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Summary of tutorials on file recording operations

Databases, text files, xml files, etc. can be used to record application operation logs. What I introduce here is the use of XML files to record operation logs. I think using XML to record operation logs has the following advantages: 1. It does not occupy database space and historical operation logs can be deleted arbitrarily. 2. DataTable can easily read XML files, and DataTable can also be easily saved as XML files. 3. It is convenient to view the log. You can directly open the XML file to view it, or you can read it into the DataTabl...

Jun 13, 2017 pm 01:18 PM

Let's talk about practical tutorials for realizing multi-channel

1. The background is in the current website, and there are more and more access channels, and the technology is becoming more and more advanced. WAP, SMS, Email, traditional web, socket, etc. If, the space that needs to be expanded in the design must be good and good, so as to ensure that there is no need to modify the code or even change the code when adding new channels. But is it possible? It is impossible to think about it, but is there any way to better solve the perfection of this multi-channel access framework? 2. The structure has been used in all existing access ...

Jun 13, 2017 am 11:48 AM

Talk about the current situation, prospects and opportunities of XMLTextReader

This article will cover three aspects: 1. Accessing XML files 2. XML Document Object Model&am

Jun 13, 2017 am 11:35 AM

Detailed introduction to province names

I've been fine recently, and I wrote a method that often requires the name of a city or province in projects, so I changed it to a class. It is convenient to call later //************************************************ ***********************************//*

Jun 13, 2017 am 11:34 AM

Recommended courses on architecture creation

XML views of relational data can be created using the XDR (xml-Data simplified) schema. These views can then be queried using XPath queries. This is similar to using the CREATE VIEW statement to create a view and specify a SQL query against the view. An XML schema describes the structure of an XML document and the different constraints on the data in the document. When you specify an XPath query against a schema, the structure of the returned XML document is determined by the schema against which the XPath query was performed. &nbsp...

Jun 13, 2017 am 11:27 AM

9 recommended articles about App.config

In .net development, it is often necessary to read and write files in the form of xml (app.config and web.config are a special column of xml files used in WinForm and WebForm respectively, and Microsoft provides a general method, so I will not go into details here. ), the .net class library provides a variety of ways to read and write xml files. Each method has its advantages and disadvantages, and therefore has its practicality. Listed below are the classes for reading and writing xml files provided by Microsoft's .net class library and their characteristics: Class name Advantages Disadvantages XmlReader is fast,...

Jun 13, 2017 am 11:20 AM

8 recommended articles about XMLSerializer

XML serialization is the process of converting the public properties and fields of an object into XML format for storage or transmission. Deserialization recreates the original state of the object from the XML output. The most important class in XML serialization is the XmlSerializer class. Its most important methods are the Serialize and Deserialize methods, which are located in the System.Xml.Serialization namespace. 1. Basic points of XML serialization Before starting this section, let’s first look at the simplest example: n...

Jun 13, 2017 am 10:55 AM

8 recommended articles about document size

The format and size of xml documents are not certain. Some may only have a few lines, while others may be several megabytes. You may wonder whether you need to know the size of the XML document. And when performance becomes the primary issue, knowing the size of the XML document is a must. From a performance perspective, there are two types of methods for processing XML documents. Batch processing takes less time to parse groups of documents. The real-time method is to process documents in real time. The performance of batch processing can be measured by how many documents are processed in a certain period of time, while the performance of real-time mode is also measured similarly...

Jun 13, 2017 am 10:42 AM

Recommended articles about speech synthesis

10 recommended articles about finding information

In the Internet era, xml files play a role in saving and transmitting data. The Soap protocol communicates information through Xml, and the database is accessed through Xml files, etc. So how to quickly obtain the required information from an XML file? We know that both Java's JAXP and Microsoft.Net have Xml parsers. Microsoft.Net analyzes while reading, while JAXP reads into memory and then analyzes (there is also an event mechanism to read). In short, It is not conducive to fast reading. Based on this, Microsoft...

Jun 13, 2017 am 10:08 AM

Recommended 10 back-end system examples

Please indicate the source when reprinting: The path to growth of the back-end system architecture of the News APP - High-availability architecture design 1. First entry into the holy land 2. Foundation building: complete reconstruction 3. Golden elixir: stepping on pitfalls. . And it’s a big pitfall 4. Yuanying: Facing challenges, traffic is coming 5. Out of body: Adjustment and optimization of server architecture 6. Overcoming tribulation: Service management platform 7. Mahayana: High availability of the server 8. Soaring: High availability of the client - 【2017 HTTP...

Jun 13, 2017 am 10:05 AM

Recommended 10 commonly used sorting and paging methods

In web development, we often encounter paging display and sorting of data record sets. This is very easy to do on the server side using server-side code and database technology, such as: asp, php, jsp, etc. However, if you want to display multiple records on the client and sort them, it can be a headache. Below, we use Extensible Markup Language (xml, extensible markup language) and Extensible Stylesheet La...

Jun 13, 2017 am 09:52 AM

7 recommended articles about Xstream

This article mainly introduces the method of converting Javabeans to XML documents based on the xstream package. It analyzes the specific usage techniques of the xstream package for converting xml files based on specific examples. Friends in need can refer to the following examples of this article to describe the implementation of Javabeans based on the xstream package. How to convert XML documents. Share it with everyone for your reference, the details are as follows: 1. Required Jar package: xpp3_min.jarxstream.jar download address of this website. Add these two jars to the project 2. Add two users...

Jun 13, 2017 am 09:37 AM

10 recommended articles about defining color

1. Use XML resource files to define colors. This method has good scalability and is easy to modify and share. For example, create a color.xml<?xml version="1.0" encoding="utf-8"?>< in the values directory. resources> <color

Jun 13, 2017 am 09:35 AM