- Compress a file (
filename.sqlwill be replaced byfilename.sql.xz)
xz filename.sql
- Uncompress file (
filename.sql.xzwill be replaced byfilename.sql)
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <stdint.h> | |
| #ifdef _MSC_VER | |
| #include <intrin.h> /* for rdtscp and clflush */ | |
| #pragma optimize("gt",on) | |
| #else | |
| #include <x86intrin.h> /* for rdtscp and clflush */ | |
| #endif |
| // Copyright 2016 Jeremie Miserez <jeremie@miserez.org> | |
| // | |
| // MIT License | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
| // The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF O |
NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.
If you are not into long explanations, see [Paolo Bergantino’s answer][2].
| # | |
| # Copyright (C) 2013-2020 Vinay Sajip. New BSD License. | |
| # | |
| import os | |
| import os.path | |
| from subprocess import Popen, PIPE | |
| import sys | |
| from threading import Thread | |
| from urllib.parse import urlparse | |
| from urllib.request import urlretrieve |
| git checkout <branch> | |
| git fetch <other-fork-alias> | |
| git cherry-pick <commit-hash> | |
| git push <your-fork-alias> |
| -- show running queries (pre 9.2) | |
| SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
| FROM pg_stat_activity | |
| WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
| ORDER BY query_start desc; | |
| -- show running queries (9.2) | |
| SELECT pid, age(clock_timestamp(), query_start), usename, query | |
| FROM pg_stat_activity | |
| WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |
| /*--- waitForKeyElements(): A utility function, for Greasemonkey scripts, | |
| that detects and handles AJAXed content. | |
| Usage example: | |
| waitForKeyElements ( | |
| "div.comments" | |
| , commentCallbackFunction | |
| ); |
| # Fix keyboard interrupts when using multiprocessing.pool.imap(). | |
| # Usage: | |
| # import fix_multiprocessing.py | |
| from multiprocessing.pool import IMapIterator | |
| def wrapper(func): | |
| def wrap(self, timeout=None): | |
| # Note: the timeout of 1 googol seconds introduces a rather subtle |