JavaScript with Promises
Asynchronous JavaScript is everywhere, whether you're using Ajax, AngularJS, Node.js, or WebRTC. This practical guide shows intermediate to advanced JavaScript developers how Promises can help you manage asynchronous code effectively - including the inevitable flood of callbacks as your codebase grows. You'll learn the inner workings of Promises and ways to avoid difficulties and missteps when using them. The ability to asynchronously fetch data and load scripts in the browser broadens the capabilities of JavaScript applications. But if you don't understand how the async part works, you'll wind up with unpredictable code that's difficult to maintain. This book is ideal whether you're new to Promises or want to expand your knowledge of this technology. ...
Asynchronous JavaScript is everywhere, whether you're using Ajax, AngularJS, Node.js, or WebRTC. This practical guide shows intermediate to advanced JavaScript developers how Promises can help you manage asynchronous code effectively - including the inevitable flood of callbacks as your codebase grows. You'll learn the inner workings of Promises and ways to avoid difficulties and missteps when using them. The ability to asynchronously fetch data and load scripts in the browser broadens the capabilities of JavaScript applications. But if you don't understand how the async part works, you'll wind up with unpredictable code that's difficult to maintain. This book is ideal whether you're new to Promises or want to expand your knowledge of this technology. ...
Colors, Backgrounds, and Gradients
One advantage of using CSS3 is that you can apply colors and backgrounds to any element in a web document, create your own gradients, and even apply multiple backgrounds to the same element. This practical guide shows you many ways to use colors, backgrounds, and gradients to achieve some pretty awesome effects. Short and sweet, this book is an excerpt from the upcoming fourth edition of CSS: The Definitive Guide. When you purchase either the print or the ebook edition of Colors, Backgrounds, and Gradients, you'll receive a discount on the entire Definitive Guide once it's released. Why wait? Learn how to bring life to your web pages now. ...
One advantage of using CSS3 is that you can apply colors and backgrounds to any element in a web document, create your own gradients, and even apply multiple backgrounds to the same element. This practical guide shows you many ways to use colors, backgrounds, and gradients to achieve some pretty awesome effects. Short and sweet, this book is an excerpt from the upcoming fourth edition of CSS: The Definitive Guide. When you purchase either the print or the ebook edition of Colors, Backgrounds, and Gradients, you'll receive a discount on the entire Definitive Guide once it's released. Why wait? Learn how to bring life to your web pages now. ...
Web Scraping with Python
Learn web scraping and crawling techniques to access unlimited data from any web source in any format. With this practical guide, you'll learn how to use Python scripts and web APIs to gather and process data from thousands - or even millions - of web pages at once. Ideal for programmers, security professionals, and web administrators familiar with Python, this book not only teaches basic web scraping mechanics, but also delves into more advanced topics, such as analyzing raw data or using scrapers for frontend website testing. Code samples are available to help you understand the concepts in practice. ...
Learn web scraping and crawling techniques to access unlimited data from any web source in any format. With this practical guide, you'll learn how to use Python scripts and web APIs to gather and process data from thousands - or even millions - of web pages at once. Ideal for programmers, security professionals, and web administrators familiar with Python, this book not only teaches basic web scraping mechanics, but also delves into more advanced topics, such as analyzing raw data or using scrapers for frontend website testing. Code samples are available to help you understand the concepts in practice. ...
Microsoft System Center PowerShell Essentials
Microsoft PowerShell as a scripting language has been growing strongly over the last couple of years. It has given administrators and IT professionals much more control when managing and implementing tasks within System Center environments. System Center facilitates the configuring, monitoring, and managing of the components of a private cloud. It covers products such as SCCM, SCOM, SCSM, SCVMM, and so on. Starting with an introduction to PowerShell, this quick reference guide will enable you to get the most out of the latest Microsoft PowerShell techniques to manage the suite of System Center products. You will also get acquainted with the enhancements in the latest version of System Center automation with real-time examples. By the end of this book, you will have the confidence to create a variety of PowerShell scripts and efficiently administer and maintain your System Center environment with PowerShell. ...
