francoisjacques

# Updated for Ruby 2.3
string_t = None

def get_rstring(addr):
  s = addr.cast(string_t.pointer())
  if s['basic']['flags'] & (1 << 13):
    return s['as']['heap']['ptr'].string()
  else:
    return s['as']['ary'].string()

francoisjacques

How to use 'pci pass-through' to run Linux in Qemu accessing real Ath9k adapter
===============================================================================

# Boot kernel with 'intel_iommu=on'

# Unbind driver from the device and bind 'pci-stub' to it
echo "168c 0030" > /sys/bus/pci/drivers/pci-stub/new_id
echo 0000:0b:00.0 > /sys/bus/pci/devices/0000:0b:00.0/driver/unbind
echo 0000:0b:00.0 > /sys/bus/pci/drivers/pci-stub/bind

francoisjacques

module Where
  class <<self
    attr_accessor :editor
    
    def is_proc(proc)
      source_location(proc)
    end
    
    def is_method(klass, method_name)
      source_location(klass.method(method_name))

francoisjacques

#!/bin/bash

mkdir wordpress-site && cd wordpress-site

touch docker-compose.yml

cat > docker-compose.yml <<EOL
version: "2"
services:
  my-wpdb:

francoisjacques

/* How to calculate postgreSQL database size in disk ? */

SELECT pg_size_pretty(pg_database_size('thedbname'));

/* Calculate size of a table including or excluding the index */

SELECT pg_size_pretty(pg_total_relation_size('big_table'));
SELECT pg_size_pretty(pg_relation_size('big_table')); /* without index */

/* See indexes on a table with `\d tablename` */

francoisjacques

Types of index scans

Indexes

Sequential Scan:

• Read every row in the table
• No reading of index. Reading from indexes is also expensive.

francoisjacques

 #!/bin/sh

# Typical location - /jffs/scripts/ddns-start
# NOTE - USERNAME and PASSWORD must be URL encoded, example @ becomes %40
USERNAME=CHANGE_ME_URL_ENCODED 
PASSWORD=CHANGE_ME_URL_ENCODED
HOSTNAME=all.dnsomatic.com
IP=`curl --silent http://canhazip.com`
# Should be no need to modify anything beyond this point
/usr/sbin/curl --silent "https://$USERNAME:[email protected]/nic/update?hostname=$HOSTNAME&wildcard=NOCHG&mx=NOCHG&backmx=NOCHG&myip=$IP" > /dev/null                                     

francoisjacques

***** 304-hardened.patch *****
PWD: /var/tmp/portage/app-emulation/vmware-modules-304.2/work
PATCH TOOL: patch -> /usr/bin/patch
VERSION INFO:
GNU patch 2.7.5
Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc.
Copyright (C) 1988 Larry Wall

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.

francoisjacques

***** 308-hardened.patch *****
PWD: /var/tmp/portage/app-emulation/vmware-modules-308.0-r1/work
PATCH TOOL: patch -> /usr/bin/patch
VERSION INFO:
GNU patch 2.7.5
Copyright (C) 2003, 2009-2012 Free Software Foundation, Inc.
Copyright (C) 1988 Larry Wall

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.

francoisjacques

# Change Java Runtime:
sudo update-alternatives --config java

# Delete Open-JDK
sudo apt-get purge openjdk-\* icedtea-\* icedtea6-\*

# Change fonts - remove hinting:
http://askubuntu.com/questions/32624/ugly-fonts-in-netbeans-how-can-i-make-it-use-the-system-font

# Change RubyMine AntiAliasing first: