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@mrousavy
mrousavy / MEMOIZE.md
Last active June 28, 2024 17:29
Memoize!!! 💾 - a react (native) performance guide
In computing, memoization or memoisation
is an optimization technique used primarily
to speed up computer programs by storing
the results of expensive function calls and  
returning the cached result when the same
inputs occur again.                                         
                                                     — wikipedia
@kobeumut
kobeumut / ObserveOnceExtension.kt
Created April 21, 2019 08:24
Android Livedata Observe Once Only (Kotlin)
fun <T> LiveData<T>.observeOnce(lifecycleOwner: LifecycleOwner, observer: Observer<T>) {
observe(lifecycleOwner, object : Observer<T> {
override fun onChanged(t: T?) {
observer.onChanged(t)
removeObserver(this)
}
})
}
//Using
liveData.observeOnce(this, Observer<Password> {
@SergeyKorochansky
SergeyKorochansky / react-native-navigation.ts
Created August 16, 2016 15:49
react-native-navigation.d.ts
declare module 'react-native-navigation' {
export interface NavigatorStyle {
navBarTextColor?: string;
navBarBackgroundColor?: string;
navBarButtonColor?: string;
navBarHidden?: boolean;
navBarHideOnScroll?: boolean;
navBarTranslucent?: boolean;
navBarNoBorder?: boolean;
drawUnderNavBar?: boolean;
@dtmilano
dtmilano / android-select-device
Last active November 29, 2023 09:29
Script to select one connected device or emulator when running adb
#! /bin/bash
#=====================================================================
# Selects an android device
# Copyright (C) 2012-2022 Diego Torres Milano. All rights reserved.
#
# The simplest way to invoke this script is creating a function like
# this one in your shell startup file:
#
# ```
# adb ()