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Array

• Two Sum
• Best Time to Buy and Sell Stock
• Contains Duplicate
• Product of Array Except Self
• Maximum Subarray
• Maximum Product Subarray
• Find Minimum in Rotated Sorted Array

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C++ OOPS Concepts

The main aim of OOP is to bind together the data and the functions that operate on them so that no other part of the code can access this data except that function.

Characteristics of an Object Oriented Programming language

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Awesome Resources:

1. Hello 2015:

• http://codeforces.com/blog/entry/15473
• http://codeforces.com/gym/100571
• http://codeforces.com/gym/100570
• Editorial: http://codeforces.com/blog/entry/15722

2. Segment Trees:

• https://codeforces.com/blog/entry/22616 (Questions)
• http://codeforces.com/blog/entry/15890

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How To Install and Use PostgreSQL on Ubuntu

Step 1 — Installing PostgreSQL

sudo apt update
sudo apt install postgresql postgresql-contrib

Step 2 — Using PostgreSQL Roles and Databases

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• Two Sum (#1)
• Median of Two Sorted Arrays * (#4)
• Longest Palindromic Substring (#5)
• String to Integer (atoi) (#8)
• Integer to Roman (#12)
• Roman to Integer (#13)
• Valid Parentheses (#20)
• Merge K Sorted Lists (#23)
• Valid Sudoku (#36)
• Combination Sum (#39)

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Part 2:

GCD and LCM Euclid’s Algorithm

Tutorial

• Kanas Univ
• Khan's Academy

Other Study Sources

• Wikipedia
• Youtube - Learn Math Tutorials

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Unit Test Frameworks

• Julia
• Go
• D

Julia's Unit Testing

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Project: Unit Test Framework

Organization: CHAPEL

Google Summer of Code, 2019

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Command

• apropos

  apropos "remove files"

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global:
    image:
        tag: 8.0.4
    identity:
      auth:
        publicIssuerUrl: "http://camundakeycloak.<domain>/auth/realms/camunda-platform"
        operate:
          redirectUrl: "http://operate.<domain>"
        optimize:
          redirectUrl: "http://optimize.<domain>"