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Behrang Saeedzadeh behrangsa

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@behrangsa
behrangsa / bunzip021.c
Created June 6, 2019 09:18
Source code for bunzip021.c, from https://web.archive.org/web/19980704181646/http://www.muraroa.demon.co.uk/bunzip021.c`
/*-----------------------------------------------------------*/
/*--- A block-sorting, lossless compressor bzip.c ---*/
/*-----------------------------------------------------------*/
/*--
This program is BZIP, a lossless, block-sorting data compressor,
version 0.21, dated 25-August-1996.
Copyright (C) 1996 by Julian Seward.
Department of Computer Science, University of Manchester,
@behrangsa
behrangsa / bookmarks.md
Created April 16, 2019 07:57
Boomarks
@behrangsa
behrangsa / sample.xsd
Created March 31, 2019 05:55
Sample XSD
<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns="http://example.com"
xmlns:mstns="http://example.com"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"
targetNamespace="http://example.com"
elementFormDefault="qualified" id="Example">
<xs:element name="Example_Parent">
<xs:complexType>
<xs:choice>
@behrangsa
behrangsa / self-signed-certificate-with-custom-ca.md
Created November 10, 2018 14:30 — forked from fntlnz/self-signed-certificate-with-custom-ca.md
Self Signed Certificate with Custom Root CA

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096
@behrangsa
behrangsa / ubuntu-cloudformation.json
Created July 19, 2018 13:38 — forked from kixorz/ubuntu-cloudformation.json
Ubuntu CloudFormation Tools installation snippet. Modified version of http://krunchtime.it/setting-up-bootstrapping-using-cfn-init-for-aws-ubuntu-ec2-instance
"UserData": {
"Fn::Base64": { "Fn::Join":["", [
"#!/bin/bash -ex\n",
"apt-get update\n",
"apt-get -y install python-setuptools\n",
"mkdir aws-cfn-bootstrap-latest\n",
"curl https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz | tar xz -C aws-cfn-bootstrap-latest --strip-components 1\n",
"easy_install aws-cfn-bootstrap-latest\n",
"/usr/local/bin/cfn-init --stack ", { "Ref":"AWS::StackName" }, " --resource WebServer", " --region ", { "Ref": "AWS::Region" }, "\n",
"\n",
@behrangsa
behrangsa / java-kotling.md
Last active January 21, 2018 13:56
Java vs Kotlin

Here are two examples:

Example 1

In version 3.1.4 of the RabbitMQ client for Java, Connection does not implement Closeable so you can't use try-with-resources when creating a new connection.

You can't do this either:




  


  




    


          
    

      

        
        

          

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                behrangsa
                / CommonProperties.java
            
            

              Last active
              January 8, 2018 11:21
                — forked from anonymous/CommonProperties.java
            

              
                StackOverflow - https://stackoverflow.com/questions/48143831/how-to-validate-configuration-property-only-if-a-certain-profile-is-active
              
          

        

      

        

  

    
    


        



  


  

        

          
          @Data
        

        

          
          @Component
        

        

          
          @ConfigurationProperties(prefix = "sample")
        

        

          
          @Validated
        

        

          
          public class SampleProperties {
        

        

          
          

        

        

          
              @NotNull
        

        

          
              private String sample1;
        

        

          
          

        

        

          
          }
        

  





    


  




    


          
    

      

        
        

          

              @behrangsa
          

          

            
                behrangsa
                / 01 - home.js
            
            

              Last active
              October 7, 2017 12:36
            

              
                Stuck implementing Cognito Federated Authentication for a Web App using Lambda, API Gateway, and Twitter
              
          

        

      

        

  

    
    


        



  


  

        

          
          module.exports.handler = function (event, context, callback) {
        

        

          
              let body = `
        

        

          
                  <!doctype html>
        

        

          
                  <html lang="en">
        

        

          
                  <head>
        

        

          
                      <meta charset="utf-8">
        

        

          
              
        

        

          
                      <title>Serverless Home</title>
        

        

          
                      <style>
        

        

          
                          .hidden {
        

  





    


  




    


          
    

      

        
        

          

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                behrangsa
                / gist:746d7e31973488102d05985caa419e8c
            
            

              Created
              January 29, 2017 12:25
            

              
                PlantUML Example: Firewall Rules
              
          

        

      

        

  

    
    


        



  


  

        

          
          @startuml
        

        

          
          

        

        

          
          node "VPC A" as VpcA
        

        

          
          node "VPC B" as VpcB
        

        

          
          

        

        

          
          VpcA -> VpcB : TCP/4407
        

        

          
          VpcB -> VpcA : TCP/3306
        

        

          
          

        

        

          
          @enduml
        

  





    


  




    


          
    

      

        
        

          

              @behrangsa
          

          

            
                behrangsa
                / Main.java
            
            

              Last active
              September 22, 2021 14:48
            

              
                Console based Spring Boot app
              
          

        

      

        

  

    
    


        



  


  

        

          
          @SpringBootApplication
        

        

          
          public class Main {
        

        

          
          

        

        

          
              public static void main(String[] args) {
        

        

          
                  final ConfigurableApplicationContext context = SpringApplication.run(Main.class, args);
        

        

          
                  final AppBean app = context.getBean(AppBean.class);
        

        

          
                  app.run(args);
        

        

          
              }
        

        

          
          }