Bill Ryder bryder

I've contributed to opensource using a few emails: [email protected], [email protected], [email protected]. I started programming on Unix in 1982(ish).

bryder / pycharm_PEP8 errors to ignore

Created March 6, 2016 21:09

	Ref: http://pep8.readthedocs.org/en/latest/intro.html#error-codes

	E124 (^) closing bracket does not match visual indentation

	E127 (^) continuation line over-indented for visual indent
	E128 (^) continuation line under-indented for visual indent

bryder / postgres queries to get replication log position deltas

Last active March 1, 2016 02:42

	On the slave (python string)

	"select pg_last_xlog_receive_location(), pg_last_xlog_replay_location(), "
	"EXTRACT (EPOCH FROM now() - pg_last_xact_replay_timestamp()) AS seconds_since_last_replay, "
	"pg_xlog_location_diff(pg_last_xlog_receive_location(), pg_last_xlog_replay_location()) "
	"AS replay_receive_xlog_pos_delta;

	On the master

	use pg_xlog_location_diff with the extracted positions from the slave to do something similar

bryder / version_check_module.py

Created December 3, 2015 04:00

Check module version in python is a minimum

	from distutils.version import LooseVersion

	if LooseVersion(thing.__version__) < LooseVersion('1.11.1'):
	exit("Use the right version dude")

bryder / dirname_basename_fullpath_of_script.bash

Last active January 12, 2017 21:53

get dirname/basename and full path of a script in bash

	# This will work even with spaces in the directory name or the script name
	# or even if the script is sourced

	script_basename=${BASH_SOURCE[0]##*/}
	# on osx you need to brew install coreutils - then you get greadlink not readlink as in linux
	script_fullpath=$( (greadlink -f "${BASH_SOURCE[0]}" \|\| readlink -f "${BASH_SOURCE[0]}" ) 2> /dev/null)
	script_dirname=${script_fullpath%/*}

	echo basename \'${script_basename}\'
	echo fullpath \'${script_fullpath}\'

bryder / gist:9af775bad4342ba97490

Created October 21, 2015 03:19

Simulating less memory using tmpfs

	sudo mkdir /mnt/tmpfs
	sudo mount -t tmpfs -o size=16g /dev/shm /mnt/tmpfs
	dd if=/dev/zero bs=1024k count=4096 of=/mnt/tmpfs/bigfile

bryder / get_script_pathname_dirname.py

Created September 7, 2015 21:32

get fully qualified forms of name of the currently running python script

	script_path = os.path.realpath(__file__)
	script_path_no_ext = os.path.splitext(os.path.realpath(__file__))[0]
	script_dir = os.path.dirname(script_path)

bryder / json_dumps_serialiser_that_should_be_default.py

Last active April 28, 2016 20:15

make json.dumps serialise common things. Doh.

	# from stack overflow http://stackoverflow.com/questions/8230315/python-sets-are-not-json-serializable and others

	class SerialiseThis(json.JSONEncoder):
	def default(self, obj):

	if isinstance(obj, set):
	return list(obj)

	if isinstance(obj, datetime.datetime):
	return obj.isoformat()

bryder / enable_onscreen_keyboard.ps1

Created June 23, 2015 00:42

Enable on screen keyboard windows 8.1

Set-Service tabletinputservice -Status Running -StartupType Manual

bryder / disable_onscreen_keyboard.ps1

Created June 23, 2015 00:41

Disable onscreen keyboard for windows 8.1

	Set-Service tabletinputservice -StartupType Disabled
	stop-service tabletinputservice

bryder / override_bad_cert_go_get

Created June 9, 2015 19:40

handling man in the middle pain for go get etc etc

env HTTPS_PROXY=aproxy:3128 GIT_SSL_NO_VERIFY=true go get -v github.com/jessevdk/go-flags