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Rescooped by Angel Garcia Carrasco from Big Data Spain
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The Evolution of the Hadoop Ecosystem

Apache Hadoop started as batch: simple, powerful, efficient, scalable, and a shared platform. However, Hadoop is more than that. It's true strengths are: Scalab

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Rescooped by Angel Garcia Carrasco from Big Data and NoSQL Daily
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MongoDB Primary Keys Are Your Friend

MongoDB Primary Keys Are Your Friend | mongoDB | Scoop.it

All documents in a MongoDB collection have a primary key dubbed _id. This field is automatically assigned to a document upon insert, so there’s rarely a need to provide it. What’s interesting about the _id field is that it is time based. That is, the underlying type of _id, which is ObjectId, is a 12-byte BSON type, and 4 of those bytes represent the seconds since Unix epoch.

 

What’s also special about the _id field is that it is automatically indexed as you can see below by calling getIndexes on any collection.


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Rescooped by Angel Garcia Carrasco from playframework
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Huffington Post Chooses MongoDB, Scala and Angular JS

Huffington Post Chooses MongoDB, Scala and Angular JS | mongoDB | Scoop.it
Programming book reviews, programming tutorials,programming news, C#, Ruby, Python,C, C++, PHP, Visual Basic, Computer book reviews, computer history, programming history, joomla, theory, spreadsheets and more.

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Rescooped by Angel Garcia Carrasco from JavaScript for Line of Business Applications
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Advantages of using MongoDB in a Single Page Web Application

In a Single Page Web Application, much of the data that is in active usage is stored on the client side, reducing the amount of chatter that needs to happen over the wire. In the client, this data is stored in JSON. In a Single Page Web Application, much of the communication between the client and server is done over AJAX, with data transmitted in JSON strings. Because the data is transmitted and stored and used in the same format, there is no impedance mismatch requiring marshalling data from one format to another. This results in both quicker development and execution time.


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Rescooped by Angel Garcia Carrasco from JavaScript for Line of Business Applications
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Angulartics | Web analytics for AngularJS applications

Angulartics | Web analytics for AngularJS applications | mongoDB | Scoop.it
Angulartics is an AngularJS module that lets you implement web analytics using the vendor of your choice.

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Rescooped by Angel Garcia Carrasco from JavaScript for Line of Business Applications
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Building a RESTful Application With PHP & MongoDB - Part 1

Building a RESTful Application With PHP & MongoDB - Part 1 | mongoDB | Scoop.it

So, What are the things we gonna see...

Updated structuring for AngularJSMaking an RESTFUL API CallUse of AngularJs ResourceThe example tutorial is simple 'yet another blog' stuff, now we are only going to see how to make the API call only and nothing else. (need to go slowly)

Sometime ago, we have learned how to automate stuffs with the help of Yeoman and GruntJs. But, in growing application, we need to properly place certain files in certain places so we can jump to files easily(With the help of Sublime Of course!). 


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Implementing Aggregation Functions in MongoDB

Implementing Aggregation Functions in MongoDB | mongoDB | Scoop.it
In this article, authors Arun Viswanathan and Shruthi Kumar discuss how to implement common aggregation functions on a MongoDB document database using its MapReduce functionality.
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MongoDB: la MySQL del NoSQL | Blog – 4TIC

MongoDB: la MySQL del NoSQL | Blog – 4TIC | mongoDB | Scoop.it
Gestión de expedientes y administración electrónica completa y open source mediante OpenSAT, servicios de firma digital, facturació electrónica y repositorio digital para integrar en sus aplicaciones con 4Sign, transcripción de textos antiguos...
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Rescooped by Angel Garcia Carrasco from Big Data Spain
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¿Qué es Hadoop? | MomentoTIC

¿Qué es Hadoop? | MomentoTIC | mongoDB | Scoop.it
Hadoop es un sistema de código abierto que se utiliza para almacenar, procesar y analizar grandes volúmenes de datos; cientos de terabytes, petabytes o incluso más. Hadoop surgió como iniciativa open source (software ...

