Problem You have an array in CoffeeScript, which contains equal elements multiple times such as: [1,1,2,3,3] You would like to have only unique values in the array. Thus, transform it into: [1,2,3] Solution You can use the following method to accomplish such: removeDuplicates = (ar)
gwt
GWT RPC is built upon AJAX requests and thus is subject to the Same-Origin Policy. However, it is really easy in GWT (as well as in other JavaScript applications) to circumvent this policy using a method called JSON-with-padding (JSONP). Unfortunately, there are a couple of issues one needs to consider
bootstrap
Problem Using the very useful Summernote Editor component for Bootstrap, you would like to insert some text at the current caret position programmatically. Solution The Summernote API does not provide any dedicated methods for inserting text. However, that's not a problem since we can use the JQuery/native
Anyone who has worked with JavaScript for anything but a very short time will have come across the problem that the meaning of 'this' is often ambiguous at best. CoffeeScript attempts to mitigate this problem somewhat by introducing the Fat Arrow operator (=>). This operator can be used
Problem You would like to include HTML code as a String in a JavaScript file. Solution Firstly, load the HTML code into a JavaScript variable (e.g. by using jQuery.ajax()). $.ajax({url: 'http://mydomain.com/htmlfile.html'}) .done(function(html) { Then apply the following two simple regular
daniel-coyle
I found the following wonderful quote in Daniel Goleman's Focus: The Hidden Driver of Excellence via Brain Pickings: Amateurs are content at some point to let their efforts become bottom-up operations. After about fifty hours of training — whether in skiing or driving — people get to that “good-enough” performance
google-web-toolkit
Problem The Google Web Toolkit Java to JavaScript transpiler is a powerful tool to convert Java source code into JavaScript files. Unfortunately, not all Java code can be transpiled into JavaScript code by GWT. Sometimes, a project contains a mix of Java code that can be converted into JavaScript and
json
'JavaScript and JSON Essentials' by Packt publishing is a hands-on guide to developing JavaScript/PHP based web applications while using the JSON data format. This review of the book contains a quick summary of the contents as well as points to consider if you think of purchasing the
CoffeeKup is a very succinct and flexible templating engine to define HTML documents in a less verbose manner. It is based on CoffeeScript. Unfortunately, the documentation of CoffeeKup I could find was not very clear on how to perform one of the most basic tasks in creating HTML documents: How
All the key-value pairs of a Map in Java can be accessed through the method .entrySet() on the Map interface. Sometimes it might be required to create a copy of the resulting list. A straightforward approach would be to utilize the constructor of the ArrayList class, which accepts a list
CoffeeKup allows to render HTML from multiple sources: * A String containing valid CoffeeScript code * A JavaScript/CoffeeScript object arranged according to CoffeeKup rules To render HTML from a String is quite straightforward and documented on the CoffeeeScript reference: you can use the methods .compile and .render as documented there. However,
It is no secret that in order to be more productive in software development, it is good to know the keyboard shortcuts of the IDE or editor of your choice. Using the keyboard is an inevitable part of software development and many other tasks we do at a computer, the