By Ian Young
CoffeeScript program improvement provide you with an in-depth examine the CoffeeScript language, all whereas development a operating internet program. alongside the best way, you'll see the entire nice gains CoffeeScript has to provide, and how you can use them to accommodate genuine difficulties like sprawling codebases, incomplete facts, and asynchronous net requests.
Through the process this booklet you are going to study the CoffeeScript syntax and notice it verified with basic examples. As you pass, you'll positioned your new talents into perform through construction an internet software, piece through piece. You'll begin with normal language positive aspects resembling loops, services, and string manipulation. Then, we’ll delve into complicated gains like periods and inheritance. examine complex idioms to accommodate universal occurrences like exterior internet requests, and hone your method for improvement projects like debugging and refactoring.
CoffeeScript software improvement will train you not just the best way to write CoffeeScript, but additionally how one can construct sturdy purposes that run easily and are a excitement to keep up.
Read or Download CoffeeScript Application Development PDF
Learn how to make extra effective apps, with only one language!
* includes a number of hands-on examples
* Explains implementation of real-time apps together with Socket. IO and HTML5, and WebSockets
* Addresses sensible Node. js merits from particular layout choices
* contains an interactive on-line part with pattern chapters
* Explains parts of stand out apps together with brevity and benchmarks
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- Erlang Programming: A Concurrent Approach to Software Development
Extra resources for CoffeeScript Application Development
Argv, which stores all parameters in an array, the open event is fired once for each file you're passing as an argument. The callback parameter cmdline is indeed a string variable containing the file path. When dragging files into the application icon, their path will be passed to the application in the same way that it would with Open with. Accessing the application data folder path All the operating systems we're dealing with provide a default folder, specific for each application and each user, to store personal settings, application-support files, and, in some cases, data.
Screen This is a singleton that lets you get screen information and respond to screen events, such as a resolution change or a display addition. Menu This enables us to create window, tray, and contextual menus. File dialogs This lets us open or save files through file dialogs. Tray This lets us enable and manage tray/status icons. Clipboard This lets us access the system clipboard. Shell This lets us open files and URIs with the OS default applications. In this chapter, I'm going to illustrate only the APIs I consider essential for developing native look-alike applications.
RequestAttention(5). On Linux (tested on Ubuntu + Cinnamon DE), all values of count will work except for 0; the icon will not blink if the window is already active. [ 32 ] Chapter 2 One more way to get user attention is to fire a notification. Make sure you read the relative section in Chapter 4, Data Persistence Solutions and Other Browser Web APIs. setProgressBar(number progress): When running timeconsuming processing, it might come in handy to show a simple progress bar over the application icon in order to keep the user updated while they are doing something else.