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Dima dmrz

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dmrz / macos-ramdisk.md

Created September 21, 2020 15:27 — forked from htr3n/macos-ramdisk.md

Creating RAM disk in macOS

Built-in

diskutil erasevolume HFS+ 'RAM Disk' `hdiutil attach -nobrowse -nomount ram://XXXXX`

where XXXXX is the size of the RAM disk in terms of memory blocks.

Notes:

dmrz / postgres_queries_and_commands.sql

Created September 13, 2020 12:31 — forked from rgreenjr/postgres_queries_and_commands.sql

Useful PostgreSQL Queries and Commands

	-- 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%'

dmrz / patch-edid.md

Created February 1, 2018 15:59 — forked from ejdyksen/patch-edid.md

A script to fix EDID problems on external monitors in Mac OS. Source: http://embdev.net/topic/284710

A script to fix EDID problems on external monitors in Mac OS.

Connect the problem monitor.
Download this script into your /System/Library/Displays/Overrides (note: this file is only writeable by root, so some commands require sudo).

dmrz / trim_enabler.sh

Created July 1, 2014 20:47 — forked from return1/trim_enabler.txt

	#
	# Original version by Grant Parnell is offline (http://digitaldj.net/2011/07/21/trim-enabler-for-lion/)
	# Update July 2014: no longer offline, see https://digitaldj.net/blog/2011/11/17/trim-enabler-for-os-x-lion-mountain-lion-mavericks/
	#
	# Looks for "Apple" string in HD kext, changes it to a wildcard match for anything
	#
	# Alternative to http://www.groths.org/trim-enabler-3-0-released/
	# Method behind this madness described: http://forums.macrumors.com/showthread.php?t=1409151&page=4
	# See discussion in comments here: https://www.macupdate.com/app/mac/39654/lion-tweaks
	# And here: http://forums.macrumors.com/showthread.php?t=1410459