Tiempo de lectura: < 1 minuto Reading time: < 1 minute In SQL, a null value is a value that does not have a specific or valid value. In other words, a null value represents the absence of a value in a specific column. It is important to note that a null value is different from a zero value or an ... Read more
Tiempo de lectura: 2 minutos Reading Time: 2 minutes Good afternoon, friends! Today, I’m going to talk to you about the SQL keyword ORDER BY. Are you ready? Let’s get started. SQL is a programming language used to work with databases. The “ORDER BY” command is used to sort the results of a query in ascending or descending order based … Read more
Tiempo de lectura: 2 minutos Reading Time: 2 minutes Good afternoon! We continue with tutorials on SQL The SQL operators AND, OR, and NOT are used to combine multiple conditions in a WHERE clause. Each has a specific function and is used in different situations. The SQL AND operator is used to combine two or more conditions in a WHERE … Read more
Tiempo de lectura: 2 minutos Reading time: 2 minutes Good morning, let’s continue with SQL The SQL WHERE clause is used to filter the results of a database query. It allows you to use various operators and functions to specify filtering conditions. For example, if we want to select all customers from a table who are older than 30 years, … Read more
Tiempo de lectura: 2 minutos Reading Time: 2 minutes Air fryers are an excellent choice for cooking crispy and delicious food without the use of oil. In this article, we will compare the two best value air fryers on the market. Cosori 5L Air Fryer vs Tefal YV9708 ActiFry Genius XL 2 in 1 Hot Air Fryer Features Cosori Fryer … Read more
Tiempo de lectura: < 1 minuto Reading Time: < 1 minutes Good afternoon everyone, Today, we continue with SQL tutorials, and we will explain the SQL SELECT DISTINCT statement with examples. SQL SELECT DISTINCT is a clause used in SQL to select only the unique values from a column or set of columns in a table. It is very useful when we ... Read more
Tiempo de lectura: 2 minutos Reading Time: 3 minutes There are several techniques for measuring the usability of a website or application, each with its own benefits and limitations. Some of the most common techniques include the following: User testing: This involves gathering a small group of potential users and observing as they interact with the website or application. User … Read more
Tiempo de lectura: 3 minutos Reading Time: 3 minutes Usability in websites and applications refers to the ease with which users can interact and use a website or application. It is an essential feature for the success of any website or application, as a user-friendly and understandable interface can increase user satisfaction and improve the efficiency of their online experience. … Read more
Tiempo de lectura: 2 minutos Reading time: < 1 minute Today I’m going to show you different ways to monetize a mobile app, even by offering your application for free to users. There are several ways to monetize a mobile app, including: Advertising: Advertising is a common way to monetize mobile apps. You can display ads within your app and ... Read more
Tiempo de lectura: < 1 minuto Reading time: < 1 minute Today I’m going to show you how to fix the Vmmem 100% CPU issue. This problem occurs when WSL (Windows Subsystem for Linux) runs in the background and overwhelms the main Windows system. It prevents us from logging into WSL and causes the virtual memory to skyrocket, consuming 100% of … Read more
