Learning eBooks Page 15

Use QGIS to create great maps and perform all the geoprocessing tasks you need Overview Load and visualize vector and raster data Create and edit spatial data and perform spatial analysis Construct great maps and print them In Detail QGIS is a user friendly open source geographic information system (GIS) that runs on Linux, Unix, Mac OSX, and Windows. The popularity of open source geographic information systems and QGIS in particular has been growing rapidly over the last few years. More and more companies and institutions are adopting QGIS and even switching to QGIS as their main GIS. Learning QGIS is a practical, hands-on guide that provides you with clear, step-by-step exercises that will help you to apply your GIS knowledge to QGIS. Containing ...

A comprehensive guide to the world's leading enterprise configuration management system Overview Master the use of P4V - the Perforce Visual Client Get into the Perforce mindset for seamless use in your daily work Grasp key concepts and learn how to apply them for proper software configuration management Clear incremental approach from fundamentals to more advanced application of principles Step-by-step instructions with pointers and ideas for self-exploration and a sample repository to illustrate the ideas and guidance in the book Based on the authors experience training thousands of users around the world In Detail Learning Perforce SCM is a pragmatic how-to guide, explaining the key concepts and usage of Perforce. Based on the authors' experienc...

Make realistic and insightful network simulations with OMNeT++ Overview Create a virtual Network Simulation Environment rapidly Focus less on the theory and more on results, with clear, step-by-step instructions, previews, and examples to help you along the way Learn how to run and analyze a Network Simulation In Detail OMNeT++ is an extensible, modular, component-based C++ simulation library and framework, primarily for building network simulators. Network" in a broader sense includes wired and wireless communication networks, on-chip networks, queueing networks, and so on. There are extensions for real-time simulation, network emulation, alternative programming languages (Java, C#), database integration, SystemC integration, and several othe...

Leverage the power of Gerrit Code Review to make software development more cooperative and social Overview Understand the concepts of collective code review using Gerrit through a set of simple examples Integrate code review functionality into Continuous Integration with Jenkins Experiment with the code review lifecycle in real-life scenarios In Detail Developing software is now more than ever before a globally distributed activity: agile methodologies that worked well enough with co-located teams now need to be empowered with additional tools such as Gerrit code review to allow the developers to share, discuss, and cooperate in a more social way, even with GitHub. Learning Gerrit Code Review is a practical guide that provides you with step-by-step...

Use Devise to make your Rails application accessible, user friendly, and secure Overview Use Devise to implement an e-mail-based sign-in process in a few minutes Override Devise controllers to allow username-based sign-ins, and customize default Devise HTML views to change the look and feel of the authentication system Test your authentication codes to ensure stability In Detail There are numerous ways of implementing user sign-ins on your Rails web applications. Of those different ways, using Devise is one of the most popular, quick and flexible way to get user sign-ins working. It is extensible and plays well with other gems such as CanCan (for user privileges) and OmniAuth (for Facebook and Twitter sign-ins). A hands-on, all-in-one guide that gi...