Libro gratuito de jQuery en español - Fundamentos de jQuery. Last.fm provides an awesome service called scrobbling.
How to correctly detect credit card type. Avoid common mistakes when implementing card type detection.
Most card type detection tutorials and libraries use regular expressions without references, often omitting or incorrectly detecting card types. This guide explains the card type detection process, cites sources, and analyzes the detection algorithm and user interface of Creditcard.js, a more usable credit card form. The first six digits of the credit card number encode the card type/issuer. Sometimes the relationship between card numbers and card type can be simplified into a rule like “Visa credit card numbers start with 4.” For most card types, the mapping to card numbers is less straightforward, often spanning multiple disjoint number ranges that can be difficult to represent programmatically.
When implemented correctly, automatically detecting card type improves payment form usability. The following table contains the mapping from card types to card number prefixes. Credit Card Regular Expression Hell. JS Comparison Table. Creating Service Objects And Value Objects In A Dependency Injection (DI) Framework. For the last couple of months, I've been thinking a lot about my level of programming and my architectural understanding.
Todos hemos usado los CAPTCHAs en algún momento. Es un sistema que se instauró y desarrolló para detectar si un usuario es un bot, spammer o ser humano dentro de un sitio web. Mientras que el CAPTCHA tiene muchos años siendo la principal manera de hacer esta identificación, también se ha convertido en una barrera para los seres humanos en la web; ya que las palabras del sistema se han vuelto incomprensibles hasta para los más hábiles.
NodeCrunch. At the beginning of September 2013, we had the pleasure of hearing Bill Scott from PayPal talk about the revolution that is happening there through the use of Node.js and LeanUX practices.
Using HTML5 Geolocation API. In many cases, obtaining user location would be extremely useful to establish better user experience, for example: E-commerce sites can immediately provide shipping cost estimation and inform product availability from local retailersNews sites can provide localized headlines and weather report.Daily deal sites (like Disdus) can provide offers and discounts available from user’s local stores or restaurants.Movie sites can listed the ‘Now Playing’ movies in nearby theatres, etc In the past, to retrieve user location, we might need to provide a list of locations for users to opt-in, or rely on the device IP address to make a rough estimation of their location.
Polyfill para input type time – TimePikr. ThemergencyThemergency. FooTable is a jQuery plugin that aims to make HTML tables on smaller devices look awesome - No matter how many columns of data you may have in them. FancyBox - Fancy jQuery Lightbox Alternative. Tapmodo/Jcrop. Jcrop Image Cropping Demos. API feature demonstration. Use the interface above to active features using the API. This allows you to manipulate different settings and see how the cropping widget behaves in response. Welcome to TypeScript. TouchSwipe: a jQuery plugin for touch and gesture-based interaction.