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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...站) https://www.haproxy.org/download/1.8/src/haproxy-1.8.14.tar.gz (下载地址) http://cbonte.github.io/haproxy-dconv/1.8/configuration.html (文档Haproxy 1.8 文档) HAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代理,支持虚拟主机,它是免费、...
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How to generate keyboard events in Python?

... For both python3 and python2 you can use pyautogui (pip install pyautogui) from pyautogui import press, typewrite, hotkey press('a') typewrite('quick brown fox') hotkey('ctrl', 'w') It's also crossplatform with Windows, OSX, and U...
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Coroutine vs Continuation vs Generator

... @cdunn2001: (comment by Winston) Python3.3 introduced the "yield from" expression which let you yield from sub-generator. – Linus Caldwell Nov 23 '13 at 12:58 ...
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How to extract the decision rules from scikit-learn decision-tree?

... @Josiah, add () to the print statements to make it work in python3. e.g. print "bla" => print("bla") – Nir Apr 26 at 19:24 ...
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Instance variables vs. class variables in Python

...y to make them yourself with python -mtimeit -- but having just done so in python3.4 I note that accessing an int class variable is actually about 5 to 11 nanoseconds faster than the same as instance variable on my old workstation -- not sure what codepath makes it so. – Alex M...
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When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]

...idely accepted and default async framework which works both on python2 and python3. Also the latest version 4.x brings a lot of functionality from https://docs.python.org/dev/library/asyncio.html. I wrote an article, explaining why I consider that Tornado - the best Python web framework where I wro...
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

...s is my result: The Python code(Python 3.5 + OpenCV 3.3): #!/usr/bin/python3 # 2017.12.20 10:47:28 CST # 2017.12.20 11:29:30 CST import cv2 import numpy as np ##(1) read into bgr-space img = cv2.imread("test2.jpg") ##(2) convert to hsv-space, then split the channels hsv = cv2.cvtColor(img,...
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Enable access control on simple HTTP server

... HTTPServer from the http.server module to run the server: #!/usr/bin/env python3 from http.server import HTTPServer, SimpleHTTPRequestHandler, test import sys class CORSRequestHandler (SimpleHTTPRequestHandler): def end_headers (self): self.send_header('Access-Control-Allow-Origin', '...
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C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

...l.cpp 和主模块两个文件中——生成工程没有链接错误。去下载源代码自己尝试一下吧。 如果你正在为其他开发人员写模板库,extern 方式会很不爽,因为你必须创建一个带目标模块的链接库(lib),它包含有特化。如果你已经有...
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multiprocessing.Pool: When to use apply, apply_async or map?

...ply: apply(f,args,kwargs) apply still exists in Python2.7 though not in Python3, and is generally not used anymore. Nowadays, f(*args,**kwargs) is preferred. The multiprocessing.Pool modules tries to provide a similar interface. Pool.apply is like Python apply, except that the function call ...