical objects to the internet, ranging from lightbulbs to medical devices to wearables, smart devices, and even smart cities.³ How Does it Work ? An IoT ecosystem is made up of web-enabled smart devices that use embedded systems like processors…Io T4 min read
Published in Dev Genius·Feb 27How Recursion Works — step-by-step walkthroughWhat is recursion: The process in which a function calls itself directly or indirectly is called recursion and the corresponding function is called as recursive function. Using recursive algorithm, certain problems can be solved quite easily. In other words: to solve a problem, we solve a problem that is a smaller instance of…Recursion4 min read
Published in Dev Genius·Jan 10Static and Dynamic libraries — C programming languageA library is a collection of implementations of behavior, written in terms of a language, that has a well-defined interface by which the behavior is invoked. For instance, people who want to write a higher-level program can use a library to make system calls instead of implementing those system calls…C5 min read
Nov 23, 2021How integers are stored in memory using two’s complement ?What is an Integer ? Integers (or also known as int) are a whole numbers that can have either zero, positive or negative values but it can’t have decimal values . The size of int is actually 4 bytes (or 32 bites). Starting from -2147483648 (-2³¹)to 2147483647 (2³¹ — 1) . Unsigned Numbers : Unsigned numbers don’t have…Binary4 min read
Nov 6, 2021How to “de-obfuscate” Jim Hague’s program(IOCCC winner, 1986)The IOCCC, International Obfuscated C Code Contest, is a competition which goal is to create the most obscure C program. In 1986, Jim Hague won the contest with his (almost) undecipherable morse encryptor. Let’s have a look to his code and try to understand it step by step. #define DIT…Ioccc4 min read
Nov 3, 2021How to make the code displays its own source code in hexadecimal as output? — C Programming LanguageWait is it even possible ? Well in C everything is possible ! There are many methodes to make a C program print it’s own source code, but in this article, we will focus only in one method. …C2 min read
Oct 22, 2021Static libraries — C programming languageStatic libraries are collections of object files grouped in a single file, usually with the prefix “lib” and .a extension, that are linked into the program during the linking phase of compilation. In addition, static libraries permit users to link to programs without having to recompile its code, saving recompilation…Linux3 min read
Sep 30, 2021What is gcc in linux ?In Linux, the GCC stands for GNU Compiler Collection. It is a compiler system for the various programming languages. It is mainly used to compile the C and C++ programs. First of all let’s create a file containing a c program named main.c as shown above. Basic compilation : For basic compilation, gcc…Linux2 min read