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Rescooped by Angel Garcia Carrasco from Cloud & Big Data Platform
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MongoDB and Fractal Tree Indexes

Interested in learning more about MongoDB? Sign up for MongoSV, the largest annual user conference dedicated to MongoDB. Learn more at MongoSV.com

Via Steve Hyounggi Min
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Rescooped by Angel Garcia Carrasco from JavaScript for Line of Business Applications
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NeDB: a lightweight Javascript database using MongoDB's API

NeDB: a lightweight Javascript database using MongoDB's API | mongoDB | Scoop.it

Sometimes you need database functionality but want to avoid the constraints that come with installing a full-blown solution. Maybe you are writing a Node service or web application that needs to be easily packageable, such as a continuous integration server. Maybe you’re writing a desktop application with Node Webkit, and don’t want to ask your users to install an external database. That’s when you needNeDB.

NeDB is a lightweight database written entirely in Javascript, and that implements the well-known and loved MongoDB API. It is packaged as a Node module that be used with a simple require and can be used as an in-memory only or persistent datastore. You can think of it as SQLite for MongoDB projects.


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Rescooped by Angel Garcia Carrasco from JavaScript for Line of Business Applications
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AngularJS : unit tests and end to end tests

AngularJS : unit tests and end to end tests | mongoDB | Scoop.it

If there is one feature compared to other JS framework that make AngularJS better, it is the ability to implement tests. This is normal I would say since the framework was developed by integrating this fundamental aspect at the beginning.

But AngularJS is not magic either, as anyone who has implemented tests know, it is important to think its code for testing. You have to be careful not using objects or methods without knowing whether they will be easily testable. For example, a controller, if in one of the calls are made there is DOM access via jQuery for example, this code immediately become complex to test.
Unfortunately, current tools do not allow us to make TDD as easily than with Java, when I writing a test the IDE will propose the creation of classes and methods. However, nothing prevents it.


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Rescooped by Angel Garcia Carrasco from JavaScript for Line of Business Applications
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Using an AngularJS Factory to Interact with a RESTful Service

Using an AngularJS Factory to Interact with a RESTful Service | mongoDB | Scoop.it

AngularJS provides a great framework for building robust Single Page Applications (SPAs) and provides built-in support for routing, MV*-style programming, services and factories, modules, testing, and much more. Although Angular can consume virtually any HTTP resource, in this post I’m going to focus on using it to consume a RESTful API created using ASP.NET Web API (note that any back-end service could be used). If you’ve worked with jQuery before then you’re used to calls such as $.getJSON() or $.ajax(). Although Angular plays really well with jQuery, it has built-in HTTP functionality that can be used out of the box and a way to encapsulate data functionality using factories or services.

Let’s kick things off by taking a look at a basic backend service written using ASP.NET Web API and then walk through several AngularJS features including a factory that talks to the service.


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Rescooped by Angel Garcia Carrasco from Symfony2 Framework
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Custom MongoDB Security Provider in Symfony2

At work, we’ve decided to upgrade our entire workflow. One of the main decisions we’ve had to make, was which PHP framework we wanted to start using. I have quite some experience with Zend Framework, so I was kinda biased towards that framework. However, the team didn’t want to create a new codebase on ZF1. Since waiting till ZF2 is released was not an option, we decided to give Symfony2 a try.

To each build up some experience with SF2, each team member was tasked to create a blog system with SF2. I decided to use MongoDB as my preferred method of data persistence, since the rest of the team also showed quite some interest in using this technology. Following the documentation on the Symfony2 website, I quickly set up my BlogBundle, with an administration interface and everything. The next step was to secure the backoffice with user credentials coming from a MongoDB collection. This is when a whole world of hurt opened up: almost no information on the intertubes on how to do this. I figured out I would need a custom UserInterface and UserProviderInterface. People kept referring to theFOSUserBundle. The Friends of Symfony are a cool bunch, but I wanted to write my own code, as part of the learning process. A couple of hours and an almost-headache later, I had figured it out. Since there will probably be other people struggling with this, here’s how I did it.


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12 Months with MongoDB | Wordnik

Happy Monday everyone! As previously blogged, Wordnik is a heavy user of 10gen's MongoDB.
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mongo, the MongoDB Shell

mongo, the MongoDB Shell | mongoDB | Scoop.it
The MongoDB shell (mongo) is an extended SpiderMonkey (JavaScript) shell, so you can use it to execute JavaScript code just like you’re used to writing.
The shell is best at things like testing out...
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