bootandy

cheat sheet:
http://cheat.errtheblog.com/s/mongo
for more on update see: 
http://www.mongodb.org/display/DOCS/Updating#Updating-update%28%29

======================== DEV ==============================
---search by date:
db.houses.find({"dateadded": { "$gt" : ISODate("2013-01-01")} } )

-- Get by subdocument key field:

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

glenfant

# -*- coding: utf-8
"""\
A simple demo of logging configuration with YAML (Python 2.7)
=============================================================

Requires PyYAML -> "easy_install PyYAML"

See the recipes for configuring logging with dicts and YAML
- http://docs.python.org/2.7/howto/logging-cookbook.html
- http://stackoverflow.com/questions/10519392/python2-7-logging-configuration-with-yaml

mywaiting

#!/usr/bin/env python

"""
How to use it:
1. Just `kill -2 PROCESS_ID` or `kill -15 PROCESS_ID` , The Tornado Web Server Will shutdown after process all the request.
2. When you run it behind Nginx, it can graceful reboot your production server.

3. Nice Print in http://weibo.com/1682780325/zgkb7g8k7

"""