Bak-Jin-Hyeong’s gists

Bak-Jin-Hyeong / mine_and_yours.go

Created May 20, 2022 02:23

Sloppy and crude http server app that returns IP of host and IP of client

Bak-Jin-Hyeong / Upgrade-Terraform-Provider-Lock.ps1

Last active September 2, 2022 01:08

	#!/usr/bin/env pwsh

	# I always put a file named "backend.tf" in the root modules.
	# Also, I don't create the name "backend.tf" in the non-root module directory.
	# It seems to be my own rule, but most other people seem to do the same.
	Get-ChildItem 'backend.tf' -Recurse \| `
	Select-Object -ExpandProperty FullName \| `
	ForEach-Object { `
	Write-Output $_; `
	terraform "-chdir=$(Split-Path $_)" init -upgrade; `

Bak-Jin-Hyeong / git-current-worktree-branch-to-json.ps1

Last active September 2, 2022 01:25

	#!/usr/bin/env pwsh

	git branch --format "%(if:equals=*)%(HEAD)%(then)%(refname:short)`t%(upstream:short)%(end)" \| `
	Where-Object { $_.Length -ne 0 } \| `
	ForEach-Object { $s = $_.Split("`t"); @{'branch'=$s[0]; 'upstream'=$s[1] } } \| `
	ConvertTo-Json

Bak-Jin-Hyeong / ecs-container-metadata-v3.json

Last active June 28, 2022 02:22

${ECS_CONTAINER_METADATA_URI}

	{
	"DockerId": "ea7886f0fd4707b60efc507efeeaa6289b03cffe68d08bb99e04e6dc49f9d325",
	"Name": "hello-ecs",
	"DockerName": "ecs-task-definition-name-1-hello-ecs-bc9c99e3ea95ea981500",
	"Image": "947146334561.dkr.ecr.ap-northeast-2.amazonaws.com/ecs-repository-name:hello_ecs",
	"ImageID": "sha256:5373156d1db82d2920edd8790c8c6bd1a0421456c3df2e5625c12e0de24ca3a7",
	"Labels": {
	"com.amazonaws.ecs.cluster": "arn:aws:ecs:ap-northeast-2:947146334561:cluster/cluster-name",
	"com.amazonaws.ecs.container-name": "hello-ecs",
	"com.amazonaws.ecs.task-arn": "arn:aws:ecs:ap-northeast-2:947146334561:task/cluster-name/228148e27bd34dbaae2409dedabcee76",

Bak-Jin-Hyeong / Verify--DigitalSign.ᅟps1

Created November 26, 2019 23:59

Verify digital signatures of executables or DLLs

	function Get-RegistryValue
	{
	param
	(
	[parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] $Path,
	[parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] $Value
	)

	if (Test-Path $Path)
	{

Bak-Jin-Hyeong / git_fetch_all_subdir.ps1

Created November 20, 2019 08:06

	$invocation = (Get-Variable MyInvocation).Value
	$invocationDir = Split-Path $invocation.MyCommand.Path

	Get-ChildItem $invocationDir \| ForEach-Object {
	$p = (Join-Path -Path $_.FullName -ChildPath '.git')
	if (Test-Path -Path $p) {
	Write-Host "git --git-dir="${p}" fetch --prune --all"
	git --git-dir="${p}" fetch --prune --all
	}
	}

Bak-Jin-Hyeong / LiteralStringViewHolder.h

Last active September 26, 2019 03:36

Restrict creation of string_view to string literals only

	#ifndef LITERALSTRINGVIEW__H__
	#define LITERALSTRINGVIEW__H__

	#include <cassert>
	#include <string_view>



	class LiteralStringViewHolder;

Bak-Jin-Hyeong / Splitmix64.h

Created June 12, 2019 10:17

	#ifndef SPLITMIX64__H__
	#define SPLITMIX64__H__

	#include <cstdint>

	constexpr uint64_t splitmix64_stateless(uint64_t previous_state) noexcept
	{
	uint64_t z = previous_state + 0x9E3779B97F4A7C15ull;
	z = (z ^ (z >> 30)) * 0xBF58476D1CE4E5B9ull;
	z = (z ^ (z >> 27)) * 0x94D049BB133111EBull;

Bak-Jin-Hyeong / CoarseClock.cpp

Last active June 8, 2019 07:59

Bak-Jin-Hyeong / get_first_mac_address_windows.cpp

Created May 18, 2019 12:51

Find first mac address (windows)

	#include "get_first_mac_address_windows.h"

	#include <vector>

	#include <WinSock2.h>
	#include <ws2ipdef.h>
	#include <WS2tcpip.h>
	#include <iphlpapi.h>

	#!/usr/bin/env pwsh

	git branch --format "%(if:equals=*)%(HEAD)%(then)%(refname:short)`t%(upstream:short)%(end)" \| `
	Where-Object { $_.Length -ne 0 } \| `
	ForEach-Object { $s = $_.Split("`t"); @{'branch'=$s[0]; 'upstream'=$s[1] } } \| `
	ConvertTo-Json

Bak, Jin Hyeong Bak-Jin-Hyeong