sergiitk

OS X terminal tips an tricks

Shell tools

System

• sw_vers — Print Mac OS X operating system version information
• system_profiler — Reports system hardware and software configuration.
• system_profiler SPHardwareDataType — Hardware overview.
• hostinfo — Host information.
• nvram -p — Print all of the firmware variables.
• getconf DARWIN_USER_CACHE_DIR — Retrieve standard configuration variables
• /usr/libexec/path_helper — Helper for constructing PATH environment variable

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#!/usr/bin/env bash
# Copyright 2020 The gRPC Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software

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// run in chrome -> sources -> snippets at
// chrome-extension://[extension-id]/window.html

async function storageGet(storageType, space = 2) {
    let storage_fn;
    if (storageType === 'local') {
        storage_fn = chrome.storage.local;
    } else if (storageType === 'sync') {
        storage_fn = chrome.storage.sync;
    } else {

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Useful shell tools (BSD)

Strings

• l | tail +2 — Skip first line of stdout
• l | head -n-1 — Skip last line of stdout (GNU version only)
• echo "test" | head -c-1 — Remove last newline
• comm -12 <(echo 1; echo 2) <(echo 1; echo 2; echo 3) — Shows intersection (here 1 2).
• cat template.txt | envsubst — substitutes environment variables in file
• echo 123abc | od -c -t d1 — Show decimal dump
• echo 123abc | xxd — Show a hexdump (or do the reverse)

sergiitk

package hello;


import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.stub.ClientCallStreamObserver;
import io.grpc.stub.StreamObserver;

import java.util.concurrent.TimeUnit;

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; acceleration_enabled = {acceleration_enabled}
; acceleration_infill = {acceleration_infill}
; acceleration_ironing = {acceleration_ironing}
; acceleration_layer_0 = {acceleration_layer_0}
; acceleration_prime_tower = {acceleration_prime_tower}
; acceleration_print = {acceleration_print}
; acceleration_print_layer_0 = {acceleration_print_layer_0}
; acceleration_roofing = {acceleration_roofing}
; acceleration_skirt_brim = {acceleration_skirt_brim}
; acceleration_support = {acceleration_support}

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// Copyright 2015 The gRPC Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,

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Main.java source code

Code example code using gRPC, as from users' perspective

package org.example;

import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.netty.NettyChannelBuilder;

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sqlite3 ~/Library/Safari/CloudTabs.db "SELECT device.device_name, tab.url FROM cloud_tabs AS tab JOIN cloud_tab_devices AS device ON tab.device_uuid=device.device_uuid"

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#!/usr/bin/env zsh
# ------------------------------------------------------------------------------
# Prompt for the Zsh shell:
#   * One line.
#   * VCS info on the right prompt.
#   * Only shows the path on the left prompt by default.
#   * Crops the path to a defined length and only shows the path relative to
#     the current VCS repository root.
#   * Wears a different color wether the last command succeeded/failed.
#   * Shows user@hostname if connected through SSH.