Tag:Calculator

  • Monitoring Linux server CPU and memory

    Time:2020-11-14

    Use script to get CPU and memory of Linux server. Need to install BC calculator yum install -y bc Create execution script CPU utilization is calculated and 5 seconds sampling is configured. Execute the script and output in 5 secondsCollection date CPU load available memory total memory #!/bin/sh ##echo user nice system idle iowait irq […]

  • Implementation of simple calculator with C + +

    Time:2020-11-7

    This example for you to share C + + implementation of a simple calculator specific code, for your reference, the specific content is as follows tool stack map step initialization Read string Remove the space Negative sign processing The judgment is empty Check format calculation Examples code #include <iostream> #include <string> #include <stdio.h> #include <stack> […]

  • The cause and solution of the computer’s breakdown after the computer starts

    Time:2020-11-6

    Failure cause analysis: If there is no problem with the keyboard, it may be that the computer is poisoned. If there is such a problem, do not rush to re install the system, we can try to use the following method to see if it can be solved. resolvent: 1. If the calculator is opened […]

  • Realization of simple calculator function with C + +

    Time:2020-11-6

    C + + simple calculator specific code, for your reference, the specific content is as follows Requirements: input a non negative integer calculation expression containing + – * / and calculate the value of the expression. There should be a space between each character. If a line is 0, exit the program. Input example: 4 […]

  • MFC implementation of simple calculator

    Time:2020-11-5

    In vs2013 environment, using MFC to implement a simple calculator is mainly to be familiar with the use of MFC edit box and message passing mechanism. Implementation steps: 1. In the toolbox, support two edit controls, one is visible and the other is invisible (used to save operands). Add CString type variable m to them […]

  • Android realizes simple calculator function

    Time:2020-9-12

    This example for you to share Android implementation of a simple calculator specific code, for your reference, the specific content is as follows //Date: September 26, 2014 //First of all, people’s input habit is infix expression. For ease of calculation, the program converts infix expressions to suffix expressions //////////////////////////////////////////////////////////////////////////////////////// //At present, the software still exists […]

  • Implementation of a simple calculator based on JSP

    Time:2020-7-30

    This paper describes the method of implementing a simple calculator based on JSP. Share with you for your reference. The specific implementation method is as follows: index.jsp Copy codeThe code is as follows: <%@ page language=”java” import=”java.util.*” pageEncoding=”GB18030″%>  <%  String path = request.getContextPath();  String basePath = request.getScheme()+”://”+request.getServerName()+”:”+request.getServerPort()+path+”/”;  %>  <html>    <head>  <! — user submitted […]

  • Simple calculator implemented by JavaScript

    Time:2020-5-19

    The example of this article shares the specific code of a simple calculator implemented by JavaScript for your reference. The specific content is as follows The whole calculator is composed of HTML file, JS file and CSS style sheetOverall effect: put two divs in the body, a big bag and a small one, put the […]

  • Second, react makes a simple calculator

    Time:2020-5-19

    Readers of this articleFamiliar with JavaScript / nodejs, start of react, front-end framework selection and nodejs interested users Background overview: React, Vue and angular are three popular JavaScript frameworks in the front-end. I am not a professional front-end, pseudo full stack. There are two main reasons for choosing react: first, there is almost no new […]

  • How to design classes in Java

    Time:2020-4-20

             2019/12/24   |    The first semester of sophomore year   |Taiyuan University of science and technology      After learning java for the first time, we will find that the difficulty of Java is not that Java syntax is difficult to learn, but that we are hung on the “rope” of how to design classes. This is exactly one of the gaps […]

  • What is the MAC calculator shortcut? Apple Mac computer science calculator setup steps

    Time:2020-4-19

    I don’t know how many students who use Mac have used Mac’s native calculator application? What about MAC calculator shortcuts? It seems that the calculator with single function actually has two other calculator modes built in, namely, scientific calculator and programmer calculator. Today, I will introduce the shortcut key of MAC calculator and the setting […]

  • Making of JavaScript simple calculator

    Time:2020-4-8

    The example of this article shares the specific code of the simple calculator implemented by JavaScript for your reference. The specific content is as follows Finished product drawing This simple calculator can only perform + – * / operations Before we start, we need to clear our mind and look at the figure. If we […]