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# python3 version, derived from python2 version https://gist.github.com/dergachev/7028596 | |
# | |
# taken from http://www.piware.de/2011/01/creating-an-https-server-in-python/ | |
# generate server.xml with the following command: | |
# openssl req -new -x509 -keyout server.pem -out server.pem -days 365 -nodes | |
# run as follows: | |
# python3 simple-https-server.py | |
# then in your browser, visit: | |
# https://localhost:4443 |
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""" | |
Django ORM Optimization Tips | |
Caveats: | |
* Only use optimizations that obfuscate the code if you need to. | |
* Not all of these tips are hard and fast rules. | |
* Use your judgement to determine what improvements are appropriate for your code. | |
""" | |
# --------------------------------------------------------------------------- |
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import { createContext, forwardRef, useCallback, useMemo } from "react"; | |
import { FlatList, FlatListProps, ViewToken } from "react-native"; | |
import Animated, { useSharedValue } from "react-native-reanimated"; | |
const MAX_VIEWABLE_ITEMS = 4; | |
type ViewabilityItemsContextType = string[]; | |
export const ViewabilityItemsContext = createContext< | |
Animated.SharedValue<ViewabilityItemsContextType> |