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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
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
Android In-depth understanding of SQLite storage method Chinese WORD version

This document describes Android's in-depth understanding of SQLite storage methods; SQLite is a lightweight database designed for embedded use, and it takes up very few resources. In embedded devices, it only requires a few hundred KB; there are Friends who need it can download it and take a look

2024-02-29 0 1224
MyBatis stored procedures, MyBatis paging, MyBatis one-to-many add, delete, modify and query operations Chinese WORD version

This document mainly talks about MyBatis stored procedures, MyBatis paging, and MyBatis one-to-many add, delete, modify, and check operations; I hope it will be helpful to everyone; interested friends can come and take a look.

2024-02-29 0 875
Android security and permissions WORD version

This document mainly talks about the security and permissions of Android; Android is a multi-process system, and each application (and system component) runs in its own process. I hope this document will help friends in need; interested friends can come and take a look.

2024-01-28 2 1925
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
OpenMP parallel programming WORD version

This document mainly talks about OpenMP parallel programming; OpenMP is a collection of compiler instructions and library functions, mainly used for parallel programming on shared storage computers. Currently, the languages that support OpenMP mainly include Fortran and C/C++. OpenMP uses the fork/join parallel mode when executing programs in parallel. Shared storage parallel programs use fork/join parallelism. I hope this document will help friends in need; interested friends can come and take a look.

2024-02-29 0 1093
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
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
Android development skills collection tutorial pdf version

Android development skills collection pdf version, including: ANDROID common class library description, ANDROID file system and application architecture, ANDROID application structure, ANDROID UI LAYOUT (layout), ANDROID UI controls, ANDROID UI beautification, ANDROID UI animation, asynchronous calls , data storage and reading, etc.

2024-02-26 0 851
Python functions files and modules Chinese WORD version

This document mainly talks about Python functions, files and modules. This article constructs a complete Python program. Introduces Python functions and modules, and shows how to build a Python program, store it in a file, and run the program through the command line; I hope this document will help friends in need; interested friends can come here have a look

2024-01-23 0 1136
How to use Visual Studio 2010 WORD document doc format

How to use Visual Studio 2010 1. Open the interface and click File---→New---→Project. The new project interface will pop up. Select Visual C++ on the left, select an empty project on the right, then enter the name and storage location below, and finally click OK. After that, the interface (Solution Explorer) will pop up, then select the header file, or source file, right-click---→Add---→New project, pop-up Add

2024-02-29 0 1299
Hive permission control Chinese WORD version

Hive can control permissions through metadata from version 0.10 (including version 0.10) onwards. In versions before Hive-0.10, permissions are mainly controlled through Linux users and user groups. CREATE, SELECT, and DROP of Hive tables cannot be controlled. Of course, Hive's control of permissions based on metadata is not completely safe. The purpose is to prevent users from accidentally doing operations they shouldn't do. Interested friends can come and take a look

2024-02-03 0 1432
MyBatis3.2.3 Help Document Chinese CHM Version

MyBatis is an excellent persistence layer framework that supports ordinary SQL queries, stored procedures and advanced mapping. MyBatis eliminates almost all JDBC code and manual setting of parameters and retrieval of result sets. MyBatis uses simple XML or annotations for configuration and original mapping, mapping interfaces and Java POJOs (Plan Old Java Objects, ordinary Java objects) into records in the database. Friends in need can download and take a look

2024-02-29 1 840
mybatis entry to proficiency Chinese WORD version

MyBatis is an excellent persistence layer framework that supports ordinary SQL queries, stored procedures, and advanced mapping. MyBatis eliminates almost all JDBC code and manual setting of parameters and retrieval of result sets. MyBatis uses simple XML or annotations for configuration and original mapping, mapping interfaces and Java POJOs (Plan Old Java Objects, ordinary Java objects) into records in the database. Interested friends can come and take a look

2024-01-28 0 1260
mybatis syntax and introduction Chinese WORD version

This document mainly talks about the syntax and introduction of mybatis; MyBatis is a persistence layer framework that can customize SQL, stored procedures and advanced mapping. MyBatis eliminates most of the JDBC code, manual setting of parameters and result set retrieval. MyBatis only uses simple XML and annotations to configure and map basic data types, Map interfaces and POJOs to database records. Compared with "one-stop" ORM solutions such as Hibernate and Apache OJB

2024-01-31 2 1125
Vuex Reference Manual Chinese CHM version

Vuex is a state management model + library specially designed for Vue.js applications. It provides a centralized storage service for all components within the application, with rules ensuring that state can only change in expected ways. It can be integrated with the Vue official devtools extension to provide advanced features, such as zero-configuration time travel-like (timeline-based) debugging, and state snapshot export/import. This article brings you the Vuex reference manual. Friends who need it can come and take a look!

2024-02-29 0 1219
Android Development Guide Chinese PDF version

Android development guide Chinese pdf version, friends who learn android can refer to it. Application Fundamentals Key Classes Application Components Activation Components: Intent Close Component Manifest File Intent Filter Activity and Task Affinity (Attraction) and New Task Loading Mode Clean Stack Start Task Process and Thread Process Thread Remote Procedure Call Thread Safe Method Component Life cycleActivi

2024-02-26 0 614
ANDROID Bluetooth programming WORD document doc format

Using the BluetoothAdapter class, you can find surrounding Bluetooth devices on your Android device and then pair (bind) them. Bluetooth communication is transmitted to each other based on the unique address MAC. Considering security issues, Bluetooth communication needs to be paired first. Then start to connect to each other. After the connection, the devices will share the same RFCOMM channel to transmit data to each other. Currently, these implementations are implemented on Android 2.0 or higher SDK. 1. Finding/discovering dev

2024-02-27 0 977
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