240 发简信
IP属地:上海
  • python: numpy to opencv

    ```import numpy as npimport cv2 #shape (480, 640, 3) Numpy ndarray matri...

    1.3 22 0 2
  • python: mnist-5

    ```import numpy as npimport matplotlib.pyplot as plt arr=np.array([[0, 0...

  • java: content-Type isnull

    http psot request has no content-tent and body is null

  • haproxy: http-request return

    For completeness, from version 2.2 you can return dynamic content like t...

  • haproxy: rewrite

    frontend wwwbind :80default_backend webserverserrorfiles myerrorshttp-re...

  • python: range

    range(stop) 0 stop-1range(start, stop):start stop-1range(b,e,step) start...

  • python: @,zip

    ```a @ bdot(a, b) a @= ba = dot(a, b) >>> a = [1,2,3]>>> b = [4,5,6]>>> ...

    0.9 27 0 2
  • python: img-xbit

    2^1色位图:2bit2^4色位图: 4bit2^8色位图: 8bit24位位图:24bit = RGB,R:8bit/G:8bit/B:8bit