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@zchee
zchee / cgo.md
Last active June 20, 2025 08:51
cgo convert list

See also, http://libraryofalexandria.io/cgo/

Using Go cgo

cgo has a lot of trap.
but Not "C" pkg also directory in $GOROOT/src. IDE's(vim) Goto command not works.

So, Here collect materials.

@andrewmilson
andrewmilson / file-upload-multipart.go
Last active June 28, 2025 18:41
Golang multipart/form-data File Upload
package main
import (
"net/http"
"os"
"bytes"
"path"
"path/filepath"
"mime/multipart"
"io"
@yosriady
yosriady / DESIGN.md
Last active January 17, 2025 07:13
OAuth2 Authentication Microservices Design

Auth

Disclaimer

Creating an OAuth2 server is not a task that should be taken lightly. There are many security loopholes that could be exploited, and regular examinations are critical to handle possible vulnerabilities.

Introduction

Auth is an authentication microservice based on the OAuth2 identity delegation protocol.

@itsmemattchung
itsmemattchung / Makefile
Last active December 16, 2019 09:30
Makefile example for aws lambda
PROJECT = sample-python-app
FUNCTION = $(PROJECT)
REGION = us-east-1
.phony: clean
clean:
rm -f -r $(FUNCTION)*
rm -f -r site-packages
@Swop
Swop / Dominos.py
Created March 14, 2016 19:56
Check Domino's pizza delivery status and push an OSX notification after each status change. Yummy
import json
import urllib2
import sys
import time
from Foundation import NSUserNotification
from Foundation import NSUserNotificationCenter
from Foundation import NSUserNotificationDefaultSoundName
orderId = sys.argv[1]
step = previousStep = None
@QuantumGhost
QuantumGhost / example.puml
Last active June 18, 2025 14:09
A simple template for PlantUML to draw ER diagram.The basic idea comes from http://plantuml.sourceforge.net/qa/?qa=331/database-modeling
@startuml
' uncomment the line below if you're using computer with a retina display
' skinparam dpi 300
!define Table(name,desc) class name as "desc" << (T,#FFAAAA) >>
' we use bold for primary key
' green color for unique
' and underscore for not_null
!define primary_key(x) <b>x</b>
!define unique(x) <color:green>x</color>
!define not_null(x) <u>x</u>
@sdorra
sdorra / keys.go
Created April 17, 2016 19:31
Golang RSA Key Generation
/*
* Genarate rsa keys.
*/
package main
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
@jim3ma
jim3ma / makecert.sh
Last active August 22, 2025 09:42 — forked from spikebike/client.go
Golang TLS server and client
#!/bin/bash
# call this script with an email address (valid or not).
# like:
# ./makecert.sh [email protected]
mkdir certs
rm certs/*
echo "make server cert"
openssl req -new -nodes -x509 -out certs/server.pem -keyout certs/server.key -days 3650 -subj "/C=DE/ST=NRW/L=Earth/O=Random Company/OU=IT/CN=www.random.com/emailAddress=$1"
echo "make client cert"
openssl req -new -nodes -x509 -out certs/client.pem -keyout certs/client.key -days 3650 -subj "/C=DE/ST=NRW/L=Earth/O=Random Company/OU=IT/CN=www.random.com/emailAddress=$1"
@teknoraver
teknoraver / unixhttpc.go
Last active September 30, 2025 08:41
HTTP over Unix domain sockets in golang
package main
import (
"context"
"flag"
"fmt"
"io"
"net"
"net/http"
"os"