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Library

The Citrus7 library is a repository of relevant information about the digital universe.

  • What is QR Code?

    QR Code is a 2D barcode. When scanned via the camera of mobile devices, it is decoded and becomes a passage of text or link that redirects the user to a website. The QR Code is a way to add data to limited spaces. For example: a label of food can provide nutrition information or […]

  • What are IOS and Android?

    IOs and Android are operating systems for smarthphones and tablets belonging to two competing companies: Apple and Google. IOS is used in the iPhone and the iPad, while Android is present on Motorola, LG, and Samsung devices, among others. Devices manufactured by Nokia do not use IOS or Android; its operating system is Windows Phone.

  • What is Flash and what are the pros and cons of using this technology?

    Flash technology was created by Adobe and, for a long time, it was used for the creation of sites with animations. Today, however, it is the target of controversy and differences between developers and customers. We list below the positive and negative points regarding the use of Flash. Pros: It enables the creation of animations, […]

  • What is JavaScript?

    JavaScript is a programming language designed to meet the needs of form validation and web page interaction. With Javascript, it is possible to create special effects in sites and determine their interactivity with the user. The customer’s browser is responsible for interpreting these instructions and executing them so that these effects do in fact happen.

  • What is XML?

    XML stands for eXtensible Markup Language, and it is a markup language validated by W3C to create documents with data organized in a hierarchical manner, among them: texts, vectors or database. The purpose of XML is the simplification of information sharing via the Internet.

  • What is P2P?

    P2P, or peer-to-peer, designates a format of computer network, whose main characteristic is the decentralization of functions. This means that a computer connected with P2P can play the role of server and client simultaneously. P2P is responsible for mass sharing of music and movies, as the main function of this technology is to enable the […]

  • What is a cookie and what does it do?

    Cookies are a chain of texts that websites send to Internet browsers in order to identify users and store their preferences. When you enter a web site for the first time, a web server sends a cookie to you and your browser storages this information. The next time the same page is accessed, the browser […]

  • What are Front-End and Back-End?

    Front-End is the first layer which we face when we access a website, an intranet, or even a web-based system. The Front-End interface is where we find the navigation of a website, with the design of the page and its contact forms, for example. The structure of the Front-End is usually composed of HTML, CSS, […]

  • What is a dashboard?

    Dashboard is a control panel of activities, with a visual presentation of tasks in progress and their indicators or status. In information technology, the dashboards provide visualization of performance data in graphical format, show the results of performance, connect individual KPIs to the organization’s goals, and incorporate financial and operational data to the business process.

  • What is PHP and ASP, and what is the difference between them?

    PHP is a programming language for computers used to generate dynamic content on the Internet. ASP is not a language, but a programming structure, and it uses scripts (VBScript, JScript, PerlScript or Python) processed by the server to generate dynamic content on the web. In practice, PHP runs on any platform, while ASP is restricted […]