Complete & Brief Javascript notes

🚀Top 10 Github Repositories For Web Developer🚀

1. Web Developer-Roadmap : https://github.com/kamranahmedse/developer-roadmap

2. 30-Seconds-Of-Code : https://github.com/30-seconds/30-seconds-of-code

3. Awesome-Cheatsheets : https://github.com/LeCoupa/awesome-cheatsheets

4. CSS-Protips : https://github.com/AllThingsSmitty/css-protips

5. 33-JS-Concepts : https://github.com/leonardomso/33-js-concepts

6. You-Dont-Know-JS : https://github.com/getify/You-Dont-Know-JS/tree/2nd-ed

7. Front-End-Checklist : https://github.com/thedaviddias/Front-End-Checklist

8. Javascript-Questions : https://github.com/lydiahallie/javascript-questions

9. Clean-Code-Javascript : https://github.com/ryanmcdermott/clean-code-javascript

10. free-programming-books : https://github.com/EbookFoundation/free-programming-books

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👉 PYTHON CODE FOR NUMBER GUESSING GAME 👈

import random
import math

lower = 0
upper = 100

x = random.randint(lower, upper)
limit = round(math.log(upper - lower + 1, 2))

print("\n\tYou've only ", limit, " chances to guess the integer!\n")

count = 0

while count <= limit:
count += 1
guess = int(input("Guess a number:- "))

if count == limit:
print("\n\tThe number is %d" % x)
print("\tBetter Luck Next time!")
break
if x == guess:
print("Congratulations you did it in ",count, " try")
break
elif x > guess:
print("You guessed too small!")
elif x < guess:
print("You Guessed too high!")


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Data Science Notes

Algorithmic concepts for anyone who is taking Data Structure and Algorithms, or interested in algorithmic trading

Git commands cheatsheets for anyone working on personal projects on GitHub!

Mutable and Immutable

Mutable object : An object whose internal state can be changed is mutable.
Immutable object: Immutable doesn't allow any change in the object once it has been created.

Let's check mutability of List and tuple

L1=["c","o","d","e","n","g"]
L1[3]="i"
print(L1)

Output: ["c","o","d","i","n","g"]
👉 List is mutable

T1=("c","o","d","e","n","g")
T1(3)="i"
print(T1)

⭕️ TypeError: 'tuple' object does not support item assignment
👉 Tuple is immutable

Did you get what is really mean by the word "mutable" and "immutable"?

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Create tables for Customer and Employee
——————————————————-
---Customer Table---

Create table Customers
(
CustomerId int identity(1,1) primary key,
ContactName nvarchar(50),
City nvarchar(50),
Country nvarchar(50),
Phone nvarchar(20),
)

Insert into Customers values('Karan','Kanpur','India','9988775520')
Insert into Customers values('Rohit','Patna','India','9988771121')
Insert into Customers values('Jiwan','Hyderabad','India','9738771222')
Insert into Customers values('Sunita','Lalganj','India','9988771323')


---Employees Table---
Create table Employees
(
EmployeeId int identity(1,1) primary key,
FirstName nvarchar(50),
LastName nvarchar(50),
BirthDate datetime,
HireDate datetime
)

Insert into Employees values('Kumar','Pandey',Getdate(),Getdate())
Insert into Employees values('Geeta','Kumar',Getdate(),Getdate())
Insert into Employees values('Sandeep','Tiwari',Getdate(),Getdate())
Insert into Employees values('Ajay','Yadav',Getdate(),Getdate())

Select CustomerId, ContactName, City, Country, Phone From Customers

Select EmployeeId,FirstName, LastName, BirthDate, HireDate From Employees