Using Pythonic code to analyze Olympic medallist data
One of the main reasons why I love Python is its beauty and efficiency: Python makes it easy to answer complex questions about a set of data by exploiting th...
Posts by Tags
learning
Efficient programming with Python
Why is Python considered one of the most efficient programming language? Here is one simple example where Python results in 92% reduction of lines of code wh...
In-place reversal of a Doubly Linked List in linear time
“Write me a function that performs an in-place reversal of a Doubly Linked List in linear time.”
Dynamic programming to identify contiguous subarray with maximum sum
In Computer Science, the maximum sum subarray problem is the task of finding a contiguous subarray with the largest sum, within a given one-dimensional array...
Identify palindromes in Python
Let’s build a function that mimics a palindrome checker in Python!
Object-oriented implementation in Python of a printer and its printing queue
Let’s build an object-oriented implementation of a printer. In particular, we want to mimic the behaviour of the printer by means of its printing queue given...
Identify strings made of matching symbols
Let’s build a function that mimics what happens in the text editor when the linter is checking for whether or not you remembered to close all of your opening...
Find the number of anagrams by words length
Let’s build an anagram finder together. An anagram is a word (or phrase) formed by rearranging the letters of a word (or phrase), typically using all the ori...
Suggest the best real-time fraud detection model and the metrics to optimize it for
Let’s pretend that you work in a Payment Service Provider company and you are required to build a model to detect frauds on its platform. How would you choos...
Select a random number from a stream with O(1) space
An algorithm is said to take “constant space complexity”, i.e. O(1), if the additional space complexity used by the algorithm, meaning the extra space that i...
Find out reasons for decreasing average number of comments per user
Let’s pretend that you are working at a Social Media Company and your boss askes you: “The average number of comments per user has decreased over the last th...
How to find users without overlapping date ranges in SQL?
What if you wanted to highlight the users who have subscribed to your company’s service in a period of time different than any other users?
5 Simple Yet Tricky Python Interview Exercises
When did you start learning Python? Do you remember your first Python piece of code? I remember doing my first Python exercises: I was so excited about learn...
Real talk with a Data Scientist
I recently stumbled upon two video interviews published by Springboard of a real talk with a Google Data Scientist and another real talk with an Instagram Da...
My Data Journey Has Begun!
I am writing down this post at 9:32pm of July 6, 2019, and I am wondering what I will be like in 3, 5, 10 years from today.
interview
Using Pythonic code to analyze Olympic medallist data
One of the main reasons why I love Python is its beauty and efficiency: Python makes it easy to answer complex questions about a set of data by exploiting th...
In-place reversal of a Doubly Linked List in linear time
“Write me a function that performs an in-place reversal of a Doubly Linked List in linear time.”
Dynamic programming to identify contiguous subarray with maximum sum
In Computer Science, the maximum sum subarray problem is the task of finding a contiguous subarray with the largest sum, within a given one-dimensional array...
Identify palindromes in Python
Let’s build a function that mimics a palindrome checker in Python!
Object-oriented implementation in Python of a printer and its printing queue
Let’s build an object-oriented implementation of a printer. In particular, we want to mimic the behaviour of the printer by means of its printing queue given...
Identify strings made of matching symbols
Let’s build a function that mimics what happens in the text editor when the linter is checking for whether or not you remembered to close all of your opening...
Find the number of anagrams by words length
Let’s build an anagram finder together. An anagram is a word (or phrase) formed by rearranging the letters of a word (or phrase), typically using all the ori...
Suggest the best real-time fraud detection model and the metrics to optimize it for
Let’s pretend that you work in a Payment Service Provider company and you are required to build a model to detect frauds on its platform. How would you choos...
Select a random number from a stream with O(1) space
An algorithm is said to take “constant space complexity”, i.e. O(1), if the additional space complexity used by the algorithm, meaning the extra space that i...
Find out reasons for decreasing average number of comments per user
Let’s pretend that you are working at a Social Media Company and your boss askes you: “The average number of comments per user has decreased over the last th...
How to find users without overlapping date ranges in SQL?
What if you wanted to highlight the users who have subscribed to your company’s service in a period of time different than any other users?
5 Simple Yet Tricky Python Interview Exercises
When did you start learning Python? Do you remember your first Python piece of code? I remember doing my first Python exercises: I was so excited about learn...
python
Using Pythonic code to analyze Olympic medallist data
One of the main reasons why I love Python is its beauty and efficiency: Python makes it easy to answer complex questions about a set of data by exploiting th...
Efficient programming with Python
Why is Python considered one of the most efficient programming language? Here is one simple example where Python results in 92% reduction of lines of code wh...
In-place reversal of a Doubly Linked List in linear time
“Write me a function that performs an in-place reversal of a Doubly Linked List in linear time.”
Dynamic programming to identify contiguous subarray with maximum sum
In Computer Science, the maximum sum subarray problem is the task of finding a contiguous subarray with the largest sum, within a given one-dimensional array...
Identify palindromes in Python
Let’s build a function that mimics a palindrome checker in Python!
Object-oriented implementation in Python of a printer and its printing queue
Let’s build an object-oriented implementation of a printer. In particular, we want to mimic the behaviour of the printer by means of its printing queue given...
Identify strings made of matching symbols
Let’s build a function that mimics what happens in the text editor when the linter is checking for whether or not you remembered to close all of your opening...
Find the number of anagrams by words length
Let’s build an anagram finder together. An anagram is a word (or phrase) formed by rearranging the letters of a word (or phrase), typically using all the ori...
Select a random number from a stream with O(1) space
An algorithm is said to take “constant space complexity”, i.e. O(1), if the additional space complexity used by the algorithm, meaning the extra space that i...
5 Simple Yet Tricky Python Interview Exercises
When did you start learning Python? Do you remember your first Python piece of code? I remember doing my first Python exercises: I was so excited about learn...
case
Suggest the best real-time fraud detection model and the metrics to optimize it for
Let’s pretend that you work in a Payment Service Provider company and you are required to build a model to detect frauds on its platform. How would you choos...
Find out reasons for decreasing average number of comments per user
Let’s pretend that you are working at a Social Media Company and your boss askes you: “The average number of comments per user has decreased over the last th...
data
My Data Journey Has Begun!
I am writing down this post at 9:32pm of July 6, 2019, and I am wondering what I will be like in 3, 5, 10 years from today.
data science
Real talk with a Data Scientist
I recently stumbled upon two video interviews published by Springboard of a real talk with a Google Data Scientist and another real talk with an Instagram Da...
sql
How to find users without overlapping date ranges in SQL?
What if you wanted to highlight the users who have subscribed to your company’s service in a period of time different than any other users?