This article introduces several object persistence methods other than databases. It has a very good reference value. Let’s take a look at it with the editor. Object persistence refers to a technology that saves objects in memory to a storage device (such as a disk) that can be saved permanently. This article introduces several object persistence methods other than databases. The details are as follows: Save as text: that is, save the memory object into text in the form of byte stream. Serialize to Xml: that is, store the object in Xml format. Serialize to Json: That is, serialize the object into a Json object and then store it. Serialize to binary: Serialize the object into a binary byte stream and save it to a file. Knowledge points involved: Reading and writing of serialized and deserialized file streams ListView displays check boxes and arranges them horizontally as shown in the figure below [The main function is to save the information entered by the user into various formats and read from each document Take it out]: The code for saving and reading text documents is as follows: ///
1. C# Detailed explanation of object persistence graphic code
## Introduction: This article introduces several object persistence methods other than databases. It has a very good reference value. Let’s take a look at it with the editor
2. Python pickle module data object persistence operation
Introduction: I often encounter some strings, lists, dictionaries and other data obtained during the running of Python programs and want to save them for a long time. It is convenient for future use instead of simply putting it in the memory and losing the data when the power is turned off. The Pickle module in the python module collection comes in handy, it can convert objects into a format that can be transmitted or stored.
3. Usage example of pickle, the data object persistence storage module in Python
Introduction: This article It mainly introduces the usage examples of pickle, the data object persistence storage module in Python, and focuses on the related methods of object persistence and file reading in the module in pickle. Friends in need can refer to the following
Introduction: Project introduction: db4o is an open source pure object-oriented database engine for both Java and .NET developers. It is a simple and easy-to-use object persistence tool that is easy to use. At the same time, db4o has been verified by a third party as an object-oriented database with excellent performance. The goal of db4o is to provide a powerful database engine suitable for embedding that can
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