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Accessing jQuery objects in the module pattern

- by Stewart

Hello, Really getting in to javascript and looking around at some patterns. One I have come accross is the module pattern. Its seems like a nice way to think of chucks of functionality so I went ahead and tried to implement it with jQuery. I ran in to a snag though. Consider the following code <!DOCTYPE html> <html> …

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Observer Design Pattern - multiple event types

- by David

I'm currently implementing the Observer design pattern and using it to handle adding items to the session, create error logs and write messages out to the user giving feedback on their actions (e.g. You've just logged out!). I began with a single method on the subject called addEvent() but as I added more Observers I found that the…

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f# pattern matching with types

- by philbrowndotcom

I'm trying to recursively print out all an objects properties and sub-type properties etc. My object model is as follows... type suggestedFooWidget = { value: float ; hasIncreasedSinceLastPeriod: bool ; } type firmIdentifier = { firmId: int ; firmName: string ; } type authorIdentifier = { authorId: int ; …

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Design pattern – Inversion of control and Dependency injection

Design pattern – Inversion of control and Dependency injection

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Modified Strategy Design Pattern

- by Samuel Walker

I've started looking into Design Patterns recently, and one thing I'm coding would suit the Strategy pattern perfectly, except for one small difference. Essentially, some (but not all) of my algorithms, need an extra parameter or two passed to them. So I'll either need to pass them an extra parameter when I invoke their…

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Design Pattern Advice for Bluetooth App for Android

- by Aimee Jones

I’m looking for some advice on which patterns would apply to some of my work. I’m planning on doing a project as part of my college work and I need a bit of help. My main project is to make a basic Android bluetooth tracking system where the fixed locations of bluetooth dongles are mapped onto a map of a building. So my…

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Abstract Factory Pattern in C#

Abstract Factory Pattern in C#

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Decorator Pattern (A Layman to Laymen)

This article takes a scenario based approach to make the reader understand Decorator pattern

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Incorporating libs into module pattern

- by webnesto

I have recently started using require.js (along with Backbone.js, jQuery, and a handful of other JavaScript libs) and I love the module pattern (here's a nice synopsis if you're unfamiliar: http://www.adequatelygood.com/2010/3/JavaScript-Module-Pattern-In-Depth). Something I'm running up against is best practices on…

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The Factory Pattern

A Design Pattern that can make your application architecture more flexible and less fragile

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Strategy pattern primer (A layman to laymen)

This article takes a scenario based approach to make reader understand this pattern

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Decorator Pattern (A Layman to Laymen)

This article takes a scenario based approach to make the reader understand Decorator pattern

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The repository pattern explained and implemented

The pattern documented and named Repository is one of the most misunderstood and misused. In this post well implement the pattern in C# to achieve this simple line of code: var customers = customers.Matching(new PremiumCustomersFilter()) as well as discuss the origins of the pattern and the original definitions to…

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What's the point of the Prototype design pattern?

- by user1905391

So I'm learning about design patterns in school. Many of them are silly little ideas, but nevertheless solve some recurring problems(singleton, adapters, asynchronous polling, ect). But today I was told about the so called 'Prototype' design pattern. I must be missing something, because I don't see any benefits…

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Layers pattern in practice.

Layers pattern via a WPF project

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Warning on Unsaved Changes Functional Pattern

A new UI pattern

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The Singleton Pattern

How to create an object using the Singleton pattern in VB.NET

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xslt broken: pattern does not match

- by krisvandenbergh

I'm trying to query an xml file using the following xslt: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" …

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Matching unmatched strings based on a unknown pattern

- by Polity

Alright guys, i really hurt my brain over this one and i'm curious if you guys can give me any pointers towards the right direction i should be taking. The situation is this: Lets say, i have a collection of strings (let it be clear that the pattern of this strings is unknown. For a fact, i can say that the…

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c#Repository pattern: One repository per subclass?

- by Alex

I am wondering if you would create a repository for each subclass of a domain model. There are two classes for example: public class Person { public virtual String GivenName { set; get; } public virtual String FamilyName { set; get; } public virtual String EMailAdress { set; get; } } public…

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pattern matching in Bash

- by Tim

Hi, Here is an example to get different parts of a filename bash-3.2$ pathandfile=/tmp/ff.txt bash-3.2$ filename=$(basename $pathandfile) bash-3.2$ echo $filename ff.txt bash-3.2$ echo ${filename##*.} txt bash-3.2$ echo ${filename%.*} ff I was wondering what does ## and % mean…

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Is Design Pattern only for Object-Oriented design?

- by Tim

I was wondering if all design Patterns are only used in Object-Oriented design? Are there any design patterns used in non Object-Oriented design? Thanks and regards!

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Looking for ideas for a simple pattern matching algorithm to run on a microcontroller

- by pic_audio

I'm working on a project to recognize simple audio patterns. I have two data sets, each made up of between 4 and 32 note/duration pairs. One set is predefined, the other is from an incoming data stream. The length of the two strongly correlated data sets is often different, but roughly the same "shape". My…

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ocaml pattern match question

- by REALFREE

I'm trying to write a simple recursive function that look over list and return a pair of integer. This is easy to write in c/c++/java but i'm new to ocaml so somehow hard to find out the solution due to type conflict it goes like.. let rec test l = match l with [] - 0 | x::xs - if x 0 then…

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Pattern matching in Perl ala Haskell

- by Paul Nathan

In Haskell (F#, Ocaml, and others), I can do this: sign x | x > 0 = 1 | x == 0 = 0 | x < 0 = -1 Which calculates the sign of a given integer. This can concisely express certain logic flows; I've encountered one of these flows in Perl. Right now…

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