INotifyPropertyChanged usage and data binding in WPF

The INotifyPropertyChanged interface is often used to implement data binding in WPF. Here is a case of INotifyPropertyChanged. Define a Person class as follows: using System;   using System.Collections.Generic;   using System.Linq;   using System.Text;   using System.ComponentModel;      namespace WpfApp   {       public cl ...

Posted by keenlearner on Wed, 01 Apr 2020 14:40:36 -0700

python3 implementation of process monitoring with the same name in windows

python3 implementation of process monitoring with the same name in windows The SVN service of the old SVN server of the company is often shut down unexpectedly. It needs to write a simple monitoring script to monitor it; First, multiple SVN services use different ports. Use the wmic command to check the ports occupied ...

Posted by dud3r on Wed, 01 Apr 2020 10:03:26 -0700

Implementing Http server in Golang and parsing header parameters and form parameters

In HTTP service, header parameters and form parameters are often used. This article is mainly to practice how to parse the parameters and form parameters in the header of HTTP request in Go language. The specific code is as follows: package server import ( "net/http" "strconv" "fmt" ) func HttpStart(port int) { http.HandleFunc(" ...

Posted by KCAstroTech on Wed, 01 Apr 2020 05:54:39 -0700

Solution to unexpected termination of 0X1A in reading file

In the integrated development environment of Windows (Qt, VC, VS all have this problem), write the C/C + + program about file reading. When it reads 0X1A, it ends unexpectedly. After debugging and checking, it is found that 0X1A is processed as 0XFF (EOF (- 1)) after reading, but there is no such problem of parsing erro ...

Posted by silas101 on Mon, 30 Mar 2020 22:14:17 -0700

Undergraduate operating system class exercise 3 (and water taking problem C++ Windows code multithreaded semaphore)

There are several little monks and old monks in a temple. There is a water tank. The little monk carries water into the tank, and the old monk takes water from the tank for drinking. The water tank can hold 10 barrels of water. The water is taken from the same water well. The diameter of the well is narrow, and only one bucket can be used for w ...

Posted by SuprSpy79 on Mon, 30 Mar 2020 21:38:02 -0700

How to use python crawler to crawl from a chapter novel to a whole station novel

  Preface The text and pictures of the article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. PS: if you need Python learning materials, you can click the link below to get http://t. ...

Posted by rinventive on Sat, 28 Mar 2020 08:08:42 -0700

PyQt5 Case Summary (Full Version)

start PyQt5 Is a set of application frameworks bound to Qt5.He is available in Python 2.x and 3.x.This tutorial uses Python 3.x. The Qt library is the most useful set of GUI libraries. PyQt5 is implemented as a set of Python modules.He has more than 620 classes and 6000 functions and methods.He is a multiplatform component running on all major ...

Posted by webdogjcn on Fri, 27 Mar 2020 02:08:13 -0700

Zabbix Download Pictures via Graphid - 2nd Edition

Read the above before reading this article: https://blog.51cto.com/181647568/2480079 After downloading the script from the last Powershell version of the picture, I received some feedback.1. The last script accesses the database through dll and gets graphid through sql statement, which means there is a dll in addition to the script.And the dat ...

Posted by Protato on Wed, 25 Mar 2020 09:42:18 -0700

Timer-Case Analysis in JS

Making js timer In javascritp, there are two special functions for timers: 1. Countdown timer: timename = setTimeout ("function (;"), delaytime); 2. Cycle timer: timename=setInterval ("function();", "delaytime); The first parameter,'function()', is the action to be performed when the timer triggers. It can be a funct ...

Posted by Akenatehm on Wed, 25 Mar 2020 01:06:50 -0700

Go golang Quick Start [8.3] - Deep understanding of IEEE754 floating point numbers

Previous Introduction to Goang Quick Start [1]-go Language golang Quick Start [2.1]-go Language Development Environment Configuration-windows golang Quick Start [2.2]-go Language Development Environment Configuration-macOS golang Quick Start [2.3]-go Language Development Environment Configuration-linux golang Quick Start [3]-go helloworld How ...

Posted by gvp16 on Tue, 24 Mar 2020 11:12:45 -0700