| package main | |
| import ( | |
| "encoding/json" | |
| "fmt" | |
| "log" | |
| "net" | |
| "os" | |
| "time" | |
| ) |
| #!/bin/bash | |
| msg() { | |
| printf -- '%s\n' "$@" | |
| } | |
| err() { | |
| printf -- 'error: %s\n' "$@" >&2 | |
| exit 1 | |
| } |
| package main | |
| import ( | |
| "crypto/rand" | |
| "encoding/base64" | |
| "fmt" | |
| "io" | |
| ) | |
| // Adapted from https://elithrar.github.io/article/generating-secure-random-numbers-crypto-rand/ |
| // ==UserScript== | |
| // @name unfix-all-the-toolbars | |
| // @description Removes "position: fixed" style from elements, unfixing "toolbars" and the such. | |
| // @namespace http://inf.ufrgs.br/~vbuaraujo/ | |
| // @include * | |
| // @version 1.2 | |
| // @grant none | |
| // ==/UserScript== | |
| #!/usr/bin/expect -f | |
| set prompt "#" | |
| set address [lindex $argv 0] | |
| spawn sudo bluetoothctl -a | |
| expect -re $prompt | |
| send "remove $address\r" | |
| sleep 1 | |
| expect -re $prompt |
| import threading | |
| import time | |
| class TTLDict(dict): | |
| """ A dictionary with keys having specific time to live """ | |
| def __init__(self, ttl=5): | |
| self._ttl = ttl | |
| # Internal key mapping keys of _d | |
| # to times of access |
Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...
// see: https://github.com/chadoe/docker-cleanup-volumes
$ docker volume rm $(docker volume ls -qf dangling=true)
$ docker volume ls -qf dangling=true | xargs -r docker volume rm
| // haversin(θ) function | |
| func hsin(theta float64) float64 { | |
| return math.Pow(math.Sin(theta/2), 2) | |
| } | |
| // Distance function returns the distance (in meters) between two points of | |
| // a given longitude and latitude relatively accurately (using a spherical | |
| // approximation of the Earth) through the Haversin Distance Formula for | |
| // great arc distance on a sphere with accuracy for small distances | |
| // |
| ipfs config Addresses.Gateway /ip4/0.0.0.0/tcp/9001 | |
| ipfs config Addresses.API /ip4/0.0.0.0/tcp/5001 |
c:\dev\go-sandbox\jsonstore>go test -bench . -count 10
goos: windows
goarch: amd64
BenchmarkJsonstore-4 2000 897051 ns/op
BenchmarkJsonstore-4 2000 885050 ns/op
BenchmarkJsonstore-4 2000 1131564 ns/op
BenchmarkJsonstore-4 2000 839048 ns/op
BenchmarkJsonstore-4 2000 919052 ns/op
BenchmarkJsonstore-4 2000 838547 ns/op