Andy Thomason is a Senior Programmer at Genomics PLC. He has been witing graphics systems, games and compilers since the '70s and specialises in code performance.
Shanthakumar 5hanth
andy-thomason
/ Genomics_A_Programmers_Guide.md
Created
May 14, 2019 13:32
Genomics a programmers introduction
malko
/ urlBase64ToUint8Array.js
Created
March 31, 2017 12:58
used in pushManager.Subscribe to correctly encode the key to a Uint8Array
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| function urlBase64ToUint8Array(base64String) { | |
| const padding = '='.repeat((4 - base64String.length % 4) % 4); | |
| const base64 = (base64String + padding) | |
| .replace(/\-/g, '+') | |
| .replace(/_/g, '/') | |
| ; | |
| const rawData = window.atob(base64); | |
| return Uint8Array.from([...rawData].map((char) => char.charCodeAt(0))); | |
| } |
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| require 'openssl' | |
| require 'base64' | |
| # ===== \/ sign ===== | |
| # generate keys | |
| key = OpenSSL::PKey::EC.new("secp256k1") | |
| key.generate_key | |
| public_key = key.public_key | |
| public_key_hex = public_key.to_bn.to_s(16).downcase # public key in hex format |
LeCoupa
/ xpath-cheatsheet.js
Last active
April 3, 2024 03:41
XPath Cheatsheet --> https://github.com/LeCoupa/awesome-cheatsheets
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| // XPath CheatSheet | |
| // To test XPath in your Chrome Debugger: $x('/html/body') | |
| // http://www.jittuu.com/2012/2/14/Testing-XPath-In-Chrome/ | |
| // 0. XPath Examples. | |
| // More: http://xpath.alephzarro.com/content/cheatsheet.html | |
| '//hr[@class="edge" and position()=1]' // every first hr of 'edge' class |
jkotchoff
/ google_play_verification.rb
Last active
July 6, 2023 17:57
Verifying an Android subscription in a Ruby on Rails app using the Google Play API
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| class GooglePlayVerification | |
| require 'google/api_client' | |
| # Refer: | |
| # https://code.google.com/p/google-api-ruby-client/issues/detail?id=72 | |
| # and | |
| # http://jonathanotto.com/blog/google_oauth2_api_quick_tutorial.html | |
| # and | |
| # http://milancermak.wordpress.com/2012/08/24/server-side-verification-of-google-play-subsc/ | |
| GOOGLE_KEY = 'xxx-xxx.apps.googleusercontent.com' |
Eric Bidelman has documented some of the common workflows possible with headless Chrome over in https://developers.google.com/web/updates/2017/04/headless-chrome.
If you're looking at this in 2016 and beyond, I strongly recommend investigating real headless Chrome: https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md
Windows and Mac users might find using Justin Ribeiro's Docker setup useful here while full support for these platforms is being worked out.
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| -module(rest). | |
| -include("/opt/local/lib/erlang/lib/stdlib-1.18.2/include/qlc.hrl"). | |
| -include("/opt/local/lib/yaws/include/yaws_api.hrl"). | |
| -export([out/1, addAirport/4, handle/2 ]). | |
| -define(RECORD_TYPE, airport). | |
| -define(RECORD_KEY_FIELD, code). |
nachiket-p
/ meteor_servercall.html
Created
June 21, 2012 07:41
Meteor: Calling server method from client
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| <head> | |
| <title>meteor_servercall</title> | |
| </head> | |
| <body> | |
| {{> simple}} | |
| {{> passData}} | |
| </body> | |
| <template name="simple"> |
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| import SimpleHTTPServer | |
| class CORSHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler): | |
| def send_head(self): | |
| """Common code for GET and HEAD commands. | |
| This sends the response code and MIME headers. | |
| Return value is either a file object (which has to be copied | |
| to the outputfile by the caller unless the command was HEAD, | |
| and must be closed by the caller under all circumstances), or |
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| module BinaryTree | |
| class Node | |
| attr_reader :word, :count, :left, :right | |
| include Enumerable | |
| def initialize(word) | |
| @word, @count = word, 1 | |
| end |
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