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Subscribing to a report

 In this article by Johan Yu , the author of Salesforce Reporting and Dashboards , we get acquainted to the components used when working with reports on the Salesforce platform. Subscribing to a report is a new feature in Salesforce introduced in the Spring 2015 release. When you subscribe to a report, you will get a notification on weekdays, daily, or weekly, when the reports meet the criteria defined. You just need to subscribe to the report that you most care about.

Geolocating photos on the map

In this article by Joel Lawhead , author of the book,  QGIS Python Programming Cookbook uses the tags to create locations on a map for some photos and provide links to open them.

Cross-browser Tests using Selenium WebDriver

In this article by Prashanth Sams , author of the book  Selenium Essentials , helps you to perform efficient compatibility tests. Here, we will also learn about how to run tests on cloud. You will cover the following topics in the article: Selenium WebDriver compatibility tests Selenium cross-browser tests on cloud Selenium headless browser testing

Fun with Sprites – Sky Defense

This article is written by Roger Engelbert , the author of Cocos2d-x by Example: Beginner's Guide - Second Edition . Time to build our second game! This time, you will get acquainted with the power of actions in Cocos2d-x. I'll show you how an entire game could be built just by running the various action commands contained in Cocos2d-x to make your sprites move, rotate, scale, fade, blink, and so on. And you can also use actions to animate your sprites using multiple images, like in a movie. So let's get started. In this article, you will learn: How to optimize the development of your game with sprite sheets How to use bitmap fonts in your game How easy it is to implement and run actions How to scale, rotate, swing, move, and fade out a sprite How to load multiple .png files and use them to animate a sprite How to create a universal game with Cocos2d-x

WLAN Encryption Flaws

In this article by Cameron Buchanan , author of the book Kali Linux Wireless Penetration Testing Beginner's Guide . "640K is more memory than anyone will ever need."                                                                             Bill Gates, Founder, Microsoft Even with the best of intentions, the future is always unpredictable. The WLAN committee designed WEP and then WPA to be foolproof encryption mechanisms but, over time, both these mechanisms had flaws that have been widely publicized and exploited in the real world. WLAN encryption mechanisms have had a long history of being vulnerable to cryptographic attacks. It started with WEP in early 2000, which eventually was completely broken. In recent times, attacks are slowly targeting WPA. Even though there is no public attack available currently to break WPA in all general conditions, there are attacks that are feasible under special circumstances. In this section, we will take a look at the following topics: Different encryption schemas in WLANs Cracking WEP encryption Cracking WPA encryption


In this article by Deepak Vohra, author of the book, Advanced Java® EE Development with WildFly® you will see how to create a Java EE project and its pre-requisites. The objective of the EJB 3.x specification is to simplify its development by improving the EJB architecture. This simplification is achieved by providing metadata annotations to replace XML configuration. It also provides default configuration values by making entity and session beans POJOs ( Plain Old Java Objects ) and by making component and home interfaces redundant. The EJB 2.x entity beans is replaced with EJB 3.x entities. EJB 3.0 also introduced the Java Persistence API ( JPA ) for object-relational mapping of Java objects. WildFly 8.x supports EJB 3.2 and the JPA 2.1 specifications from Java EE 7. The sample application is based on Java EE 6 and EJB 3.1. The configuration of EJB 3.x with Java EE 7 is also discussed and the sample application can be used or modified to run on a Java EE 7 project. We have used a Hibernate 4.3 persistence provider. Unlike some of the other persistence providers, the Hibernate persistence provider supports automatic generation of relational database tables including the joining of tables. In this article, we will create an EJB 3.x project. This article has the following topics: Setting up the environment Creating a WildFly runtime Creating a Java EE project

REST – What You Didn't Know

Nowadays, topics such as cloud computing and mobile device service feeds, and other data sources being powered by cutting-edge, scalable, stateless, and modern technologies such as RESTful web services, leave the impression that REST has been invented recently. Well, to be honest, it is definitely not! In fact, REST was defined at the end of the 20th century. This article by Valentin Bojinov , author of the book RESTful Web API Design with Node.js , will walk you through REST's history and will teach you how REST couples with the HTTP protocol. You will look at the five key principles that need to be considered while turning an HTTP application into a RESTful-service-enabled application. You will also look at the differences between RESTful and SOAP-based services. Finally, you will learn how to utilize already existing infrastructure for your benefit. In this article, we will cover the following topics: A brief history of REST REST with HTTP RESTful versus SOAP-based services Taking advantage of existing infrastructure

Creating Custom Reports and Notifications for vSphere

In this article by Philip Sellers , the author of  PowerCLI Cookbook , you will cover the following topics: Getting alerts from a vSphere environment Basics of formatting output from PowerShell objects Sending output to CSV and HTML Reporting VM objects created during a predefined time period from VI Events object Setting custom properties to add useful context to your virtual machines Using PowerShell native capabilities to schedule scripts

Handling Image and Video Files

This article written by Gloria Bueno García , Oscar Deniz Suarez , José Luis Espinosa Aranda , Jesus Salido Tercero , Ismael Serrano Gracia , and Noelia Vállez Enanois , the authors of Learning Image Processing with OpenCV , is intended as a first contact with OpenCV, its installation, and first basic programs. We will cover the following topics: A brief introduction to OpenCV for the novice, followed by an easy step-by-step guide to the installation of the library A quick tour of OpenCV's structure after the installation in the user's local disk Quick recipes to create projects using the library with some common programming frameworks How to use the functions to read and write images and videos

Classifying with Real-world Examples

This article by the authors, Luis Pedro Coelho and Willi Richert , of the book, Building Machine Learning Systems with Python - Second Edition , focuses on the topic of classification . You have probably already used this form of machine learning as a consumer, even if you were not aware of it. If you have any modern e-mail system, it will likely have the ability to automatically detect spam. That is, the system will analyze all incoming e-mails and mark them as either spam or not-spam. Often, you, the end user, will be able to manually tag e-mails as spam or not, in order to improve its spam detection ability. This is a form of machine learning where the system is taking examples of two types of messages: spam and ham (the typical term for "non spam e-mails") and using these examples to automatically classify incoming e-mails. The general method of classification is to use a set of examples of each class to learn rules that can be applied to new examples. This is one of the most important machine learning modes and is the topic of this article. Working with text such as e-mails requires a specific set of techniques and skills. For the moment, we will work with a smaller, easier-to-handle dataset. The example question for this article is, "Can a machine distinguish between flower species based on images?" We will use two datasets where measurements of flower morphology are recorded along with the species for several specimens. We will explore these small datasets using a few simple algorithms. At first, we will write classification code ourselves in order to understand the concepts, but we will quickly switch to using scikit-learn whenever possible. The goal is to first understand the basic principles of classification and then progress to using a state-of-the-art implementation.

Introducing GameMaker

In this article by Nathan Auckett , author of the book GameMaker Essentials , you will learn what GameMaker is all about, who made it, what it is used for, and more. You will then also be learning how to install GameMaker on your computer that is ready for use.

Category Theory

In this article written by Dan Mantyla , author of the book Functional Programming in JavaScript , you would get to learn about some of the JavaScript functors such as Maybes, Promises and Lenses.

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