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Big data processing with Apache Spark

This document mainly talks about using Apache Spark for big data processing - Part 1: Getting Started; Apache Spark is a big data processing framework built around speed, ease of use and complex analysis. It was originally developed by AMPLab at the University of California, Berkeley, in 2009, and became one of Apache's open source projects in 2010. In this first part of the Apache Spark article series, we will learn what Spark is, how it differs from typical Map

2024-01-29 0 985
Ruby on Rails string processing Chinese WORD version

This document focuses on Ruby on Rails string processing; there are many ways to create a string in Ruby. There are two ways to represent a string: surrounding the character with a pair of single quotes ('str') or surrounding the character with a pair of double quotes ("str"). The difference between these two forms lies in the processing of the surrounding string. Strings constructed with double quotes can handle more escape characters. I hope this document will help friends in need; interested friends can come and take a look.

2024-02-02 0 1236
eoeAndroid special issue second issue Android image processing pdf version

The second issue of eoeAndroid special issue: Android image processing pdf, the second topic planned by eoeAndroid, mainly organizes and translates some resources and articles on image processing in Android. By studying the content of this topic, you can master how to perform image processing on Android. Programming for images mainly includes but is not limited to the following content: • Introduction to image formats supported in Android; • Introduction to image libraries in Android&b

2024-01-31 0 639
Android development basic tutorial compiled version pdf version

Android Development Tutorial, Basic Edition, is compiled from a series of tutorials. Experts should not read it if they have relatively basic knowledge. This book is mainly intended for people who are about to enter the ranks of Android programming or who have already entered but are still confused. friends. In the field of smart phones, the Android system is impeccable, which is destined to have broad prospects for the development of Android mobile phone systems. It has inspired a large number of program enthusiasts in China to turn to Android application development.

2024-02-01 2 1093
Analysis of Android application message processing mechanism Chinese WORD version

Android applications are driven by messages. The system maintains a message queue for each application. The main thread of the application continuously obtains messages from this message queue (Looper), and then processes these messages (Handler). , In this way, the execution of the application is driven by messages. This article will analyze the message processing mechanism of Android applications in detail. Friends in need can download and take a look

2024-02-28 0 1091
Win32 API Function Manual chm version

Win32_API_Function Detailed Query Manual chm format, divided into restricting program function functions, registry processing functions, dialog box functions, time processing functions, disk processing functions, process functions, file processing functions, breakpoint setting lists and other related contents.

2024-01-19 5 944
Pascal basic tutorial Pascal essential basic tutorial for getting started CHM version

No matter what you do, there must be certain methods and steps. Computer programming is more rigorous, standardized, and feasible than transaction processing in daily life. In order for the computer to effectively solve certain problems, the processing steps must be arranged and a "sequence" composed of computer language is used to allow the computer to automatically recognize and execute this "sequence" composed of computer language to complete the predetermined task. Arrange the steps to deal with the problem and use computer language to form a sequence, which is often called

2024-01-19 2 575
150 Examples of Delphi 7 Application Programming Full Book Content CHM Edition

Download the CHM book with 150 Examples of Delphi 7 Application Programming. The book mainly uses 150 examples to comprehensively and in-depth introduce the common methods and techniques of developing applications with Delphi 7. It mainly explains the use of Delphi 7 for interface effect processing, image processing, Graphics and multimedia development, system function control, file processing, network and database development, and component application, etc. These examples are simple and practical, highly typical, and have outstanding functions. The technologies used in many examples can be slightly expanded to solve similar problems. The best way to use this book is to learn from examples

2024-01-18 2 828
Websphere tutorial Chinese WORD version

This document is a Websphere tutorial; WebSphere is the infrastructure software of the Internet, which is what we call middleware. It enables enterprises to develop, deploy, and integrate a new generation of e-commerce applications (such as B2B electronic transactions), and supports business applications ranging from simple Web publishing to enterprise-level transaction processing. I hope this document will help friends in need; interested friends can come and take a look.

