MahmudHasanCSE

## Python:

# create venv
python -m venv venv		
# python -m virtualenv .

# activate venv
source venv/bin/activate	   

# deactivate venv

MahmudHasanCSE

##Command line instructions##

#Git global setup
git config --global user.name "Mahmud Al Hasan"
git config --global user.email "mahmud@datashall.com"

#Create a new repository
git clone https://gitlab.com/zero.fighter/test.git
cd test
touch README.md

MahmudHasanCSE

MySQL

Getting started:

• http://www.sqlteaching.com/
• https://www.codecademy.com/courses/learn-sql

Related tutorials:

• MySQL-CLI
• Analyzing Business Metrics

MahmudHasanCSE

Using Git

Global Settings

• Related Setup: https://gist.github.com/hofmannsven/6814278
• Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/
• Interactive Beginners Tutorial: http://try.github.io/
• Git Cheatsheet by GitHub: https://services.github.com/on-demand/downloads/github-git-cheat-sheet/

MahmudHasanCSE

# recursive abacus
def inc(x,n=0): return inc(x^(1<<n),inc(0,n)) if x&(1<<n) else x|x^(1<<n)

# there are 10 type of coders ...
lambda i: i++ (lambda j: j()**j())(type(i)) #halike

# dyslexia
lambda i: (sum(range(x))*2)/x # decrement  #halike

# it's all about the context

MahmudHasanCSE

a = int(input()) 				# direct input with casting 

a,b=input().split() 			# input a and b 

a,b=map(int,input().split()) 	# input a and b with casting 

MahmudHasanCSE

import os
import configparser #  configparser to read the profiles.ini file in to determine which folder to use

mozilla_profile = os.path.join(os.getenv('APPDATA'), r'Mozilla\Firefox')
mozilla_profile_ini = os.path.join(mozilla_profile, r'profiles.ini')
profile = configparser.ConfigParser()
profile.read(mozilla_profile_ini)
data_path = os.path.normpath(os.path.join(mozilla_profile, profile.get('Profile0', 'Path'))) 
                                # os.path.normpath() is used to ensure backslashes are used.

MahmudHasanCSE

def pow(a, n):         # a^n --- O(log n)      
    if n == 0: return 1
    if n == 1: return a 

    if n % 2 == 1:
        return a * pow(a, n-1) 
    else:
        p = pow(a, n/2)
        return p * p
print(pow(2, 2))

MahmudHasanCSE

# a^n --- O(n)        
def pow(a, n):    
    result = 1.0
    for _ in range(n):
        result = result * a
    return result

print(pow(2, 2))

MahmudHasanCSE

import os
import sqlite3
import operator
from collections import OrderedDict
import matplotlib.pyplot as plt
import webbrowser as wb

def parse(url):
    try:
        parsed_url_components = url.split('//')