stuartleeks

Quantum notes

These are my personal notes from reading up on Quantum Computing. There's a great series of posts here, including a more comprehensive cheat sheet that you should probably use instead!

Dirac notation and vectors

Using (a,b) to represent the column vector: (a)

stuartleeks

[reflection.assembly]::loadfile( "C:\Windows\Microsoft.NET\Framework\v4.0.30319\System.Drawing.dll")

function BytesToString($bytes) {
    return [System.Text.Encoding]::ASCII.GetString($bytes)
}
function StringToBytes($string) {
    return [System.Text.Encoding]::ASCII.GetBytes($string)
}

function GetImageTakenDate($filename) {

stuartleeks

[core]
	editor = code --wait
[diff]
    tool = default-difftool
[difftool "default-difftool"]
    cmd = code --wait --diff $LOCAL $REMOTE
[alias]
	amendcommit = "!git commit --amend --reuse-message \"$(git rev-parse --abbrev-ref HEAD)\""
	branches = branch -a --color -v
	wip = !git add -A && git commit -qm "WIP"

stuartleeks

using Microsoft.ApplicationInsights.Channel;
using Microsoft.ApplicationInsights.Extensibility;
using System.Collections.Generic;
using System.Web;

namespace AppInsightsHeaders
{
    public class HeaderTelemetryInitializer : ITelemetryInitializer
    {
        public List<string> RequestHeaders { get; set; }

stuartleeks

{"lastUpload":"2020-06-24T08:12:00.857Z","extensionVersion":"v3.4.3"}

stuartleeks

function Get-KeyState([uint16]$keyCode)
{
  $signature = '[DllImport("user32.dll")]public static extern short GetKeyState(int nVirtKey);'
  $type = Add-Type -MemberDefinition $signature -Name User32 -Namespace GetKeyState -PassThru
  return [bool]($type::GetKeyState($keyCode) -band 0x80)
}
$VK_SHIFT = 0x10
function OutputStatus($message){
    try {
        [Console]::SetCursorPosition(0,0)

stuartleeks

function OutputStatus($message){
    try {
        [Console]::SetCursorPosition(0,0)
        Write-Host $message.PadRight([Console]::BufferWidth)
    }
    catch [System.IO.IOException] {
        ## IO Exception when unable to set position
    }
}
$messages = @()

stuartleeks

param(
    [parameter(Mandatory=$true, ValueFromPipeline)]
    [object[]] $blobs, 
    [parameter()]
    $uiDefinitionFilename = "createUiDefinition.json"
)

process{
    $uiBlob = $blobs | ?{ $_.Name -eq $uiDefinitionFilename} | select -First 1
    if ($uiBlob -ne $null){

stuartleeks

get-command Get* | %{ set-alias -name ($_ -replace "^Get","Gert") -Value $_ }

stuartleeks

param(
    $templateFile,
    [switch] $includeParametersWithDefaults
)
$template = Get-Content $templateFile | ConvertFrom-Json

function getDefaultValue($type){
    switch ($type){
        "bool" {'false'}
        "int" {0}