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Auteur : Patrick Arnaud

Access to databases with Java.

Access to databases with Java.

We will talk about how to connect to a database with Java, To do this we will use the JDBC (Java DataBase Connectivity) which is nothing else than java database connection. 1 : Establish the connection. We have to start at the beginning and so we will have to use a database, here I will use the Dragon database. then place in the library of your java project a : « mysql-connector-java-version.jar ». And then we can begin our Java project ! Once we…

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difference between : .forEach(), .map(), .filter().

difference between : .forEach(), .map(), .filter().

.forEach(), .map(), .filter() look realy similar but some point can change. forEach: is used to execute the same code on every element in an array but does not change the array and it returns undefined. .map(): executes the same code on every element in an array and returns a new array with the updated elements. .filter(): checks every element in an array to see if it meets a certain criteria and returns a new array with the elements that return…

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Ten tips for organizing your css code

Ten tips for organizing your css code

1. Insert the CSS reset One of the biggest challenges when developing a website is cross-browser compatibility. The CSS reset is a style sheet that greatly reduces these incompatibility errors by providing a general style that is defined but easily customisable. Normalize.css is a modern and quite precise reset based on HTML 5. https://necolas.github.io/normalize.css/ You should insert the style sheet for this CSS reset in the <head> section, before your style definitions. 2. Organise the elements To be able to…

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