peter

Open Terminal Tabs on Mac and Run Commands

Dependencies

Requires Node.js and ttab

npm install ttab -g

peter

[
    {
        "key": "cmd+t",
        "command": "workbench.action.quickOpen"
    },
    {
        "key": "cmd+p",
        "command": "-workbench.action.quickOpen"
    }
]

peter

Gmail Shortcut Keys

• 'o' - open
• 'u' - return to thread list
• 'j' - next
• 'k' - previous
• '[' - archive and next
• ']' - archive and previous
• 'shift ?' - show shortcut keys help

peter

{
    "editor.formatOnSave": false,
    "[javascript]": {
      "editor.formatOnSave": true
    },
    "[javascriptreact]": {
        "editor.formatOnSave": true
    }  
}

peter

public class SettingDTO {
    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof SettingDTO)) return false;

        SettingDTO filterDTO = (SettingDTO) o;

        if (key != null ? !key.equals(filterDTO.key) : filterDTO.key != null) return false;
        if (value != null ? !value.equals(filterDTO.value) : filterDTO.value != null) return false;

peter

//////////////////////////////////////////////
// Compose and Pipe
//////////////////////////////////////////////

const a = v => v + 'a'
const b = v => v + 'b'
const c = v => v + 'c'

function compose (...fns) {
  if (fns.length === 0) return arg => arg

peter

function syncBar () {
  console.log('in syncBar')
  return 'syncBar'
}

function asyncBar () {
  console.log('in asyncBar')
  return Promise.resolve('asyncBar')
}

peter

function nil(value) {
  return value === undefined || value === null
}

function notNil(value) {
  return !nil(value)
}

function empty(value) {
  if (nil(value)) {

peter

Java vs Python

Split String

Java:

String numberString = "1,2,3,4,5";
int[] numbers = Arrays.stream(numberString.split(",")).mapToInt(Integer::parseInt).toArray();

peter

Python runtime type checks with decorator

# This modules provides pre/post conditions for python functions via the @typeSpec decorator

from functools import reduce

def compact(d):
    return {k: v for k, v in d.items() if v != None}