anupam-io

anupam-io

def vlog(s):
    s = str(s)
    from gtts import gTTS
    from os import system
    language = 'en'
    output = gTTS(text=s, lang=language, slow=False)
    system("mkdir -p .vlogs")
    output.save("./.vlogs/output.mp3")
    system("ffplay -nodisp -autoexit ./.vlogs/output.mp3 >/dev/null 2>&1")

anupam-io

import numpy as np
import cv2

img = cv2.imread(img_path, cv2.IMREAD_GRAYSCALE)
img = cv2.resize(img, (20, 20)) 
img = np.array(img).ravel()
img = img.reshape(-1) 

print(img)

anupam-io

DITW: Delving into the Whitepaper

Bitcoin

• White paper link: Bitcoin: A Peer-to-Peer Electronic Cash System
• Medium article: Bitcoin: Delving into the whitepaper

Ethereum

• White paper link: Ethereum Whitepaper
• Medium article: Ethereum: Delving into the whitepaper

anupam-io

SET GLOBAL validate_password.length = 4;
SET GLOBAL validate_password.mixed_case_count = 0;
SET GLOBAL validate_password.number_count = 0;
SET GLOBAL validate_password.policy = LOW;
SET GLOBAL validate_password.special_char_count = 0;
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'test';

anupam-io

Git: The version control system

Initializing a git repo

• git init: initialize a git repository

Connecting to a Online repository

• git remote add origin https://github.com/akcgjc007/avl_tree.git: Connect your git to an existring online repository
• git remote -v: Show connected repositories

Adding files

• git add .: Add all files present in the current directory.
• git add : Add a particular file.

anupam-io

drop database if exists db;
create database db;
use db;

drop table if exists a,b;

create table a(attr1 varchar(50), score int(10));
insert into a (attr1, score)values
("info1", 1), ("info2", 2);

anupam-io

from time import time
n = 10**4
arr = [i for i in range(n)]

def test_fun(i):
  # some compuatations
  a =0
  b =0
  a+=arr[i]*arr[i]*arr[i]*arr[i]*arr[i]*arr[i]
  b+=arr[i]+arr[i]+arr[i]+arr[i]+arr[i]+arr[i]

anupam-io

import matplotlib.pyplot as plt
from random import randint, uniform

plt.rcParams['figure.figsize'] = [10, 6]
n = 20

x = [uniform(0, 100) for i in range(n)]     # x axis position
y = [uniform(0, 100) for i in range(n)]     # y axis position
rad = [uniform(0, 1000) for i in range(n)]  # radius of the circle
cat = [randint(1, 5) for i in range(n)]     # category

anupam-io

import matplotlib.pyplot as plt
import numpy as np
import time
from random import randint

n = 10
x = []
y = []

plt.ion()