2024-02-29 0 755
OpenMP Multi-Threaded Programming Guide WORD Edition

This document mainly talks about the OpenMP multi-threaded programming guide; OpenMP was proposed by the OpenMP Architecture Review Board and has been widely accepted as a set of guiding notes (Compiler Directive) for multi-threaded programming of shared memory parallel systems. ). OpenMP is a multi-processor multi-thread parallel programming language for shared memory and distributed shared memory. It can be used to display and guide multi-threaded and shared memory parallel application programming interfaces. It is hoped that this document will provide

2024-02-03 0 1276
Summary of information related to Perl DBI programming pdf+chm Script House Special Edition

Mainly includes Perl+DBI programming (chm).chmPerl+DBI programming-[US] Descartes-China Electric Power Press-2001.pdfPerl DBI Tutorial on using DBI in Perl, for beginners to refer to the Chinese translation version of Perl.DBI manual .pdfPerl DBI Chinese help document, covering Perl DBI name, overview, description, DBI classes, processor general methods, general attributes, DBI database processing objects, database processing methods, etc. Programming_the_P

2024-02-02 0 1419
JSON Getting Started Guide Chinese WORD version

JSON stands for JavaScript Object Natation. It is a lightweight data exchange format that is very suitable for the interaction between the server and JavaScript. This article will quickly explain the JSON format and demonstrate through code examples how to process JSON format data on the client and server respectively.

2024-01-27 0 1127
Perl DBI Chinese manual pdf version

Perl DBI manual Chinese translation pdf, Perl DBI Chinese help document, covering Perl DBI name, overview, description, DBI classes, processor general methods, general properties, DBI database processing objects, database processing methods, etc. In order to make it easier for everyone to learn, Script House has specially packaged the Chinese translation version of Perl+DBI Programming (chm).chm Perl+DBI Programming-[US] Descartes-China Electric Power Press-2001.pdf Perl.DBI Manual. pdfProgram

2024-02-28 5 2720
Android development notes: Visual UI design DroidDraw explanation pdf

New version of Android development notes - visual UI design, explanation of DroidDraw, pdf version, high-definition version, the content is mainly about the use of various interface functions of DroidDraw, and introduces the writing of some examples based on this knowledge, so as to consolidate the application of DroidDraw principle knowledge wait.

2024-02-28 0 1082
Multi-threaded programming technology in Android development Chinese WORD version

This document mainly talks about multi-threaded programming technology in Android development; threads in Android are widely used in multi-threading in the Android platform. Multi-threading is required in UI updates, game development and time-consuming processing (network communications, etc.) . The technologies involved in Android threads are: Handler; Message; MessageQueue; Looper; HandlerThread. Friends in need can download and take a look

2024-01-29 2 2067
Python Overview Chinese WORD Version

This document provides an overview of Python; Python's built-in interfaces to operating system services make it an ideal tool for writing portable management tools and components (sometimes called shell tools) that maintain operating systems. Python programs can search files and directory trees, run other programs, use processes or threads for parallel processing, and more. I hope this document will help friends in need; interested friends can come and take a look.

2024-01-23 0 703
Discuz plug-in production tutorial [Getting Started + Mastery + Practical] Chinese WORD version

Plug-in mechanism Discuz! has a complete plug-in mechanism. By rationally using the plug-in mechanism, you can better integrate your individual functional requirements into the Discuz! product while keeping the code independent and not affected by subsequent Discuz! product version upgrades. We encourage and recommend the use of plug-in mechanisms for customization and research and development of individual needs. Interested friends can come and take a look

2024-01-29 0 932
Android sensor programming Chinese WORD version

This document mainly talks about Android sensor programming; a sensor is a physical device or biological organ that can detect and feel external signals, physical conditions (such as light, heat, humidity) or chemical composition (such as smoke), and will detect Information is passed to other devices or organs. At the same time, it can also be said that the sensor is a detection device that can sense the information being measured, and can transform the detected information into electrical signals or other required forms of information output according to certain rules to meet the needs of information transmission and Requirements for processing, storage, display, recording and control. It is the first to realize automatic detection and automatic control

2024-02-27 0 504
Using JNI to realize the interaction between android and SO files Chinese WORD version

This document mainly demonstrates how to interact with so files in Android. That is to say, the current problem requires hardware manufacturers to re-develop the dynamic library and develop the dynamic library according to the .h file generated by the entire Internet of Things. Interested friends can come and take a look

2024-02-29 0 806
Spark Streaming Programming Guide Chinese WORD version

Spark Streaming is the core API of Spark, which supports high throughput and fault-tolerant real-time streaming data processing. It can accept data sources from Kafka, Flume, Twitter, ZeroMQ and TCP Socket, use simple API functions such as map, reduce, join, window and other operations, and can also directly use built-in machine learning algorithms and graph algorithm packages to process data . Interested friends can come and take a look

2024-02-27 0 908