FAQ Database Discussion Community

Fluent Groovy syntax using command chaining and maps

Given the following Groovy code: someMap = ['key':{ str -> println "SUCCESS: ${str}" }] clos = { someMap } All of the following are legal ways to print SUCCESS: abc: clos(null)['key'] "abc" clos null key "abc" someMap['key'] "abc" This one, however: someMap key "abc" throws a groovy.lang.MissingPropertyException: No such property:...

JavaScript/jQuery: How to Chain a Method that uses console.log()

I'm playing around with jQuery plugin development, and I'd like to chain methods. I read in the jQuery tutorial (https://learn.jquery.com/plugins/basic-plugin-creation/) that you can chain methods by adding return this; to the end of the method, and that works for the first method (test 1). How can I do that for...

D3.js method chaining command dosn't work when I split it, it works

I am new in D3.js, when i use this code it doesn't work,(it is part of the redraw, when running for first time it works good when calling redraw again it works unexpextedly) var rows=tbody.selectAll('tr').data(roster); rows.enter().append('tr'); rows.exit().remove(); rows.selectAll('td').data(function(row) { return columns.map(function(col) { return row[col]; });}).enter().append('td').text(function(d) {return d;} ); when I...

Memory consumption when chaining string methods

I know that string in C# is an immutable type. Is it true that when you chain string functions, every function instantiates a new string? If it is true, what is the best practice to do too many manipulations on a string using chaining methods?...

Joining a collection based on members of the type

I have a class A and its members b and c. Now I construct the List<A> with this: add(new A().setb("abcd").setc("123456")); add(new A().setb("efgh").setc("789101")); add(new A().setb("ijkl").setc("112345")); I want to transform this List to string which looks like this abcd,123456 efgh,789101 ijkl,112345 Now the very obvious way would be to have a StringBuilder...

Make an objects methods chainable in JavaScript

I have been doing battle with this project and understand the concept but cannot get my head wrapped around how to get the end result. Given this code: <!doctype html> <html> <head> <title> Make an objects methods chainable </title> <meta charset="utf-8"> <script> function modifyFunction(f) { return function() { var returnValue...

Chaining not working on jQuery Plugin

I am writing a plugin to pull listings in from my companies internal API and everything is working except for some reason it will not allow me to chain additional methods. (function( $ ) { $.fn.addListings = function(options){ var defaults = { listingCount: 25, pageNumber: 1, customTemp: "<div class='listing'>\ <img...

How to chain call functions by using a string containing that chain in PHP

I have a chain call like so: $object->getUser()->getName(); I know that I can use a string to call a function on an object: $functionName = 'getUser'; $object->$functionName() or call_user_func(array($object, functionName)) I was wondering if it was possible to do the same for a chain call? I tried to do: $functionName...

What is the name of the design pattern used in method chaining in jQuery? [closed]

I want to know what is the name of the design pattern behind method chaining in jQuery?

Mobile first - Encrypted Cache Success and Failure Handler

In MobileFirst V6.3 once we call a JSON Store API, Success and failure can be captured using .then() & .fail(). To chain the API calls we can use multiple .then(). Let's say, WL.JSONStore.startTransaction() .then(function () { var data = [{name: 'carlos'}]; return WL.JSONStore.get(collectionName).add(data); }) .then(function () { var docs =...

How can I break a custom method chain while still returning a value?

I conduct a replace on my search variable turning known groups into group names. I feel like, at each step, I can do a regex match and see if there are two or more group members still in the search query, and if not, abort the chain. This is a...