lapo-luchini

#!/bin/sh
FILE="$1"
shift
PARAM="$@"
svn log -q "$FILE" | egrep '^r[0-9]+' | while read REV ALL; do
    OUT=`svn cat -r $REV "$FILE" | egrep -n "$PARAM"`
    if [ $? -eq 0 ]; then
        echo "====> $REV $ALL"
        echo "$OUT"
    fi

lapo-luchini

/*! dynamically change favicon from CSS (does not work on Internet Explorer and Safari)
 *
 * use with:
 * <link id='linkCSS' href='my.css' type='text/css' rel='stylesheet' />
 * <link id='favicon' rel="shortcut icon" href="../images/favicon.png" type="image/png" />
 *
 * my.css can contain:
 * #favicon { background-image: url(any valid URL); }
 */

lapo-luchini

#! /usr/bin/env node

// decode output from a variety of hex dumps, such as
// - BSD hexdump / hd
//   00000000  50 4f 53 54 50 4f 53 54  50 4f 53 54 50 4f 53 54  |POSTPOSTPOSTPOST|
// - od -t x1
//   0000000    50  4f  53  54  50  4f  53  54  50  4f  53  54  50  4f  53  54
// - Java javax.net.debug=all
//   0000: 50 4F 53 54 50 4F 53 54   50 4F 53 54 50 4F 53 54  POSTPOSTPOSTPOST

lapo-luchini

Keybase proof

I hereby claim:

• I am lapo-luchini on github.
• I am lapo (https://keybase.io/lapo) on keybase.
• I have a public key whose fingerprint is 1651 5D1E D58A BCB0 36C3 1F59 83B0 B8C6 CBDA 71F0

To claim this, I am signing this object:

lapo-luchini

BEGIN { dump = 0; }
/^Full thread dump/ { dump = "dump " prev ".txt"; }                                                                                                         
dump != 0 { print $0 > dump; }
/^ PSPermGen/ { getline; print $0 > dump; dump = 0; }                                                                                                       
{ prev = $0; }

lapo-luchini

#!/usr/bin/env node
//jshint node: true, esversion: 6, strict: global, indent: 4, immed: true, undef: true, sub: true, newcap: false
'use strict';

const fs = require('fs'),
    readline = require('readline'),
    https = require('https'),
    now = Date.now(),
    c = {
        reset:  '\x1b[0m',

lapo-luchini

#!/bin/sh
# first you need to set the Hyper-V virtual switch named "WSL" to "external network" (bridge mode)
cat <<EOF > /etc/resolv.conf
nameserver 192.168.1.1
nameserver 8.8.8.8
nameserver 2001:4860:4860::8888
EOF
ip addr add 192.168.1.8/24 dev eth0
route add default gw 192.168.1.1
route del default gw 172.23.160.1

lapo-luchini

#!/bin/sh
# Script informed by the collectd monitoring script for smartmontools (using smartctl)
# by Samuel B. <samuel_._behan_(at)_dob_._sk> (c) 2012
# source at: http://devel.dob.sk/collectd-scripts/

# TODO: This probably needs to be a little more complex.  The raw numbers can have more
#       data in them than you'd think.
#       http://arstechnica.com/civis/viewtopic.php?p=22062211

# can be add to /etc/crontab like this, and node_exporter will see it automatically:

lapo-luchini

// generates flashcards to study multiplications and division of numbers up to 100
// can be imported into Anki via the File→Import option, use "Basic" type cards
let x = {};
for (let a = 2; a <= 100; ++a)
    x[a] = [];
for (let a = 2; a < 100; ++a)
    for (let b = a; b < 100; ++b) {
        let m = a * b;
        if (m > 100)
            continue;

lapo-luchini

#!/bin/sh
if [ $# -ne 1 ]; then
  echo "Usage: $0 FQDN"
  exit 1
fi
cd `dirname "$0"`
if [ ! -f ca.crt ]; then
  openssl ecparam -genkey -name prime256v1 -out ca.key
  openssl req -x509 -new -SHA256 -nodes -days 3652 -subj "/CN=Root CA/OU=zrepl/O=YourName/C=IT" -key ca.key -out ca.crt
fi