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Ryan Lyu xiaoronglv

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@kovacshuni
kovacshuni / hmac-sha1.rb
Last active March 12, 2022 15:05
Ruby HMAC-SHA1 digest creation
require 'base64'
require 'cgi'
require 'openssl'
base = 'POST&https%3A%2F%2Fapi.twitter.com%2F1%2Fstatuses%2Fupdate.json&include_entities%3Dtrue%26oauth_consumer_key%3Dxvz1evFS4wEEPTGEFPHBog%26oauth_nonce%3DkYjzVBB8Y0ZFabxSWbWovY3uYSQ2pTgmZeNu2VS4cg%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1318622958%26oauth_token%3D370773112-GmHxMAgYyLbNEtIKZeRNFsMKPR9EyMZeS9weJAEb%26oauth_version%3D1.0%26status%3DHello%2520Ladies%2520%252B%2520Gentlemen%252C%2520a%2520signed%2520OAuth%2520request%2521'
key = 'kAcSOqF21Fu85e7zjz7ZN2U4ZRhfV3WpwPAoE3Z7kBw&LswwdoUaIvS8ltyTt5jkRh4J50vUPVVHtR2YPi5kE'
puts CGI.escape(Base64.encode64("#{OpenSSL::HMAC.digest('sha1', key, base)}\n"))
@jmoiron
jmoiron / 01-curl.go
Last active December 16, 2022 10:34
io.Reader & io.Writer fun
package main
import (
"fmt"
"io"
"net/http"
"os"
)
func init() {
@LordZamy
LordZamy / mergesort.go
Created October 14, 2014 02:48
Merge sort in Golang
package main
import (
"fmt"
)
func main() {
A := []int{3, 5, 1, 6, 1, 7, 2, 4, 5}
fmt.Println(sort(A))
}
@luugiathuy
luugiathuy / nginx_configuration
Last active April 6, 2018 18:58
nginx configuration
upstream app_name {
server unix:///tmp/app_name.sock;
}
server {
listen 80;
server_name www.example.com;
return 301 $scheme://example.com$request_uri;
}
@luugiathuy
luugiathuy / nginx_no_ssl
Last active August 29, 2015 14:08
upstream app_name {
server unix:///tmp/app_name.sock;
}
server {
listen 80;
server_name example.com; # change to match your URL
root /rails/app/folder/public; # change to match your rails app public folder
@nerdalert
nerdalert / Netfilter-IPTables-Diagrams.md
Last active May 20, 2024 20:38
Linux NetFilter, IP Tables and Conntrack Diagrams

Linux NetFilter, IP Tables and Conntrack Diagrams

IPTABLES TABLES and CHAINS

IPTables has the following 4 built-in tables.

1) Filter Table

Filter is default table for iptables. So, if you don’t define you own table, you’ll be using filter table. Iptables’s filter table has the following built-in chains.

@phemmer
phemmer / main.go
Created September 23, 2015 04:41
xml rsa private key to pem converter in golang
/*
Usage: go run main.go < /path/to/private-key.xml
Optionally takes base64 encoded input.
This is a very crude implementation. Any errors result in a panic.
*/
package main
import (
@vadviktor
vadviktor / client.rb
Created December 23, 2015 16:49
Ruby unix socket server-client receive-respond
require "socket"
socket = UNIXSocket.new('/tmp/simple.sock')
puts "==== Sending"
socket.write("Hello server, can you hear me?\n")
puts "==== Getting Response"
puts socket.readline
@anicet
anicet / pkey_rsa_converter.rb
Last active January 20, 2023 16:20
PKeyRSAConverter: RSAKeyValue .NET XML to RSA PEM (and RSA PEM to RSAKeyValue .NET XML)
require 'openssl'
require 'base64'
require 'rexml/document'
class PKeyRSAConverter
def initialize(from_pem: nil, from_xml: nil)
@from_pem = from_pem
@from_xml = from_xml
end
@SimonTart
SimonTart / .npmrc
Last active November 19, 2022 09:57
npmrc config for china
registry=https://registry.npm.taobao.org
disturl=https://npm.taobao.org/dist
sass_binary_site=https://npm.taobao.org/mirrors/node-sass/
phantomjs_cdnurl=https://npm.taobao.org/mirrors/phantomjs/
electron_mirror=https://npm.taobao.org/mirrors/electron/
chromedriver_cdnurl=https://npm.taobao.org/mirrors/chromedriver
operadriver_cdnurl=https://npm.taobao.org/mirrors/operadriver
selenium_cdnurl=https://npm.taobao.org/mirrors/selenium
node_inspector_cdnurl=https://npm.taobao.org/mirrors/node-inspector
fsevents_binary_host_mirror=http://npm.taobao.org/mirrors/fsevents/