Consumers prefer fast, no-nonsense web experiences, yet reports show that the top 2,000 retail websites have grown increasingly bigger and slower over the past three years. In this O'Reilly report, content strategist Terrence Dorsey examines why web pages have become so fat, and offers guidelines to help your company reverse the trend.
Bigg...
To quote Arthur Conan Doyle, "It has long been an axiom of mine that the little things are infinitely the most important." While I usually associate that quote with the toppings I want on my sundae, it rings true for the holistic view of DevOps.
Configuration Management is critical, and you should have a system in place to handle the b...
Imagine you had to write a postmortem containing statements like these?
- We were unable to resolve the outage as quickly as we would have hoped because our decision making was impacted by extreme stress.
- We spent two hours repeatedly applying the fix that worked during the previous outage, only to find out that it made no difference in this on...
You need more than great dev tools to release great software; you need an efficient pipeline that takes advantage of modern Agile development practices. Serverless platforms like AWS offer the basic building blocks you need to run code, store data, or process streaming information so you can focus on the features you want to provide, not get bogged...
If you want to learn how to program, working with Python is an excellent way to start. This hands-on guide takes you through the language a step at a time, beginning with basic programming concepts before moving on to functions, recursion, data structures, and object-oriented design. This second edition and its supporting code have been updated for...
Complexity science uses computation to explore the physical and social sciences. In Think Complexity, you'll use graphs, cellular automata, and agent-based models to study topics in physics, biology, and economics.
Whether you're an intermediate-level Python programmer or a student of computational modeling, you'll delve into exam...
Modeling and Simulation in Python is an introduction to physical modeling using a computational approach. It is organized in three parts:
- The first part presents discrete models, including a bikeshare system and world population growth.
- The second part introduces first-order systems, including models of infectious disease, thermal systems, an...
For the right use case, relational databases are powerful tools.
But today's users are asking for more than an RDBMS can handle. More features, more data, more speed and - most importantly - more connections.
This ebook introduces you - the RDBMS developer - to a new technology that leverages data connections like never before: the graph...
This open access textbook takes the reader step-by-step through the concepts of mechanics in a clear and detailed manner. Mechanics is considered to be the core of physics, where a deep understanding of the concepts is essential in understanding all branches of physics. Many proofs and examples are included to help the reader grasp the fundamentals...
This open access volume presents state-of-the-art inference methods in population genomics, focusing on data analysis based on rigorous statistical techniques. After introducing general concepts related to the biology of genomes and their evolution, the book covers state-of-the-art methods for the analysis of genomes in populations, including demog...
Selfies, blogs and lifelogging devices help us understand ourselves, building on long histories of written, visual and quantitative modes of self-representations. This book uses examples to explore the balance between using technology to see ourselves and allowing our machines to tell us who we are....
This text offers a comprehensive and nuanced view of the economic development of Spain since 1850. It provides a new set of historical GDP estimates for Spain from the demand and supply sides, and presents a reconstruction of production and expenditure series for the century prior to the introduction of modern national accounts. The author spl...
Horrified by the Holocaust, social psychologist Stanley Milgram wondered if he could recreate the Holocaust in the laboratory setting. Unabated for more than half a century, his (in)famous results have continued to intrigue scholars. Based on unpublished archival data from Milgram's personal collection, volume one of this two-volume set introd...
The papers presented in this open access book address diverse challenges in decarbonizing energy systems, ranging from operational to investment planning problems, from market economics to technical and environmental considerations, from distribution grids to transmission grids, and from theoretical considerations to data provision concerns and app...
This book presents a comprehensive survey of modern operator techniques for boundary value problems and spectral theory, employing abstract boundary mappings and Weyl functions. It includes self-contained treatments of the extension theory of symmetric operators and relations, spectral characterizations of selfadjoint operators in terms of the anal...
This free book constitutes the refereed post-conference proceedings of the First International Workshop on Multiple-Aspect Analysis of Semantic Trajectories, MASTER 2019, held in conjunction with the 19th European Conference on Machine Learning and Knowledge Discovery in Databases, ECML PKDD 2019, in Würzburg, Germany, in September 2019. The 8 ful...
