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Developing real-time applications with NativeScript: implementing push notifications

NativeScript is a framework for building cross-platform native mobile applications using XML, CSS, and JavaScript. In this series, we'll try some of the cool things you can do with NativeScript applications: geolocation and Google Maps integration, SQLite databases, Firebase integration, and push notifications. In the process, we are building a fitness app with real-time features that will be used by the app. In this tutorial, you'll learn how easy it is to add push notifications to your NativeScript app using Firebase Cloud Messaging Service. What you will create Continuing from the previous tutorial, you will add

Sep 02, 2023 pm 09:37 PM

jQuery Simplified Guide: Exploring jQuery and Ajax

The jQueryajax() function is the lowest level of abstraction The jQueryajax() function is the lowest level of abstraction available for XMLHttpRequest (aka AJAX). All other jQueryAJAX functions (such as load()) utilize the ajax() function. Using the ajax() function provides the most powerful functionality for XMLHttpRequests. jQuery also provides other higher-level abstractions to perform very specific types of XMLHttpRequests. These functions are essentially shortcuts to the ajax() method. These shortcut methods are: load()get()getJSON()getScript()po

Sep 02, 2023 pm 09:05 PM

Embracing the Embers: Part 4

In my previous tutorial, I covered how to use Ember.Object to define models and work with datasets. In this section, we'll take a closer look at how Ember uses the Handlebars template framework to define your app's user interface. Client-Side Templates Most server-side developers are accustomed to using templates to define markup that will be dynamically populated. If you've ever used ASP.NET, ColdFusion, PHP or Rails, you definitely know what I'm talking about. JavaScript client-side templates have really started to gain popularity recently, especially because of its focus on building more desktop-like experiences. This means more processing is done on the client side and the data is primarily passed through the server side API

Sep 02, 2023 pm 08:37 PM

Enhancing the manageability of multi-author blogs: valuable tips and plugins

Running a multi-author blog is no easy task. Managing content, ensuring timely publishing, maintaining a schedule, ensuring proper communication with authors, ensuring posts follow certain predefined guidelines, and tracking changes to posts are just some of the tasks you have to deal with when running a blog. In this article, I will share some tips and useful plugins that you can use to make your life easier. Manage Communication Correct and timely communication is very important in a multi-author blog setup. Lack of proper communication can lead to delayed posts, low-quality content, and frustration. You can choose any platform such as email, IRC, Twitter, Facebook Groups, Google Groups, or even a private blog. Tip: Choose a suitable

Sep 02, 2023 pm 07:57 PM

Important factors to consider when managing a WordPress project

Lean, Agile, Waterfall; there are dozens of project management methodologies, each abstracting your project into a series of common tasks and formulas. When it comes to software engineering, this can get complicated. For example, it can cause problems between developers and managers with different organizational styles. Managers need this abstraction layer to track necessary metrics. However, developers may suffer from constant small-task fatigue and the feeling of being micromanaged. No matter what the programming language, framework or library is, they don’t fit neatly into the various project management methodologies out there. So how do we improve the process? By classifying the differences between tools. Let’s take a deeper look at WordPress’ unique features and how they impact managers and developers’ perspectives. how to make

Sep 02, 2023 pm 07:09 PM

JavaScript performance taken to the extreme

Just because you didn't attend that great session doesn't mean you still can't watch the lecture! Every weekend we hold recommended web development talks on Nettuts+. In this talk hosted by JSConf's Thomas Fuchs, he reviews some of the tweaks you can make to JavaScript to significantly improve performance (at least in terms of percentages). Along the way, he covers why you shouldn't pre-optimize your code, how each browser's JavaScript engine excels in different areas, and even how simple things like reordering expressions can significantly improve performance.

Sep 02, 2023 pm 06:57 PM

Separate lists for displaying WooCommerce categories, subcategories, and products

WooCommerce gives you a few options as to what you can display on the archive page: Product Categories (on the main store page) or Subcategories (on the category pages) Products and Categories When I build a store, I usually choose the third Options: Product and Category/Subcategory. This means visitors to my store can select products directly from the homepage or refine their searches by clicking on product category profiles. However, this approach has a drawback: it displays categories/subcategories together, with no separation between the two. This means that if your product image is a different size than the product image, the layout may look a little confusing. Even if your images are the same size, if a row in the archive page contains both a category and a product, the "Add" for the category is missing.

