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boutiqueJava Development Tips: Reduce the Use of Magic Points
1. Preface When refactoring old code, I encountered similar writing:
public void attend(String value)...
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boutiqueSummary of core knowledge of java annotation
1. preface
A few years ago, our project was still running on structs 2, and once I asked a colleague if he knew
Spring...
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exclusiveBlack Box Penetration Testing Guide: SQL Injection
Test using automated scanning tools
Tools:AppScan,WebInspect,AWVS, etc.
Test method: Use automatic...
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boutiqueSeveral ways to remove elements from Java Collection
1. The preface operation set is something Java programmers repeat almost every day. Today let's study...
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boutiqueUnder what circumstances cannot Java generics be used
1. Introduction Java 1.5 introduces generics to ensure type safety, prevent type conversion exceptions at run time, and allow classes to...
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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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