GaryLee

# Refer to https://stackoverflow.com/questions/48343669/how-to-install-python-packages-over-ssh-port-forwarding.

# Login to server via following ssh command. Your computer must have permission to connect to PIP server directly.
ssh -R 9999 username@server.host.name

# After login to your server.host.name. Use following command to install proxy package.
pip install package_name --proxy socks5h:127.0.0.1:9999

# The apt and yum can work with this tunnel by setting proxy.
# Add following line in /etc/yum.conf

GaryLee

import numpy as np

def linear_regression(x, y):
    """The input are x and y for 2D"""
    assert isinstance(x, np.ndarray)
    assert isinstance(y, np.ndarray)
    w = np.sum((y - np.average(y)) * x) / np.sum((x - np.average(x))**2)
    b = np.average(y) - w * np.average(x)
    return w, b

GaryLee

def parse_verilog_number(s):
    """Parse a verilog number literal to the tuple (sign, bits, base, value).
    sign: 1 for postive, -1 for negative.
    bits: The bits token in the number literal.
    base: The base of number(2, 10 or 16).
    value: The value token.
    """
    base_token = {'b': 2, 'd': 10, 'h': 16}
    pattern = re.compile(r"""(?P<sign>[\-\+])?(?P<define>\`)?(?P<bits>[\w]+)?\'((?P<base2>[bB])(?P<value2>[01]+)|(?P<base10>[dD])(?P<value10>\d+)|(?P<base16>[hH])(?P<value16>[0-9a-fA-F]+)|(?P<value>\d+))""")
    m = pattern.match(s)

GaryLee

#!/bin/sh

# -delete flag will delete unmatched files and folder on target.
#DELETE_FLAG=-delete
DELETE_FLAG=

# The rsync flags
# -a, --archive              
#     This is equivalent to -rlptgoD. It is a quick way of saying you want recursion and want to preserve almost
#     everything (with -H being a notable omission).

GaryLee

from collections.abc import Sequence

def flatten(x):
    """Flatten given parameter recursively."""
    if isinstance(x, Sequence):
        for v in x:
            yield from flatten(v)
    else:
        yield x
        

GaryLee

#!python
# coding: utf-8

import sys
import zlib
import base64
import xml.etree.ElementTree as ET
from urllib.parse import unquote

def decode_drawio(filename):

GaryLee

#!python
# Provide a serial of postfix unit symbol.

class UnitScaleOp:
    def __init__(self, scale, desc=None):
        self.scale = scale
        self.desc = desc

    def __rmatmul__(self, value):
        return value * self.scale

GaryLee

#!python
# coding: utf-8
'''Parse drawio file and generate command lines for export figures with drawio app.'''
import click
import re
import platform
from cmdlet.cmds import *

DRAWIO_BIN = {
    'Windows': r'draw.io.exe',

GaryLee

#!python
# coding: utf-8

import sys
import os
from mako.template import Template
yml_content = r'''site_name: "${site_name}"

nav:
  - ${index_page_name}: ${index_filename}.md

GaryLee

#!python
# coding: utf-8

import numpy as np

def generate_clock(freq, time=10.0, phase=0.0, amplitude=1.0, duty=.5, resolution=10):
    """Generate clock.
    
    Parameters
    ----------