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Ikiru Yoshizaki guitarrapc

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@guitarrapc
guitarrapc / ExponentialBackoff.cs
Last active June 1, 2022 10:40
ExponentialBackoff Implemantation via C#.
public class ExponentialBackoff
{
private readonly int _delayMilliseconds;
private readonly int _maxDelayMilliseconds;
public int Retries => _retries;
private int _retries;
private int _pow;
public ExponentialBackoff(int delayMilliseconds, int maxDelayMilliseconds)
{
@guitarrapc
guitarrapc / embed-code.yaml
Last active May 10, 2022 04:59
ref: https://github.com/guitarrapc/githubactions-lab/blob/main/.github/workflows/README-embed-code.yaml
name: README embed-code
on:
workflow_dispatch:
pull_request:
branches: ["main"]
jobs:
embed-code:
runs-on: ubuntu-latest
@guitarrapc
guitarrapc / README.md
Last active May 10, 2022 04:58 
This is a *markdown* document with a code block:

```ts
// src/example.ts

export function helloWorld(name: string): string {
  return `Hello ${name}!, how are you today?`;
}
@guitarrapc
guitarrapc / README.md
Last active May 10, 2022 04:58 
This is a *markdown* document with a code block:

```ts
// src/example.ts
@guitarrapc
guitarrapc / kustomization.yaml
Last active May 6, 2022 07:12
Agones configMapGenerator suffix hash reference in Agones GameServer and Fleet.
bases:
- ../../agones/overlays/dev
- ../../configmap/overlays/dev
configurations:
- nameref.yaml
@guitarrapc
guitarrapc / FailFastWhenAll.cs
Created April 15, 2022 04:36
source: https://stackoverflow.com/questions/57313252/how-can-i-await-an-array-of-tasks-and-stop-waiting-on-first-exception/57313477#57313477
public static class TaskExtentions
{
public static Task<TResult[]> WhenAllFailFast<TResult>(IEnumerable<Task<TResult>> tasks)
{
return WhenAllFailFast(tasks.ToArray());
}
public static Task<TResult[]> WhenAllFailFast<TResult>(params Task<TResult>[] tasks)
{
if (tasks is null) throw new ArgumentNullException(nameof(tasks));
if (tasks.Length == 0) return Task.FromResult(new TResult[0]);
@guitarrapc
guitarrapc / CancelCancellationTokenSource.cs
Last active April 15, 2022 02:26
C# CancellatonSource Status when Cancel on cts or LinkedCancellationSource.
// cancel on Source CancellationTokenSource
async Task Main()
{
using var cts = new CancellationTokenSource();
var ct = cts.Token;
var task = FooAsync(ct);
await Task.Delay(TimeSpan.FromSeconds(3));
cts.Cancel();
cts.Dump("cts"); // IsCancellationRequested True
}
@guitarrapc
guitarrapc / command.sh
Created March 15, 2022 07:46
Connect redis-cli in Docker to TLS Encypted ElastiCache Redis Cluster.
# run on host...
docker run -it --entrypoint /bin/bash redis
# run inside docker...
apt-get update
apt-get install -y stunnel net-tools
cat <<EOF > /etc/stunnel/redis-cli.conf
fips = no
setuid = root
setgid = root
pid = /var/run/stunnel.pid
@guitarrapc
guitarrapc / gitsubmodule_cheatsheet.md
Last active January 21, 2022 08:06
git submodule のチートシート。ベースはこれで。十分そろってる。 https://www.m3tech.blog/entry/git-submodule

サブモジュールごと clone したい

git clone https://example.com/repo-with-sub-modules --recursive

サブモジュールのファイルを取得したい

git submodule update --init --recursive
@guitarrapc
guitarrapc / _get_github_oidc_thumbprint.sh
Last active May 26, 2024 18:45
Get Thumbprint of GitHub OIDC, updated on 2022/01/13.
$ openssl s_client -servername token.actions.githubusercontent.com -showcerts -connect token.actions.githubusercontent.com:443 < /dev/null 2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sed "0,/-END CERTIFICATE-/d" > certificate.crt
$ openssl x509 -in certificate.crt -fingerprint -noout | cut -f2 -d'=' | tr -d ':' | tr '[:upper:]' '[:lower:]'
6938fd4d98bab03faadb97b34396831e3780aea1