Tyler Buchea

Tyler Buchea

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Simple Liqudity Pool Example In Uniswap V3

Simple Liqudity Pool Example In Uniswap V3

What Are Liquidity Pools? Liquidity pools are the backbone of many decentralized exchanges (DEX), such as Uniswap. Users called liquidity providers (LP) add an equal value of two tokens in a pool to create a market. In exchange for providing their funds, they earn trading fees from the trades that

Simple Way To Use React Hooks With Context For State Management

Simple Way To Use React Hooks With Context For State Management

This one file will show you from start to finish how to make a simple state management system using only React Hooks & Context. My hope is that this barebones example will help you understand how the fundamental pieces are interconnected which will allow you to build on to it from

Simple Apollo Local State Example

Simple Apollo Local State Example

This is a very simple example of using Apollo Client's new local state functionality. In this example I query a publicly accessible Pokemon GraphQL API along side a local state query that resolves static user data from a JavaScript object. This is the simplest example of the using local state

Simple GraphQL & React Example

Simple GraphQL & React Example

This GraphQL React example is the bare minimum it takes to get an application up and running. It consists of just two files (with dependencies) both under 100 lines each. These two files will show you start to finish how to make a GraphQL server and connect a React.js

A Simple GraphQL Example with Relationships

A Simple GraphQL Example with Relationships

If you're trying to build a simple GraphQL example using Node.js to teach yourself the technology and you've been frustrated with other tutorials then you've come to the right place. This tutorial focuses less on the setup of the server and more on how you actually structure your schema

React Native Apollo Example

React Native Apollo Example

Setup Option 1: Do it yourself create-react-native-app react-native-apollo-example cd react-native-apollo-example yarn add apollo-client-preset react-apollo graphql # and replace below code for App.js Option 2: Clone my repo git clone git@github.com:tylerbuchea/react-native-apollo-example.git cd react-native-apollo-link-state-example yarn install && yarn start Option 3: Check it out now with Expo Go

Super Simple React Redux Example

This React Redux example is the bare minimum it takes to get an application up and running. It is under 100 lines and consists of just two files (with dependencies). These two files will show you start to finish how to make a redux store, create some actions, and connect

How to Create a React Native iOS Native Module

How to Create a React Native iOS Native Module

The official React Native docs on writing a native module are very useful, so make sure you give them a read: http://facebook.github.io/react-native/docs/native-modules-ios.html Why? I wanted to create an iOS React Native module that could set and get the system-wide volume, but I couldn't

React Native Publishing an Android App

React Native Publishing an Android App

Add/Create Keystore This command will create a keystore with the given name if the file doesn't exist or append a key to a current keystore. keytool -genkey -v -keystore mykeystore.keystore -alias mykeyalias -keyalg RSA -keysize 2048 -validity 10000 After you have generated the mykeystore.keystore file copy it

Advanced Git

Stash manipulation git stash list # view specific stash content git stash show -p stash@{1} # apply specific stash git stash apply stash@{1} Search for commit by message git log --all --grep='Build 0051' Abort a git rebase from inside vim during interactive editing [Esc] :cq Rebase equivalents to merge

Building & Submitting App to Google Play

Pre-reqs * Increment config.xml version with every build * Make sure the android platform has been added cordova platform add android * Remove the debug console cordova plugin rm cordova-plugin-console * Generate a release build ionic build --release android Add/Create Keystore This command will create a keystore with the given name if

HTTP POST and GET using cURL

Completely and totally ripped off from Amith Koujalgi, but nonetheless useful http://stackoverflow.com/questions/14978411/http-post-and-get-using-curl-in-linux GET: with JSON: curl -i -H "Accept: application/json" -H "Content-Type: application/json" -X GET http://hostname/resource with XML: curl -H "Accept: application/xml" -H "Content-Type: application/xml" -X GET http://hostname/

Common ImageMagick Terminal Commands for Developers

Enjoy Quick Image Editing Generate GIF from multiple images # You only need "-dispose previous" if you have images with transparency convert \ -dispose previous \ img_*.png \ movie.gif Add text to image convert input.png \ -gravity north \ -pointsize 90 \ -font Arial \ -fill white \ -annotate +0+100 'Multiple Accounts' \ output.png Add

Cordova Android Crosswalk

I set out to make an Android game using Ionic (a flavor of Cordova) only to find out near the finish line that the performance was horrible on a real device. Versions of Android (>4.4) use an old native webview that has bad performance and a fraction of the