小编Dan*_*ang的帖子

我是F#的新手,想知道F#中是否有类似Python中的模板字符串.所以我可以简单地做一些事情:

    >>> d = dict(who='tim', what='car')
    >>> Template('$who likes $what').substitute(d)
    'tim likes car'

我是matplotlib的新手.我的环境是WinXP,PythonWin 2.6.2,NumPy 1.3.0,matplotlib 0.98.5.3.

>>> import matplotlib.pylab as pylab
Traceback (most recent call last):
  File "<interactive input>", line 1, in <module>
  File "D:\Python26\lib\site-packages\matplotlib\pylab.py", line 253, in <module>
    from matplotlib.pyplot import *
  File "D:\Python26\lib\site-packages\matplotlib\pyplot.py", line 75, in <module>
    new_figure_manager, draw_if_interactive, show = pylab_setup()
  File "D:\Python26\lib\site-packages\matplotlib\backends\__init__.py", line 25, in pylab_setup
    globals(),locals(),[backend_name])
  File "D:\Python26\lib\site-packages\matplotlib\backends\backend_tkagg.py", line 8, in <module>
    import tkagg                 # Paint image to Tk photo blitter extension
  File "D:\Python26\lib\site-packages\matplotlib\backends\tkagg.py", line 1, in <module>
    import _tkagg
ImportError: DLL load failed: cannot find the …