Sep 02, 2023 pm 05:53 PM

Excellent WordPress search plugin

Search functionality is crucial to a great user experience on any website. It allows users to easily find what they are looking for. Easily search in the store reduces sales friction! WordPress comes with standard search that provides basic functionality. It's perfect for a simple website or blog. But when it comes to e-commerce websites, directory and listing websites, or websites that contain a lot of information, you will need a professional search plugin. On CodeCanyon you will find powerful WordPress search plugins that will greatly improve your user experience. The best-selling WordPress search plugin on CodeCanyon For a one-time fee, you can get these WordPress searches

Sep 02, 2023 pm 04:53 PM

插件WordPress搜索插件优秀

Build a basic newspaper style layout using Wordpress and jQuery

Grid/newspaper/magazine templates are becoming more and more dominant in the WordPress skin and theme community. They look elegant, but not knowing where to start can be daunting. In this tutorial, we use the power of jQuery to create a grid layout with reduced-size headers! Preface This tutorial assumes that you have a WordPress engine running on your server and that you have permission to upload files, download files, and browse. If you want to run a local server on a computer with WordPress installed, there are tutorials here for Windows and here for OSX. Step 1 - Let’s start with the essentials… In the “wp-content/themes/” file

Sep 02, 2023 pm 03:37 PM

Unit Testing Theory (continued): Part 2

In the previous article, we started discussing the theory of unit testing in WordPress. Specifically, we review our work on unit testing themes and plugins, then move onto discussing code units, how this impacts our testing, and we review unit testing in the larger world of software development. We’ll continue discussing the theory of unit testing in WordPress, but from the perspective of how it can help identify issues, drive architecture, document projects, and more. Find problems, save time Recall from earlier in this series, the traditional way to do unit testing is this: write a test, run it (knowing it will fail) write a function to make the method pass. Run the test. If the test fails, continue processing the function; otherwise,

Sep 02, 2023 pm 02:37 PM

Enhance your theme with the Envato WordPress Toolkit: Library

In the last part of this tutorial, we learned how to use the TGM plugin activation class to require the Envato WordPress Toolkit plugin anytime our theme is in use. The plugin allows users to install and update purchased themes in the admin. The next part will teach you how to implement the EnvatoWordPress toolkit library so that we can use the EnvatoMarketplace API to regularly check when updates to our theme are available. When an update is available, we will display a notification in the admin and direct users to the plugin to update. 1. Include the toolkit library We first need to include the toolkit library in our project. Download EnvatoWordPress

Sep 02, 2023 pm 12:41 PM

Top 8 JavaScript Drawing Libraries: Free and Open-Source

Images and animations are engaging, fun, and perfect for conveying information that would be difficult to process and understand using written words alone. This is true for photos taken with a camera as well as drawings created using a computer. In this article, I will show you some of the best free and open source JavaScript drawing libraries. There are many free libraries that use technologies like the HTML5canvas element and SVG to draw anything you want in the browser. Not only can you draw using the APIs provided by these libraries, you can also animate anything you create. let's start. Two.js is a very popular and easy-to-use library when it comes to drawing 2D shapes using JavaScript. It's very well documented,

Sep 02, 2023 pm 12:17 PM

Design patterns for communication between Vue.js components

As developers, we want to produce code that is manageable and maintainable, which is also easier to debug and test. To achieve this, we employ best practices called patterns. Patterns are proven algorithms and architectures that help us accomplish specific tasks in an efficient and predictable way. In this tutorial, we'll look at the most common Vue.js component communication patterns, as well as some pitfalls we should avoid. We all know that in real life, there is no single solution to every problem. Likewise, in Vue.js application development, there is no universal pattern that applies to all programming scenarios. Each mode has its own advantages and disadvantages and is suitable for specific use cases. The most important thing for Vue.js developers is

Sep 02, 2023 am 11:45 AM

设计模式Vue组件通信组件间通信

Enhance WordPress: Build improved APIs and libraries

It felt like everything we came into contact with was carefully designed: the website, the phone, the subway map, etc. Even things we used to take for granted: thermostats, smoke detectors, and car dashboards now receive careful user experience treatment. Design is more than just look and feel: it also needs to consider the various ways users need to interact with our devices/tools/screens/objects. This also applies to programming. (Un)Designed Programming Programming languages are a large and complex world. Even PHP, which many programming snobs consider too "simple", is actually a fairly complex combination of functions and classes that behave in very inconsistent ways. The syntax, methods, and nomenclature have evolved over the years across millions of different users and applications. Most tend to reflect

Sep 02, 2023 am 11:33 AM