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Complete analysis of Boolean blind injection of SQL injection

Injection principle Boolean blind annotation is applicable when there is no echo during injection. The principle is that...
0:49 6 November 2021

Create colorful text display effect with SpannableString

https://www.jianshu.com/p/84067ad289d2 Leo Ma picking mushrooms follow 62016.06.06 23:41:06 number of words 1815 re...
0:11 6 November 2021

Noip simulation 90 2021.11.5 (longest problem solution)

T1 palindrome This classic \ (dp \) just can'...
22:34 5 November 2021

Multithreaded learning

Multithreading 1. Common communic...
21:15 5 November 2021

MHA high availability cluster deployment and failover

preface If there is a problem with the master server in the master-slave server, what should I do without affecting the ...
19:48 5 November 2021

MySQL database query exercise

Exercise 01 There is a department table, employee table, jobs table and job table as follows_ Grade table, locations tab...
15:42 5 November 2021

Simple use of Lombok in Mybatis basic learning

preface: Hello, guys, I'm running snail rz. Of course, yo...
15:01 5 November 2021

MySQL learning - group query group by

Group query - group by group by a...
2:13 5 November 2021

vueJs parent-child component communication

Parent child component communication Child components cannot reference the data of parent components or Vue instances. ...
20:09 4 November 2021

ZED2 camera operating environment construction (Ubuntu 20.04 + nvidia-470 drive + CUDA-11.4)

I. installation of calibration tool 1 install Kalibr Calibration of ZED2 binocular camera using kalibr tool 1) Install d...
17:53 4 November 2021

Fundamentals | deserialization Command Execution Vulnerability

Author: h0we777 Disclaimer: This article is only for study and research. It is strictly prohibited to engage in illegal ...
17:34 4 November 2021

JVM - 15. Locate out-of-heap memory OOM

1. Introduction to ByteBuffer out-of-heap memory In the article introducing OOM, we introduced out-of-heap memory and co...
16:37 4 November 2021

JavaSE (Basics) -- for, while, do while

Daily sentence: to put it down is to move forward better. The former beauty is kept in the bottom of my heart, and the f...
13:37 4 November 2021

Trap source code analysis

Switching between user space and kernel space is often called trap ...
13:33 4 November 2021

Spring's management of beans extended by three injection methods of spring 110402

spring's management of beans catalogue ...
12:30 4 November 2021

"21 days of good habits" phase I-13

C + + experience notes C++ Primer Plus Chapter 3 data processing   3.4.4         Type conversio...
11:08 4 November 2021

Promise a + handwritten promise

@[TOC] (article directory) preface 1. Promise's meaning? ...
5:14 4 November 2021

Deep learning Yolo algorithm code implementation

preface This blog mainly summarizes the technologies used in Yolo series according to the algorithm code of Yolo series,...
4:51 4 November 2021

N ways to implement various progress bars only using HTML/CSS

This article will introduce how to use HTML/CSS to create various basic progress bars and fancy progress bars and their ...
2:18 4 November 2021

Qt5 development and case study 13 Qt5 text editing function

preface   Qt classes often used when writing text editing programs containing formatting include QTextEdit, QTextDo...
2:12 4 November 2021

netty series: build a client to connect to the http2 server using http1.1

brief introduction For http2 protocol, its bot...
23:01 3 November 2021

Usage of function pointers and state machines

Original link: https://blog.csdn.net/liebecl/article/details/76718767 1 function pointer and state machine In many large...
21:33 3 November 2021

Stay up late to sort out 56 advanced handwriting knowledge points of JavaScript

preface Hello, I'm Lin Sanxin. Foundation is ...
19:41 3 November 2021

bug caused by improper operation of ThreadLocal

background The project is a simple web projec...
19:39 3 November 2021

Detailed explanation of Java construction method / garbage collection mechanism / brief description of JVM tuning / memory leak

Construction method Constructors, also known as constructors, are used to create and initialize objects. Detailed expl...
19:33 3 November 2021

Image rotation with ffmpeg filter

I found a problem at work: when shooting videos, mobile devices shoot through the vertical screen, and the thumbnail whe...
19:18 3 November 2021

[JavaSE series] Java classes and objects, all things are objects

⭐ ♪ previous words ⭐ ️ This article introduces you to Jav...
18:44 3 November 2021

In short, it is the solution of | CSP-S2 2021 (part)

Sync published on hriver2.github.io "Start" Because I felt very unwilling on the field, I wrote out the first ...
18:29 3 November 2021

PC wechat reverse: automatically save encrypted chat pictures

preface This article is based on anhkgg big man's article "Research on wechat PC end technology (2) - win voice&quo...
18:23 3 November 2021