Ying yingca1

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yingca1 / gpu_health_check.py

Last active July 4, 2022 12:12

	import torch
	torch.Tensor(1).cuda()
	print("hello world!")
	f = open("demofile2.txt", "a")
	f.write("Now the file has more content!")
	f.close()

yingca1 / AES.java

Created November 1, 2017 02:51

AES encrypt & decrypt in java and nodejs

	private static byte[] iv = "0000000000000000".getBytes();
	private static String decrypt(String encrypted, String seed)
	throws Exception {
	byte[] keyb = seed.getBytes("utf-8");
	MessageDigest md = MessageDigest.getInstance("SHA-256");
	byte[] thedigest = md.digest(keyb);
	SecretKeySpec skey = new SecretKeySpec(thedigest, "AES");
	Cipher dcipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
	dcipher.init(Cipher.DECRYPT_MODE, skey, new IvParameterSpec(iv));
	byte[] clearbyte = dcipher.doFinal(Base64.decode(encrypted, Base64.DEFAULT));

yingca1 / Makefile

Created May 10, 2017 07:44

Makefile for python project

	venv: venv/bin/activate
	venv/bin/activate: requirements.txt
	test -d venv \|\| virtualenv venv
	venv/bin/pip install -Ur requirements.txt
	touch venv/bin/activate

	clean: venv
	venv/bin/pip freeze \| grep -v -f requirements.txt - \| grep -v '^#' \| xargs venv/bin/pip uninstall -y

	freeze: venv

yingca1 / yc.zsh-theme

Created December 27, 2016 05:54

oh-my-zsh theme file

	# Clean, simple, compatible and meaningful.
	# Tested on Linux, Unix and Windows under ANSI colors.
	# It is recommended to use with a dark background and the font Inconsolata.
	# Colors: black, red, green, yellow, *blue, magenta, cyan, and white.

	# Machine name.
	local platform=`uname`
	local ipaddr=$HOST
	if [[ "$platform" == "Darwin" ]]; then
	ipaddr=$(ipconfig getifaddr en0)

yingca1 / dl.py

Created October 18, 2016 06:49

https://www.v2ex.com/t/313382#reply11

	import urllib.request
	import asyncio
	import json

	r = urllib.request.urlopen('https://raw.githubusercontent.com/spacelan/wechat-emoticon/master/emoticons.json').read().decode('utf8')
	json_obj = json.loads(r)

	@asyncio.coroutine
	def download(todo):
	urllib.request.urlretrieve(todo.get('url'), todo.get('md5') + '.gif')

yingca1 / android

Last active August 29, 2015 14:06

	# 批量装文件夹下apk
	for f in *.apk ; do adb install -r $f; done;

yingca1 / colors.xml

Created September 23, 2014 03:31

android

	<?xml version="1.0" encoding="utf-8" ?>
	<resources>
	<color name="white">#FFFFFF</color><!--白色 -->
	<color name="ivory">#FFFFF0</color><!--象牙色 -->
	<color name="lightyellow">#FFFFE0</color><!--亮黄色 -->
	<color name="yellow">#FFFF00</color><!--黄色 -->
	<color name="snow">#FFFAFA</color><!--雪白色 -->
	<color name="floralwhite">#FFFAF0</color><!--花白色 -->
	<color name="lemonchiffon">#FFFACD</color><!--柠檬绸色 -->
	<color name="cornsilk">#FFF8DC</color><!--米绸色 -->

yingca1 / macos

Last active August 29, 2015 14:04

mac command lines

	mac 硬盘测速
	time dd if=/dev/zero bs=1024k of=tstfile count=1024
	time dd if=tstfile bs=1024k of=/dev/null count=1024

	显示：defaults write com.apple.finder AppleShowAllFiles -bool true
	隐藏：defaults write com.apple.finder AppleShowAllFiles -bool false

yingca1 / logcat

Created July 11, 2014 12:23

logcat some common usage

adb logcat -b main -b radio -b events -v time>test.log

yingca1 / wifi

Created July 11, 2014 03:40

windows wifi hotpsot setup

	netsh wlan set hostednetwork mode=allow ssid="wifi hotspot name" key="wifi password"

	netsh wlan start hostednetwork