Zhang Yang ExpandOcean

ExpandOcean / test.css

Created December 1, 2020 14:52

	.container {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	height: 100%;

	}
	.message1 {
	margin-left: auto; margin-right: auto;

ExpandOcean / Caddyfile

Created August 28, 2018 03:16

Reverse proxy a HTTPS django server with caddy

	xxxx.com {
	proxy / https://yyyy.com {
	header_upstream Referer https://yyyy.com
	}
	}

ExpandOcean / gist:683028dd14975186d275

Created March 19, 2015 02:40

static var in python's function

	def _update_avg_fps(self,dt,L=[20 for _ in range(30)]):
	L.pop(0)
	L.append(1.0/dt)
	self.avg_fps = sum(L) / 30.0

ExpandOcean / opencv_pyqt_camera.py

Created January 12, 2015 01:22

Operate a camera using opencv and pyqt

	# coding=utf-8
	import sys

	from PyQt4 import QtGui
	import cv
	from PyQt4 import QtCore


	class CameraDevice(QtCore.QObject):
	_DEFAULT_FPS = 30

ExpandOcean / kivy_cv.py

Created January 7, 2015 06:48

kivy and opencv work together demo

	# coding:utf-8
	from kivy.app import App
	from kivy.uix.image import Image
	from kivy.clock import Clock
	from kivy.graphics.texture import Texture
	import cv2


	class KivyCamera(Image):
	def __init__(self, capture, fps, **kwargs):

ExpandOcean / TCPEcho

Created July 25, 2014 08:54

socat -v tcp-l:9000,fork exec:'/bin/cat'

ExpandOcean / trace.c

Created June 25, 2014 07:50

Enable printf() with trace

	#define ITM_Port8(n) (((volatile unsigned char )(0xE0000000+4*n)))
	#define ITM_Port16(n) (((volatile unsigned short)(0xE0000000+4*n)))
	#define ITM_Port32(n) (((volatile unsigned long )(0xE0000000+4*n)))

	#define DEMCR (((volatile unsigned long )(0xE000EDFC)))
	#define TRCENA 0x01000000

	struct __FILE { int handle; /* Add whatever is needed */ };
	FILE __stdout;
	FILE __stdin;