David C kccheung

🎯

Focusing

Software Engineer who loves cats, cichlids and the orange coin

kccheung / bitmex-liquidation-calculator.py

Created April 11, 2023 09:08 — forked from highfestiva/bitmex-liquidation-calculator.py

cli bitmex liquidation calculation formula, minimal implementation

	#!/usr/bin/env python3

	import argparse
	from math import ceil, floor


	sign = lambda amt: -1 if amt<0 else (1 if amt>0 else 0)


	class dobj:

kccheung / autossh-jump-rtunnel.service

Created October 25, 2019 04:40 — forked from ntrepid8/autossh-jump-rtunnel.service

AutoSSH reverse tunnel service config for systemd

	[Unit]
	Description=AutoSSH reverse tunnel service for jump.you.io 100022 -> 22
	After=network.target

	[Service]
	Environment="AUTOSSH_GATETIME=0"
	ExecStart=/usr/bin/autossh -M 0 -o "ExitOnForwardFailure=yes" -o "ServerAliveInterval 30" -o "ServerAliveCountMax 3" -NR 10022:127.0.0.1:22 [email protected] -i /home/root/.ssh/id_rsa

	[Install]
	WantedBy=multi-user.target

kccheung / pybybit.py

Created August 27, 2019 10:02 — forked from MtkN1/pybybit.py

	import hashlib
	import hmac
	import json
	import time
	import urllib.parse
	from threading import Thread
	from collections import deque

	from requests import Request, Session
	from requests.exceptions import HTTPError

kccheung / fork-helper.py

Created May 11, 2018 05:43 — forked from ottosch/fork-helper.py

A script to help using ymgve's bitcoin_fork_claimer script

	#!/usr/bin/env python

	# This script is meant to be used with bitcoin_fork_claimer: https://github.com/ymgve/bitcoin_fork_claimer
	# The outputs of this script are the inputs to that script.
	# Python 2.x is required

	import urllib2
	import json
	import sys

kccheung / pyscript.py

Created April 30, 2018 03:04 — forked from n8henrie/pyscript.py

Python script template

	#!/usr/bin/env python3
	# -- coding: utf-8 --
	"""pyscript.py
	A simple python script template.
	http://ajminich.com/2013/08/01/10-things-i-wish-every-python-script-did/
	"""

	import argparse

kccheung / .vimrc

Last active July 10, 2017 07:48 — forked from simonista/.vimrc

A basic .vimrc file that will serve as a good template on which to build.

	" Don't try to be vi compatible
	set nocompatible

	" Helps force plugins to load correctly when it is turned back on below
	filetype off

	" TODO: Load plugins here (pathogen or vundle)

	" Turn on syntax highlighting
	syntax on

kccheung / gist:74ff6d287ee6a32677b188fda593eac0

Created May 7, 2017 07:53 — forked from gdavis/gist:6670468

Xcode Build Variables List. Adopted from: http://stackoverflow.com/questions/6910901/canonical-list-of-xcode-environment-variables

	ACTION = build
	AD_HOC_CODE_SIGNING_ALLOWED = NO
	ALTERNATE_GROUP = staff
	ALTERNATE_MODE = u+w,go-w,a+rX
	ALTERNATE_OWNER = grantdavis
	ALWAYS_SEARCH_USER_PATHS = NO
	ALWAYS_USE_SEPARATE_HEADERMAPS = YES
	APPLE_INTERNAL_DEVELOPER_DIR = /AppleInternal/Developer
	APPLE_INTERNAL_DIR = /AppleInternal
	APPLE_INTERNAL_DOCUMENTATION_DIR = /AppleInternal/Documentation

kccheung / replace_node_modules_gradle_versions.sh

Last active April 29, 2017 04:57 — forked from hktonylee/replace_node_modules_buildToolsVersion.sh

replace_node_modules_buildToolsVersion.sh

	#!/usr/bin/env bash
	targetVersion="$1"

	if [ "$1" == "" ]; then
	echo "Usage: $0 <buildToolsVersion>";
	else
	find \
	node_modules \
	-type f \
	-iname 'build.gradle' \

kccheung / INSTRUCTIONS_MOBX.md

Last active March 12, 2017 08:14 — forked from darklight721/INSTRUCTIONS.md

Using MobX with decorators in React Native

The following instructions should work with React Native v0.32:

Install mobx libraries.

npm install mobx --save
npm install mobx-react --save

kccheung / http_table.md

Created February 26, 2017 09:41 — forked from bexp/http_table.md

http lib	connect timeout (ms)	read timeout	write timeout	concurrency
`OkHttp, retrofit, picasso`	10,000	10,000	10,000	64 total, 5 per host
`Volley`	2,500	2,500	2,500	4
`HttpUrlConnection`	up to few minutes	up to few minutes	n/a	5