- heroku cli (logged in)
- git
- curl
- wget
- tar are required
- ~ openssl is required to generate the secret_key, but you're free to use what you want
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# Simple Google Drive backup script with automatic authentication | |
# for Google Colaboratory (Python 3) | |
# Instructions: | |
# 1. Run this cell and authenticate via the link and text box. | |
# 2. Copy the JSON output below this cell into the `mycreds_file_contents` | |
# variable. Authentication will occur automatically from now on. | |
# 3. Create a new folder in Google Drive and copy the ID of this folder | |
# from the URL bar to the `folder_id` variable. | |
# 4. Specify the directory to be backed up in `dir_to_backup`. |
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#!/usr/bin/python | |
# Modified by Travis Lee | |
# Last Updated: 4/21/14 | |
# Version 1.16 | |
# | |
# -changed output to display text only instead of hexdump and made it easier to read | |
# -added option to specify number of times to connect to server (to get more data) | |
# -added option to send STARTTLS command for use with SMTP/POP/IMAP/FTP/etc... | |
# -added option to specify an input file of multiple hosts, line delimited, with or without a port specified (host:port) |
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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 |