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Return Index of Matching Closing Bracket in Go

March 6, 2022

The challenge In this challenge, you will be given a string with brackets and an index of an opening bracket and your task will be to return the index of the matching closing bracket.

How to Presign an S3 URL in AWS using AWS CLI

March 5, 2022

Aws , CLI

You can use the AWS CLI to presign URLs so that objects in S3 can be shared publicly even if they are set as private.

How to Download using Aria2c with Multiple Connections

March 4, 2022

If you use aria2c to download files using the command-line, then you can also use it to download using multiple connections.

How to Parse HTML/CSS Colors in Java

March 3, 2022

Java

The challenge In this challenge, you parse RGB colors represented by strings.

Solving Simple Transposition in Java

March 2, 2022

Java

The challenge Simple transposition is a basic and simple cryptography technique.

How to Binary to Text (ASCII) Conversion in Python

March 1, 2022

Python

The challenge Write a function that takes in a binary string and returns the equivalent decoded text (the text is ASCII encoded).

How to Find the Row of the Odd Triangle in Python

February 28, 2022

Python

The challenge Given a triangle of consecutive odd numbers: 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 .

Solving Number Zoo Patrol in Python

February 27, 2022

Python

The challenge Write a function that takes a shuffled list of unique numbers from 1 to n with one element missing (which can be any number including n).

Common AWS CDK CLI Commands

February 26, 2022

The AWS Cloud Development Kit (CDK) comes with numerous CLI commands.

How to Create an S3 bucket with PublicRead in CloudFormation

February 25, 2022

AWSTemplateFormatVersion: 2010-09-09 Description: Basic S3 Bucket CloudFormation template Resources: S3BucketForWebsiteContent: Type: AWS::S3::Bucket Properties: AccessControl: PublicRead Outputs: BucketName: Value: !

How to Create a VPC in CloudFormation

February 24, 2022

It’s very easy to deploy a VPC using CloudFormation: AWSTemplateFormatVersion: 2010-09-09 Description: Deploy a VPC Resources: VPC: Type: AWS::EC2::VPC Properties: CidrBlock: 10.

How to Setup Git on EC2 for AWS CodeCommit

February 23, 2022

Connect to the instance: chmod 400 KEYPAIR.pem ssh -i KEYPAIR.pem ec2-user@EC2PublicIP Install Git:

The Difference of 2 in Java

February 22, 2022

Java

The challenge The objective is to return all pairs of integers from a given array of integers that have a difference of 2.

How to Make the Deadfish Swim in Java

February 21, 2022

Java

The challenge Write a simple parser that will parse and run Deadfish.

How to Write Number in Expanded Form in Java

February 20, 2022

Java

The challenge You will be given a number and you will need to return it as a string in Expanded Form.

Is a Number Prime in Java

February 19, 2022

Java

The challenge Define a function that takes one integer argument and returns a logical value true or false depending on if the integer is a prime.

How to Calculate Minutes to Midnight in Java

February 18, 2022

Java

The challenge Write a function minutesToMidnight(d) that will take a date object as the parameter.

How to Change the Timestamp of a File on Mac/Linux

February 17, 2022

CLI , Linux , MAC

If you have a file on your machine, and you want to change the created/modified time/date stamp, then you can use the touch command.

How to Round up to the Next Multiple of 5 in Python

February 16, 2022

Python

The challenge Given an integer as input, can you round it to the next (meaning, “higher”) multiple of 5?

How to get the Sum of the First nth Term of a Series in Java

February 15, 2022

Java

The challenge Your task is to write a function that returns the sum of the following series up to nth term(parameter).

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