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
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from transitions import Machine | |
class Payments(models.Model): | |
STATES = { | |
'started': 'Started', | |
'captured': 'Captured', | |
'completed': 'Completed', | |
} |
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<html> | |
<body> | |
<h1>I feel lonely</h1> | |
<script type="text/javascript" src="//code.jquery.com/jquery-2.1.3.min.js"></script> | |
<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/0.9.16/socket.io.min.js"></script> | |
<script type="text/javascript" charset="utf-8"> | |
var socket = io.connect('http://' + document.domain + ':' + location.port); | |
socket.on('connect', function() { | |
socket.emit('connected'); |
- Update HISTORY.rst
- Commit the changes:
git add HISTORY.rst
git commit -m "Changelog for upcoming release 0.1.1."
- Update version number (can also be minor or major)
bumpversion patch
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## | |
# Flask Drive Example App | |
# | |
# @author Prahlad Yeri <[email protected]> | |
# @date 30-12-2016 | |
# Dependency: | |
# 1. pip install flask google-api-python-client | |
# 2. make sure you have client_id.json in this same directory. | |
import os |