115 reads
Category: Computer security
Level: Confirmed beginner
Following the fire in a datacenter in France, I saw reactions on social networks such as "I've got my company in your servers", which gave me the idea of writing this article.Of course, it's not the owner of the data center who's to blame here, but accidents like this do happen, so you need to be prepared. By having a data backup strategy. Can you imagine? Losing your accounting data? I've already touched on this subject in my article "How to protect yourself from ransomware". The disaster r...
115 reads
Category: Web development
Level: Beginner
The what? What's this now? No, I'm sure you've already heard of it. Double authentication, often referred to under the acronym 2FA (for 2 Factors Authentication), is the principle of requiring 2 proofs of identity from a user to connect to a site, app or service. So here's a scoop: you've all used this before, and for a very long time. And yes, when you withdraw money from a cash dispenser (or make a contact payment with your bank card), it's 2FA. You use your card itself, with its number a...
115 reads
Category: Development
Level: Beginner
It's back to school time, and we're off to work on a new series of articles, starting with a closely related topic... ? Among the questions most often asked of a developer are : I've got a great idea! Are you up for doing the new Facebook? How much does a site cost? How hard is it to code? I'll let you make up your own mind about the first two... I'll just answer the third... ? Getting started and learning You see ads everywhere: "Become a developer in 3 months!" or "Lea...
114 reads
Category: Technology and business
Level: Beginner
Hello there, This week we're going to talk about what makes a good developer, but not in the way you might think. The idea for this article comes from the discussions I have with my customers and why they enjoy working with me. This article also comes from the fact that, last weekend, I was taking a look at the state of the infrastructure on which this site (and the customers) are hosted, and in two years a lot has happened.... Are you ready? Then let's get started. What this artic...
113 reads
Category: About Ludo
Level: Beginner
This text was on the home page of the site, but after updating it I decided to move it to the blog? 1998 - Discovering computers At elementary school, I discovered computers. At the time, Windows 95 was the star product, and I fell in love with these machines. A teacher, noticing this growing passion, decided to encourage it by giving me a computer; it was a Compaq, with a 486 processor and 4 MB RAM. At the same time, I got an Amstrad CPC equipped with BASIC, which marked the beginning of...
112 reads
Category: Web development
Level: Expert
Ahhhh, passwords ... I've already talked about them in a previous article, but in this one we're going to talk about a method for saving our dear little users from having to remember their passwords... Apple now makes it possible to "sign in with Apple", basically the same thing as Google, Facebbok and all the others. But! the Apple way... In this article, we'll look at how to integrate this feature into a Symfony application. You need Apple developer access to access "sign in with Apple...
112 reads
Category: Web development
Level: Beginner
Good morning, So we're starting to enjoy the sun again? You are so right! But what about work? This week, we're going to talk about the Web, its evolution, why it's become a mess and how to breathe again? If you're a company passing through and don't have time to read everything, here's a simple question: Are you Facebook? No ? Then why use the same methods and tools as a company with unlimited resources? For those who want to go further, we continue. The 1990s, the birth of the Intern...
112 reads
Category: Web development
Level: Confirmed beginner
Hello there, This week we're going to be talking about image formats. In fact, this article follows on from my article on CSS, and we're going to be talking about optimizing sits, in this case images. First of all, we'll review the older image formats, find out how to optimize them and finally talk about WEBP. We'll even see how it's possible to have a site or application that uses this format automatically, as is the case on the site you're currently visiting. Other image formats We'...
112 reads
Category: Tech tips
Hello, hello?. This week, we're going to talk about a subject that bothers us all. We've all received at least one in our lives, and for some of us (like me, for example), it's easily 10 or so a day. That's all well and good, but for the sake of sound mental health, let's take a look at how to block these calls, and thus remove unhelpful distractions. If the line belongs to a company If the phone line belongs to a company, that company has fewer options for blocking these calls, sin...
112 reads
Category: Development
Level: intermediate
Hello, hello? Have you ever watched a child playing with "Legos"? Stacked one on top of the other, they create complex structures that are both unique and fundamentally similar, because they all share the same basic elements... What if I told you that playing with Legos is a bit like our topic for today... Welcome to the concept of object-oriented programming (OOP)! It may sound like an obscure concept, a maze of jargon designed to confuse, but fear not, it will! We're about to emba...