matrixise

#!/usr/bin/env python
import datetime
from sqlalchemy import create_engine
from sqlalchemy import Column, Integer, String, DateTime
from sqlalchemy.schema import CheckConstraint
from sqlalchemy.orm import validates
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.exc import IntegrityError

aras-p

// Just before switching jobs:
// Add one of these.
// Preferably into the same commit where you do a large merge.
//
// This started as a tweet with a joke of "C++ pro-tip: #define private public",
// and then it quickly escalated into more and more evil suggestions.
// I've tried to capture interesting suggestions here.
//
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_,
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant,

steveklabnik

Gems that need help with Rails 4

• cucumber-rails
• simple_form - has a 3.0.0.rc but it depends on rails 4.0.0.rc1
• delayed_job_active_record - has a v4.0.0.beta3 so likely ready to release soon
• spork-rails - has no indication of even a beta for rails 4
• authlogic: binarylogic/authlogic#368
• activeadmin/activeadmin#1963

wacko

On Mac OS (host):

Shutdown your VM and do:

VirtualBox > Settings > Network > Add (you will get vboxnet0)

On a terminal ifconfig will show you new interface vboxnet0

VM's Settings > System > check "Enable I/O APIC." VM's Settings > Network > Adapter 2 > host-only vboxnet0

tenderlove

Commandline output

$ ruby treetoar.rb 
SELECT "topics".* FROM "topics"  WHERE "topics"."id" = 1
Topic.where(id: 1)
SELECT "topics".* FROM "topics"  WHERE "topics"."id" IN (1, 2, 3)
Topic.where(id: [1, 2, 3])

earthgecko

#!/bin/bash
# bash generate random alphanumeric string
#

# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1

jterrace

XVFB=/usr/bin/Xvfb
XVFBARGS=":1 -screen 0 1024x768x24 -ac +extension GLX +render -noreset"
PIDFILE=/var/run/xvfb.pid
case "$1" in
  start)
    echo -n "Starting virtual X frame buffer: Xvfb"
    start-stop-daemon --start --quiet --pidfile $PIDFILE --make-pidfile --background --exec $XVFB -- $XVFBARGS
    echo "."
    ;;
  stop)

mklnz

# I got tired of uploading to /tmp then moving to the correct location, so these two convenience methods will save you a lot of time in the long run.

# Helper method to upload to /tmp then use sudo to move to correct location.
def put_sudo(data, to)
  filename = File.basename(to)
  to_directory = File.dirname(to)
  put data, "/tmp/#{filename}"
  run "#{sudo} mv /tmp/#{filename} #{to_directory}"
end

eclubb

#!/bin/sh

# This script will migrate schema and data from a SQLite3 database to PostgreSQL.
# Schema translation based on http://stackoverflow.com/a/4581921/1303625.
# Some column types are not handled (e.g blobs).

SQLITE_DB_PATH=$1
PG_DB_NAME=$2
PG_USER_NAME=$3