Calvin

Passionate about building products that people love.

Joined on Sep 25, 2019 https://github.com/calvinoea

Work

Software Developer

Calvin

Jan 11

Solidity Bits

#blockchain #programming #beginners #web3

1 min read

Node JS 101: What is Node Js

Nice introduction to Node JS!

Jul 9 '20

The CSS :not() Selector

This is a great article. Thank you for sharing your thoughts ...

Jun 26 '20

Repl Coding Challenge:Basic Recursion 👯

Thank you, David!

May 18 '20

Repl Coding Challenge:Basic Recursion 👯

Hey, David. Thanks a lot for your review and feedback 😁. I ha...

May 18 '20

UI Kits for any day use.

Awesome! WireframePro is also quite nice for mockups

May 17 '20

Leetcode:'Contains Duplicates' 🤔 🤔

Thanks a lot, Francesco. I'll try and solve it using differen...

May 15 '20

April 15 — Daily CodeNewbie Check-in Thread

If anyone is looking to learn JavaScript with code challeng...

Apr 16 '20

Welcoming Arit Amana to the DEV Team ✨

Welcome!

Mar 31 '20

View all 29 comments

Calvin

Oct 5 '20

How Blockchain Could Help Instagram

#todayilearned #blockchain #codenewbie #startup

2 min read

Calvin

Jul 29 '20

🧩 Code Bits => Window and Document

#todayilearned #javascript #beginners #books

1 min read

Calvin

Jul 19 '20

Laravel Bits [0 => "Middleware"]

#todayilearned #laravel #beginners #php

1 min read

Calvin

Jul 9 '20

PHP 7.3 [New=>Features] 🐘

#todayilearned #beginners #php

1 min read

Calvin

Jun 29 '20

Web3 and Business Requirements in the 21st Century

#todayilearned #blockchain #beginners #architecture

1 min read

Calvin

Jun 11 '20

Video Snippets: [5 => IAAS ] ☁️

#todayilearned #beginners #googlecloud #aws

1 min read

Calvin

Jun 4 '20

Understanding HTTP Request/Response Cycle

#todayilearned #beginners #ruby #html

1 min read

Calvin

Jun 4 '20

Request/Response Cycle 📶

#todayilearned #beginners #ruby #architecture

1 min read

Calvin

Jun 3 '20

5️⃣ Ways to be Productive as a Developer

#productivity #devops #opensource #beginners

1 min read

Calvin

Jun 1 '20

Git for Newbies [0]

#todayilearned #beginners #git #github

2 min read

Calvin

May 17 '20

Reading Snippets [57 => Navigator.vibrate] 📱

#codenewbie #beginners #javascript #ux

1 min read

Calvin

May 17 '20

Repl Coding Challenge:Basic Recursion 👯

#challenge #beginners #computerscience #codenewbie

1 4

1 min read

Calvin

May 15 '20

Leetcode:'Contains Duplicates' 🤔 🤔

#challenge #codenewbie #beginners #ruby

1 2

1 min read

Calvin

Apr 30 '20

Reading Snippets [56 => Objects] 🎁

#javascript #oop #codenewbie #beginners

1 min read

Calvin

Apr 25 '20

Reading Snippets [55 => Scoping]

