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Home Automation with AngularJS and node.js on a Raspberry Pi

Home Automation with AngularJS and node.js on a Raspberry Pi | AngularJS | Scoop.it

In this blog post I show how you can quickly setup and implement a control software for your switches at home with some modern JavaScript stuff. This project should primarily help me to get more in touch with these kinds of freaky scripting and this is maybe helpful for other Java Developers or people who want to play around with the Raspberry Pi. So I decided to share it with you. There is no line of old-fashioned Java code here, but maybe some really technical C++-code  . Please note, that this is not a tutorial for the usage of the frameworks. The tutorials that you can find in the internet are very good and I don’t want to repeat all of the basic fundamentals in this post. The complete code is also available at Github.

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Alexandre Beauvois's curator insight, August 28, 2013 4:21 PM

... how you can quickly setup and implement a control software for your switches at home with some modern JavaScript stuff..

AngularJS
Ressources about AngularJS, single page application.
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Learning AngularJS

Learning AngularJS | AngularJS | Scoop.it

A bunch of links to blog posts, articles, videos, etc for learning AngularJS. This list is in its early stages. Feel free to submit a pull request if you have some links/resources to add. Also, I try to verify that the articles below have some real content (i.e. aren't 2 paragraph blog posts with little information) to ensure I'm not listing "fluff" pieces. If you have an idea for a better way to organize these links, please let me know. As I find similar posts in the "General Topics" section, I will break them out into their own categories.

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Making a lock pattern login ionic and AngularJS

Making a lock pattern login ionic and AngularJS | AngularJS | Scoop.it

The starting point for this tutorial is my last tutorial about a simple login with ionic. If you haven’t followed you can get it on my github repo.

First of all you need to download the loginpattern library created by Sudhanshu Yadav from his github repo. Copy the PatternLock js and css file into your ionic project under www/lib/patternLock.

As the lib needs jQuery, you need to install it. Installing things with bower is the most easy way, so go to your command line from the root of your ionic project and run:



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How To Handle User Authentication With AngularJS

How To Handle User Authentication With AngularJS | AngularJS | Scoop.it

Implementing a login and user authentication system for your AngularJS app seems to be one of the hardest problems people encounter. My article on a simple login with Ionic and AngularJS is the far most viewed article on this blog, every day! As the mentioned article only describes a basic system for a very low level security, this article will highlight everything you need for a complete user authentication and login inside your AngularJS app!



In particular this means, this article will show you how to:

  • Log in a user and store the user session (Token based auth!)
  • Protect your routes based on authentication status and role of the user
  • Notice when an unauthorised request was made and a new login is required

Via Jan Hesse
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AngularJS: Upload Images & Live Demos

AngularJS: Upload Images & Live Demos | AngularJS | Scoop.it

Often developers will publish source code to a custom application or library on GitHub. Experienced developers will also document their code/solution with a detailed README, and perhaps Wiki pages. But those same developers often do not have convenient answers to the following issues:

  • How do you upload images that you want to be shown in the README file(s)?
  • How do you deploy a live demo of your application or library?

The following two sections will show you how to accomplish these easily!

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Improving AngularJS long list rendering performance using ReactJS

Improving AngularJS long list rendering performance using ReactJS | AngularJS | Scoop.it

In some cases you might be able to avoid this problem by using paging or infinite scrolling, but sometimes that's just not good enough. For example, lists that are displaying only a few items at a time (like any kind of a log) would simply be very impractical from the users point of view. Another reason - you might be using libraries like SlyJS that load a whole list at once to calculate the size of the embedded scrollbar and to make list swiping and elastic bounds work properly. Ooooor - your client simply demands it. :)


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Token Based Authentication for Single Page Apps

Token Based Authentication for Single Page Apps | AngularJS | Scoop.it

Single page apps make a lot of sense for customer-centric applications that handle a lot of user data. SPAs are often tied to a RESTful API for a good reason: when your data makes sense, your experience makes sense. We just rebuilt our console – an Angularjs-based Single Page App – and spent a lot of time modeling out the REST API (the actual data model/structures).

With the user model mapped out, it’s much easier to build a UI for your API because the common things like list views, search boxes, sorting, etc – they just fall in place alongside your data model. Fronting a REST API with a single page app gives the assurance of sane data and the freedom to make your UI look and feel sexy. #winning

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Coming to React from AngularJs

Coming to React from AngularJs | AngularJS | Scoop.it

I've been an Angular guy for the past couple years, and I've gotten pretty good at it. I've seen its nooks and crannies, and I've grown fond of it.

But, like I said, it was hard to ignore React.

It's fast, it's light, it's new and shiny. So I dug in. I recently released an app, Farely, which I'd written in Angular. (Note: I didn't use directives like I should have.) I thought it'd be the perfect opportunity to try out React, since the app could be composed of components. It also wouldn't need anything React doesn't offer, like routing or complex data modeling.

