Chuanshuoge

Tuesday 20 February 2018

Posted by chuanshuoge at 15:37

python threading

threading is better for IO-bound tasks. an IO-bound job is dominated by a lot of waiting on input/output to complete. multiprocessing is id...
Bank express + ejs + mongodb, authentication jwt + bcrypt

project url : https://chuanshuoge1-bank.herokuapp.com/ welcome page signup page register bob (password abc) sam (password 123) ...
sql concept review

Advantages of data base over file Built in multilevel integrity Logical and physical data independence from database applications G...
matplotlib area fill

import numpy as np from scipy import stats import matplotlib.pyplot as plt x = np.linspace(-5,5,100) #normal distribution, mean =0, dev...
django 38 rest framework token authentication

get from http://127.0.0.1:8000/api/album_list/ , response credential not provided post to http://127.0.0.1:8000/api/api-token-aut...
路的呼唤
django 30 filter by query

default 4 post/page, author all change author to bob, only show bob's posts change to 6 posts/page, still only show bob...
django 20 registration authentication

open webpage, not log in yet click add, update, delete album will redirect to login page new user, register account new u...
react hooks useInterval

setInterval with hooks is as egg on React’s face. useInterval() Is a Better API. blink every second, click toggle to stop or resum...
quantopian lecture pandas 2

import numpy as np import pandas as pd import matplotlib.pyplot as plt dict_data = { 'a' : [1, 2, 3, 4, 5], 'b'...