qs-wang

#!/bin/bash

alias f='flutter'
alias fpg='flutter pub get'
alias fr='flutter run'
alias ft='flutter test'
alias ftc='flutter test --coverage'
alias fa='flutter analyze'

qs-wang

Tabs and Windows

Function	Shortcut
New Tab	⌘ + T
Close Tab or Window	⌘ + W (same as many mac apps)
Go to Tab	⌘ + Number Key (ie: ⌘2 is 2nd tab)
Go to Split Pane by Direction	⌘ + Option + Arrow Key
Cycle iTerm Windows	⌘ + backtick (true of all mac apps and works with desktops/mission control)

qs-wang

const clone = (items) => items.map(item => Array.isArray(item) ? clone(item) : item);

qs-wang

#!/usr/bin/env bash

set -euxo pipefail

readonly QEMU_SYS='qemu-system-arm'
readonly TMP_DIR="${HOME}/qemu_vms-jessie"
readonly RPI_KERNEL="${TMP_DIR}/kernel-qemu-4.4.34-jessie"
readonly RPI_FS="${TMP_DIR}/2017-07-05-raspbian-jessie-lite.img"

# # # Emulate Raspberry Pi

qs-wang

#!/usr/bin/env bash

set -euxo pipefail

readonly QEMU_SYS='qemu-system-arm'
readonly TMP_DIR="${HOME}/qemu_vms-jessie"
readonly RPI_KERNEL="${TMP_DIR}/kernel-qemu-4.4.34-jessie"
readonly RPI_FS="${TMP_DIR}/2017-07-05-raspbian-jessie-lite.img"

# Tweak filesystem: start qemu with init flag, switch to guest window to execute tweak and close window afterwards

qs-wang

#!/usr/bin/env bash

set -euxo pipefail

readonly IMAGE_FILE='2017-07-05-raspbian-jessie-lite.zip'
readonly IMAGE_URL="http://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2017-07-05/${IMAGE_FILE}"
readonly KERNEL_URL='https://github.com/dhruvvyas90/qemu-rpi-kernel/blob/c5a491c093604a71db2f01b8fab72bad0e96e2b5/kernel-qemu-4.4.34-jessie?raw=true'

readonly TMP_DIR="${HOME}/qemu_vms-jessie"
readonly RPI_KERNEL="${TMP_DIR}/kernel-qemu-4.4.34-jessie"

qs-wang

Build docker image

$ cd /path/to/Dockerfile
$ sudo docker build .

View running processes

qs-wang

# filter by property value
cat dump.json | jq '.[] | select(.status=="InternalError")' | jq -s 
cat produc_dump.json | jq '.[] | select(.apiKey == "DEuEDyCmVSedhKyszKoZL7Su4PWByCCp")'

# filter by date range
cat  20190902-prod-errors.json | jq --arg s '2019-08-23T00:00' --arg e '2019-09-02T08:09' 'map(select(.timeSubmitted | . >= $s and . <= $e + "z"))'

# sort by date descreasing
cat dump.json | jq 'sort_by(.timeSubmitted) | | reverse[]'

qs-wang

TaskExecutionDynamoDBReadRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
          Statement:
          - Effect: Allow
            Principal:
              # Service: [ecs.amazonaws.com]  this wrong principal make the cloudformation stuck forever.
              Service: [ecs-tasks.amazonaws.com]
            Action: ['sts:AssumeRole']

qs-wang

bcrypt $(echo -n "amwyagvdepsbtvcg" | sha256sum | cut -d " " -f 1) && echo