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

Performance comparison between golang sqlx and db.v3

Recently, when communicating with a big guy, I mentioned the problem of SQL query. His idea is to query data with the most primitive database driver without ORM. The benefits of doing so are twofold Express SQL semantics clearly for later optimization. Especially in report, data analysis and other complex SQL. Reduce useless encapsulation and ...

Posted by Sravan on Tue, 24 Mar 2020 07:29:38 -0700

Python - Project - Game 3 - Wizard?Blue elves?

Wait, it looks like we've just drawn a moving picture I don't know if you found it. It seems like we've just drawn a moving picture, just a picture!!!That's all the code. If there are 100 10000 + pieces?So we're so tall? Don't worry, pygame offers us a solution--the elves and the elves Spirit?Elf group?Blue elves?Pikachu? Spirit The object ...

Posted by sapna on Sun, 22 Mar 2020 22:09:06 -0700

Quick start to golang [8.2] - Secrets of automatic type inference

Preceding text Quick introduction to golang [1] - Introduction to go 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 Get started with golang [3]- ...

Posted by KILOGRAM on Sat, 21 Mar 2020 08:26:47 -0700