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You can install lodash through yarn as follows: Step 1 – Install Lodash to get the Library yarn add lodash Step 2 – Get the Typescript info yarn add --dev @types/lodash

How to SHA256 a String in Golang

May 18, 2022

If you need to SHA256 a String in Go, then you can use the crypto/sha256 package.

How to Base64 Encode/Decode in Golang

May 17, 2022

Go ships with an encoding/base64 package that allows for encode and decoding of Base64 strings.

How to Base64 Encode a String in Java

May 16, 2022

Java

Quick solution In short, you can just do this: new String(Base64.

How to add a Lambda Environment Variable in Terraform

May 15, 2022

Terraform

If you have an aws_lambda_function block that needs to make use of environment variables, then you can simply do the following:

How to perform Array Element Parity in Golang

May 14, 2022

The challenge You will be given an array of integers whose elements have both a negative and a positive value, except for one integer that is either only negative or only positive.

How to Reverse Letters in Kotlin

May 13, 2022

Kotlin

The challenge Given a string str, reverse it omitting all non-alphabetic characters.

How to Get the ASCII Value of Character in Kotlin

May 12, 2022

Kotlin

The challenge Get the ASCII value of a character. The solution in Kotlin Option 1:

How to update each dependency in package.json to the latest version

May 11, 2022

Javascript

You have 2 options: Option 1 – Recommended (Using npx) npx npm-check-updates -u npm install Option 2 – Older way (Using npm globally) npm i -g npm-check-updates ncu -u npm install

How to Convert IPv4 to int32 in Javascript

May 10, 2022

Javascript

The challenge Take the following IPv4 address: 128.32.10.1 This address has 4 octets where each octet is a single byte (or 8 bits).

How to Solve the Grouped by Commas Challenge in Javascript

May 9, 2022

Javascript

The challenge Finish the solution so that it takes an input n (integer) and returns a string that is the decimal representation of the number grouped by commas after every 3 digits.

How to Save sed Output Directly to a File

May 8, 2022

CLI , Linux

You have 3 options here: Option 1: use tee with sed sed 's/Hello/Hi/g' file-name | tee file Option 2: use > with sed sed 's/Hello/Hi/g' file-name > file Option 3: use sed with -i option sed -i 's/Hello/Hi/g' file-name

How to Convert BigNumber to Int/Number in Ethers/Web3

May 7, 2022

Web3

If you have a BigNumber when using web3, then you can convert this to a regular Javascript Number using the ethers library as follows:

How to Create a Pyramid Array in Javascript

May 6, 2022

Javascript

The challenge Write a function that when given a number >= 0, returns an Array of ascending length subarrays.

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