Microsoft PowerShell as a scripting language has been growing strongly over the last couple of years. It has given administrators and IT professionals much more control when managing and implementing tasks within System Center environments. System Center facilitates the configuring, monitoring, and managing of the components of a private cloud. It covers products such as SCCM, SCOM, SCSM, SCVMM, and so on. Starting with an introduction to PowerShell, this quick reference guide will enable you to get the most out of the latest Microsoft PowerShell techniques to manage the suite of System Center products. You will also get acquainted with the enhancements in the latest version of System Center automation with real-time examples. By the end of this book, you will have the confidence to create a variety of PowerShell scripts and efficiently administer and maintain your System Center environment with PowerShell. ...
Learning RHEL Networking
Red Hat Enterprise Linux (RHEL) is the most popular Linux distribution currently being used and can be deployed on many platforms. Enterprises that have a large number of systems need to be interconnected, configured, and managed effectively. RHEL networking lets you accomplish these tasks easily. This is a highly-detailed guide to help with your deployments on RHEL 7 or CentOS 7. This book, based on RHEL 7.1, will introduce to you the fundamentals of networking your systems. You will learn the use of new consistent names to identify your network cards. Soon, you will move on to configuring the basic plumbing of your network, setting up time, network address assignment, and name resolution. Last, the focus moves to configuring the new kernel-based iSCSI target services on RHEL 7 and using the service to host storage area networks. ...
Red Hat Enterprise Linux (RHEL) is the most popular Linux distribution currently being used and can be deployed on many platforms. Enterprises that have a large number of systems need to be interconnected, configured, and managed effectively. RHEL networking lets you accomplish these tasks easily. This is a highly-detailed guide to help with your deployments on RHEL 7 or CentOS 7. This book, based on RHEL 7.1, will introduce to you the fundamentals of networking your systems. You will learn the use of new consistent names to identify your network cards. Soon, you will move on to configuring the basic plumbing of your network, setting up time, network address assignment, and name resolution. Last, the focus moves to configuring the new kernel-based iSCSI target services on RHEL 7 and using the service to host storage area networks. ...
JavaScript Regular Expressions
Regular expressions are patterns or templates that allow you to define a set of rules in a natural yet vague way, giving you the ability to match and validate text. Therefore, they have been implemented in nearly every modern programming language. JavaScript's implementation allows us to perform complex tasks with a few lines of code using regular expressions to match and extract data out of text. This book starts by exploring what a pattern actually is and how regular expressions express these patterns to match and manipulate user data. You then move on to learning about the use of character classes to define a wild character match, a digit match, and an alphanumeric match. You will then learn to manipulate text and shorten data in URLs, paths, markup, and data exchange, as well as other advanced Regex features. Finally, you will work through real-world examples, both in the browser and on the server side using Node.js. ...
Regular expressions are patterns or templates that allow you to define a set of rules in a natural yet vague way, giving you the ability to match and validate text. Therefore, they have been implemented in nearly every modern programming language. JavaScript's implementation allows us to perform complex tasks with a few lines of code using regular expressions to match and extract data out of text. This book starts by exploring what a pattern actually is and how regular expressions express these patterns to match and manipulate user data. You then move on to learning about the use of character classes to define a wild character match, a digit match, and an alphanumeric match. You will then learn to manipulate text and shorten data in URLs, paths, markup, and data exchange, as well as other advanced Regex features. Finally, you will work through real-world examples, both in the browser and on the server side using Node.js. ...
Less Web Development Essentials, 2nd Edition
Less is a preprocessor for CSS that uses less.js for real-time compilation, unlike other preprocessors. Building responsive websites with advanced features such as gradients and animations makes your CSS code complex. Less helps you to write clean, reusable, and maintainable CSS. Starting off with the fundamental concepts of Less and CSS, you are taken on a tour of how to improve your web development skills with Less. Next, you get to grips with mixins and variables in Less, which help you to avoid code duplication and write reusable code. Then, you venture into the concepts of nested rules, operations, and built-in functions, which help you in the dynamic creation of CSS properties and help you to create shorter and effective style sheets. ...
Less is a preprocessor for CSS that uses less.js for real-time compilation, unlike other preprocessors. Building responsive websites with advanced features such as gradients and animations makes your CSS code complex. Less helps you to write clean, reusable, and maintainable CSS. Starting off with the fundamental concepts of Less and CSS, you are taken on a tour of how to improve your web development skills with Less. Next, you get to grips with mixins and variables in Less, which help you to avoid code duplication and write reusable code. Then, you venture into the concepts of nested rules, operations, and built-in functions, which help you in the dynamic creation of CSS properties and help you to create shorter and effective style sheets. ...
