ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

qtxie / windows_nanosleep.c

Created March 27, 2020 07:53 — forked from Youka/windows_nanosleep.c

Windows nanosleep

	#include <windows.h> /* WinAPI */

	/* Windows sleep in 100ns units */
	BOOLEAN nanosleep(LONGLONG ns){
	/* Declarations */
	HANDLE timer; /* Timer handle */
	LARGE_INTEGER li; /* Time defintion */
	/* Create timer */
	if(!(timer = CreateWaitableTimer(NULL, TRUE, NULL)))
	return FALSE;

qtxie / _readme_quarks.md

Created September 13, 2019 10:59 — forked from vurtun/_readme_quarks.md

Quarks: Graphical user interface

qtxie / webcam_capture.c

Created September 13, 2019 07:19 — forked from mmozeiko/webcam_capture.c

Capture webcam device with Media Foundation API

	#define COBJMACROS
	#define WIN32_LEAN_AND_MEAN
	#include <windows.h>
	#include <mfapi.h>
	#include <mfidl.h>
	#include <mfreadwrite.h>

	#include <stdio.h>
	#include <intrin.h>

qtxie / Of Mice and Men

Created March 22, 2017 07:03 — forked from svoisen/Of Mice and Men

Information on low-level scrolling events on Mac OS X

	From the WebKit documentation at:
	http://www.opensource.apple.com/source/WebKit/WebKit-7533.16/chromium/src/mac/WebInputEventFactory.mm

	// Of Mice and Men
	// ---------------
	//
	// There are three types of scroll data available on a scroll wheel CGEvent.
	// Apple's documentation ([1]) is rather vague in their differences, and not
	// terribly helpful in deciding which to use. This is what's really going on.
	//

qtxie / gist:67b382155c516b6af7b61a985880380e

Created November 10, 2016 23:30 — forked from Koze/gist:10550725

List of monospace font

	// UIFontDescriptor on iOS 7 or later

	NSDictionary *traitsAttributes = @{UIFontSymbolicTrait: @(UIFontDescriptorTraitMonoSpace)};
	NSDictionary *fontAttributes = @{UIFontDescriptorTraitsAttribute: traitsAttributes};
	UIFontDescriptor *fontDescriptor = [UIFontDescriptor fontDescriptorWithFontAttributes:fontAttributes];
	NSArray *array = [fontDescriptor matchingFontDescriptorsWithMandatoryKeys:nil];
	for (UIFontDescriptor *descriptor in array) {
	NSLog(@"%@", descriptor.postscriptName);
	// NSLog(@"%@", [descriptor objectForKey:UIFontDescriptorNameAttribute]);
	// NSLog(@"%@", [descriptor objectForKey:UIFontDescriptorVisibleNameAttribute]);

qtxie / irq_balance_habrahabr.sh

Created October 24, 2016 04:18 — forked from pavel-odintsov/irq_balance_habrahabr.sh

irq_balance_habrahabr.sh

	#!/bin/bash

	# from http://habrahabr.ru/post/108240/
	ncpus=`grep -ciw ^processor /proc/cpuinfo`
	test "$ncpus" -gt 1 \|\| exit 1

	n=0
	for irq in `cat /proc/interrupts \| grep eth \| awk '{print $1}' \| sed s/\://g`
	do
	f="/proc/irq/$irq/smp_affinity"

qtxie / latency.markdown

Created October 8, 2016 23:15 — forked from hellerbarde/latency.markdown

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

qtxie / JSON.red

Last active October 6, 2016 22:39 — forked from dockimbel/JSON.red

JSON toy parser for Red

	Red [
	Title: "JSON parser"
	File: %json.red
	Author: "Nenad Rakocevic, Qingtian Xie"
	License: "BSD-3 - https://github.com/red/red/blob/master/BSD-3-License.txt"
	]

	json: context [
	quoted-char: charset {"\/bfnrt}
	exponent: charset "eE"

qtxie / gameoflife2.red

Last active September 30, 2016 07:35 — forked from Mufferaw/gameoflife2.red

	system/view/auto-sync?: no

	grid: collect [repeat i 50 [keep/only collect [repeat j 50 [keep random true]]]]
	scratchgrid: collect [repeat i 50 [keep/only collect [repeat j 50 [keep false]]]]

	a: copy grid/1
	b: copy grid/50
	c: collect [keep/only b keep grid keep/only a]

	count-neighbors: function [gridd x y][

Qingtian qtxie

ANSI Escape Sequences

Latency numbers every programmer should know