Download Dart: Up and Running: A New, Tool-Friendly Language for by Seth Ladd, Kathy Walrath PDF

By Seth Ladd, Kathy Walrath

Wake up to hurry on Dart, the net improvement language that not just suits the dynamic nature of JavaScript, yet addresses its difficulties in addition. This useful publication will get you up to the mark at the language, libraries, and instruments for constructing established, quickly, and maintainable internet apps that run in such a lot browsers.

Google designed the Dart platform to scale from easy scripts to advanced apps, operating on either the buyer and the server. With this ebook, you’ll learn the way Dart may help architect and strengthen HTML5 apps for the trendy Web.

* construct internet apps with the class-based, object-oriented Dart language, and assemble your code to JavaScript
* methods to use Dart beneficial properties, from variables to operators to sessions and libraries
* Create, release, and debug internet and command-line apps with the Dart Editor
* Get a travel of Dart libraries, together with dart:core, dart:html, dart:isolate, dart:io, and dart:json
* get to grips with instruments corresponding to Dartium, the Chromium-based browser that comes with the Dart digital machine
* Get a walkthrough of Dart Chat, a client-server app during which either the customer and the server are applied in Dart

Show description

By Seth Ladd, Kathy Walrath

Wake up to hurry on Dart, the net improvement language that not just suits the dynamic nature of JavaScript, yet addresses its difficulties in addition. This useful publication will get you up to the mark at the language, libraries, and instruments for constructing established, quickly, and maintainable internet apps that run in such a lot browsers.

Google designed the Dart platform to scale from easy scripts to advanced apps, operating on either the buyer and the server. With this ebook, you’ll learn the way Dart may help architect and strengthen HTML5 apps for the trendy Web.

* construct internet apps with the class-based, object-oriented Dart language, and assemble your code to JavaScript
* methods to use Dart beneficial properties, from variables to operators to sessions and libraries
* Create, release, and debug internet and command-line apps with the Dart Editor
* Get a travel of Dart libraries, together with dart:core, dart:html, dart:isolate, dart:io, and dart:json
* get to grips with instruments corresponding to Dartium, the Chromium-based browser that comes with the Dart digital machine
* Get a walkthrough of Dart Chat, a client-server app during which either the customer and the server are applied in Dart

Show description

Read Online or Download Dart: Up and Running: A New, Tool-Friendly Language for Structured Web Apps PDF

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DETERMINING PATHS Often you need to determine file and folder paths within your plugins. For example, you might have an image in your plugin folder that you want to display. Generally speaking, it isn’t a good idea to hardcode a directory path in a plugin. WordPress can be configured to run in a million different ways, so assuming you know the proper directory paths is a mistake. This section looks at the proper way to determine file and folder paths in your WordPress plugin. Plugin Paths A common task in any plugin is referencing files and folders in your WordPress installation.

Think of the local server path as nothing more than the directory path on a computer. The local server path is generally used whenever you need to include something that is local on your server. A URL is typically used to link to something external to your server, but that 60 doesn’t mean you can’t link to images and such using the URL path. WordPress features the ability to move the wp-content directory to a different location. Because of this you shouldn’t hardcode directory paths in WordPress, but rather use the available functions to determine the correct path.

INSTALLING AND MANAGING PLUGINS All plugin management in WordPress happens under the Plugins screen in the WordPress Dashboard, as shown in Figure 1-2. FIGURE 1-2 The menu shown in Figure 1-2 is available only to administrators in WordPress, so nonadministrators cannot see 43 this menu. If you use the Multisite feature of WordPress, the Plugins menu is hidden by default. You need to enable the menu under Network Admin ⇒ Settings. Installing a Plugin WordPress features three different methods for installing a new plugin.

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