dnedrow

The problem

When running a tool like Parallels on a Mac that is connected to a VPN with a custom certificate, the hosted macOS cannot, in many cases, connect to the outside world. This may manifest as a TLS error.

The Solution

Installing the VPNs certificate in the virtualized macOS system keychain.

The Steps (inside the macOS VM, assuming Zscaler certificate)

1. Open Keychain Access
2. Drag or import the Zscaler root certificate into the system keychain, not the login keychain

dnedrow

Leveraging a User Applications Folder on macOS

The Why

A macOS user does not necessarily have the ability to install applications in the system /Applications folder. This often is because they are not an administrator on their machine. However, they can install applications in their own user folder. This is typically /Users/<username>/Applications.

The How

If a /Users//Applications folder does not exist, the user should

dnedrow

-- https://stackoverflow.com/q/73109333
name: push
on: [push]
jobs:
  list-contents:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - run: ls ./src/content/ > ./src/_content.txt
      - run: if [[ "$(git diff --exit-code src/_content.txt)" =~ 'diff' ]]; then echo "IS_VALID=true" >> $GITHUB_ENV; else echo "IS_VALID=false" >> $GITHUB_ENV ;fi

dnedrow

// https://stackoverflow.com/a/56911273
// Custom init for a SwiftUI view that uses Combine

struct CustomInput : View {
    @Binding var text: String
    var name: String

    init(_ name: String, _ text: Binding<String>) {
        self.name = name
        self._text = text

dnedrow

#!/usr/bin/env bash

# The following command will enable slow motion for Dock animation.
# Once this command is run, just hold the SHIFT key down while minimizing
# or expanding items in the Dock.

defaults write com.apple.dock slow-motion-allowed -bool YES; killall Dock

dnedrow

import Foundation
import SwiftUI
import UIKit

///
/// Wraps a UIView such that it can be shown in the SwifUI
/// preview pane.
/// Usage:
/// ```
/// struct SampleView_Previews: PreviewProvider {

dnedrow

import SwiftUI

struct DynamicSize {
    static private let baseViewWidth: CGFloat = 414.0
    static private let baseViewHeight: CGFloat = 896.0

    static func getHeight(_ height: CGFloat) -> CGFloat {
        return (height / baseViewHeight) * UIScreen.main.bounds.height
    }

dnedrow

import Foundation
import AudioToolbox

import Foundation
import AudioToolbox

// This provides additions to SystemSoundID
extension SystemSoundID {
    /// Play a sound
    /// This can be handy when attached to notify on breaking constraints.

dnedrow

/usr/bin/env bash

# When installing Ruby with [RVM](https://rvm.io), you may run into the
# following error:
# `Error running '__rvm_make -j8'`
# This is caused by the inability of the build to find particular libraries
# installed via [Homebrew](https://brew.sh).
#
# Just run this script before calling `rvm install`
# This solution found on [StackOverflow](https://stackoverflow.com/a/76922741/1227012)

dnedrow

#!/usr/bin/env zsh

# Usage:
# Source this and then use the function with afplay
# afplay -v $( getsuggestedvolume ) foo.wav
function getsuggestedvolume() {

	(( systemVolume=$(osascript -e 'output volume of (get volume settings)') ))
	(( currentVolume=`echo "scale=2; $systemVolume/100" | bc -l` ))
	(( normalizedVolume=`echo "scale=2; $currentVolume/3" | bc -l` ))