Francis Zhou francistm

## self-signed-certificate-with-custom-ca.md

      
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                fntlnz
                / self-signed-certificate-with-custom-ca.md
            
            
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              May 12, 2024 16:05
            
              
                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

  
## eps-to-svg.md

      
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                JosefJezek
                / eps-to-svg.md
            
            
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              March 19, 2024 07:48
            
              
                EPS to SVG Conversion using Inkscape
              
          
    EPS to SVG using Inkscape 

Author: Josef Jezek
# Install Inkscape on Ubuntu
sudo apt-get install inkscape


## gist:4255760
# 计算排列组合
module LotMath

  extend self

  # 阶乘
  def F(n)
    return 1 if n == 0
    (1..n).inject(:*)
  end

## scheduled_job.rb
#
# Recurring Job using Delayed::Job
#
# Setup Your job the "plain-old" DJ (perform) way, include this module
# and Your handler will re-schedule itself every time it succeeds.
#
# Sample :
#
#     class MyJob
#       include Delayed::ScheduledJob
	# 计算排列组合
	module LotMath

	extend self

	# 阶乘
	def F(n)
	return 1 if n == 0
	(1..n).inject(:*)
	end
	#
	# Recurring Job using Delayed::Job
	#
	# Setup Your job the "plain-old" DJ (perform) way, include this module
	# and Your handler will re-schedule itself every time it succeeds.
	#
	# Sample :
	#
	# class MyJob
	# include Delayed::ScheduledJob