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cd existing_repo
git remote rename origin old-origin
git remote add origin https://gitlab.com/newproject
git push -u origin --all
git push -u origin --tags

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let obj = {a:'b', c:{d:'e', f:{g:'h'}}}

let obj1 = {...obj}

// let obj2 = obj

// let obj1 =  Object.assign({}, obj)


obj1.a = 'b1'

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Node.js

1. Scale Node.Js application with clustering

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Interview Questions

Node.js

Q1: What do you mean by Asynchronous API? ☆☆

Answer: All APIs of Node.js library are aynchronous that is non-blocking. It essentially means a Node.js based server never waits for a API to return data. Server moves to next API after calling it and a notification mechanism of Events of Node.js helps server to get response from the previous API call.

Source: tutorialspoint.com

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{
    "security.workspace.trust.untrustedFiles": "open",
    "workbench.iconTheme": "vscode-icons",
    "workbench.colorTheme": "Monokai Vibrant",
    "explorer.confirmDelete": false,
    "workbench.startupEditor": "newUntitledFile",
    "terminal.integrated.fontFamily": "'DroidSansMono Nerd Font'",
    "editor.fontFamily": "FiraCode Nerd Font",
    "editor.fontLigatures": true,
    "editor.codeActionsOnSave": {

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Query optimization

1. https://levelup.gitconnected.com/in-search-of-improving-database-performance-a-comprehensive-guide-with-8-key-strategies-3496f2262cdb

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tree -I node_modules -L 2 | pbcopy

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1. Always use PUBLIC_URL in browserRouter as basename or while giving path to images.

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Context

Gives the reviewer some context about the work and why this change is being made, the WHY you are doing this. This field goes more into the product perspective.

Description

Provide a detailed description of how exactly this task will be accomplished. This can be something technical. What specific steps will be taken to achieve the goal? This should include details on service integration, job logic, implementation, etc.

Changes in the codebase

This is where becomes technical. Here is where you can be more focused on the engineering side of your solution. Include information about the functionality they are adding or modifying, as well as any refactoring or improvement of existing code.

Changes outside the codebase

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Code is clean if it can be understood easily – by everyone on the team. Clean code can be read and enhanced by a developer other than its original author. With understandability comes readability, changeability, extensibility and maintainability.

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General rules

1. Follow standard conventions.
2. Keep it simple stupid. Simpler is always better. Reduce complexity as much as possible.
3. Boy scout rule. Leave the campground cleaner than you found it.
4. Always find root cause. Always look for the root cause of a problem.

Design rules