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# Install "sshpass" on macOS. | |
# | |
# - sshpass allows you to easily automate password entry | |
# prompts for ssh sessions. | |
# | |
# Don't mess around with terminal if you | |
# don't know what any of this means, please. | |
# Evaluate for learning purposes at your own risk. | |
# | |
# Licensed under MIT. See below. |
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package main | |
import ( | |
"fmt" | |
"io" | |
"net/http" | |
"os" | |
) | |
func init() { |
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socat - udp4-listen:8125,fork | tee >(socat - udp-sendto:127.0.0.1:8135) >(socat - udp-sendto:127.0.0.1:8140) |
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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 |
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/** | |
* config.h | |
* ALT + F11 | F12 | |
*/ | |
static const char *upvol[] = { "amixer", "set", "Master", "3+", NULL }; | |
static const char *downvol[] = { "amixer", "set", "Master", "3-", NULL }; | |
static const char *mutevol[] = { "amixer", "set", "Master", "toggle", NULL }; | |
static Key keys[] = { |