#codenewbie #beginners #javascript

1 min read

Calvin

Apr 22 '20

Reading Snippets [54 => Ruby] 💎

#ruby #beginners #codenewbie #rails

1 min read

Calvin

Apr 21 '20

Reading Snippets [53 => Ruby] 💎

#ruby #rails #codenewbie #beginners

1 min read

Calvin

Apr 7 '20

Reading Snippets [52 => CSS] 🎨

#todayilearned #css #beginners #html

1 min read

Calvin

Apr 2 '20

Coding Challenges with Edabit 🖥️

#challenge #codenewbie #beginners

1 min read

Calvin

Mar 24 '20

🎥 Video Snippets: [4 => Bootstrap] 🥾

#beginners #codenewbie #css #html

1 min read

Calvin

Mar 12 '20

🎥 Video Snippets: [3 => Cookies] 🍪

#todayilearned #beginners #todayisearched #codenewbie

1 min read

Calvin

Mar 12 '20

Reading Snippets [51 => JSON] 📝

#todayilearned #beginners #codenewbie

1 min read

Calvin

Mar 7 '20

Reading Snippets [50 => HTML] 📝

#todayilearned #html #beginners #codenewbie

1 min read

Calvin

Mar 6 '20

Reading Snippets [49 => HTML] 📝

#todayilearned #html #codenewbie #beginners

1 min read

Calvin

Mar 3 '20

Open Source Adventures With Gitcoin 🚀

#todayilearned #blockchain #beginners #opensource

2 min read

Calvin

Mar 2 '20

Colourful CSS: Z-Index

#css #frontend #beginners #codenewbie

1 min read

Calvin

Feb 22 '20

Ricardian Contracts vs. Smart Contracts [0] 🔗

#blockchain #beginners #computerscience

2 min read

Calvin

Feb 22 '20

Reading Snippets [48 => Blockcain] 🔗

#blockchain #database #computerscience #beginners

1 min read

Calvin

Feb 16 '20

Reading Snippets [47 => This] 👉

#javascript #beginners #codenewbie

1 min read

Calvin

Feb 15 '20

Reading Snippets [46 => Objects] 📔

#javascript #beginners #oop #codenewbie

1 min read

Calvin

Feb 5 '20

Reading Snippets [45 => UX]

#todayilearned #ux #design #beginners

1 min read

Calvin

Feb 5 '20

Reading Snippets [44 => Design ]

#todayilearned #design #beginners #ux

1 min read

Calvin

Feb 3 '20

Reading Snippets [43 => Productivity ]

#todayilearned #productivity #beginners #todayisearched

1 min read

Calvin

Feb 2 '20

Reading Snippets [42 => Computer Science ]

#computerscience #beginners #ruby

1 min read

Calvin

Feb 2 '20

Reading Snippets [41 => Ruby ] 💎

#ruby #rails #beginners #computerscience

1 min read

Calvin

Jan 31 '20

Reading Snippets [40 => CSS ] 🎨

#css #beginners #html #codenewbie

1 min read

Calvin

Jan 23 '20

Video Snippets: [2 => Test Processes] 🎥

#todayilearned #testing #codenewbie

2 min read

Calvin

Jan 22 '20

Reading Snippets [39 => Arrow Functions]

#todayilearned #javascript #beginners #codenewbie

1 min read

Calvin

Jan 22 '20

Reading Snippets [38 => CSS]

#beginners #codenewbie #html #css

1 min read

Calvin

Jan 21 '20

Reading Snippets [37 => Validation]

#html #beginners

1 min read

Calvin

Jan 19 '20

Reading Snippets [36 => Grids]

#css #beginners

1 min read

Calvin

Jan 18 '20

Reading Snippets [35 => Git]

#beginners #git #github

1 min read

Calvin

Jan 18 '20

Reading Snippets [34 => Git]

#beginners #git #github

1 min read

Calvin

Jan 12 '20

Reading Snippets [33 => Callback]

#beginners #javascript #oop #functional

1 min read

Calvin

Jan 11 '20

Reading Snippets [32 => CSS]

#css #beginners

1 min read

Calvin

Jan 10 '20

Reading Snippets [31 => Git]

#beginners #git #github

1 min read

Calvin

Jan 10 '20

ReadingSnippets [30=>Cloud ☁️ Computing]

#aws #azure #beginners

1 min read

Calvin

Jan 10 '20

ReadingSnippets [29=>Cloud ☁️ Computing]

#aws #azure #beginners

1 min read

Calvin

Jan 9 '20

📚 Reading Snippets [28 => Git]

#beginners #git

1 min read

Calvin

Jan 8 '20

Reading Snippets [27 => Git]

#git #beginners

1 min read

Calvin

Jan 8 '20

Reading Snippets [26 => Git]

#git #beginners

1 min read

Calvin

Jan 7 '20

Reading Snippets [25 => Backticks]

#beginners #javascript

1 min read

Calvin

Jan 6 '20

Reading Snippets [24]

#javascript #beginners #oop

1 min read

Calvin

Jan 4 '20

Blockchain Snippets[1 => Transaction Validation]

#blockchain #beginners

1 min read

Calvin

Jan 3 '20

Blockchain Snippets [0]

#blockchain #beginners

1 min read

Calvin

Jan 3 '20

Reading Snippets [23]

#beginners #javascript

1 min read

Calvin

Dec 30 '19

Video Snippets [1]

#css #html #beginners

1 min read

Calvin

Dec 29 '19

Reading Snippets [22]

#todayilearned #javascript #beginners #books

1 min read

Calvin

Dec 28 '19

Reading Snippets [21]

#todayilearned #javascript #beginners

1 min read

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Recent comments

Node JS 101: What is Node Js

The CSS :not() Selector

Repl Coding Challenge:Basic Recursion 👯

Repl Coding Challenge:Basic Recursion 👯

UI Kits for any day use.

Leetcode:'Contains Duplicates' 🤔 🤔

April 15 — Daily CodeNewbie Check-in Thread

Welcoming Arit Amana to the DEV Team ✨