And so I began the project. Below are my thoughts and observations, should they help inform your library choices. I'll assume you've been introduced to React and Angular, since there are great articles written about them elsewhere.


Via Jan Hesse, Piyas De
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Fixing Memory Leaks in AngularJS and other JavaScript Applications

Fixing Memory Leaks in AngularJS and other JavaScript Applications | AngularJS | Scoop.it

Dealing with memory leaks in JavaScript applications can be a complex process. In this article I'm going to show you how to identify whether you have memory leaks, analyse them and ultimately resolve them.

I'm using an AngularJS application to demonstrate the concepts and approaches, but much of this material applies to any JavaScript application.

 

Contents:

Understanding Memory Leaks What is a Memory Leak? Why is a Memory Leak Bad?Identifying Memory Leaks Method 1: The Wrong Way Method 2: The Timeline Method 3: Recording Heap Allocations Method 4: Heap SnapshotsAnalysing Memory Leaks Analysing the leak in Scenario 2 More on GraphsFixing Memory Leaks Three golden rules Anti-patterns to avoidThe Future Weak Maps AngularJS 2 Even Better BrowsersAppendices Thanks Mysteries Futher Reading


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Rick's curator insight, July 17, 9:45 AM

Resolving memory leaks can dramatically increase the performance of your application.

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Creating a Web App From Scratch Using AngularJS and Firebase

Creating a Web App From Scratch Using AngularJS and Firebase | AngularJS | Scoop.it

In this series, we'll be using AngularJS and Firebase to create a simple web application from scratch. It will be a simple blogging application where the user can sign in or sign up and publish a blog post.

This tutorial assumes you have basic knowledge of AngularJS, but it shouldn't be tough to pick up the topics along the way.


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React JS Injection into Angular JS Application or Fighting for Performance Increase

React JS Injection into Angular JS Application or Fighting for Performance Increase | AngularJS | Scoop.it
React JS Injection into Angular JS Application or Fighting for Performance Increase; Author: EastBancTech; Updated: 15 Aug 2014; Section: Client side scripting; Chapter: Web Development; Updated: 15 Aug 2014
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[Github Repo] - You-Dont-Know-JS -A JavaScript book series.

[Github Repo] - You-Dont-Know-JS -A JavaScript book series. | AngularJS | Scoop.it

The content for these books derives heavily from a series of training materials I teach professionally (in both public and private-corporate workshop format), called "Advanced JS: The 'What You Need To Know' Parts".

If you like this content and would like to contact me regarding conducting training on these, or other various JS/HTML5/node.js topics, please reach out to me through any of these channels listed here:

William delmas's insight:

https://www.kickstarter.com/projects/getify/you-dont-know-js-book-series

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Serge Libotte's curator insight, July 20, 6:17 PM
Interesting online books
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Is AngularJS Fast Enough?

Is AngularJS Fast Enough? | AngularJS | Scoop.it

“Angular is slow. And with dirty checking and HTML parsing always will be. You can’t fix broken design. Do I have to tel…


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Mob Programming AngularJs Dojo

The achieved goal :

  • angular js in a mvc .net project
  • 2 routes : home and event (ui-router)
  • An event page with headers, market type category selector, selection display
  • 100% code coverage but unit test written in Jasmin and run by Chutzpah
  • Web api consummation with Restangular
  • Web api 2.0 with an events route which return a mocked even
  • Create a “Angular Js best pratices” ppt : explain all the tricky point of angular (minify, module, scope, service, directive, promise, $ressource, Fouc,etc … + our conventions)
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Make a Todo Chrome Extension with AngularJS

Make a Todo Chrome Extension with AngularJS | AngularJS | Scoop.it

Hi there, AngularJS is my favorite javascript framework to build Single Page Application. Work with AngularJS is both fun and challenge. I've work with AngularJS to develop many websites, from  complex CRUB to entertainment websites. Later, I found that AngularJS is also a powerful tool to build Chrome Extension.

Chrome Extension are scripts which extend capabilities of Google Chrome browsers. They are build with HTML, Css, Javascript, after all they are just 

In this tutorial, we will use AngularJS to build this simple Todo Chrome Extension:

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How To Make A HealthKit App With Ionic and ngCordoa

How To Make A HealthKit App With Ionic and ngCordoa | AngularJS | Scoop.it

Since the release of the iOS 8 SDK, developers have access to the HealthKit App and its services. Through this service you can read and write body data like weight, height or store a complete sports workout session. To implement this feature in your Ionic app, you can make use of thengCordova wrapper for cordova plugins, and that’s what I will show you today.

We will make a simple App to write some general data and to submit a complete workout to the Health app, which will then be displayed inside the standard iOS app.



