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# Copyright (c) 2014 Mark Lanett. | |
# Permission is hereby granted, free of charge, to deal in this software without restriction of any sort. | |
module Fluent | |
def self.included(base) | |
base.extend(ClassSingletonMethods) | |
end | |
module ClassSingletonMethods |
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cd /tmp | |
mkdir bash-fix | |
cd bash-fix | |
curl https://opensource.apple.com/tarballs/bash/bash-92.tar.gz | tar zxf - | |
cd bash-92/bash-3.2 | |
curl https://ftp.gnu.org/pub/gnu/bash/bash-3.2-patches/bash32-052 | patch -p0 |
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def assert condition | |
raise unless condition | |
end | |
# | |
# @@fields are class fields, shared by all instances and all subclasses. | |
# Class fields MUST be initialized. | |
# Class fields can be accessed by instance methods. | |
# Class fields can be accessed by singleton methods. | |
# |
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def assert condition | |
raise unless condition | |
end | |
# | |
# @fields at the class level are singleton fields. | |
# Singleton fields may be initialized but this is not required. | |
# Singleton fields can only be accessed by singleton methods. | |
# Singleton fields are not inherited by subclasses (although singleton methods *are* inherited). | |
# |
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SELECT pid, | |
age(clock_timestamp(), query_start), | |
usename, | |
state, | |
-- get rid of newlines, runs of spaces | |
regexp_replace(query, E'[\\n\\r ]+', ' ', 'g' ) as query | |
-- , pg_terminate_backend(pid) -- UNCOMMENT TO KILL | |
FROM pg_stat_activity |
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#!/usr/bin/env python | |
# Derived from https://github.com/apangin/jstackmem/blob/master/jstackmem.py | |
import bisect | |
import re | |
import subprocess | |
import sys | |
if len(sys.argv) < 2: | |
print("Calculate stack memory used by a Java process") | |
print("Usage: python jstackmem.py <pid>") |
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=begin | |
Include in your rspec config like so: | |
RSpec.configure do |spec| | |
spec.include RSpec::RedisHelper, redis: true | |
end | |
This helper will clean redis around each example. | |
=end |
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HTTP status code symbols for Rails | |
Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings. | |
Status Code Symbol | |
1xx Informational | |
100 :continue | |
101 :switching_protocols | |
102 :processing |