classification
boutiqueMerge operations for Java Stream streams
1. Introduction Java Stream Api provides many useful Apis that make it convenient for us to combine collections or multiple similar types...
Free 
exclusiveBlack box penetration testing guidance passed down
I. attack scenarios
Upload webshell directly
Describe many application systems...
Free 
boutiqueWhen calculating in Java development, please be sure to use BigDecimal to calculate. BigDecimal summarizes and summarizes
Preface Today, a junior developer in the group asked why the tester tested that the price calculation module he wrote had calculation deviations...
Free 
boutiqueWordPress Quick Start Chapter
"WordPress Quick Start" is a complete tutorial for zero-foundation learning and building a WordPress website. The compressed package contains...
boutiqueGet file path in java
1. Introduction In Java development, we often need to obtain the path of a file, such as reading configuration files, etc. Today we will...
Free 
boutiqueJava Collection Collation Interface Comparator
1. The preface recently used set sorting (based on Java 8). Now I use Stream whenever I can,...
Free
exclusiveDownload penetration testing guidance
attack scenarios
Download without defense
Description:
Many application systems or components provide...
Free 
boutiqueResponsibility Chain Model of Design Model
preface
Many frameworks such as mybatis plug-ins, servlets filter, dubbo, security frameworks such as Spring sec...
Free 
boutiqueWeb front-end DIV+CSS practical tutorial
The Web Front-End DIV+CSS Practical Tutorial is a course that focuses on teaching the practical application of DIV layout and CSS styles. Here...
boutiqueJava rapid development QR code generation service
1. Preface I don't know when it started, but our lives were suddenly filled with QR codes, even the chickens of the ladies on the street...
Free 
boutiqueFrom Java 9 to Java 17 to Java 10
In the previous article, we reviewed some features of Java 9, and today we will take a look at what features Java 10 brings...
Free
boutiqueComparator and Comparable in Java
1. The previous article in the preface briefly explained java.util.Comparator. Today we will take a look at another one and...
Free 
exclusiveForwarding and redirecting black box penetration testing guidance
forward(forward)
It is a jump on the server side, where a request is sent from the client to the service...
Free 
boutiqueHow to determine whether a string is a number in java
preface
Numbers are often represented and conveyed in strings in some fields. So how do we determine a string...
Free 
English 
Chinese