Apache Spark is amazing when everything clicks. But if you haven’t seen the performance improvements you expected, or still don’t feel confident enough to use Spark in production, this practical book is for you. Authors Holden Karau and Rachel Warren demonstrate performance optimizations to help your Spark queries run faster and handle larger data sizes, while using fewer resources.Ideal for software engineers, data engineers, developers, and system administrators working with large-scale data applications, this book describes techniques that can reduce data infrastructure costs and develo... [Read More]
Key FeaturesUse the power of pandas to solve most complex scientific computing problems with easeLeverage fast, robust data structures in pandas to gain useful insights from your dataPractical, easy to implement recipes for quick solutions to common problems in data using pandasBook DescriptionThis book will provide you with unique, idiomatic, and fun recipes for both fundamental and advanced data manipulation tasks with pandas. Some recipes focus on achieving a deeper understanding of basic principles, or comparing and contrasting two similar operations. Other recipes will dive deep into a pa... [Read More]
An all-in-one study guide prepares you for the updated Oracle Certified Associate certification It's been nearly six years since Oracle updated its cornerstone database software, making the demand for a comprehensive study guide for the OCA 12c certification a top priority. This resource answers that demand. Packed with invaluable insight, chapter review questions, bonus practice exams, hundreds of electronic flashcards, and a searchable glossary of terms, this study guide prepares you for the challenging Oracle certification exams. Provides you with a solid understanding of restricting and s... [Read More]
☆★☆ SQL Made Easy- The Ultimate Step by Step Guide To Success ☆★☆ Do you want to learn SQL programming without the complicated explanations? Do you want to understand how to manage databases without all the confusion? Well than, this is your go to guide to help you master SQL programming in no time! This book breaks down the fundamentals elements that are essential to make you proficient in SQL programming and database management. By the end of this book you will be confident enough to take on any problems that encompass SQL. SQL software can be complex, but a powerful tool i... [Read More]
Αmαzon Web Services (ΑWS) is Αmαzon’s cloud web hosting plαtform thαt offers flexible, reliαble, scαlαble, eαsy-to-use, αnd cost-effective solutions. This tutoriαl covers vαrious importαnt topics illustrαting how ΑWS works αnd how it is beneficiαl to run your website on Αmαzon Web Services.This Book was prepαred for beginners who wαnt to leαrn how Αmαzon Web Services works to provide reliαble, flexible, αnd cost-effective cloud computing services.
Whether you’re sharing data between two internal systems or building an API so that users can access their data, this practical guide has everything you need to build APIs with PHP. Author Lorna Jane Mitchell provides lots of hands-on code samples, real-world examples, and advice based on her extensive experience to guide you through the process—from the underlying theory to methods for making your service robust.You’ll learn how to use this language to work with JSON, XML, and other web service technologies. This updated second edition includes new tools and features that reflect PHP up... [Read More]
Prepare for Microsoft Exam 70-761–and help demonstrate your real-world mastery of SQL Server 2016 Transact-SQL data management, queries, and database programming. Designed for experienced IT professionals ready to advance their status, Exam Ref focuses on the critical-thinking and decision-making acumen needed for success at the MCSA level. Focus on the expertise measured by these objectives: • Filter, sort, join, aggregate, and modify data • Use subqueries, table expressions, grouping sets, and pivoting • Query temporal and non-relational data, and output XML or JSON • Create vie... [Read More]
The #1 Easy, Common-Sense Guide to SQL Queries—Updated for Today’s Databases, Standards, and Challenges SQL Queries for Mere Mortals ® has earned worldwide praise as the clearest, simplest tutorial on writing effective SQL queries. The authors have updated this hands-on classic to reflect new SQL standards and database applications and teach valuable new techniques. Step by step, John L. Viescas and Michael J. Hernandez guide you through creating reliable queries for virtually any modern SQL-based database. They demystify all aspects of SQL query writing, from simple data selection... [Read More]
Apache Spark is a fast, scalable, and flexible open source distributed processing engine for big data systems and is one of the most active open source big data projects to date. In just 24 lessons of one hour or less, Sams Teach Yourself Apache Spark in 24 Hours helps you build practical Big Data solutions that leverage Spark’s amazing speed, scalability, simplicity, and versatility. This book’s straightforward, step-by-step approach shows you how to deploy, program, optimize, manage, integrate, and extend Spark–now, and for years to come. You’ll discover how to create powerful soluti... [Read More]
What sets Laravel apart from other PHP web frameworks? Speed and simplicity, for starters. This rapid application development framework and its vast ecosystem of tools let you quickly build new sites and applications with clean, readable code. With this practical guide, Matt Stauffer--a leading teacher and developer in the Laravel community--provides the definitive introduction to one of today's most popular web frameworks.The book's high-level overview and concrete examples will help experienced PHP web developers get started with Laravel right away. By the time you reach the last page, you s... [Read More]
The aera 660 aviation portable puts the latest Garmin technology in the palm of your hand, and it carries on our tradition of creating innovative navigators that go way back to the beginning of handheld aviation GPS. While aera 660 is light, compact and fits in any flight bag, it's also packed with capabilities. As a dedicated navigator, it quickly and reliably acquires GPS and GLONASS satellite constellations and combines advanced navigation tools with rich, interactive, dynamically drawn aviation maps. And it displays it all on a bright, sunlight-readable 5-inch diagonal capacitive touchscre... [Read More]
This is a 14oz Stainless Steel Travel Mug. With its nice smooth surface and comfortable circumference this fits perfectly in your hand. Enjoy your caffeine on the go!
This is a 14oz Stainless Steel Travel Mug. With its nice smooth surface and comfortable circumference this fits perfectly in your hand. Enjoy your caffeine on the go!
This is a 14oz Stainless Steel Travel Mug. With its nice smooth surface and comfortable circumference this fits perfectly in your hand. Enjoy your caffeine on the go!
This is a 14oz Stainless Steel Travel Mug. With its nice smooth surface and comfortable circumference this fits perfectly in your hand. Enjoy your caffeine on the go!
SUPERB EXECUTION RELIES UPON RIGOROUS PROJECT DOCUMENTATION A project will only be built as well as it is documented. This publication focuses on the key documentation needs of the landscape architectural design and construction documentation
"Provides managers, employees, and students with tools to better understand the complexities of the restaurant business and how to use those tools to improve business
Get up to speed on Apache Accumulo, the flexible, high-performance key/value store created by the National Security Agency (NSA) and based on Google's BigTable data storage system. Written by former NSA team members, this comprehensive
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