For those who study and work in Information Technology, the base 16 is probably not strange. Right from learning basic subjects in school, or in the process of learning online, we have been introduced to the concept of Counting system...

At first, I also thought that Assembly was very difficult - "Understanding how the hell is that pile of EAX EBX ???". But believe me, Assembly is not that difficult. At least until now (I just learned a little), I...

Procedure-oriented programming (POP) and Object-oriented programming (OOP) are both programming methods, using high-level languages. A program can be written in both languages, but if the task is very complex, OOP works well compared to POP . In POP , 'data...

HTML5 Canvas Hello everyone, I have just learned a bit about HTML5 canvas so today I will guide you to create a romantic snowy sky. So what is HTML5 Canvas? 1. What is a canvas? Canvas is an element of...

Database queries are very common when you develop web applications. ActiveRecord in Ruby on Rails allows you not to write tons of pre-compiled SQL code and as a result creates simple and powerful queries in Ruby in a simple way....

During the WWDC 2019 Apple recently introduced the card presentation as the new default presentation. On iOS 13 and above this will be the new behaviour for modal view controller when being presented. So if you want to insist on...

What is a Proxy server ? In a computer network, a proxy server is a server that acts as an intermediary between the client and the server. Therefore, the proxy server works on behalf of the client when requesting a...

1. Introduction 1.1 What is React JS? React is an open source Javascript library for building reusable interface components. It was created by Jordan Walke, a software engineer at Facebook. React was first implemented for Facebook's Newsfeed application in 2011,...

I. Introduction. A practical problem is that you need to manage a class where the list of names or grades of the students are arranged in no particular order which makes it very difficult to manage so the problem is...

In the process of building applications and using database management systems such as MySQL, SQL Server ... then we can not help but pay attention to the performance, query to increase application quality. We already have the techniques, the notes...