Proof: Why the number of digits in an integer N equals ?

Overview In this short but important tutorial, we will discuss why the number of digits in an integer N is equal to . This well-known formula is used many times to optimize the runtime of…

https://thecodingbot.com/proof-why-the-number-of-digits-in-an-integer-n-equals-latex-lfloor-log_10-n-rfloor-1-latex/

Very important concept

Best resource to learn about pointers

(Very Important)Difference between mutable and immutable objects in Python https://medium.com/@meghamohan/mutable-and-immutable-side-of-python-c2145cf72747

How to print to stderr in Python?

Overview print() is a built-in method in python which by default writes to the python’s stdout file object. However, we can redefine the print() function to redirect the output to stderr rather than stdout. print()…

https://thecodingbot.com/how-to-print-to-stderr-in-python/

Great tutorial on C++ templates

How to get the number of rows and columns in a two-dimensional array?

Overview In this tutorial, We will see how we can get the number of rows and columns in a two-dimensional array in c++. Given the array A[m][n], the rows are m and the columns are…

https://thecodingbot.com/how-to-get-the-number-of-rows-and-columns-in-a-two-dimensional-array/

How to increment/decrement a variable in bash(shell scripting)?

Overview In this tutorial, we will see how we can increment/decrement a variable value in bash(shell scripting). There are a couple of ways to modify a variable value, we will try to cover them all…

https://thecodingbot.com/how-to-increment-decrement-a-variable-in-bashshell-scripting/

What is -eq in a bash(shell script)?

Overview -eq in bash(shell scripting) is a binary comparison operator which is used for arithmetic value comparison(i.e comparison of two integers). The general syntax is: INTEGER_1 -eq INTEGER_2 # INTEGER_1 is equal to INTEGER_2 Here,…

https://thecodingbot.com/what-is-eq-in-a-bashshell-script/

Different type of looping in Python

Overview In programming, a loop is a sequence of instructions that are continuously repeated until certain condition(s) is(are) met. The condition is often known as the terminating condition. In python, the Loops are broadly classified…

https://thecodingbot.com/different-type-of-looping-in-python/

Loops in Bash(Shell scripting)

Introduction In programming, a loop is a sequence of instructions that are continuously repeated till the certain condition(s) is(are) met. The condition is often known as the terminating condition. In bash scripting, we have different loop formats which…

https://thecodingbot.com/loops-in-bashshell-scripting/

Excellent resource to learn about telecom, LTE, 3G, 2G etc sharetechnotes.com

How to Implement 2048 game with bash https://github.com/mydzor/bash2048

***Detect face using Machine Learning and Deep Learning in Python*** https://machinelearningmastery.com/how-to-perform-face-detection-with-classical-and-deep-learning-methods-in-python-with-keras/

Conditional formatting and styling in a Pandas Dataframe

Overview Since 0.17, Pandas provide support for the styling of the Dataframe. We can now style the Dataframe based on the conditions on the data. Thanks to Pandas. In this article, we will focus on…

https://thecodingbot.com/conditional-formatting-and-styling-in-a-pandas-dataframe/

One of the member requested tutorials on combinatorics. Here's list of resources on the same:

Basics of combinatorics:

1. https://www.topcoder.com/community/competitive-programming/tutorials/basics-of-combinatorics/

2.Maths for competitive programming:

https://www.topcoder.com/community/competitive-programming/tutorials/mathematics-for-topcoders/

3. Advanced tutorial(dp+combinatorics) :
https://codeforces.com/blog/entry/54154

Where to find problems on combinatorics?

1. https://a2oj.com/category?ID=90
2. https://codeforces.com/problemset?tags=combinatorics
3. https://www.codechef.com/tags/problems/combinatorics

Happy coding(thecodingbot.com, t.me/computerprogrammingcodingbot)