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Latest Articles
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How to use React for a CRUD application
In this article, I show how to create the frontend of a CRUD application in React. I explain how to create the project and all the components necessary. The create, read, update and delete.
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4 Ways to Protect Your Application From Being Hacked
In this article I describe 4 ways to secure an application to avoid 90% of the attacks. 4 simple ways to put in place in every kind of application. From using HTTPs to an external configuration system.
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How to Solve a NullPointerException Correctly
In Java, one of the first exceptions everyone sees is the NullPointerException. Unfortunately, it took me some time to understand how to solve it correctly. In this article, I explain how to solve them correctly.
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How Not To Create An Application
In this article I explain how not to create an application. I describe a real use case where I worked some years ago. Where we build a big application with a lot of complexity. But no clients and no profits.
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7 Habits of Great Developers
In this article I talk about the 7 habits that differentiate a simple developer from great developers. The difference is not in the intelligence or the age but in the habits.
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Advantages and Disadvantages of the JWT
A JSON Web Token (JWT) is widely used for stateless application authentication, but has limitations. It consists of three parts, including a signature for verification. However, it is susceptible to decryption, thus sensitive information like passwords should not be stored. Despite drawbacks, it offers a condensed JSON object and industry standard authentication. It’s important to…
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Workflow of the Forget Password Strategy
In this article I explain the workflow of the password recovery strategy. I explain how to link the new password with the user, and how to generate a secure link that can only be used once.
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3 Steps to Get a Job as a Junior With No Experience
Times are difficult to find a job. I’ve interviewed a lot of Junior developers. And here are the 3 main points that make me decide to hire the developer or not.
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Complexity vs Urgency
In this article I explain how to identify and prioritize the tasks depending on their complexity and urgency. I explain the not complex and not urgent tasks, the complex but not urgent tasks, the not complex but urgent tasks and the complex and urgent tasks.
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Looking for help on a project? To optimize the performance of your application ? Or to reduce the costs of you AWS infrastructure?
Build a Backend with Spring Boot in 9 Steps
Do you want to create a Spring Boot Backend? Do you want to create a website? Here are the 9 steps I follow to create a backend with Spring Boot.
Build a Microservices Architecture with Spring Cloud
Are you looking to build a Microservices architecture? To create Microservices with Spring Cloud and Kubernetes? Here are the main design patterns used in Microservices Architectures.
The Dev World - Sergio Lema 