Neo4j Cookbook
Neo4j is an open source graph database written in Java. Graph databases provide an excellent way to get richer insight into data and lower the bar for entry into the data science world. Starting with a practical and vital introduction to Neo4j and various aspects of Neo4j installation, you will learn how to connect and access Neo4j servers from programming languages such as Java, Python, Ruby, and Scala. You will also learn about Neo4j administration and maintenance before expanding and advancing your knowledge by dealing with large Neo4j installations and optimizing them for both storage and querying. This is a practical guide full of examples and Neo4j recipes. The recipes are well explained with code samples that are updated for the latest version of Neo4j. ...
Neo4j is an open source graph database written in Java. Graph databases provide an excellent way to get richer insight into data and lower the bar for entry into the data science world. Starting with a practical and vital introduction to Neo4j and various aspects of Neo4j installation, you will learn how to connect and access Neo4j servers from programming languages such as Java, Python, Ruby, and Scala. You will also learn about Neo4j administration and maintenance before expanding and advancing your knowledge by dealing with large Neo4j installations and optimizing them for both storage and querying. This is a practical guide full of examples and Neo4j recipes. The recipes are well explained with code samples that are updated for the latest version of Neo4j. ...
NW.js Essentials
Using Node.js, we can create web applications easily. Now, thanks to NW.js, we can also create desktop apps with it using a unique combination of HTML5 and Node. NW.js is a runtime application based on Chromium and Node.js. In this book, you'll discover how to leverage well-known programming languages, such as JavaScript, HTML, and CSS in order to create NW.js desktop applications. You will implement your first simple application right from the first chapter and see how easy it is to use the platform, after which you will learn about Native UI APIs and the different approaches to Node.js programming. You'll get a complete picture of the many possible ways to package and deploy NW.js applications on Microsoft Windows, Mac OS X, and Linux. So, get ready to explore NW.js and build a real, and complex, application. ...
Using Node.js, we can create web applications easily. Now, thanks to NW.js, we can also create desktop apps with it using a unique combination of HTML5 and Node. NW.js is a runtime application based on Chromium and Node.js. In this book, you'll discover how to leverage well-known programming languages, such as JavaScript, HTML, and CSS in order to create NW.js desktop applications. You will implement your first simple application right from the first chapter and see how easy it is to use the platform, after which you will learn about Native UI APIs and the different approaches to Node.js programming. You'll get a complete picture of the many possible ways to package and deploy NW.js applications on Microsoft Windows, Mac OS X, and Linux. So, get ready to explore NW.js and build a real, and complex, application. ...
Learning Django Web Development
Django, written in Python, is a web application framework designed to build complex web applications quickly without any hassle. It loosely follows the MVC pattern and adheres to the Don't Repeat Yourself principle, which makes a database-driven application efficient and highly scalable, and is by far the most popular and mature Python web framework. This book is a manual that will help you build a simple yet effective Django web application. It starts by introducing Django, setting it up, and shows you how to code simple programs. You will then learn to build your first Twitter-like app. Later on, you will be introduced to Hashtags, AJAX to enhance the user interface, and tweets. You will then move on to create an administration interface, learn database connectivity, and use third-party libraries. Then you will learn to debug and deploy Django projects, and also get a glimpse of Django with AngularJS and Elasticsearch. By the end of the book, you will be able to leverage the Djang ...
Django, written in Python, is a web application framework designed to build complex web applications quickly without any hassle. It loosely follows the MVC pattern and adheres to the Don't Repeat Yourself principle, which makes a database-driven application efficient and highly scalable, and is by far the most popular and mature Python web framework. This book is a manual that will help you build a simple yet effective Django web application. It starts by introducing Django, setting it up, and shows you how to code simple programs. You will then learn to build your first Twitter-like app. Later on, you will be introduced to Hashtags, AJAX to enhance the user interface, and tweets. You will then move on to create an administration interface, learn database connectivity, and use third-party libraries. Then you will learn to debug and deploy Django projects, and also get a glimpse of Django with AngularJS and Elasticsearch. By the end of the book, you will be able to leverage the Djang ...