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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 5 1306
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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 32 672
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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 38 781
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- Android local data storage Chinese WORD version
- This document is primarily about Android local data storage; the ability to store data locally on a mobile device is a critical feature for applications that need to maintain important information across the execution or lifetime of the application. As a developer, you often need to store information such as user preferences or application configurations. You must also decide based on characteristics such as access visibility whether you need to involve internal or external memory, or whether you need to deal with more complex, structured data types. Follow this article to learn the Android data storage API with
- 2024-02-26 0 923
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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 2 820
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- SOAP syntax word version
- One of SOAP, WSDL (WebServicesDescriptionLanguage), and UDDI (UniversalDescriptionDiscoveryandIntegration), soap is used to describe the format of transmitting information, WSDL is used to describe how to access specific interfaces, and uddi is used to manage, distribute, and query webServices. Specific implementations can search for simple instances of Web Services; SOAP can be used with many existing
- 2024-02-28 31 1408
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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 2 991
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- How to use maven Chinese WORD version
- This document mainly talks about how to use Maven; Maven is a software project management tool based on the project object model (pom), which can manage the construction, reporting and documentation of the project through a short piece of description information. Maven shifts your focus from last night's grassroots to project management. Maven projects already know how to build and bundle code, run tests, generate documentation and host project web pages. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-27 0 1145
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- Maven User Guide Chinese WORD version
- This document mainly talks about the Maven usage guide; Apache Maven is a software (especially Java software) project management and automatic construction tool provided by the Apache Software Foundation. Based on the concept of Project Object Model (abbreviation: POM), Maven uses a central piece of information to manage the construction, reporting and documentation steps of a project. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-29 46 1010
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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 33 1282
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- PASCAL language basics Chinese WORD version
- This document mainly talks about the basics of PASCAL language; PASCAL language: the most suitable language for scientific computing and data processing, with the fastest running and compilation speed, from TURBO PASCAL 5.5, 6.0, 7.0 to the current DELPHI in the WINDOWS environment and Object-oriented PASCAL such as LAZARUS, as well as various versions of FREE PASCAL currently used in informatics competitions. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-28 0 1357
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- 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 30 2319
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- Git Reference Manual Chinese CHM version
- Git is a free, open source distributed version control system for agile and efficient handling of any project, small or large. Git's work requires code that calls curl, zlib, openssl, expat, libiconv and other libraries. Git currently supports Linux/Unix, Solaris, Mac and Windows platforms. This article brings you the Git reference manual, you can download it if you need it!
- 2024-01-30 20 1429
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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 2091
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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 32 1418
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- Android development tutorials and notes pdf version
- Android file access and database programming knowledge. File operations mainly include reading files, writing files, reading static files, etc. It also introduces creating, adding file content and saving, opening files and displaying the content; database programming mainly introduces the SQLite database. The use includes knowledge of creating, deleting, opening databases, non-query SQL operation instructions, query SQL instructions-cursors, etc.
- 2024-02-29 64 3118
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- Unity3d game development camera switching Chinese WORD version
- This document mainly talks about camera switching in unity3d game development; I hope it will be helpful to everyone; interested friends can come and take a look.
- 2024-02-29 51 2542
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- Android Chinese API collection chm version
- Android Chinese Translation Group - A collection of Android Chinese APIs. API documentation (Reference) is the basis of Android development. In the past three years (2007-2010), the official Chinese version of the API has not yet been released. The Android Chinese Translation Group has gathered a group of people to engage in Android development. People, forum moderators, college students, graduate students, etc. use their spare time to translate Android APIs. The number of people has grown from 1 to 80, and the number of published translations has ranged from 1 to 50.
- 2024-02-29 79 1973
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- Lucene learning and summary Chinese WORD version
- This document mainly talks about the learning and summary of Lucene; Lucene is an efficient, Java-based full-text search library. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-29 74 3234
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- Maven series
- Some companies do not provide external networks for programmers, so maven cannot be used to access remote warehouse addresses, so it is necessary to find a machine in the LAN that has external network permissions; build a nexus private server, and then programmers connect to this private server In this case, you can access the maven remote warehouse through this computer with a nexus private server. Interested friends can come and take a look
- 2024-02-29 79 2082
