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Validaciones avanzadas y personalizadas de formularios en Ionic 3 y Angular 4
Validaciones avanzadas y personalizadas de formularios en Ionic 3 y Angular 4
Los formularios son la piedra angular de nuestra aplicaciones, ya sean de escritorio, moviles o web, esto equivale a una interaccion entre el usuario y nuestra aplicacion, independiente de su fin, es la manera idónea con la que el usuario se puede comunicar con nuestra aplicacion.
Por consiguiente es de vital importancia validar la informacion que el usuario introduce en nuestros formularios, para evitar o prevenir posibles errores con dicha informacion. De igual manera es una excelente practica de experiencia de usuario, mostrarle o informarle al usuario que esta introduciendo un dato incorrecto o que se espera algun tipo de respuesta diferente.
Actualmente en Angular existen dos modos de validar los formularios, por modelo y por template, este ejemplo es por template o plantilla, puedes revisar el siguiente tutorial para aplicar tus validaciones en el modelo.
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How to use terminal on Windows and don’t go crazy…
How to use terminal on Windows without going crazy…
Windows is really horrible system for developers and especially for devops. It doesn’t even have a usable terminal and shell, so working with command line is really pain in the ass. If you really don’t want to switch to any usable system (OS X, Linux, BSD…), then this guide should help you to setup somewhat reasonable environment – usable terminal, proper shell, ssh client, git and Sublime Text as a default editor for shell.
Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.
Hey there, apparently people are still using this Gist from 2013! It's out of date! Consult the Github docs.
Steps for Hosting a Website on GitHub
Create a GitHub account on github.com.
Download either [GitHub for Mac][1] or [GitHub for Windows][2], depending on your operating system. Open the app and log in using the account you just created.
(On Mac): After you login, click advanced and make sure that your name and email are correct. Then, click "Install Command Line Tools", just in case you want to start using the command line later in life.
Create a new repository in your GitHub application. Name it your-username.github.io. The name is very important. Note the folder that GitHub is saving the repository to. Make sure the "Push to GitHub?" box is checked.
Move your website's files into the folder that GitHub just created when you made the repository. IMPORTANT: Your homepage HTML file must be called "index.html", and it must exist in the top-level