TheAbbie Podcasts Abhishek Chaudhary

A Guide to grinding Leetcode
theabbie leetcode


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There seems to be a lot of misunderstanding among people about how bitcoin and how the underlying blockchain works, let us try to understand how it works in a layman terms.
https://theabbie.github.io/blog/how-bitcoin-works


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Double pendulum is a pendulum with another pendulum attached to its end, is a simple physical system that exhibits rich dynamic behavior with a strong sensitivity to initial conditions.
The motion of a double pendulum is governed by a set of coupled ordinary differential equations and is chaotic.
https://theabbie.github.io/DoublePendulum/
https://github.com/theabbie/DoublePendulum
How To Use?


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Open Store is a NFT marketplace where traders can buy and sell NFT tokens through the usage of ethers and track the ownership of digital assets.
https://github.com/rgab1508/OpenStore


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Movies Reviewed by people, for people
PopCritic is a movie review website which is focussed on various aspects of films and help people find the best film to watch next.

popcritic.web.app
github.com/theabbie/PopCritic


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A pixel Art & Animation Creation Tool Built using HTML5 Canvas.It is a Progressive Web App (PWA) with offline compatibility.It is mobile-friendly and is very easy to use.
https://github.com/rgab1508/PixelCraft
Overview
This App is Available at both these locations
https://pixelcraft.web.app/
https://rgab1508.github.io/PixelCraft
On opening, you will get a screen as Follows
You can choose Any Dimensions for your Canvas, 16 X 16 is the default dimension.Dimensions below 128 X 128 are preferable for smooth operation and GIF creation.
Toolbar
The List Of all Tools and methods to use them are as follows
Pencil
The Pencil tool is the most basic tool and is used to draw pixels Freehand
Eraser
The Eraser tool is used to erase a given pixel 1 pixel at a time. It has dimensions 1 X 1 and is fixed.
Paint Tool
The Paint tool is used to Flood Fill a given color with a new color. It works smoothly for dimensions under 128 X 128.
Line Tool
The line tool is used to draw a line segment between 2 points using Bresenham line drawing algorithm.
Click on tool and click on 2 points to draw a line segment between them.
Circle Tool
The Circle Tool is used to draw a circle with a given centre and Radius using Midpoint Circle Algorithm.
Ellipse Tool
The Ellipse Tool is used to draw an ellipse with given centre and it's radius along x-axis and y-axis.
GIF Tools
Add Frame
This tool adds the current state of canvas to the Frame Stack which can be later loaded or deleted. Each Frame is added with a delay of 100 ms, Same Frame can be multiple time to increase it's duration in GIF.
View Frame
This tool displays a Popup with all the current frames in the Frame stack.
Load A Frame: Click on the Frame.Delete A Frame: Right Click / Long press on mobile, To delete a Frame.
Utility Tools
Undo/Redo
The Undo/Redo Functionality is not very advanced and is only capable of undoing/redoing 1 pixel at a time.It is only useful for correcting small mistakes, hence, it is advised to draw with care, or, add a frame if doing a big change with chances of mistake.
Clear Window
This Tool is used to clear the current Canvas window.
Before:After:
Advanced Tools
Import image
This Tool is Used to import an image and convert it to Pixel Art of Given Dimensions.
Saving Pixel Art and GIF Animation
Once you are done with making your pixel art or animation frames you can export it as a PNG or GIF to share it on other platforms. Let's see how it's done.
Saving Image
Save Image option is available in the Drop-down on top left corner, It will download a file named canvas.png with dimensions 10 x width X 10 x Height
Saving GIF
After making all the frames and making necessary changes in Frames Panel, you can export the GIF using option present in Dropdown. The dimensions will be same as that of image.
Color Palette & Transparency
The Following colors are available on the color Palette.
You can select any color by clicking on it.
You can also set color Transparency to create translucent colors and create color combinations. This property can be used to create complex patterns with greater flexibility.
PWA Support
This Web App is a Fully Compatible PWA and is installable.
You can install it either from the Dropdown or using the "Add to Home Screen" Button From Options.
Some Pixel Arts Made with PixelCraft


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