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@jdrew1303
jdrew1303 / readme.md
Last active July 27, 2025 09:47
Market Order Matching Engine

Introduction

The computer driven markets for instruments like stocks and exchange traded stock options, have transformed finance and the flow of capital. These markets are enabled by order matching engines (and the infrastructure that supports this software). Before computer trading networks and matching engines, stocks where traded on cavernous exchange floors and transaction costs where high. When electronic trading fully matured, floor traders were a fading anachronism and transaction costs had been reduced to pennies a share in many cases. Electronic trading could not exist without advanced network infrastructure, but without the software matching engines no shares would change hands. The computer trading networks, the matching engine software has also created a concentrated nexus of potential failure. Failures in these systems have increased as the frequency and volume on the electronic networks has increased. The position of order matching engines in the trading infrastructure makes these systems o

@QinMing
QinMing / .zshrc
Last active June 21, 2024 02:06
.zshrc (lazy loading shell functions)
# Copyright (c) 2016-2018 Ming Qin (覃明) <https://github.com/QinMing>
# Open source under MIT LICENSE.
lazy_load() {
# Act as a stub to another shell function/command. When first run, it will load the actual function/command then execute it.
# E.g. This made my zsh load 0.8 seconds faster by loading `nvm` when "nvm", "npm" or "node" is used for the first time
# $1: space separated list of alias to release after the first load
# $2: file to source
# $3: name of the command to run after it's loaded
# $4+: argv to be passed to $3
@junegunn
junegunn / b.rb
Last active December 6, 2025 22:05
b - browse Chrome bookmarks with fzf
#!/usr/bin/env bash
# vim: set filetype=ruby:
# b - browse Chrome bookmarks with fzf
[ $(uname) = Darwin ] || exit 1
which fzf > /dev/null 2>&1 || brew reinstall --HEAD fzf || exit 1
/usr/bin/ruby -x "$0" |
fzf-tmux -u 30% --ansi --multi --no-hscroll --tiebreak=begin |
awk 'BEGIN { FS = "\t" } { print $2 }' |
@umidjons
umidjons / export-html-table-to-excel.md
Created March 2, 2015 13:32
Export HTML table to Excel in AngularJS

Export HTML table to Excel in AngularJS

myApp.factory('Excel',function($window){
		var uri='data:application/vnd.ms-excel;base64,',
			template='<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>',
			base64=function(s){return $window.btoa(unescape(encodeURIComponent(s)));},
			format=function(s,c){return s.replace(/{(\w+)}/g,function(m,p){return c[p];})};
		return {
@vsouza
vsouza / .bashrc
Last active January 31, 2026 01:19
Golang setup in Mac OSX with HomeBrew. Set `GOPATH` and `GOROOT` variables in zshell, fish or bash.
# Set variables in .bashrc file
# don't forget to change your path correctly!
export GOPATH=$HOME/golang
export GOROOT=/usr/local/opt/go/libexec
export PATH=$PATH:$GOPATH/bin
export PATH=$PATH:$GOROOT/bin
/**
* Retrieves all the rows in the active spreadsheet that contain data and logs the
* values for each row.
* For more information on using the Spreadsheet API, see
* https://developers.google.com/apps-script/service_spreadsheet
*/
function readRows() {
var sheet = SpreadsheetApp.getActiveSheet();
var rows = sheet.getDataRange();
var numRows = rows.getNumRows();
@ElliotChong
ElliotChong / facebookPluginDirectives.coffee
Created October 9, 2012 05:45
Angular directives that will parse Facebook plugins added to the DOM after Facebook has been initialized
module = angular.module 'FacebookPluginDirectives', []
createDirective = (name) ->
module.directive name, ->
restrict: 'C'
link: (scope, element, attributes) ->
FB?.XFBML.parse(element.parent()[0])
createDirective pluginName for pluginName in ['fbActivity', 'fbComments', 'fbFacepile', 'fbLike', 'fbLikeBox', 'fbLiveStream', 'fbLoginButton', 'fbName', 'fbProfilePic', 'fbRecommendations']
@PsychoH13
PsychoH13 / PSYObjCSupport.h
Last active October 8, 2015 01:38
Support for ObjC subscripting and @yES and @no in iOS 4 and 5
/*
PSYObjCSupport.h
Created by Remy "Psy" Demarest on 04/08/2012.
Copyright (c) 2012. Remy "Psy" Demarest
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@jlong
jlong / uri.js
Created April 20, 2012 13:29
URI Parsing with Javascript
var parser = document.createElement('a');
parser.href = "http://example.com:3000/pathname/?search=test#hash";
parser.protocol; // => "http:"
parser.hostname; // => "example.com"
parser.port; // => "3000"
parser.pathname; // => "/pathname/"
parser.search; // => "?search=test"
parser.hash; // => "#hash"
parser.host; // => "example.com:3000"
@dhoerl
dhoerl / KeychainItemWrapper.h
Last active June 19, 2025 07:10
KeychainItemWrapper ARCified. Added the ability to manage a dictionary in place of just a string - the #define PASSWORD_USES_DATA in the .m file switches the mode.
/*
File: KeychainItemWrapper.h
Abstract:
Objective-C wrapper for accessing a single keychain item.
Version: 1.2 - ARCified
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
Inc. ("Apple") in consideration of your agreement to the following
terms, and your use, installation, modification or redistribution of