• ## Classic algorithm question: whose child runs the slowest

Time：2022-8-2

Problem descriptionSuppose there are three families, Zhang, Wang and Li, each with three children. One day, the nine children of the three families competed in a sprint. Regardless of age, the first place got 9 points, the second place got 8 points, the third place got 7 points, and so on. After the competition, it […]

• ## Review of word alignment task 2022

Time：2022-7-25

What is word alignment Word alignment in machine translation. It can be regarded as a sub derivative of machine translation. Word alignment is the task of finding the responsibility between source and target words in a pair of senses that are translations of each otherGenerally, this correspondence will be expressed as a correlation matrix like […]

• ## Manual implementation of deep learning component

Time：2022-7-24

convolution import numpy as np input_data=[ [[1,0,1,2,1], [0,2,1,0,1], [1,1,0,2,0], [2,2,1,1,0], [2,0,1,2,0]], [[2,0,2,1,1], [0,1,0,0,2], [1,0,0,2,1], [1,1,2,1,0], [1,0,1,1,1]] ] weights_data=[ [[ 1, 0, 1], [-1, 1, 0], [ 0,-1, 0]], [[-1, 0, 1], [ 0, 0, 1], [ 1, 1, 1]] ] #fm:[h,w] #kernel:[k,k] #return rs:[h,w] def compute_conv(fm,kernel): [h,w]=fm.shape [k,_]=kernel.shape r=int(k/2) #Define the map after boundary filling […]

• ## Application of artificial intelligence in sales and service module of customer relationship management software

Time：2022-7-13

The so-called Customer Relationship Management (CRM) is an application software designed to manage and improve the relationship between enterprises and their customers. The purpose of customer relationship management software system is: to meet the special needs of each customer, establish contact with customers, extract and mine the different needs of customers through various interactions with […]

• ## Fcosv2: an extended version of the original, with minor modifications and performance up to 50.4ap | IEEE t-pami 2020

Time：2022-6-24

This article is a minor overhaul of fcos. The final performance has reached 50.4ap, which is quite strong. You can refer to the improvement and promotion methods in the project  Source: Xiaofei’s algorithm Engineering Notes official account Paper: fcos: a simple and strong anchor freeobject detector Thesis address:https://arxiv.org/abs/2006.09214 Thesis Code:https://github.com/aim-uofa/AdelaiDet Introduction   the paper was […]

• ## Generalized focal loss: the magic change of focal loss and the probability distribution of the prediction box, maintaining the rising point | neurips 2020

Time：2022-6-20

In order to efficiently learn accurate prediction frames and their distributions, the paper extends focus loss and proposes a generalized focus loss that can optimize continuous value objectives, including quality focus loss and distribution focus loss. Qfl is used to learn the joint representation of better classification scores and positioning quality. DFL provides more information […]

• ## The latest database ranking was released, and SQL Server plummeted..

Time：2022-6-18

Author: Director General Source: OSC open source community (id:oschina2013) The popularity ranking of DB engines in August has been updated (based on the overall data change in July). The database with large fluctuation in scores is Microsoft SQL server, whose scores have decreased by 8.61 points compared with last month and 102.53 points compared with […]

• ## Fire fighting knowledge online question answering activity small program recheck

Time：2022-6-15

preface November 9 is the national fire protection day. The theme of this year’s fire protection activities is “pay attention to fire protection and put life first”. China’s fire safety day is November 9. The fire alarm numbers of all countries in the world are different. Each country has chosen the most easily remembered number […]

• ## Python turtle drawing figures with infinite decimal places

Time：2022-6-13

For some infinite fractions, use Python turtle to draw the graph of infinite decimal places. It’s very nice Calculate 1/13 and draw 1/13, fd=20, s=400 Design idea 1. introduce large decimal in Python to solve the problem of decimal places 2. calculate the required fraction, convert it into a string and extract the decimal places […]

• ## Simple use of drools decision table

Time：2022-6-4

1、 Background In previous articles, our business rules are written indrlIn the file, this is no problem for developers, but it is not very friendly for business people. Let’s learn this article brieflydroolsThe rules are written inexcelFile. 2、 A simple decision table In the figure aboveResultSetandResultTableIt is necessary,And in the same package, we’d better upload […]

• ## Baseline and date feature processing for kaggle tabular playground series – Jan 2022

Time：2022-6-2

Kaggle’s decision to extend their monthly form competition to 2022 is very good news for us. Kaggle also said that they have considered your comments, so I hope this means that they will no longer use the data set that is so large that the system crashes. The data set of this January’s competition is […]

• ## Analysis of 2022 TIANTI competition

Time：2022-5-22

L1-1 I want to win today (5 points) Title Description code #include using namespace std; int main() { cout << “I’m gonna win! Today!” << endl; cout << “2022-04-23” << endl; return 0; } L1-2 kinds of diamonds (5 points) Title Description code #include using namespace std; int main() { int n , v; cin […]