大约有 5,685 项符合查询结果(耗时:0.0193秒) [XML]

https://stackoverflow.com/ques... 

Difference between map, applymap and apply methods in Pandas

... Straight from Wes McKinney's Python for Data Analysis book, pg. 132 (I highly recommended this book): Another frequent operation is applying a function on 1D arrays to each column or row. DataFrame’s apply method does exactly this: In [116]: fram...
https://stackoverflow.com/ques... 

Why are empty catch blocks a bad idea? [closed]

... There are rare instances where it can be justified. In Python you often see this kind of construction: try: result = foo() except ValueError: result = None So it might be OK (depending on your application) to do: result = bar() if result == None: try: resu...
https://stackoverflow.com/ques... 

figure of imshow() is too small

... I'm new to python too. Here is something that looks like will do what you want to axes([0.08, 0.08, 0.94-0.08, 0.94-0.08]) #[left, bottom, width, height] axis('scaled')` I believe this decides the size of the canvas. ...
https://stackoverflow.com/ques... 

Passing base64 encoded strings in URL

...you to change the charset to match URLs better or even come with one (like Python's urlsafe_b64encode()). Another issue you may be facing is the limit of URL length or rather — lack of such limit. Because standards do not specify any maximum length, browsers, servers, libraries and other software...
https://stackoverflow.com/ques... 

Django, creating a custom 500/404 error page

...in your urls.py file and point the exported Django variables to the string Python path of where these Django functional views are defined, like so: # project/urls.py handler404 = 'my_app.views.handler404' handler500 = 'my_app.views.handler500' Update for Django 2.0 Signatures for handler views ...
https://stackoverflow.com/ques... 

What is the correct way to get a subarray in Scala?

.... What I would like the most would be something like how you can do it in python: 3 Answers ...
https://stackoverflow.com/ques... 

Does Django scale? [closed]

... 200TB of Code and 2.500.000 Users Disqus: Serving 400 million people with Python. curse.com: 600k daily visits. tabblo.com: 44k daily visits, see Ned Batchelder's posts Infrastructure for modern web sites. chesspark.com: Alexa rank about 179k. pownce.com (no longer active): alexa rank about 65k. Mi...
https://stackoverflow.com/ques... 

How to convert IPython notebooks to PDF and HTML?

I want to convert my ipython-notebooks to print them, or simply send them in html format. I have noticed that there exists a tool to do that already, nbconvert . Although I have downloaded it, I have no idea how to convert the notebook, with nbconvert2.py since nbconvert says that it is deprecated....
https://stackoverflow.com/ques... 

Use logging print the output of pprint

...ging.DEBUG):" to avoid running pformat when you won't use its output: docs.python.org/2/library/… – Ed Brannin Aug 13 '13 at 16:58 2 ...
https://stackoverflow.com/ques... 

How do I use the lines of a file as arguments of a command?

...ed content into an eval-safe form: quoted_list() { ## Works with either Python 2.x or 3.x python -c ' import sys, pipes, shlex quote = pipes.quote if hasattr(pipes, "quote") else shlex.quote print(" ".join([quote(s) for s in sys.stdin.read().split("\0")][:-1])) ' } eval "set -- $(quoted_list...