Article directory 1. Fair lock and unfair lock 2. Reentrant lock 3. Deadlock 4. Verification and troubleshooting of deadlocks 1. Fair lock and unfair lock Still the previous example of selling 30 tickets in three threads: //Resource class class LTicket{<!– –> private Integer number = 30; private final ReentrantLock lock = new ReentrantLock(); public void […]
Tag: tig
Install tigervnc on Kirin KYLINOS desktop operating system 2303
Original link: Install tigervnc on Kirin KYLINOS desktop operating system 2303 Hello, everyone, today I will bring you an article about installing tigervnc on Kirin desktop operating system 2303. This article will tell you how to install and use it through remote connection. I will update you later on how to make tigervnc into a […]
docker deploys tig monitoring service
Foreword The service corresponding to tig is influxdb grafana telegraf This architecture is simpler than the traditional promethus architecture. Although the influxdb open source solution does not have cluster deployment, it is simple and efficient for small and medium-sized service monitoring needs. This article uses docker-compose to demonstrate the rapid construction and effect of this […]
Analysis and evidence collection for emergency response intrusion investigation
3. Analysis and evidence collection 3.1 System log analysis The Windows system log records information about hardware, software, and system problems in the system, and can also monitor events that occur in the system. Users can use it to check the reason why an error occurred, or to look for traces left by the attacker […]
Image recognition-face recognition and fatigue detection-python opencv computer competition
Article directory 0 Preface 1. Background of the topic 2 Dlib face recognition 2.1 Introduction 2.2 Advantages of Dlib 2.3 Related code 2.4 Face database 2.5 Face entry and recognition effect 3 Fatigue detection algorithm 3.1 Eye detection algorithm 3.3 Nod detection algorithm 4PyQt5 4.1 Introduction 4.2 Related interface code 5 finally 0 Preface A […]
OpenCV implements blink fatigue detection perfectly in practice! !
Table of Contents 1. Project process 2. Code implementation 3. Result display The application scenarios are mainly in monitoring systems and driver safety monitoring: Surveillance system: This project can be applied to the video stream of surveillance cameras to detect eye-closing behavior in real time. By calculating the number of eye closures and the eye […]
Android cold start optimization, one operation is as fierce as a tiger
1. Routine operations public class MainActivity extends Activity {<!– –> private static final Handler sHandler = new Handler(Looper.getMainLooper()); @Override protected void onCreate(Bundle savedInstanceState) {<!– –> super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); sHandler.postDelay(new Runnable() {<!– –> @Override public void run() {<!– –> // Time-consuming initialization required for page startup doSomething(); } }, 200); } } When most developers encounter the […]
Basic thread dimensions and tightening torque of ordinary threads.exe
1. Summary The main function of this software is to calculate the nominal stress cross-sectional area As by inputting the original triangle height P of the thread, the bolt specification (nominal diameter) d, and the yield stress σs of the material. sub>, external thread diameter d1, external thread diameter d2, tightening torque T and other […]
Godot C# .gitignore configuration
Godot uses C# to make script .gitIgnore configuration # Godot 4 + specific ignores .godot/ .vs/GODOT-TEST/DesignTimeBuild/.dtbcache.v2 .vs/GODOT-TEST/FileContentIndex/23917914-ec3f-48d9-88ba-17134cd964f6.vsidx .vs/GODOT-TEST/v17/.futdcache.v2 .vs/GODOT-TEST/v17/.suo .vs/ProjectEvaluation/godot-test.metadata.v7.bin .vs/ProjectEvaluation/godot-test.projects.v7.bin ## Ignore Visual Studio temporary files, build results, and ## files generated by popular Visual Studio add-ons. ## ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore # User-specific files *.rsuser *.suo *.user *.userosscache *.sln.docstates # User-specific files […]
[Cloud Computing Network Security] DDoS Mitigation Analysis: DDoS attack mitigation strategies, choosing the best provider and key considerations
Article directory I. Introduction 2. What is DDoS mitigation? 3. DDoS Mitigation Stage 4. How to choose a DDoS mitigation provider 4.1 Network capacity 4.2 Processing capabilities 4.3 Scalability 4.4 Flexibility 4.5 Reliability 4.6 Other considerations 4.6.1 Pricing 4.6.2 Direction of focus At the end of the article, a book titled “Secure Circulation of Data […]