logi case

IOS development case: Judging the Chinese zodiac by year, and ios case by year To write this blog, first of all, I would like to thank Lin Yongjian, who wrote this blog after reading Miss Lin's video course. Thank you very much. The requirement is as follows: Enter the year, click the button, and then judge the Chinese zodiac Based on the Year, and display a picture of the Chinese zodiac. The development

A small module case of the JPA project, a JPA project module case Recently, I was working on a Web project. I found a small module to take notes and sorted it out a little. Well, I entered the question. The code for the entire project is here: http://download.csdn.net/detail/leopard100/7712375 The framework used in the entire project is roughly as follows: backend> Struts + Spring + JPA; Foreground> jgGrid

Fault case: Insufficient disk space may cause mysql problems. Case: mysql During work, due to the customer's disk space alarm, insufficient space caused the following possible mysql problems. 1. mysql process cannot start 2. mysql cannot be shut down normally. kill-9 is required. 3. mysql can be used up, but the user fails to connect. telnet port 3306 fails. 4. mysql can be connected, but most querie

Lucene-based case development: Collection of the overview page of the vertical and horizontal novels, lucene case Reprinted please indicate the source: http://blog.csdn.net/xiaojimanman/article/details/44851419 Http://www.llwjy.com/blogdetail/1b5ae17c513d127838c2e02102b5bb87.html The personal blog website has been launched. Its website is www.llwjy.com ~ Thank you ~Bytes ------------------------------------

C language: a typical case that involves the pointer function return value and printf garbled and memory stack. A typical case of printfA strange C language problem involves pointers, arrays, stacks, and printf. The following implementation: converts Integers to strings, returns string pointers, and CALLS printf in the main function for display. #include #include #include char* switch(int n) {

"TNS-03505: unable to resolve the name" Problem Solution case, tns-03505 case 1. Problem A developer adds an ORACLE client in a windows environment and configures "tnsnames. ora, prepare to connect to the ORACLE database Linux environment, with tnsping test reported TNS-03505: unable to resolve the name error, the request is resolved.2. Configuration content of the "tnsnames. ora" File # TNSNAMES.

Theme: Thinking about cache design caused by case studies Background:When talking about performance optimization, it is necessary to talk about the design and use of the Cache architecture. Almost everyone knows the power of caching, but they only know how to use it properly in their own projects. Our team has optimized the performance and architecture for projects of many companies and encountered many problems caused by misuse and misuse of the

One case of Hard Disk logical bad track repair and one case of Hard Disk LogicThe driver detects that the Device \ Harddisk0 \ DR0 will fail. Back up your data and replace the hard drive. Faults may occur quickly.This is recorded by the event viewer.What's wrong with this? May I ask if my hard drive is broken.Chkdsk scans and tries to restore the Bad Sectors (N), and finds 4 kb Bad Sectors C: \ Windows \ s

Servlet Case 1: User Logon, servlet case Database preparation: CREATE DATABASE web;USE web;CREATE TABLE users( id INT PRIMARY KEY AUTO_INCREMENT, username VARCHAR(64), PASSWORD VARCHAR(64), email VARCHAR(64) );INSERT INTO users (username,PASSWORD,email) VALUES("tom","123","tom@qq.com"),("lucy","123","lucy@qq.com");View Code Corresponding User class: package domain;public class User { priv

/// /// This class converts Arabic numerals to uppercase Chinese/// This class does not identify illegal numbers. Please determine in advance whether the numbers are valid/// Public class ChineseNum{ // Convert lowercase to uppercasePublic static string GetChineseNum (string p_num){ChineseNum cn = new ChineseNum (); Return cn. NumToChn (p_num );} // Convert the lower-case amount to the upper-case amount Pub

Php registration and login interface implementation case (recommended), login interface case At the beginning, I thought that the registration and login functions on a website were amazing. Later I did some research and found that the reason was very simple. Next I would like to see how to implement it .... I have created several files on my computer: Login.html (logon page) Register.html (registration page

The configuration and simple case of Struts2 and the case of struts2 1. Create a dynamic web project (make it automatically generate a web. xml file when it is created) 2. Introduce relevant jar packages 3. Configure in web. xml(The first file loaded after the tomcat server is started is web. xml)Add a filter to the Configuration: 4. Create the struts core file (struts. xml) and create it in the Java Res

Servlet Case 3: verification code function, servlet case 3 Verification Code Here we will introduce the simple verification code function. Dynamic Image Generation A simple page: View Code Simple JS Code to achieve click Verification Code image refresh Verification Code function: Package demo; import java. awt. color; import java. awt. font; import java. awt. graphics; import java. awt. graphics2D; import

Basic Hibernate Case 1: Basic hibernate case The MySQL database is used. 1. Introduce the jar package in the project and add references.When referencing a jar package, do not reference the Java ee-api jar first, and an error will be reported. 2. Write the student's entity class// Student ID private Integer sid; // name private String name; // age private Integer age;View Code 3. Hibernate. cfg. xml confi

Simple spring MVC + jpa configuration case, springmvcjpa case SpringMVC + jpa was built in person. Looking at the blogs on the internet, I found a lot of errors in setting up the framework. Now let's go through the process for later viewing. One of the problems I encountered was that it was possible to directly start tomcat to run and save the object, but an error was reported after passing the unit test: C

Servlet login case and servlet login case Users. java 1 package com.po; 2 3 public class Users { 4 private String username; 5 private String password; 6 7 public Users(){}; 8 9 public String getUsername() {10 return username;11 }12 public void setUsername(String username) {13 this.username = username;14 }15 public String getPassword() {16

One case for adaptive design under multi-class inheritance and one case for multiple classes In the Implementation Layer of the CITIC payment channel in the payment center, the class diagram design method for the Interconnection Implementation of each payment interface is as follows (the procedure framework of the payment center-hierarchical structure is attached ), api implementation of each payment interf

CSS3: Case Study of image flip switching and analysis of important properties; css3 Case Study Image flip switching. When CSS3 is not used, JavaScript is usually used for animation. Meanwhile, the width and left of the element, or height and top of the element are operated to simulate the flip effect, change src or z-index as appropriate to implement image switching. Inadvertently found CSS3 solution, http:

Css text style and control text case, css text style case Common text styles are as follows:

JS dynamic addition option case analysis, js dynamic Case Analysis This article analyzes how to add options dynamically in JS. We will share this with you for your reference. The details are as follows: I. Problems: The number of questions and answers of a questionnaire is not fixed. JS control answer II. Implementation Method: To achieve this effect, click the button to add 4 answer boxes below, select th