꼰대코더

final thing my old man died when I was 26 years old 마지막으로, 내 아버지는 내가 26살 때 돌아가셨다.he said a couple things to me which I'll share them all 그분이 나에게 몇 가지 말씀해 주셨는데, 그것들을 모두 공유하려 한다.the number one thing was he said 첫 번째로, 아버지가 이렇게 말씀하셨다.I don't care if you sell paper clips or locomotives for a living 나는 네가 종이클립을 팔든, 기관차를 팔든 상관없다.people buy from people they like 사람들은 자신이 좋아하는 사람에게서 물건을 산다.this world ha..

import numpy as npimport pandas as pddata_path = 'https://github.com/vandit15/Movielens-Data/blob/master/ml-1m/ratings.dat?raw=true'df = pd.read_csv(data_path, header=None, sep='::', engine='python')df.columns = ['user_id', 'movie_id', 'rating', 'timestamp'] n_users = df['user_id'].nunique()n_movies = df['movie_id'].nunique()def load_user_rating_data(df, n_users, n_movies):    data = np.zeros([n..

Client html for uploading filehtml lang="en"> head>     meta charset="UTF-8" />     meta name="viewport" content="width=device-width, initial-scale=1.0" />     meta http-equiv="X-UA-Compatible" content="ie=edge" />     title>Documenttitle> head> body>     form       enctype="multipart/form-data"         action="http://localhost:8080/upload"         method="post"     >   input type="file" name="m..

Clienthttp://localhost:8080/person?first_name=GS&last_name=PAK Server※ r.URL.Query().Get("first_name")  보다 에러체크가 가능한 url.ParaseQuery를 사용package mainimport ( "fmt" "log" "net/http" "net/url" "os")func parseQuery(w http.ResponseWriter, r *http.Request) { params, err := url.ParseQuery(r.URL.RawQuery) if err != nil { log.Fatal(err) } first_name := params.Get("first_name") last_name := params.Get("la..

struct 을 JSON string 으로 변환type Book struct {     Title string `json:"title"`     Author string `json:"author"` } // an instance of our Book struct book := Book{Title: "Learning Concurreny in Python", Author: "Elliot Forbes"}byteArray, err := json.Marshal(book) if err != nil {     fmt.Println(err) } fmt.Println(string(byteArray)) struct 과 struct 속의 struct 을 JSON string 으로 변환type Book struct {    ..