martin-cotta

# sudo lsof -i :<PortNumber>
# kill -9 <PID>
# or
# kill -9 $(lsof -ti:<Port>, <Port>)
# The -t flag removes everything but the PID from the lsof output

# Error: listen EADDRINUSE: address already in use ::::3000

$ lsof -i tcp:3000
# COMMAND PID   USER  FD  TYPE DEVICE             SIZE/OFF NODE NAME 

martin-cotta

Delete node_modules recursively

cd directory-to-prune

# delete all node_modules in a single rm command
find . -name 'node_modules' -type d -prune -exec rm -rf '{}' +

# or delete folders one by one printing the folder being deleted
find . -name 'node_modules' -type d -prune -print -exec rm -rf '{}' \;

martin-cotta

Read the permissions from the manifest of my-app.apk

aapt2 d permissions my-app.apk

package: com.google.app
uses-permission: name='android.permission.RECEIVE_BOOT_COMPLETED'
uses-permission: name='android.permission.ACCESS_WIFI_STATE'
uses-permission: name='android.permission.INTERNET'
uses-permission: name='android.permission.ACCESS_NETWORK_STATE'

martin-cotta

errSecInternalComponent = -2070
An internal component experienced an error

This may occurs when the login keychain is locked, unlocked with:

security unlock-keychain login.keychain

or, Go to Keychain Access and toggle once the lock/unlock icon for Login (keep it unlock)

martin-cotta

#!/bin/bash

echo "Hello World"

# make it executable: chmod +x script.sh or chmod u+x script.sh
# Place it under /usr/local/bin folder.(optional)

martin-cotta

When you type in a form field, a menu may appear, containing past text that you've typed in the field. To delete a specific piece of saved text, select it in the menu using the arrows on your keyboard, then press Shift+Delete.

martin-cotta

# Generate public/private rsa key pair 
ssh-keygen

# Add the key to the ssh-agent
eval `ssh-agent`
ssh-add -K ~/.ssh/id_rsa

# Copy public key content
pbcopy < ~/.ssh/id_rsa.pub

martin-cotta

Go to /System/Library/CoreServices/Applications/

In that folder, you’ll see an app called Screen Sharing, create a shortcut in your Applications folder (drag & drop with Command+Option)

This App works just like Remote Desktop, and can even save passwords in your system’s Keychain.
Just enter a hostname and remember to enable "Screen Sharing" on the destination machine before starting!

martin-cotta

#!/bin/bash
set -e

# all the available versions at: https://nodejs.org/dist
NODE_VERSION="v8.1.0"
CURRENT_VERSION=""

install_node() {
  echo "downloading and installing node $NODE_VERSION, sudo password might be required"
  curl "https://nodejs.org/dist/${NODE_VERSION}/node-${NODE_VERSION}.pkg" > "$HOME/Downloads/node-installer.pkg"

martin-cotta

import Foundation
import React

@objc(MyModule)
class MyModule: RCTEventEmitter {
        
  @objc func loadProducts(_ orderId: NSNumber, resolve: RCTPromiseResolveBlock, reject: RCTPromiseRejectBlock) {
    let products = // load products somehow ...
    if products {
      resolve(products);