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Using Client Methods

In this article by Isaac Strack , author of the book  Meteor Cookbook , we will cover the following recipe: Using the HTML FileReader to upload images

Running Metrics, Filters, and Timelines

In this article by Devangana Khokhar , the author of Gephi Cookbook , we'll learn about the statistical properties of graphical networks and how they can exploit these properties with the help of Gephi. Gephi provides some ready-to-use ways to study the statistical properties of graphical networks. These statistical properties include the properties of the network as a whole, as well as individual properties of nodes and edges within the network. This article will enable you to learn some of these properties and how to use Gephi to explore them. So let's get started!

Cleaning Data in PDF Files

In this article by Megan Squire , author of the book  Clean Data , we will experiment with several data decanters to extract all the good stuff hidden inside inscrutable PDF files. We will explore the following topics: What PDF files are for and why it is difficult to extract data from them How to copy and paste from PDF files, and what to do when this does not work How to shrink a PDF file by saving only the pages that we need How to extract text and numbers from a PDF file using the tools inside a Python package called pdfMiner How to extract tabular data from within a PDF file using a browser-based Java application called Tabula How to use the full, paid version of Adobe Acrobat to extract a table of data

Building Reusable Components

In this article by Suchit Puri , author of the book Ember.js Web Development with Ember CLI , we will focus on building reusable view components using Ember.js views and component classes. (For more resources related to this topic, see here .) In this article, we shall cover: Introducing Ember views and components: Custom tags with Ember.Component Defining your own components Passing data to your component Providing custom HTML to your components Extending Ember.Component: Changing your component's tag Adding custom CSS classes to your component Adding custom attributes to your component's DOM element Handling actions for your component Mapping component actions to the rest of your application

Text and appearance bindings and form field bindings

In this article by Andrey Akinshin , the author of Getting Started with Knockout.js for .Net Developers , we will look at the various binding offered by Knockout.js. Knockout.js provides you with a huge number of useful HTML data bindings to control the text and its appearance. In this section, we take a brief look at the most common bindings: The text binding The html binding The css binding The style binding The attr binding The visible binding

Creating a Spring Application

In this article by Jérôme Jaglale , author of the book  Spring Cookbook , we will cover the following recipes: Installing Java, Maven, Tomcat, and Eclipse on Mac OS Installing Java, Maven, Tomcat, and Eclipse on Ubuntu Installing Java, Maven, Tomcat, and Eclipse on Windows Creating a Spring web application Running a Spring web application Using Spring in a standard Java application

Architecture and Component Overview

In this article by Dan Radez , author of the book OpenStack Essentials , we will be understanding the internal architecture of the components that make up OpenStack. OpenStack has a very modular design, and because of this design, there are lots of moving parts. It's overwhelming to start walking through installing and using OpenStack without understanding the internal architecture of the components that make up OpenStack. Each component in OpenStack manages a different resource that can be virtualized for the end user. Separating each of the resources that can be virtualized into separate components makes the OpenStack architecture very modular. If a particular service or resource provided by a component is not required, then the component is optional to an OpenStack deployment. Let's start by outlining some simple categories to group these services into.

vROps – Introduction and Architecture

In this article by Scott Norris and Christopher Slater , the authors of  Mastering vRealize Operations Manager , we introduce you to vRealize Operations Manager and its component architecture. vRealize Operations Manager ( vROps ) 6.0 is a tool from VMware that helps IT administrators monitor, troubleshoot, and manage the health and capacity of their virtual environment. vROps has been developed from the stage of being a single tool to being a suite of tools known as vRealize Operations. This suite includes vCenter Infrastructure Navigator (VIN), vRealize Configuration Manager (vCM), vRealize Log Insight, and vRealize Hyperic. Due to its popularity and the powerful analytics engine that vROps uses, many hardware vendors supply adapters (now known as solutions) that allow IT administrators to extend monitoring, troubleshooting, and capacity planning to non-vSphere systems including storage, networking, applications, and even physical devices. In this article, we will learn what's new with vROps 6.0; specifically with respect to its architecture components. One of the most impressive changes with vRealize Operations Manager 6.0 is the major internal architectural change of components, which has helped to produce a solution that supports both a scaled-out and high-availability deployment model. In this article, we will describe the new platform components and the details of the new deployment architecture.

Financial Derivative – Options

In this article by Michael Heydt , author of  Mastering pandas for Finance , we will examine working with options data provided by Yahoo! Finance using pandas. Options are a type of financial derivative and can be very complicated to price and use in investment portfolios. Because of their level of complexity, there have been many books written that are very heavy on the mathematics of options. Our goal will not be to cover the mathematics in detail but to focus on understanding several core concepts in options, retrieving options data from the Internet, manipulating it using pandas, including determining their value, and being able to check the validity of the prices offered in the market.

Practical Dart

This article is written by Martin Sikora , the author of Dart Essentials . This article will focus on the most common features of Dart that you'll use every day for your next Dart project. In this article, we'll look at: Future-Based API, Dart's built-in library for working with asynchronous calls Creating Ajax requests in Dart How packages work in Dart The whole article is intended to be very practical. We'll create a small app that reads a JSON dictionary and lets you search among all the terms in it. To make it more complicated, we'll implement a so-called fuzzy search algorithm, which doesn't search exact matches but the same order of characters instead.

Node.js Fundamentals

This article is written by Krasimir Tsonev , the author of  Node.js By Example . Node.js is one of the most popular JavaScript-driven technologies nowadays. It was created in 2009 by Ryan Dahl and since then, the framework has evolved into a well-developed ecosystem. Its package manager is full of useful modules and developers around the world have started using Node.js in their production environments. In this article, we will learn about the following: Node.js building blocks The main capabilities of the environment The package management of Node.js

Getting Started with NW.js

In this article by Alessandro Benoit , author of the book  NW.js Essentials , we will learn that until a while ago, developing a desktop application that was compatible with the most common operating systems required an enormous amount of expertise, different programming languages, and logics for each platform.

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