“Ruoyi” is an open source project that I feel is standard among outsourcing companies and is used by all of them. The README feels like a little tidbit by an Alibaba employee after work. For SprintBoot, I personally feel that it is too heavy-duty, but people have developed an ecology, so it is not so […]
Tag: sqlite3
Secure voting system based on blockchain and threshold password (Python+Django+Node+web3+SQLite3)
Table of contents Summary I Abstract I Chapter 1 Introduction 1 1.1 Research background and significance of the topic 1 1.2 Research status at home and abroad 3 1.3 Contents of this article 8 1.4 Structural arrangement 10 Chapter 2 Related Knowledge and Technology 11 2.1 Blockchain related knowledge 11 2.1.1 Blockchain 11 2.1.2 Ethereum […]
How to use C language to operate sqlite3 in embedded system (07)
There are many sqlite3 programming interfaces. For beginners, we only need to master a few commonly used functions for the time being, and other functions will naturally know how to use them. Database This article assumes that the database is my.db and has the data table student. no name score 4 Embedded development enthusiasts 89.0 […]
open62541 development: add sqlite3 historical database
The historical database is very important in OPCUA applications. For example, the historical database function is required in the OPCUA gateway and OPCUA aggregation server. However, the open62541 protocol stack only contains a memory-based historical database, which is not enough in practical applications. This blog post discusses several issues in adding a sqlite3-based historical database […]
Cross-compile Python-3.6.0 to aarch64/aarch32 – support sqlite3
Reference https://datko.net/2013/05/10/cross-compiling-python-3-3-1-for-beaglebone-arm-angstrom/ Platform Host: ubuntu14.04 64bit Development board: qemu + aarch64 (Reference: http://www.cnblogs.com/pengdonglin137/p/6442583.html) Toolchain: aarch64-linux-gnu-gcc (gcc version 4.9.1 20140529) is used to compile programs running on aarch64 arm-none-linux-gnueabi-gcc (gcc version 4.8.3 20140320) is used to compile programs running on aarch32 Python version: Python-3.6.0 Overview The previous blog posts introduced the cross-compilation of Python 2.7.13. Before […]
Cross-compile Python-2.7.13 to ARM (aarch32) – support sqlite3
Author: Peng Donglin Email: [email protected] QQ: 405728433 Environment Host: ubuntu14.04 64bit Development board: qemu + vexpress-a9 (Reference: http://www.cnblogs.com/pengdonglin137/p/6442583.html) Toolchain: arm-none-linux-gnueabi-gcc (gcc version 4.8.3 20140320) Python version: Python-2.7.13 Overview The previous blog post (cross-compiling Python-2.7.13 to ARM (aarch32) platform) introduced transplanting python to aarch32, but found that many modules cannot be used. You can execute the […]
SQLITE3 database reading and writing assistant (3)
Overview This article will introduce the usage of the class SqliteExt in the previous article The functions of the SqliteExt class fall into three categories: Read data from tables in slqite Write data from user table to file Other functions: Execute sql statement interface… Idea: Get the type of each field in the table in […]
Qt5 uses QSqlQuery to read and write sqlite3 database
Overview This article will introduce using Qt5 to read and write sqlite3 using QSqlQuery. Original design intention: The project needs to use a configuration file. The configuration file uses sqlite3, which is V1.0.0. Other functions will be added later. Requires C++11 support (c++11 code in code can be removed), but more C++11 based code may […]
Installation + uninstallation + basic use of SQLite3 database under Linux
1. Overview of SQLite3 database SQLite is an in-process lightweight embedded database. Its database is a file, realizing a self-sufficient, serverless, zero-configuration, transactional SQL database engine. It is a zero-configuration database, which reflects the biggest difference between SQLite and other databases: SQLite does not need to be configured in the system and can be used […]
SQLITE3 adds encryption function, compilation and use of SqlCipher
SQLITE3 adds encryption function, compilation and use of SqlCipher As a lazy person, I tried my best to write it in detail. If there are any mistakes, I hope you can correct me. Special link for lazy people: (contains all environments and source codes, as well as compiled source codes) https://download.csdn.net/download/qq_36626674/88357196 Introduction to the environment […]