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# Category Software Engineering

## How one can Create a Reverse Polish Notation Calculator in Javascript

The problem# Your job is to create a calculator which evaluates expressions in Reverse Polish notation. For instance expression 5 1 2 + 4 * + 3 – (which is equal to 5 + ((1 + 2) * 4) – 3 in regular notation) ought…

## The right way to Create a Pyramid Array in Javascript

The problem# Write a operate that when given a quantity >= 0, returns an Array of ascending size subarrays. pyramid(0) => [ ] pyramid(1) => [ [1] ] pyramid(2) => [ [1], [1, 1] ] pyramid(3) => [ [1], [1,…

## Learn how to Resolve the Grouped by Commas Problem in Javascript

The problem# End the answer in order that it takes an enter n (integer) and returns a string that’s the decimal illustration of the quantity grouped by commas after each 3 digits. Assume: 0 <= n < 2147483647 Examples: 1 -> “1” 10…

## How you can configure Terraform to make use of Native Suppliers from Nexus

In case your group has blocked registry.terraform.io and has as an alternative downloaded the supplier binaries to Nexus, then you are able to do the next to nonetheless make your Terraform execute appropriately. Step 1 – Obtain the Required Suppliers#…

## The best way to Convert IPv4 to int32 in Javascript

The problem# Take the next IPv4 tackle: 128.32.10.1 This tackle has 4 octets the place every octet is a single byte (or 8 bits). 1st octet 128 has the binary illustration: 10000000 2nd octet 32 has the binary illustration: 00100000…

## Reverse Letters in Kotlin

The problem# Given a string str, reverse it omitting all non-alphabetic characters. Examples: For str = “krishan”, the output needs to be “nahsirk”. For str = “ultr53o?n”, the output needs to be “nortlu”. Enter/Output: A string consists of lowercase Latin letters, digits, and symbols. The…

## The best way to carry out Array Factor Parity in Golang

The problem# You’ll be given an array of integers whose components have each a adverse and a constructive worth, apart from one integer that’s both solely adverse or solely constructive. Your process might be to search out that integer. Examples:…

## Base64 Encode a String in Java

Fast resolution# In brief, you possibly can simply do that: new String(Base64.getEncoder().encode(bytes)); Examples and a proof# In Java 8 and above, you simply have to import the Base64 class: import java.util.Base64; Then use the Base64 static strategies as follows: byte[]…

## How you can Base64 Encode/Decode in Golang

Go ships with an encoding/base64 package deal that permits for encode and decoding of Base64 strings. Import the base64 package deal after which begin utilizing it! Base64 encode/decode a string# package deal major import ( b64 “encoding/base64” “fmt” ) func…

## [Solved] AWS Fargate shouldn’t be in a position to learn secrets and techniques from Secret Supervisor

In case you’re operating a Fargate job and it’s not in a position to learn secrets and techniques from AWS Secret Supervisor, there are some things you possibly can examine: Confirm that the Fargate job has the proper IAM permissions…