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cosven /
Last active Dec 17, 2018
#!/usr/bin/env python
# -*- coding: utf-8 -*-
pip install beautifulsoup4
cosven / .dir-locals.el
Last active Nov 21, 2018
Emasc Python 项目 .dir-locals.el 示例
View .dir-locals.el
;; 激活 pyvenv-mode,也可以自己在 init.el 中默认激活
(eval . (pyvenv-mode))
;; 这个要写绝对路径
(pyvenv-activate . "/Users/cosven/projectpath/.venv")
;; 默认 select python-pylint 这个 checker
cosven /
Last active Oct 2, 2018
how gevent works?
# gevent from the ground up - demo 1
import selectors
import socket
import time
from urllib.parse import urlparse
sel = selectors.DefaultSelector()
cosven / nginx.conf
Last active Aug 22, 2018
Django 项目部署示例
View nginx.conf
server {
listen 80;
# path for static files
location /static/ {
root /data/static;
cosven /
Created Aug 3, 2018
从网页端控制 feeluown 示例
- pip3 install flask # 安装依赖
- python3 # 启动网页,在浏览器
import socket
from flask import Flask, request
cosven / fonts.conf
Created Jul 17, 2018
KDE 下 fonts.conf 配置示例,有两个效果:让 chromium 正确的显示中文字体;konsole 正确的显示中文字体,并且支持显示 Emoji
View fonts.conf
<?xml version="1.0"?><!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<!-- <dir>~/.fonts</dir> -->
<family>Noto Serif CJK SC</family>
<family>Noto Color Emoji</family>
cosven /
Created Jun 30, 2018
feeluown 项目一些废弃代码
def contextMenuEvent(self, event):
menu = QMenu()
index = self.indexAt(event.pos())
song = self.model().data(index, Qt.UserRole)
if song.album:
show_album_action = QAction('专辑:{}'.format(, menu)
partial(self.show_album_needed.emit, song.
cosven /
Created Apr 27, 2018
leetcode subtree visualization
import random
from graphviz import Digraph
# Definition for a binary tree node.
class TreeNode(object):
def __init__(self, x):
self.val = x
self.left = None
cosven /
Last active Nov 2, 2017
learning asyncio in practice
# server made with asyncio
# flake8: noqa
import asyncio
from socket import (socket, AF_INET, SOCK_STREAM, SO_REUSEADDR, SOL_SOCKET)
async def start_server(sock):
server = await loop.create_server(asyncio.Protocol, sock=sock)
cosven /
Created Aug 16, 2017
tranditional model definition ways in python
there are three typical ways to define a model in python.
# ---------------------------------------------------
# use namedtuple: simple but not flexible or powerful
# ---------------------------------------------------
from collections import namedtuple
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