emmabostian

HTML
- Semantic HTML
- Event delegation
- Accessibility / ARIA

CSS
- Specificity
- Pseudo-elements
- Pseudo-selectors
- Combinators

emmabostian

Data Structures
- Stacks
- Queues
- Linked lists
- Graphs
- Trees
- Tries

Concepts
- Big O Notation

jacks205

Settings up mutliple app targets in React-Native

1. yarn add react-native-config
2. react-native link react-native-config
3. Create .env files for each configuration. Ex: .env.dev, .env.prod, etc Ex:

API_ENDPOINT=https://api.myresource.com/dev
ENV=dev

4. Follow instructions for set up with react-native-config and extra steps

krodak

import RealmSwift
import Realm

protocol CascadeDeleting: class {
    func delete<Entity>(_ list: List<Entity>, cascading: Bool)
    func delete<Entity>(_ results: Results<Entity>, cascading: Bool)
    func delete<Entity: Object>(_ entity: Entity, cascading: Bool)
}

lattner

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

Contents

• Introduction
• Overall Vision

zakkak

# [<tag>] (If applied, this commit will...) <subject> (Max 72 char)
# |<----   Preferably using up to 50 chars   --->|<------------------->|
# Example:
# [feat] Implement automated commit messages

# (Optional) Explain why this change is being made
# |<----   Try To Limit Each Line to a Maximum Of 72 Characters   ---->|

# (Optional) Provide links or keys to any relevant tickets, articles or other resources
# Example: Github issue #23

sgr-ksmt

struct ComposeTransformer<T, R> {
    let transformer: (Observable<T>) -> Observable<R>
    init(transformer: @escaping (Observable<T>) -> Observable<R>) {
        self.transformer = transformer
    }
    
    func call(_ observable: Observable<T>) -> Observable<R> {
        return transformer(observable)
    }
}

danfinlay

If you're interested in building web apps with the Ethereum blockchain, you may have found the Truffle web framework to be a nice fit for your needs.

For many types of Dapps (Distributed Apps), Truffle does everything you could want: It compiles your blockchain contracts, injects them into your web app, and can even run a test suite against them!

This is all great for you, but what about your users? Truffle has some great defaults for users who are willing to run a local Ethereum JSON RPC server on their computer, but what about your users who just want to sign on and get started?

With Metamask, all your users need to do is install our Chrome plugin, and they will have their own secure blockchain accounts right there in the conven

pjaspers

whatthetechdev

# start by installing xcode via apple app store as it takes a year!
# also install xcode-select
xcode-select --install

# install git via http://git-scm.com/downloads
# install node via https://nodejs.org/en/download/
# install brew (required for zsh) - note: this relies on on xcode
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

# install zsh via http://ohmyz.sh/