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I may be slow to respond.

Christian Korneck christian-korneck

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I may be slow to respond.
84 followers · 88 following
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@liuw
liuw / ctype_async_raise.py
Created April 17, 2012 16:02
Nasty hack to raise exception for other threads
#!/usr/bin/env python
# liuw
# Nasty hack to raise exception for other threads
import ctypes # Calm down, this has become standard library since 2.5
import threading
import time
NULL = 0
@jboner
jboner / latency.txt
Last active May 18, 2025 19:02
Latency Numbers Every Programmer Should Know
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
@zziuni
zziuni / stuns
Created September 18, 2012 08:05
STUN server list
# source : http://code.google.com/p/natvpn/source/browse/trunk/stun_server_list
# A list of available STUN server.
stun.l.google.com:19302
stun1.l.google.com:19302
stun2.l.google.com:19302
stun3.l.google.com:19302
stun4.l.google.com:19302
stun01.sipphone.com
stun.ekiga.net
@rxin
rxin / ramdisk.sh
Last active November 21, 2024 15:11
ramdisk create/delete on Mac OS X.
#!/bin/bash
# From http://tech.serbinn.net/2010/shell-script-to-create-ramdisk-on-mac-os-x/
#
ARGS=2
E_BADARGS=99
if [ $# -ne $ARGS ] # correct number of arguments to the script;
then
@jkstill
jkstill / proc_net_tcp_decode
Last active January 18, 2025 04:34
decode entries in /proc/net/tcp
Decoding the data in /proc/net/tcp:
Linux 5.x /proc/net/tcp
Linux 6.x /proc/PID/net/tcp
Given a socket:
$ ls -l /proc/24784/fd/11
lrwx------ 1 jkstill dba 64 Dec 4 16:22 /proc/24784/fd/11 -> socket:[15907701]
@evernotegists
evernotegists / b64dec.py
Created August 1, 2013 19:41
Convert base64-encoded data from an exported Evernote note back to its original form.
#!/usr/bin/env python
# Copyright 2013 Evernote Corporation. All rights reserved.
import base64
import sys
# Copy the base64 string from the ENEX file and put it into a file
# Pipe base64-encoded data to STDIN
@kylemanna
kylemanna / connmanctl.md
Last active June 27, 2023 23:12
Connmanctl Cheat Sheet
@jmoiron
jmoiron / valuer.go
Created October 14, 2013 18:03
Example uses of sql.Scanner and driver.Valuer
package main
import (
"bytes"
"compress/gzip"
"database/sql/driver"
"errors"
"fmt"
"github.com/jmoiron/sqlx"
_ "github.com/mattn/go-sqlite3"
@JamieMason
JamieMason / unfollow.js.md
Last active May 8, 2025 20:30
Unfollow everyone on twitter.com

Unfollow everyone on twitter.com

By @foldleft.bsky.social, see also Unfollow everyone on bsky.app.

  1. Go to https://twitter.com/YOUR_USER_NAME/following
  2. Open the Developer Console. (COMMAND+ALT+I on Mac)
  3. Paste this into the Developer Console and run it
// Unfollow everyone on twitter.com, by Jamie Mason (https://twitter.com/fold_left)
@BenNeise
BenNeise / Get-PCOIPStatsViaWMI.ps1
Created February 3, 2014 15:27
Powershell function to get PCOIP statistics gatherered via WMI from the target machine
Function Get-PCOIPStatsViaWMI {
<#
.Synopsis
Returns PCOIP statistics via WMI
.Description
This function displays PCOIP statistics gatherered via WMI from the
target machine
.Example