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
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import React, { useCallback, useState } from 'react'; | |
import { | |
Pressable, | |
StyleSheet, | |
TextInput, | |
useWindowDimensions, | |
} from 'react-native'; | |
import { useReanimatedKeyboardAnimation } from 'react-native-keyboard-controller'; | |
import Animated, { | |
interpolate, |
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import React, { useCallback, useEffect, useState } from 'react' | |
import { | |
StyleSheet, | |
View, | |
Text, | |
TouchableOpacity, | |
Button, | |
Image, | |
} from 'react-native' |
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name: Android | |
on: [push] | |
jobs: | |
build: | |
runs-on: macos-latest | |
steps: | |
- name: Checkout |
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name: Detox | |
on: [push] | |
jobs: | |
build: | |
runs-on: macOS-latest | |
timeout-minutes: 15 | |
env: |
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import pandas as pd | |
def rsi(ohlc: pd.DataFrame, period: int = 14) -> pd.Series: | |
"""See source https://github.com/peerchemist/finta | |
and fix https://www.tradingview.com/wiki/Talk:Relative_Strength_Index_(RSI) | |
Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. | |
RSI oscillates between zero and 100. Traditionally, and according to Wilder, RSI is considered overbought when above 70 and oversold when below 30. | |
Signals can also be generated by looking for divergences, failure swings and centerline crossovers. |
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import React, { useMemo, useRef } from 'react'; | |
import { View } from 'react-native'; | |
import { node } from 'prop-types'; | |
import { PanGestureHandler, State, PinchGestureHandler } from 'react-native-gesture-handler'; | |
import Animated from 'react-native-reanimated'; | |
import styles from './styles'; | |
/** styles.js | |
import { StyleSheet } from 'react-native'; |
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// This sample is a Work in Progress for JSI , and specific functions may change. | |
#pragma once | |
#include <string> | |
#include <unordered_map> | |
#include <jsi/jsi.h> | |
// This SameplJSIObject needs to inheric from HostObject, and this is the object that will be exposed to JS. |
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import { TabNavigator } from 'react-navigation' | |
import Ionicons from 'react-native-vector-icons/Ionicons' | |
import { hook } from 'cavy' | |
class Icon extends Component { | |
render() { | |
const { navigation, generateTestHook, routeName... } = this.props | |
return <Ionicons ref={generateTestHook(`Navigation.${routeName}`)} onPress={() => navigation.navigate(routeName)} .../> | |
} | |
} |
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let isRefreshing = false; | |
let refreshSubscribers = []; | |
const instance = axios.create({ | |
baseURL: Config.API_URL, | |
}); | |
instance.interceptors.response.use(response => { | |
return response; | |
}, error => { |
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