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szs8 / Effective_Engineer.md
Created December 29, 2017 13:20 — forked from rondy/Effective_Engineer.md

Effective Engineer - Notes

What's an Effective Engineer?

  • They are the people who get things done. Effective Engineers produce results.

Adopt the Right Mindsets

@szs8
szs8 / to_redshift.py
Created June 18, 2016 01:13 — forked from ajsmith007/to_redshift.py
# see also https://github.com/wrobstory/pgshift
import gzip
from io import StringIO, BytesIO
from functools import wraps
import boto
from sqlalchemy import MetaData
from pandas import DataFrame
from pandas.io.sql import SQLTable, pandasSQL_builder
@szs8
szs8 / DataFrameGUI.py
Created June 9, 2016 12:58 — forked from jsexauer/DataFrameGUI.py
A sophisticated GUI to interact with DataFrame objects
"""
DataFrameTable
==============
Quick and Dirty Qt app to view pandas DataFrames. Includes sorting and
filterting.
Based on qtpandas in pandas sandbox module, by Jev Kuznetsov
Usage:
@szs8
szs8 / pandas_dbms.py
Created September 7, 2012 17:59 — forked from catawbasam/pandas_dbms.py
Python PANDAS : load and save Dataframes to sqlite, MySQL, Oracle, Postgres
# -*- coding: utf-8 -*-
"""
example use of pandas with oracle mysql postgresql sqlite
lightly tested.
to do:
save/restore index (how to check table existence? just do select count(*)?),
finish odbc,
add booleans?,
sql_server?
@szs8
szs8 / latency.txt
Created May 31, 2012 13:36 — forked from jboner/latency.txt
Latency numbers every programmer should know
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns
Mutex lock/unlock 25 ns
Main memory reference 100 ns
Compress 1K bytes with Zippy 3,000 ns
Send 2K bytes over 1 Gbps network 20,000 ns
Read 1 MB sequentially from memory 250,000 ns
Round trip within same datacenter 500,000 ns
Disk seek 10,000,000 ns