| function transpose(a) | |
| { | |
| return a[0].map(function (_, c) { return a.map(function (r) { return r[c]; }); }); | |
| // or in more modern dialect | |
| // return a[0].map((_, c) => a.map(r => r[c])); | |
| } |
| #!/bin/bash | |
| # save the file as <git_directory>/.git/hooks/pre-commit | |
| echo "Running Maven clean test for errors" | |
| # retrieving current working directory | |
| CWD=`pwd` | |
| MAIN_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" | |
| # go to main project dir | |
| cd $MAIN_DIR/../../ |
| <!doctype html> | |
| <html> | |
| <head> | |
| <title> | |
| Spliced in Array Prototype To Return Original Array Reference | |
| </title> | |
| </head> | |
| <body> | |
| <h1> |
| get_latest_release() { | |
| curl --silent "https://api.github.com/repos/$1/releases/latest" | # Get latest release from GitHub api | |
| grep '"tag_name":' | # Get tag line | |
| sed -E 's/.*"([^"]+)".*/\1/' # Pluck JSON value | |
| } | |
| # Usage | |
| # $ get_latest_release "creationix/nvm" | |
| # v0.31.4 |
| az aks get-credentials --resource-group k8s-demo-ss --name k8s-demo-cluster-ss --file kubeconfig-ss |
| module.exports = { | |
| projects: [ | |
| { | |
| displayName: 'dom', | |
| testEnvironment: 'jsdom', | |
| snapshotSerializers: ['enzyme-to-json/serializer'], | |
| testMatch: ['**/__tests__/**/*.test.js?(x)'] | |
| }, | |
| { | |
| displayName: 'node', |
React recently introduced an experimental profiler API. This page gives instructions on how to use this API in a production release of your app.
Table of Contents
React DOM automatically supports profiling in development mode for v16.5+, but since profiling adds some small additional overhead it is opt-in for production mode. This gist explains how to opt-in.
| function MyResponsiveComponent() { | |
| const width = useWindowWidth(); // Our custom Hook | |
| return ( | |
| <p>Window width is {width}</p> | |
| ); | |
| } |
