Programmer Group

Hello, everyone. I'm the laboratory researcher of this issue - Crazy Gong Liang. Today, I will briefly introduce log and link tracking in. NET Core and log collection through link through experiment and complete operation process. Next, let's go to the lab and find out! Microsoft MVP lab researcher catalogue Logs in. NET Core console out ...

Hello, I'm brother Deng, Today, I'd like to introduce 11 classic use cases of list and tuple. Let's have a look! 1. Judge whether there are duplicate elements in the list We can implement an is to judge whether it is repeated or not_ The duplicated method uses the count method encapsulated in the list to judge the occurrence times of each ...

CRUD is what we often call addition, deletion, query and modification. It is also the most basic operation of the database C: create add R: retrieve find U: update modification D: Delete delete Comment: in SQL - indicates a comment, which needs to be on a single line, or use comment comment. 1, Create Let's create a student table first ...

Startup process of root Activity There are two types of Activity startup: one is the startup process of root Activity, and the other is the startup process of ordinary Activity. Root Activity refers to the first Activity started by the application, so the startup process of root Activity can also be understood as the startup process of the app ...

Computer vision expert Adrian roserock recently shared how to write a scanning program that can recognize QR code and bar code in real time with the help of OpenCV and Zbar. Finally, he deployed it on raspberry pie and successfully made a practical bar code & QR code scanning device. Recently, a friend asked me if there are any modul ...

1, Prepare 1. Install ubuntu system No system, play chicken feather!!! Of course, install a system first. I won't write the tutorial. Just search online. Naturally, it's a pile! Here I put a link for my reference, which is very detailed (the author said: "the most detailed in absolute history"), especially for Xiaobai!!! For your ...

Catalog One, Kruskal Two, the actual battle of Kruskal POJ 2349 Arctic Network Force buckle   1584. Minimum cost of connecting all points Three, Prim Fourth, Prim Actual Warfare Force buckle   1584. Minimum cost of connecting all points One, Kruskal Algorithmic ideas: Start to think of each point as a separate tree. Each ti ...

💜 Write before 💜 Preface This blog focuses on the following points 1. Understand the basic concepts of arrays 2. Master the basic usage of arrays 3. Array and method interoperability 4. Familiar with array-related common problems and codes~ 🎄 Array Basic Usage 🎅 What is an array Arrays essentially allow us to "batch ...

An introduction When using wireshark, one of the most frustrating things is filtering out what you need from a large number of data packets. In particular, when we need to analyze the protocol for a particular program, it's perfect to have a process name as a filter. I found an implementation when I checked the materials online, but the versio ...

Concepts of inheritance: Genetic algorithm is a computational model that simulates the natural selection and genetic mechanism of Darwin's biological evolution theory. It is a method to search for the best solution by simulating the natural evolution process. The characteristics of genetic algorithms: Common features of search algorithms are ...