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Testing AngularJS with Protractor and Karma

Testing AngularJS with Protractor and Karma | AngularJS | Scoop.it

Since e2e tests are much more expensive than unit tests - e.g., they generally take more time to run and are harder to write and maintain - you should almost always focus the majority of your testing efforts on unit tests. It’s good to follow the 80/20 rule - 80% of your tests are unit tests, while 20% are e2e tests. That said, this tutorial series breaks this rule since the goal is to educate. Keep this in mind as you write your own tests against your own application.



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A curated list of angular-js directives.

A curated list of angular-js directives. | AngularJS | Scoop.it

Angular-js.in is a curated repository of the best angular-js directives, modules, services, bootstrap, ui, etc


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Comparing Angular 1.x & 2.0

Comparing Angular 1.x & 2.0 | AngularJS | Scoop.it

The Angular team faces a problem. How do you talk the great new features of Angular 2.0 under development without damaging use of the current 1.x? This effect is often called the Obsborne effect, named after a 1980s computer company whose marketing contributed to putting the company out of business. In short, the better 2.0 sounds, the less people will want to start or continue projects built with 1.x.

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A balanced approach between React and AngularJS

A balanced approach between React and AngularJS | AngularJS | Scoop.it

We mostly use AngularJS as our JS framework of choice. We don’t want to enter the current flame war; we simply think it is great. We don’t buy the “it’s too complex” argument - we do software development so we have to understand the tools we use. The AngularJS abstraction and terminology are what they are, but once you wrap your head around that, they make a lot of sense. The depth of the framework is why it is called a framework, it solves a lot of common pain points in an elegant and efficient way. Mostly…

The only argument that we do agree with is that it can be fairly common to get UI performance issues in AngularJS. DOM manipulation is far from being optimal, and watchers trigger DOM rebuilds fairly often. To be fair we have upgraded from Angular 1.2 to 1.3 and it is getting better, but not good enough to get the native touch we are looking for on the most complex pieces.

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Navtej Kohli CDC's comment, May 28, 5:59 AM
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Testing AngularJS Page with Protractor

Testing AngularJS Page with Protractor | AngularJS | Scoop.it

In this tip, I would like to describe how to perform E2E (End to End) Test using Protractor for an Angular JS page/site.


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Flattening Promise Chains

Flattening Promise Chains | AngularJS | Scoop.it

Promises are a great solution to address complexities of asynchronous requests and responses. AngularJS provides Promises using services such as $q and $http; other services also use promises, but I will not discuss those here.

Promises allow developers to easily attach 1x-only notifications of response to any asynchronous request/action. Promises also enable two (2) other very important things. We can:

  • Transform the responses before subsequent handlers (in the chain) are notified of the response.
  • Use the response to invoke more async requests (which could generate more promises).

But even more important than the features above, Promises support easy chaining of custom activity or computations. Managing sequences or chains of asynchronous activity can be a very difficult and complex effort. Promise chains are amazing and provide means to easily build sequences of asynchronous requests or asynchronous activity.

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Improving AngularJS long list rendering performance using ReactJS

Improving AngularJS long list rendering performance using ReactJS | AngularJS | Scoop.it

If you're reading this, you most probably tried to make a long and/or complex list of items using a ng-repeat directive, and after seeing how it performs in terms of speed, felt like AngularJS failed you.

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Let’s Write Fast JavaScript

Let's Write Fast JavaScript - The JavaScript Collection - Medium
A few interesting JavaScript benchmarks and tips

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Spring and Angular JS: A Secure Single Page Application

Spring and Angular JS: A Secure Single Page Application | AngularJS | Scoop.it
In this article we show some nice features of Spring Security, Spring Boot and Angular JS working together to provide a pleasant and secure user experience. It should be accessible to beginners with Spring and Angular JS, but there also is plenty of detail that will be of use to experts in either. This is actually the first in a series of articles on Spring Security and Angular JS, with new features exposed in each one successively. We’ll improve on the application in the second and subsequent installments, but the main changes after this are architectural rather than functional.

Via Jan Hesse
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AngularJS - Overcoming performance issues. Limits.

We will discuss about...

1. View watches / data bindings

2. What you see is what you show

3. The risk of polluting scopes

4. Core directives to avoid

5. Splitting the page

6. Miscellaneous

7. Limits


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AngularJS in Patterns

AngularJS in Patterns | AngularJS | Scoop.it

This example defines a simple directive, which is a UI component. The defined component (called “zippy”) has header and content. Click on its header toggles the visibility of the content.

From the first example we can note that the whole DOM tree is a composition of elements. The root component is the html element, directly followed by the nested elements head and bodyand so on…

In the second, JavaScript, example we see that the template property of the directive, contains markup with ng-transclude directive inside it. So this means that inside the directive zippy we have another directive called ng-transclude, i.e. composition of directives. Theoretically we can nest the components infinitely until we reach a leaf node.

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