classification
boutiqueJava random number traps
preface
We should be familiar with random numbers. We use them to generate Captcha in business, or we have low requirements for repeatability...
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exclusiveBlack Box Penetration Testing Guide: XML Injection
I. attack scenarios
Send XML requests directly
described
Many application systems or components require...
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boutiqueFull analysis of Collectors in java8
1. The preface mentioned Collectors in an article about Collection removal elements yesterday. Believe a lot...
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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...
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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...
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exclusiveBlack box penetration testing guidance passed down
I. attack scenarios
Upload webshell directly
Describe many application systems...
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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...
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boutiqueWordPress Quick Start Chapter
"WordPress Quick Start" is a complete tutorial for zero-foundation learning and building a WordPress website. The compressed package contains...
boutiqueJava Collection Collation Interface Comparator
1. The preface recently used set sorting (based on Java 8). Now I use Stream whenever I can,...
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boutiqueResponsibility Chain Model of Design Model
preface
Many frameworks such as mybatis plug-ins, servlets filter, dubbo, security frameworks such as Spring sec...
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exclusiveDownload penetration testing guidance
attack scenarios
Download without defense
Description:
Many application systems or components provide...
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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...
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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...
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...
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