4elements, web design and consultancy

  1. How to Use the react-redux Package

    React is a JavaScript library for building user interfaces that has taken the web development world by storm. However, in a community that favours choice and flexibility, it can be hard to know where to start! Not to worry—some patterns and modules have emerged as best practices. One of these is Redux for managing application state.In this video from my course on Modern Web Apps With…

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    1. Full-Text Search in Rails Using Elasticsearch

      In this article I'm going to show you how to implement full-text search using Ruby on Rails and Elasticsearch. Everyone is used nowadays to entering a search term and getting suggestions as well as results with the search term highlighted. If you misspell what you are trying to search, having auto-correct is also a nice feature, as we can see on websites such as Google or Facebook. To…

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    1. CSS Custom Properties: Variables

      Variables invariably exist in all programming languages, and that's because they are pretty useful. You just have to store a value in a variable once, and then you can use it later multiple times, avoiding repetition. While CSS is not a programming language, lack of variables still limits its capabilities.Now that the native CSS variables are around, I would like to discuss how they are…

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    1. Building Your Startup: Delivering the Meeting Invitation

      What You'll Be CreatingIntroductionThis tutorial is part of the Building Your Startup With PHP series on Envato Tuts+. In this series, I'm guiding you through launching a startup from concept to reality using my Meeting Planner app as a real-life example. Every step along the way, I'll release the Meeting Planner code as open-source examples you can learn from. I'll also address…

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    1. Command-Line WordPress

      What You'll Be CreatingDevelopers and users of WordPress are all too familiar with the /wp-admin administration panel and how it works.This guide is for users and admin alike. I’ve heard them many times complaining (system admins in particular) about WordPress, and how due to the plethora of configuration options in the WordPress admin panel it can often become fiddly and confusing…

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    1. Creating Custom WordPress Administration Pages, Part 1

      In a previous series, I provided an in-depth guide to working with the WordPress Settings API. For those who are new to WordPress or who have been using other tools such as The Customizer to handle various options, it may be something that you have not had to use in your theme or plugin development.As stated in the Codex:The Settings API, added in WordPress 2.7, allows admin pages…

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    1. Installing AMP in WordPress

      What You'll Be CreatingWhat's AMP?Last October, Google announced AMP as an open-source initiative to provide faster mobile web browsing. As described by TechCrunch, many see AMP as an attempt by Google to compete better with Facebook's Instant Articles and mobile applications which increasingly provide faster, more streamlined browsing. I tend to agree.Pages optimized with AMP will appear…

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    1. How to Set Up Downloadable Products in OpenCart

      As with most other e-commerce frameworks, OpenCart also provides built-in support for digital products, allowing you set up and sell downloadable products out of the box. Also, it’s considered an important feature of e-commerce frameworks nowadays, as the trend of selling virtual products is being adopted progressively.The usual workflow of selling virtual or downloadable products is…

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