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Performance eBooks

High Performance iOS Apps High Performance iOS Apps

Ready to build mobile apps that out-perform the rest? If you're an iOS developer with app-building experience, this practical guide provides tips and best practices to help you solve many common performance issues. You'll learn how to design and optimize iOS apps that deliver a smooth experience even when the network is poor and memory is low. Today's picky users want fast and responsive apps that don't hog resources. In this book, author Gaurav Vaish demonstrates methods for writing optimal code from an engineering perspective, using reusable Objective-C code that you can use right away. Up your game and create high-performance native iOS apps that truly stand out from the crowd. Measure key performance indicators - attributes that constitute and affect app performance; Write efficient apps by minimizing memory and power consumption, and explore options for using available CPU cores; Optimize your app's lifecycle and UI, as well as its networking, data sharing, ...
High Performance Mobile Web High Performance Mobile Web

Optimize the performance of your mobile websites and webapps to the extreme. With this hands-on book, veteran mobile and web developer Maximiliano Firtman demonstrates which aspects of your site or app slow down the user's experience, and what you can do to achieve lightning-fast performance. There's much at stake: if you want to boost your app's conversion rate, then tackling performance issues is the best way to start. Learn tools and techniques for working with responsive web design, images, the network layer, and many other ingredients—plus the metrics to check your progress. Ideal for web developers and web designers with HTML, CSS, JavaScript, and HTTP experience, this is your guide to superior mobile web performance. You'll dive into: Emulators, simulators, and other tools for measuring performance; Basic web performance concepts, including metrics, charts, and goals; How to get real data from mobile browsers on your real networks; APIs and specs for measu ...
Dynamic SQL Dynamic SQL

This book is an introduction and deep-dive into the many uses of dynamic SQL in Microsoft SQL Server. Dynamic SQL is key to large-scale searching based upon user-entered criteria. It's also useful in generating value-lists, in dynamic pivoting of data for business intelligence reporting, and for customizing database objects and querying their structure. Executing dynamic SQL is at the heart of applications such as business intelligence dashboards that need to be fluid and respond instantly to changing user needs as those users explore their data and view the results. Yet dynamic SQL is feared by many due to concerns over SQL injection attacks. Reading Dynamic SQL: Applications, Performance and Security is your opportunity to learn and master an often misunderstood feature, including security and SQL injection. All aspects of security relevant to dynamic SQL are discussed in this book. You will learn many ways to save time and develop code more efficiently, and you will pra ...
Optimizing Java Optimizing Java

Currently, no books exist that focus on the practicalities of Java application performance tuning, as opposed to the theory and internals of Java virtual machines. This practical guide is the "missing link" that aims to move Java performance tuning from the realm of guesswork and folklore to an experimental science. Learn how to approach performance problems in an consistent and systematic way; Resolve production performance issues by learning core Java performance topics; Identify and resolve performance issues before encountering them in production; Understand the performance problems you encounter by learning the Java platform's internals. ...
Getting Started with Julia Programming Getting Started with Julia Programming

Julia is a new open source programming language that is used in the field of data science computing. It was created to solve the dilemma between high-level slow code and fast but low-level code, and the necessity to use both to achieve high performance. This book will give you a head start to tackle your numerical and data problems with Julia. Your journey will begin by learning how to set up a running Julia platform before exploring its various built-in types. You will then move on to cover the different functions and constructs in Julia. The book will then walk you through the two important collection types—arrays and matrices. Over the course of the book, you will also be introduced to homoiconicity, the meta-programming concept in Julia. Towards the concluding part of the book, you will also learn how to run external programs. This book will cover all you need to know about Julia to leverage its high speed and efficiency. ...
You Don You Don't Know JS: Async & Performance

No matter how much experience you have with JavaScript, odds are you don't fully understand the language. As part of the "You Don't Know JS" series, this concise yet in-depth guide focuses on new asynchronous features and performance techniques—including Promises, generators, and Web Workers—that let you create sophisticated single-page web applications and escape callback hell in the process. Like other books in this series, You Don't Know JS: Async & Performance dives into trickier parts of the language that many JavaScript programmers simply avoid. Armed with this knowledge, you can become a true JavaScript master. ...
Joomla! 3 SEO and Performance Joomla! 3 SEO and Performance

Joomla 3 SEO and Performance is a concise, 188-page book that helps you to build websites that dominate search engine rankings and have super-fast load times, giving your sites an increased audience. The book takes a very practical approach full of real-world examples. It does not just provide instructions, but also teaches you the logic behind what you are doing. It will make you breathe SEO while building your websites, which is the only way to success. Joomla 3 SEO and Performance starts with the Joomla core SEO possibilities. It shows how even if you are a relative newcomer to Joomla you will be able to build sites that rank high in Google without having to install complicated plugins. The remaining chapters dig much deeper, both into Joomla, and into the use of SEO plugins and extensions with a full chapter dedicated to SH404SEF, probably the best SEO extension for Joomla. ...
Healthy SQL Healthy SQL

Healthy SQL is about ensuring the ongoing performance health of a SQL Server database. An unhealthy database is not just an inconvenience; it can bring a business to its knees. And if you are the database administrator, the health of your SQL Server implementation can be a direct reflection on you. It's in everyone's best interest to have a healthy SQL implementation. Healthy SQL is built around the concept of a medical checkup, giving you the tools you need to assess the current health of your database and take action to improve upon that health and maintain good performance to your business. Healthy SQL aids in developing a rigorous routine so that you know how healthy your SQL Server machines are, and how you can keep those same servers healthy and fit for duty. The book is filled with practical advice and a time-tested strategy, helping you put together a regimen that will ensure your servers are healthy, your implementation is fully optimized, your services are re ...
Mastering JavaScript High Performance Mastering JavaScript High Performance

Studying JavaScript performance in depth will make you capable of tackling the complex and important tasks required to solve performance issues. In this book, you'll learn when and why to use an IDE over a common text editor. Packed with examples, you'll also learn how to create a build system to test and deploy your JavaScript project by optimizing the code. Next, you will move on to learn about DOM optimization, JavaScript promises, and web workers to better break up your large codebase. You will also learn about JavaScript performance on mobile platforms such as iOS and Android and how to deploy your JavaScript project to a device. Finally, by the end of the book, you'll be able to pinpoint JavaScript performance problems using appropriate tools, provide optimization techniques, and provide tools to develop fast applications with JavaScript. ...
High Performance Mobile Web High Performance Mobile Web

Today, mobile is a must for every company, but how you reach users will determinate success or failure. Over high-latency and unreliable cellular networks, performance on mobile is the key to success and conversion. This book will give you the knowledge and tools to measure your mobile website or webapp performance how to find bottlenecks and the tips to deliver the fastest possible experience to end-users. ...
Using WebPagetest Using WebPagetest

Learn basic and advanced uses of WebPagetest, the performance measurement tool for optimizing websites. This practical guide shows users new to this tool how run tests and interpret results, and helps experienced users gain a better and more thorough understanding of hidden features in WebPagetest that make testing easier. Written by WebPagetest power users and performance experts, this book will help web developers and frontend engineers solve the problem of slow sites. Basic test setup: shows beginners how to get meaningful results; Advanced test setup: provides another level of technical depth by explaining features not thoroughly documented at webpagetest.org; Analysis of results: helps you understand of how to interpret test results; Private instance setup: teaches power users the intricacies of the webpagetest private instance and how it works; API and external tools: provides a detailed reference for the API and demonstrates tools already using the API to extend ...
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