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- Android cooperates with WebService to access remote database Chinese WORD version
- Use HttpClient to request data from the server-side action. Of course, calling server-side methods to obtain data is not the only one. WebService can also provide us with the required data, so what is webService? , it is a remote calling standard based on the SAOP protocol. Different operating system platforms, different languages, and different technologies can be integrated through webservice. To realize Android and server-side data interaction, we need some libraries in the PC machine Java client, such as XFire, A
- 2024-02-26 0 903
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- Writing a small database with Delphi Chinese WORD version
- This document mainly talks about using Delphi to write small databases; Delphi is one of the most popular programming tools at present. It has many advantages in developing database applications and provides a powerful way to develop database applications based on the client/server model. ability. In terms of database access, it is equipped with Borland Database Engine (BDE), which can access various databases through SQL Links, ODBC and other technologies, and can also use ADO to access various databases. In terms of application client development, Delphi provides
- 2024-01-18 0 608
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- Android data storage SQLite database storage Chinese WORD version
- This document mainly talks about Android data storage SQLite database storage; each database in Android is private to the application package suite that created it. By default, other applications cannot directly access this private database. Friends in need can download and take a look
- 2024-02-26 0 1036
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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 0 808
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- Examples of AJAX and JSON based on jQuery Chinese WORD version
- This document mainly talks about examples of AJAX and JSON based on jQuery; through the built-in AJAX function of jQuery, you can directly access the background to obtain data in JSON format, and then bind the data to the pre-designed html template through jQuer, directly on the page displayed on. Friends in need can download and take a look
- 2024-01-27 1 763
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- Python operation Mysql example code tutorial
- This article introduces various code examples and detailed introductions such as Python operating MYSQL, executing SQL statements, obtaining result sets, traversing result sets, obtaining a certain field, obtaining table field names, inserting pictures into the database, executing transactions, etc. Most of the code is A sumptuous and beautiful code feast. If you want to view the online version, please visit: https://www.jb51.net/article/34102.htm
- 2024-01-26 0 1364
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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 0 917
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- Android rtsp streaming media playback introduction Chinese WORD version
- This document mainly talks about the introduction of android rtsp streaming media playback; the real-time streaming protocol (RTSP) is an application-level protocol that controls the sending of real-time data. RTSP provides an extensible framework that makes it possible to control and on-demand real-time data, such as audio and video. Data sources include live data and data stored in clips. The purpose of this protocol is to control multiple data sending connections, provide a way to select a sending channel, such as UDP, multicast UDP and TCP, and provide a method to select a sending mechanism based on RTP. I hope this document will help friends in need; interested
- 2024-02-26 0 965
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- Perl Lwp documentation chm version
- LWP is the abbreviation of Library for Web access in Perl. The purpose is very clear, it is a Perl package for accessing the Web server. Using the LWP package, we can easily access resources on external web servers in our perl scripts. Why use LWP? Today's website applications are becoming more and more complex. It is simply impossible to simply write a Sockettelnet to obtain resources using the GET command, especially for some websites that require passwords to log in. If you just want to simply get
- 2024-02-29 5 1679
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- Detailed guide to creating and using databases in Android Chinese WORD version
- Every application uses data, and Android applications are no exception. Android uses an open source, operating system-independent SQL database--SQLite. This article introduces how to create and operate a SQLite database for your Android application. Database supports the lifeline of every application no matter how big or small. Unless your application only handles simple data, then you need a database system to store your structured data. Android uses SQLite database, which is an open source and supports multiple operating systems. SQ
- 2024-02-28 0 504
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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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- Delphi2006 tutorial DbExpress efficient database development chm version
- When the author decided to update this book, it was hard to believe that nearly 4 years had passed from Delphi 7 to Delphi 2006. During this time, Borland's database access technology has also undergone considerable changes. First let's introduce the subject of this book: dbExpress. dbExpress has developed from version 2.0 of Delphi 7 to version 3.0 of Delphi 2006. In addition to updating support for the latest versions of various databases, the more important progress lies in the continuous improvement of execution efficiency and the improvement of Win32
- 2024-01-19 0 723
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- Introduction to Adobe Flex Chinese WORD version
- Flex is a component-based development framework that can generate a rich Internet application run by Flash Player. Flex combines a standards-based language with a variety of extensible user interface and data access components, allowing developers to build applications with rich data presentation, powerful client logic and integrated multimedia. Flex is a rich client application development toolkit built on the Flash platform. As a new technology representative in the Rich Internet Application (RIA) era, Flex has been used by Adobe since 2007.
- 2024-01-17 5 3291
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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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- Subversion Installation and Instructions Document WORD Version
- This document mainly describes the installation and use instructions for Subversion; Subversion is a free/open source version control system that is gradually replacing CVS. Subversion's repository can be accessed through the network, allowing users to operate on different computers. Subversion supports versioned directories, true version history, atomic commits, versioned dataless, an optional network layer, consistent data operations, efficient branch and tag operations, and modifiability. I hope this document will help those in need; those who are interested
- 2024-02-28 0 811
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- MATLAB function help document Chinese WORD version
- A function is a set of statements that work together to perform a task. In MATLAB, functions are defined in separate files. The file names of the file functions should be the same. Functions operate in their own workspace, which is also called the local workspace, independent of the workspace, accessed at the MATLAB command prompt, which is called the base workspace variable. Functions can accept multiple input parameters and may return multiple output parameters. MATLAB is a programming language developed by The MathWorks Company. It was originally a matrix programming language that made linear algebra programming easy. It can be run on
- 2024-01-18 1 632
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- Basic knowledge of LotusScript language Chinese WORD version
- This document mainly talks about the basic knowledge of LotusScript language; LotusScript is an object-oriented Scripting environment that is compatible with Basic. It has a powerful language range for developing object-oriented application software and can provide looping and branching capabilities. Arrays and the ability to access Notes objects. Interested friends can come and take a look
- 2024-02-27 0 857
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- Quickly get started with Android database operations Chinese WORD version
- Android uses the relational database SQLite3, which is a lightweight embedded database that supports SQL and is widely used in embedded operating systems. WM also uses SQLite3; more details about the principles and principles are in this article I won’t mention it, but if you want to quickly learn to operate SQLite3, then this is the article you are looking for! Interested friends can come and take a look
- 2024-02-28 0 909
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- Android programming bundle, server, layout and other tutorials PDF version
- Content: Use Bundle to transfer data between activities, Log and DDMS (view Log and other information), Activity life cycle, Android application development 4 using Service, how to use service, service life cycle, process life cycle, using service for music playback, AndroidUI Layout etc...
- 2024-02-26 0 815
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- Easy Language Learning Manual Ten Days Illustrated Tutorial to Learn Easy Language pdf version
- The Ten Days to Learn Easy Language Illustrated Tutorial provides a vivid and systematic explanation of the usage and operating techniques of Easy Language in the form of illustrations. Friends who need it can download it and take a look! The whole book is divided into ten chapters and is completed in ten days. The first chapter introduces the installation of Yi Language and the interface after operation. At the same time, a very simple small program is introduced to help users get started. Finally, we introduce the input methods of programming and some common problems encountered by beginners. Chapter 2 will touch on some specific issues, such as how to write a program that equals 1+2, and understand the concept of variables, the valid range of variables, data types and other knowledge.
- 2024-02-28 0 816