java grid output class

When doing the test, you often need to output some information to the console, but the format is messy. You want to make an output format similar to that of SQL client. After referring to some materials, you write a simple console grid output class and share the code for your reference. Usage: temporarily supports map and list data display, and ...

Posted on Mon, 28 Oct 2019 11:21:36 -0400 by 758

Design mode 5: Builder mode [creation mode]

In the process of software development, it is sometimes necessary to create a complex object, which is usually composed of several sub parts according to certain steps. For example, different characters in the game have different gender, personality, ability, face shape, body shape, clothing, hairstyle and other characteristics; steering wheel, ...

Posted on Mon, 28 Oct 2019 09:50:54 -0400 by offsprg01

How to batch test whether the SQL in Mybatis project is correct

Go to Oracle Recently, the company wants to develop overseas projects, so it needs to translate all the existing systems and change the database from the original Oracle to Mysql. The company's database interaction layer uses Mybatis, while Oracle and Mysql have some syntactic differences. Therefore, the Sql in the project needs to be changed, ...

Posted on Mon, 28 Oct 2019 03:29:03 -0400 by Thatsmej

Asynchronous programming in JavaScript

asynchronous What is asynchronous? In short, a task can be executed in multiple steps. First, execute a certain task, then jump out and execute other tasks. After the next task is ready, turn back and execute the next task. In this type, splitting a task into multiple segments of discontinuous execution is called asynchronous, and continuous ex ...

Posted on Mon, 28 Oct 2019 03:23:29 -0400 by jaapoost

TCP example of Socket programming (with detailed explanation of C/C + + code)

Description: it is mainly divided into steps to give a TCP example of socket programming under the windows platform; use the network programming specification Winsock under windows to complete the network communication; describe the details of each part of the program. Socket has three types of transmis ...

Posted on Mon, 28 Oct 2019 02:32:49 -0400 by Rykin

Making bricks for h5 games with native js

Preface First of all, let's explain the purpose of this series: in fact, the main reason is that the blogger wants to be proficient in using the relevant APIs of canvas, and is interested in the implementation logic of small games, so he hopes to improve his programming ability through this series of sm ...

Posted on Sun, 27 Oct 2019 06:39:22 -0400 by Divided

Python dictionary implementation -- source code interpretation

Source code interpretation of python dict The basic introduction of python dict Hash Table concept Three core structures of dict implementation Unscramble the C API source code of dict The basic introduction of python dict Generally, in programming languages, a data structure is needed to map so ...

Posted on Sun, 27 Oct 2019 06:36:58 -0400 by GinsBabu

Three programming practices of java container class

Three programming practices of java container class 1. Introduction 2. Topic analysis 3. Code implementation 4. Result screenshot Container class is both a class and a container for storing classes. As a container, it holds multiple "class objects"; as a class, it can operate on the &qu ...

Posted on Sun, 27 Oct 2019 06:32:41 -0400 by CaseyC1

Spring of Mybatis and transaction of Mybatis

    mybatis-3.4.6.release, mybatis-spring-1.3.2.release.     List-1 <!-- To configure mybatis Of sqlSessionFactory --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <!-- Automatic scanning mappers.xml file --> <!--<pro ...

Posted on Sun, 27 Oct 2019 05:04:12 -0400 by nogray

Data structure and algorithm basis

Data structure concept type Linear table, stack, queue, string, array, generalized table, tree, binary tree, graph. Data structure = logical structure + storage structure + operation / operation. Logical structure Logical structure is the logical relationship between data elements, independent ...

Posted on Sun, 27 Oct 2019 01:57:11 -0400 by lucym