时时除草，时时耕耘

yum install libSM-1.2.2-2.el7.x86_64 --setopt=protected_multilib=false yum install libXrender-0.9.10-1.el7.x86_64 --setopt=protected_multilib=false yum install libXext.x86_64--setopt=protected_multilib=false

问题复现 本地新建request.Session, 多线程打开url并发较高时, 出现以下报错: requests.packages.urllib3.connectionpool:Connection pool is full, discarding connection 测试代码 def test_pool_max_size(): # 测试 pool_maxsize 对多线...

pstree apt-get install psmisc iftop 查看网络流量 apt-get install iftop strace 查看系统调用 apt-get install strace gdb python查看调用栈 apt-get install gdb python2.7-dbg https://github.com/python/cpython/blob/master/To...

import numpy as np import matplotlib.pyplot as plt def mandelbrot( h,w, maxit=5 ): """Returns an image of the Mandelbrot fractal of size (h,w).""" y,x = np.ogrid[ -1.4:1.4:h*1j, -2:0.8:w*1j ]...