Programmer Think

Let's talk about the PHP running environment of the Yii framework. Yii 2.0.12 uses the \ yii\base\Object class, and the Object as the class name PHP7.2 reports an error. The minimum available version of Yii2 for PHP7.2 is 2.0.13. Provides several ways to upgrade. The project uses Composer to manage bower and npm front-end resources. Inst ...

Preface Above How Mybatis's method maps to XML This article describes how Mybatis maps method names to statementID s for method splitting, how parameters are parsed into sql in xml, and how return types are handled; it will look at how methods are mapped from the XML side. XML Mapping Class In the previous two articles, you learned that the ...

Welcome to the original link: https://mp.weixin.qq.com/s/eAJpnEfjflVr76iPVHN6rA  This is a personal note of sorting and thinking after watching the above links   Advantages of docker container More efficient use of system resources Because the container does not need additional overhead such as hardware virtualization and runni ...

How many ways do you know to instantiate a class? new? Reflection? And? The author summarizes the following six ways: (1) instantiate a class by constructing a method; (2) instantiate a Class through Class; (3) instantiate a class by reflection; (4) instantiate a class by cloning; (5) instantiate a class through deserialization; (6) ins ...

Character device driven notes I. Introduction Among all Linux device drivers, character device driver is the most basic. This note will explain the structure of linux character device driver and explain the programming methods of its main components. II. Main structures and API functions cdev structure struct c ...

Preface In many ORM frameworks, Mybatis is used by more and more Internet companies. The main reason is that Mybatis is easy to use and flexible to operate. This series is going to ask questions to learn more about Mybatis from the source layer. Put questions to The most common way to use Mybatis is to get a Mapper interface object, and the ...

Or look at the blog on my CSDN:https://blog.csdn.net/u013332124/article/details/88367630 1. Introduction to JVMTI JVMTI (JVM Tool Interface) is a native programming interface provided by the Java virtual machine. It is an alternative version of JVMPI (Java Virtual Machine Profiler Interface) and JVMDI (Java Virtual Machine Debug Interface). ...

In some articles written before this number, the author used lambda expression syntax, some readers reported that the code could not be understood.I thought java 13 was already out. The most important feature of lambda expressions in java 8 should be well understood. In fact, there are still a large number of programmers who do not use java 8, ...

Tag: Array Title Description Enter a matrix to print out each number in clockwise order from outside to inside. For example, if you enter the following matrix: 1 2 3 4 5 6 7 9 11 12 13 14 15 16, the numbers 1,2,3,4,8,12,16,14,13,9,6,7,11,10 will be printed out sequentially. Solving problems First get the number o ...

1. Beans import java.util.Date; import java.util.LinkedList; import java.util.List; public class Result<T> { private Integer code; private String message; private Date time; private T data; public Integer getCode() { return code; } public void setCode(Integer code) { this.code = code; } ...