True - build your own open source project from scratch
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requirement analysis
I found it on YouTube https://cssbattle.dev/ This practice css website (if you need to visit, remember to visit foreign websites). This is a good idea and triggered my own idea. In fact, t ...
Added by bughunter2 on Wed, 09 Mar 2022 12:44:36 +0200
3006 scholarship calculation
3006 scholarship calculation
Time Limit: 1000/1000MS (C++/Others) Memory Limit: 65536/65536KB (C++/Others) Total Submissions: 160 Accepted Submissions: 107 Problem Description It is the practice of a school to grant scholarships after the final examination of each semester. There are five kinds of scholarships, with different conditions:
Acad ...
Added by Centrek on Wed, 09 Mar 2022 12:36:53 +0200
RR route reflector
1 Introduction to route reflector
The role of routing reflector (RR) is mainly to simplify the configuration of IBGP neighbors. After using the reflector, the reflector is allowed to send the routing information from IBGP neighbors to another or a group of IBGP neighbors. The router allows the router configured as a routing reflector to transm ...
Added by mikeq on Wed, 09 Mar 2022 12:35:40 +0200
Solidity and smart contracts
1, Introduction to Solidity
1. Introduction
solidity is a contract oriented high-level programming language created to realize smart contracts, which can run on Ethereum virtual machine (EVM). It is a static language. The types included include not only the standard types in common programming languages, but also the unique types of Ethereum ...
Added by dennismcdougall on Wed, 09 Mar 2022 12:28:55 +0200
python mode, average, median implementation code (including the use of Dictionary)
Instead of numpy, use python to judge the median and average of modes in a list
Title: Statisticians want to use a set of functions to determine the median and mode of a list of numbers. The median is the number that appears in the middle after sorting a list. Mode is the number that appears most frequently in the list. These functions are def ...
Added by xdentan on Wed, 09 Mar 2022 12:18:08 +0200
Elasticsearch problems and Solutions
1. Type problem
When you create an index directly, the default type is set to_ doc.
You can also use put below to specify the type, and then delete this document. Hehe. Does it implement an empty and typed index
PUT / index name / type name (can not be directly replaced by _doclater) / document id
{
Request body
}
2. Field type in docu ...
Added by morganchia on Wed, 09 Mar 2022 12:01:36 +0200
[Redis] 4. Explain three special data types in detail: Geospatial, hyperlog and Bitmap
These three special data types are not a new type; The bottom layer is one of the five types; For example: Zset, String
1. Geospatial geographic location
geo: geographical location[ ˈ spe ɪʃ l] spatial
Positioning of friends, people nearby, taxi distance calculation?
Redis's Geo is in redis3 Version 2 is launched! This function c ...
Added by donbonzo on Wed, 09 Mar 2022 12:00:22 +0200
Full compilation of ijkplayer for Mac to generate Android Library
ijkplayer compilation
GitHub address: https://github.com/Bilibili/ijkplayer
Recently, I did a new training and talked about the compilation process. I found that many people can't pull the code and compile it. I use a new computer to sort out the pits that will be encountered in a new environment. Here, I simply record the complete content an ...
Added by adige72 on Wed, 09 Mar 2022 11:56:04 +0200
In the solution to the problem of enemy troops' Formation & & c + +, cin is a big pit
In c + +, cin is a big pit. Why do you say that? Let's look at the solution first.
The operation of this problem on the line segment tree is very simple (if you are lazy, you don't write the detailed process...), If you don't know the line segment tree, click the link below (this is equal to this question) Important line segment tree algorithm ...
Added by gromer on Wed, 09 Mar 2022 11:53:19 +0200
Sorting algorithm induction
1 Classification of sorting algorithms
1.1 stable sorting vs unstable sorting
Stable sorting: for elements with the same value, the relative positions before and after sequence sorting remain the same, that is, if Ai = Aj, Ai is before Aj, and Ai is still before Aj after sorting. Such as insert sort, bubble sort and merge sort.
Unstable sortin ...
Added by danharibo on Wed, 09 Mar 2022 11:48:18 +0200