[luogu CF1427F] Boring Card Game (nature)

Boring Card Game Title Link: luogu CF1427F Main idea Give you 6n cards in order, and two people take turns to take three consecutive cards at a time. Then give you the 3n cards that the first person wants, ensure that there is a way to get them, and ask you to output the scheme. (this is not a game, and the two can be regarded as cooperation ...

Posted by Johannes80 on Sat, 10 Sep 2022 21:15:33 +0300

HTML+CSS+JS Environmental Protection web Design Final Course Big Homework web Front-End Development Technology web Course Design Webpage Planning and Design

1. 👨‍🎓 website title 🌲 Environmental protection, đŸŒŗ Earth protection, 🌴 Campus environmental protection, đŸŒĩ Garbage sorting, đŸšĩđŸŧ Green home, etc. Design and production of websites. 2. ✍ī¸ Website description ⭐ Summarizes the experience of some students in web page production: general web pages need to incorporate the follow ...

Posted by robembra on Fri, 09 Sep 2022 21:16:06 +0300

Stream stream, method reference

Stream stream, method reference Chapter 1 Stream Speaking of Stream, it is easy to think of I/O Stream, but in fact, who stipulates that "stream" must be "IO stream"? In Java 8, thanks to Lambda The functional programming from the past introduces a new concept of Stream to solve the existing shortcomings of the existing c ...

Posted by filteredhigh on Fri, 09 Sep 2022 21:06:33 +0300

Explore the principle of XSS exploiting encoding bypass

The article was last updated: November 01, 2019 09:56:55For the bypassing posture of XSS attack, you may use the code by opening your mouth, but there are so many ways to code, how to code, and what is the principle, most people may not be familiar with it, this time I will use this article to explain Explore the posture and principle of XSS en ...

Posted by Sassy34 on Fri, 09 Sep 2022 21:02:25 +0300

Laravel learning record -- database migration

laravel database migrationData migration files are stored in database/migrations Features: Version rollback is possible, which is convenient for team developmentCreate table from data migration file 1 Create a database Configure the .env file to select the databaseDB_CONNECTION=mysql DB_HOST=127.0.0.1 DB_PORT=3306 DB_DATABASE=ches DB_USERNAME ...

Posted by jstone3503 on Thu, 08 Sep 2022 21:51:05 +0300

Notes on the fourth day of basic JavaScript

JavaScript Basics - day 4 notes Understand the meaning of encapsulation, be able to realize logical encapsulation through the declaration of functions, know the characteristics of object data types, and realize simple calculation functions in combination with mathematical objects. Understand the characteristics of function encapsulationM ...

Posted by rem on Thu, 08 Sep 2022 21:32:14 +0300

birthday cake question

A problem description Make a birthday cake of volume NĪ€ with M layers, each layer being a cylinder. Suppose the i-th layer of cake from bottom to top is a cylinder with radius Ri and height Hi. When I < m, RI > RI + 1 and hi > hi + 1. Since the cake maker needs to spread the cream, in order to save money as much as possible, it i ...

Posted by El_Dudereno on Thu, 08 Sep 2022 21:08:15 +0300

Derivation of C++ decltype type

decltype specifier (C++11) C++11 introduces a decltype specifier, which can obtain the type of an object or expression. It is also easy to use: #include <iostream> int main() { int x1 = 0; decltype(x1) x2 = 0; // x2 is derived as int type (type of variable x1) std::cout << typeid(x2).name() << s ...

Posted by bimbo on Wed, 07 Sep 2022 22:08:45 +0300

Data structure - c language to realize basic operations such as adding, deleting, searching and modifying the leading circular double linked list (super long and super detailed)

1, Basic cognition What is a cycle The last node of the linked list points to the head node, forming a ring. Therefore, any other node can be found from any node in the circular linked list. What is a double linked list Two pointers are stored in the structure of the linked list, one pointing to the predecessor node and the other pointing t ...

Posted by kidestranged on Wed, 07 Sep 2022 21:55:27 +0300

[Delta][SQL] Delta open source payment function, the most complete analysis of the source code implementation process of ZOrder

Usually, in order to improve the efficiency of data processing, the computing engine needs to implement predicate pushdown, and the storage engine can skip irrelevant data or files as much as possible according to the pushdown filter conditions. Whether it is Hudi, Iceberg or Delta, Data-skiping technology based on min-max index has been implem ...

Posted by LiamBailey on Wed, 07 Sep 2022 21:05:34 +0300