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- 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
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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
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- 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
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- 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
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- 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
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- 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
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- 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
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- Basic knowledge of PLC programming Chinese doc version
- Programmable controller, called Programmable Controller in English, or PC for short. However, because PC is easily confused with Personal Computer (Personal Computer), people are still accustomed to using PLC as the abbreviation of programmable controller. It is an electronic system device with a microprocessor as the core for digital operation. It is specially designed for industrial field applications. It uses programmable memory to store and execute logical operations, sequence control, timing/ Operation instructions such as counting and arithmetic operations, and through digital or analog input
- 2024-02-29 0 958
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- 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
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- 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
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- 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
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- 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
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- Delphi memory management guidance content PDF version
- The instructive content on Delphi memory management has been excerpted into an e-book in PDF format. This book is an excerpt of the memory management chapter from a Delphi book. It does not involve other aspects of content and is relatively targeted. The content involves traversing memory blocks, shared memory managers, third-party memory managers, Delphi memory management implementation framework, implementation of user call routines, etc.
- 2024-01-19 2 1236
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- Android adb application and operation commands Chinese WORD version
- Android Debug Bridge (adb) is a multi-purpose tool that helps you manage the state of your device or emulator. You can add adb through the following methods: • Run shell commands on the device • Manage the emulator or device through port forwarding • Copy or copy files from the emulator or device
- 2024-02-26 0 826
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- Detailed explanation of the basics of texture shaders in Unity3D technology Chinese WORD version
- This document talks about some knowledge related to shaders in Unity3D; in shader programming, there are some terms that are sometimes confusing if you don’t understand them, so I will briefly mention them here. Shading originally refers to painting objects with light and dark tones in sketches. In graphics, it actually means coloring Mesh (Mesh is a bunch of triangular patches, including the left side of the vertex, normal coordinates, UV coordinates, etc.), wiki What is said is that the color of the object is changed according to the angle of the object relative to the light and its distance from the light source to generate a photorealistic effect.
- 2024-02-29 0 849
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- 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
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- Ruby User Guide Chinese HD Version CHM Format
- First, you have to check whether Ruby is installed. At the shell prompt (here represented as "%", so don't type %), type % ruby -v (-v tells the interpreter to print out the Ruby version) , and then press Enter. If Ruby is installed, you will see information similar to the following: % ruby -v ruby 1.6.6 [i586-linux] If Ruby is not installed, you can ask the administrator to install it, or you can do it yourself, Ruby is a language with no installation or usage restrictions
- 2024-01-30 0 1071
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- abaqus Python example
- This document mainly talks about the abaqus Python example - operating excel files; currently processing data cannot be done without excel, so pythoners must learn to use python to operate excel tables. There are also many ways to interact between Python and excel; friends in need can download it and take a look
- 2024-01-25 0 531
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- Features of Matlab language Chinese WORD version
- This document mainly describes the characteristics of the Matlab language; Matlab has the advantages of simple usage, flexibility, strong program structure, and good scalability. It has gradually become the preferred language tool in scientific computing, view interaction systems, and programs. In particular, it has outstanding performance in linear algebra, mathematical statistics, automatic control, digital signal processing, dynamic system simulation, etc., and has become a useful weapon for scientific research staff and engineering technicians to conduct scientific research and production practice. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-18 1 1874
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- Android AsyncChannel source code analysis WORD version
- This document mainly talks about the analysis of Android AsyncChannel source code; the AsyncChannel class is used to handle asynchronous message passing between two Handlers. The Handler for message passing can be from the same process or in different processes. Handler message passing between different processes Implemented using Android's Binder communication mechanism. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-27 0 569