For medical and health workers this book is a must-have, because statistical methods in these fields are vital, and no equivalent work is available. For medical and health students this is equally true.A unique point is its low threshold, textually simple and at the same time full of self-assessment opportunities. Other unique points are the succin...
Modeling and simulation are powerful tools for explaining the world, making predictions, designing things that work, and making them work better. Learning to use these tools can be difficult; this book is my attempt to make the experience as enjoyable and productive as possible.
By reading this book - and working on the exercises - you will lear...
The idea of etnos came into being over a hundred years ago as a way of understanding the collective identities of people with a common language and shared traditions. In the twentieth century, the concept came to be associated with Soviet state-building, and it fell sharply out of favour. Yet outside the academy, etnos-style arguments not only pers...
This bestselling book is now the standard guide to building phone systems with Asterisk, the open source IP PBX that has traditional telephony providers running scared! Revised for the 1.4 release of the software, the new edition of Asterisk: The Future of Telephony reveals how you can save money on equipment and support, and finally be in control ...
The corporate market is now embracing free, "open source" software like never before, as evidenced by the recent success of the technologies underlying LAMP (Linux, Apache, MySQL, and PHP). Each is the result of a publicly collaborative process among numerous developers who volunteer their time and energy to create better software.
The...
This hands-on guide to hacking begins with step-by-step tutorials on hardware modifications that teach basic hacking techniques as well as essential reverse engineering skills. The book progresses into a discussion of the Xbox security mechanisms and other advanced hacking topics, with an emphasis on educating the readers on the important subjects ...
In this book, you will learn how digital signals are captured, represented, processed, communicated, and stored in computers. The specific topics we will cover include: physical properties of the source information (such as sound or images), devices for information capture (microphones, cameras), digitization, compression, digital signal representa...
This module is focused on the study of Free Software in relation with the private sector and the economic implications of its use and development models. We analyse the software industry from an economic perspective: how it was affected by the raise of free software and what is its potential for the future. On the other hand, we study how to use Fr...
Fundamentals of Business, 2nd Edition is an 372-page open education resource intended to serve as a no-cost, faculty customizable primary text for one-semester undergraduate introductory business courses. It covers the following topics in business: Teamwork; economics; ethics; entrepreneurship; business ownership, management, and leadership; organi...
Python is one of those rare languages which can claim to be both simple and powerful. You will find yourself pleasantly surprised to see how easy it is to concentrate on the solution to the problem rather than the syntax and structure of the language you are programming in.
A Byte of Python is a free book on programming using the Python language...
Geographic information systems (GIS) use a complex mix of cartography, statistical analysis, and database technology to provide everything from web-based interfaces, such as Bing Maps and Google Maps, to tracking applications for delivery services. With GIS Succinctly, author Peter Shaw guides you through it all, starting with a detailed examinatio...
This free book will focus on theoretical aspects of Statistical Learning and Sequential Prediction. Until recently, these two subjects have been treated separately within the learning community. The course will follow a unified approach to analyzing learning in both scenarios. To make this happen, we shall bring together ideas from probability and ...
A modern web-marketing book that outlines a multi-modal system for growing a website with SEO, Google AdWords/Facebook Ads, Conversion Optimisation, Copywriting/Classic Persuasion/Behavioural Psychology, Google Analytics, Statistical Significance, Email Marketing, and Remarketing. When I launched my first web application it started off with zero tr...
In this book, you'll discover how to perform each of these backup and restore operations using SQL Server Management Studio (SSMS), basic T-SQL scripts and Redgate's SQL Backup tool. Capturing backups using SSMS or simple scripts is perfectly fine for one-off backup operations, but any backups that form part of the recovery strategy for a...
If you've designed your SQL code intelligently and implemented a sensible indexing strategy, there's a good chance your queries will "fly", when tested in isolation. In the real world, however, where multiple processes can access the same data at the same time, SQL Server often has to make one process wait, sacrificing concurren...
Over the past two years, Simple-Talk has published articles on a variety of SysAdmin topics, from Exchange to Virtualization, and including everything from Powershell to Unified Messaging. We have brought the best of these articles together to form The SysAdmin Handbook. With over fifty articles packed into this book, it will be an essential refere...