Java Notes | Interface vs Abstract class
Methods and members of an abstract class can have any visibility (public, protected or public), while all methods of an interface must be public.
Binary Search Time Complexity Analysis
Since, at each step the size of the (searchable) array is reduced to half (1/2), we could write the following recurrence relation for the Binary Search Algorithm
Binary Search Explained | LeetCode Solution
Binary Search is a divide and conquer algorithm that finds a particular element within a sorted array or a given integer range.
C Revision (Quick Notes)
Importance of main: main() function is the first function to be executed in the program. All the remaining functions in the program are called from main().
Restaurant Rating Solution (Heap) | CodeChef [Medium]
Chef has opened up a new restaurant. He picks out the positive reviews and posts it on the website of the restaurant. A review is considered to be positive if it is among the top one-third of the total reviews when they are sorted by their rating.
Custom Comparators in C++
Custom Comparators are used to compare the members or objects of user-defined containers (class/data structure).
Generate Pythagorean Triples
Given an integer limit, generate all Pythagorean Triples with values smaller than limit.
Commonly Used Databases (Quick Notes)
A columnar database stores the data of an entire column in consecutive memory blocks, while a relational database stores the data of an entire row of a table in consecutive memory blocks.
How does the Internet Work?
Some of these computers are web servers, which are just specialized computers that contain and serve content from your favorite websites, and others are just the client devices.
Database Index
When a query is run against a column on which a secondary index is created, the database will go to the secondary index (where it is stored) and look for the address of the corresponding row in the table.