Programmer Think

Crowperjs is a very powerful but simple image cutting tool. It can be configured very flexibly, supports the use of mobile phones, and supports modern browsers including IE9 and above. (the key is that it's easy to use and can be done in a few lines of code.) Practice effect chart As shown in the figure, the specified picture can be cropped. Yo ...

Sketch This article is the author's understanding after reading the JavaScript object-oriented programming guide. It is just a sort of thinking on JavaScript prototype and multiple inheritance, not a basic knowledge explanation, suitable for understanding the prototype and inheritance, but not clear and thorough developers.I hope that you can c ...

Usually, when the word document editor suddenly loses power to the computer, when we open it again, the original record status is still. ps software history, we can use this record to restore the previous actions. These are the scenarios of memo mode Memo mode is to provide a function to save the state of an object, so that the object can be re ...

vue-02: vue common properties I. vue attribute set 1. Attribute set: v-bind,v-if,v-else-if,v-else,v-for,v-html,v-model,v-on,v-once,v-pre,v-show,v-text 2. V-bind / html/text: - any Picture introduction:         Introduction to use: // dom attribute assignment <li v-for="(item,key) in nameList" v-bind:key="key"> {{ ...

What is ORM? Simply speaking, it is the encapsulation of SQL query statements, which enables us to operate the database in the OOP way and generate safe and maintainable SQL code gracefully. Intuitively, it is a mapping relationship between Model and SQL. sequelize.query (original query) By default, the function returns two parameters - an ar ...

Put a picture first:   Explain: 1. For the BeanFactory life cycle of spring, we can customize and implement the functions we need according to the creation of beans Customized usage of container post processor: @Component public class MyInstantiationAwareBeanPostProcessor extends InstantiationAwareBeanPostProcessorAdapter { /* ...

Re learn java-9. Preliminary understanding of this keyword Preliminary understanding of this keyword Call properties of this class Call ordinary methods of this class Call constructor Represents the current object Preliminary understanding of this keyword Call properties of this class for instance: class Emp { priva ...

I. animation display of jQuery 1. $(document).ready(function(){ 2. $("#button1").click(function(){ 3. $ ( "p").hide(500,function(){ 4. alert("Hidden completion") 5. }) 6. }) 7. $("#button2").click(function(){ 8. $( "p").show(200,function(){ 9 ...

Processes and threads A process is a dynamic execution process of a program. It needs to go through a complete process from code loading, code execution to the completion of execution. This process is also a process from the generation, development to final extinction of the process itself. The multiprocess operating system can run multiple pro ...

1. Disorderly code 2 custom label <plugin>     <groupId>org.apache.maven.plugins</groupId>     <artifactId>maven-javadoc-plugin</artifactId>     <version>${maven_javadoc_version}</version>     <configuration>         <aggregate>true</aggregate>         <tags>             & ...