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- Array application & two-dimensional array word version
- The so-called array is a collection of elements of the same data type arranged in a certain order. It is a collection of variables that names a limited number of variables of the same type and then uses numbers to distinguish them. This name is called the array name, and the number is called the following. mark. The individual variables that make up an array are called components of the array, also called elements of the array, and sometimes called subscript variables. In programming, an array is a form of organizing several variables of the same type in an orderly manner for the convenience of processing. These collections of similar data elements arranged in order are called arrays. Array application & two-dimensional array directory
- 2024-01-31 0 792
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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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- 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 embedded SQLite database Chinese WORD version
- This document mainly talks about the Android embedded SQLite database; a relational database SQLite is embedded in the Android platform. Unlike other databases, SQLite does not distinguish types when storing data; interested friends can come and take a look.
- 2024-02-28 0 1061
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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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- 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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- PowerDesigner generates database Chinese WORD version
- This document mainly talks about the database generated by PowerDesigner; this experiment uses the mySQL database. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-27 0 1031
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- Databases for Android data access Chinese WORD version
- This document mainly talks about Databases for Android data access; databases can be operated on the Android platform, which is one of the surprises when you first come into contact with Android. On the Android platform, a SQLite database is bound. This database system is also very unique. Its largest application scenario is embedded systems. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-29 0 542
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- Usage examples of Android database SQLite Chinese WORD version
- Android provides three data storage methods, the first is file storage; the second is SharedPreferences storage; and the third is database SQLiteDatabase storage. I don’t need to say more about file storage, but SharedPreferences can access simple data (int, double, float.etc). It is often used for data caching because it is simple to read and store. For details, please refer to this series. Advanced Tutorial for Android Experts (7) - Android Medium
- 2024-02-29 0 930
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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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- Lucene index database Chinese WORD version
- This document mainly talks about the Lucene index database; Lucene, as an auxiliary tool for full-text search, performs conditional searches for us, whether it is search engines like Google, Baidu, search functions in forums, or other C/ S-architecture search brings great convenience and relatively high efficiency. This article mainly uses Lucene to index MS Sql Server 2000, and then performs full-text indexing. As for the content of the database, it can be the content of the web page or other things. Contents of the database in this article
- 2024-02-29 0 1142
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- Tutorial on using SQLite database in Android development chm version
- Tutorial on Android development using SQLite database, chm format. SQLite is a very popular embedded database that supports SQL queries and uses only a small amount of memory. Android integrates SQLite at runtime, so every Android application can use a SQLite database. For developers familiar with SQL, using SQLite is fairly simple. Yes, since JDBC is not suitable for memory-constrained devices such as mobile phones, Android
- 2024-02-28 0 1067
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- SQLite syntax and Android database operations Chinese WORD version
- This document mainly talks about SQLite syntax and Android database operations; Android's SQLiteDatabase does not originally depend on Android, but exists independently as an individual, with its own unique system and language, and this is SQL syntax . SQLite is a lightweight database with few functions for large databases, so you only need to learn some common SQL syntax to easily master it, and these SQL syntaxes are basically unchanged for other databases. needed
- 2024-02-27 0 563
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- Reading Excel data in delphi Chinese WORD version
- This document mainly talks about reading Excel data in Delphi; I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-18 0 957
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- Using JSON for network data exchange and transmission Chinese WORD version
- This document mainly talks about using JSON for network data exchange and transmission; JSON (JavaScript ObjectNotation) is a lightweight data exchange format that is easy to read and write, and is also easy to be parsed and generated by machines. It is very suitable for servers and clients. Interaction. JSON uses a programming language-independent text format, but also uses C-like language conventions. These characteristics make JSON an ideal data exchange format. Like XML, JSON is a plain text-based data format. Since JSON is born
- 2024-02-29 0 902
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- Android data format parsing object JSON usage WORD version
- This document mainly describes the usage of Android data format parsing object JSON; JSON can convert Java objects into json format strings, and can convert json strings into Java. More lightweight than XML, Json is lighter and simpler to use. JSON data format is widely used in client and server communication in Android, and is very convenient for network data transmission and analysis. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-30 0 1080
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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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- View and manage sqlite database in Android Chinese WORD version
- This document mainly talks about viewing and managing sqlite database in Android; you can use the Eclipse plug-in DDMS to view it in Android, or you can use the adb tool in the Android tool kit to view it. The sqlite database in the android project is located in /data/data/project package/databases. Friends in need can download and take a look
- 2024-02-02 0 852
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- Android uses JSON for network data exchange WORD version
- This document mainly talks about Android's use of JSON for network data exchange; JSON (JavaScript Object Notation) is a lightweight data exchange format that is easy to read and write, and is also easy to be parsed and generated by machines. It is very suitable for servers and clients. terminal interaction. JSON uses a programming language-independent text format, but also uses C-like language conventions. These characteristics make JSON an ideal data exchange format. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-31 0 980
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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