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theimpostor
rhettre
/ CBAT_limit_orders.py
Last active
October 16, 2024 14:30
Place limit orders on Coinbase Advanced Trader for just below/above the spot price for your buys/sells. Executable and automatable in AWS
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| import http.client | |
| import hmac | |
| import hashlib | |
| import json | |
| import time | |
| import base64 | |
| import uuid | |
| from enum import Enum | |
| import math |
jonmorehouse
/ vimrc
Created
January 15, 2014 19:09
UUID generator for vim. Inputs a uuid to copy buffer
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| fu! GenerateUUID() | |
| python << EOF | |
| import uuid | |
| import vim | |
| # output a uuid to the vim variable for insertion below | |
| vim.command("let generatedUUID = \"%s\"" % str(uuid.uuid4())) | |
| EOF |
jboner
/ latency.txt
Last active
November 15, 2024 14:00
Latency Numbers Every Programmer Should Know
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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 |