Recent questions tagged python

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python - Is there a more elegant way for unpacking keys and values of a dictionary into two lists, without losing consistence?

What I came up with is: keys, values = zip(*[(key, value) for (key, value) in my_dict.iteritems()]) ... satisfied. What do the pythonistas say? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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228 views

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python - ImportError: Could not find 'cudart64_100.dll

I'm trying to install tensorflow-gpu==2.0.0-beta1 on my Windows 10 machine and got this error: ImportError: ... occurs How can I fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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538 views

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python - matplotlib: limits when using plot and imshow in same axes

I've been trying to plot an ellipse into an imshow plot. It works, but plotting the ellipse after plotting the ... , scalex=False, scaley=False) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - flask handle form with radio buttons

My index.html looks like this <form name="myForm" action="" method="post" onsubmit=""> <p> <input type=" ... simplest way to handle this form ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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760 views

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python - Can I use multiple cursors on one connection with pyodbc and MS SQL Server?

I'm using pyodbc on python 2.6 to connect to Microsoft SQL Server 2005. I open a connection, create a ... connections to the same database? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

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python - Why can't pass *args and **kwargs in __init__ of a child class

To understand *args and **kwargs I made some searchs about, when I fell on this question *args and ** ... wouldn't in real life production? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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163 views

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python 3.x - Pandas filter data frame rows by function

I want to filter a data frame by more complex function based on different values in the row. Is there a possibility ... 24 89 11 Cathrine 24 77 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

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python - Why does re.sub replace the entire pattern, not just a capturing group within it?

re.sub('a(b)','d','abc') yields dc, not adc. Why does re.sub replace the entire capturing group, instead of just capturing group'(b)'? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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178 views

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python - How to read config from string or list?

Is it possible to read the configuration for ConfigParser from a string or list? Without any kind of temporary ... similar solution for this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

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python - How can I speed up unpickling large objects if I have plenty of RAM?

It's taking me up to an hour to read a 1-gigabyte NetworkX graph data structure using cPickle (its 1- ... buried in the pickle implementation. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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133 views

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python - Making an object x such that "x in [x]" returns False

If we make a pathological potato like this: >>> class Potato: ... def __eq__(self, other): .. ... short-circuiting on identity comparisons? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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725 views

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python - Matplotlib colorbar ticks on left/opposite side

One could generate a vertical colorbar like so(simplified): import matplotlib.pyplot as plt import matplotlib as mpl ... on the opposite side? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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python - Matplotlib: set axis tight only to x or y axis

I have a plot look like this: Obviously, the left and right side is a waste of space, so I set plt.axis ... this is not a very elegant solution. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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703 views

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python - AttributeError: module 'attr' has no attribute 's'

>>> import attr >>> @attr.s ... class SmartClass(object): ... a=attr.ib() ... b=attr.ib() ... ... it shows an error in the implementation part. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

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python - How to keep selections highlighted in a tkinter Listbox?

I have 2 separated List-boxes set on single selection mode. When I select an item from listboxA, it gets ... can I keep both highlighted? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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813 views

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python - Restrict django FloatField to 2 decimal places

I am looking for a way to limit the FloatField in Django to 2 decimal places has anyone got a clue of ... must only work within DecimalFields. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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493 views

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python - I continuously receive `Invalid HTTP_HOST header` error email after I upgrade my django site from http to https

Recently, I upgrade one of my django sites from http to https. However, after that, I continuously receive Invalid ... could I solve this issue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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228 views

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python - Accessing a dict by variable in Django templates?

My view code looks basically like this: context = Context() context['my_dict'] = {'a': 4, 'b': 8, 'c': ... Is there any way to work around this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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127 views

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python - Why avoid while loops?

I'm about 2 weeks deep in my study of Python as an introductory language. I've hit a point in Zed's ... it just to avoid escape-less infinites? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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148 views

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python - Opening pdf file

I wanna open pdf file from python console, I can do it with os.system(filename), it will open in adobe ... that won't open command prompt? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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239 views

1 answer

python - Hide external modules when importing a module (e.g. regarding code-completion)

I have several modules in one package (a kind of a toolkit), which I use in my projects. The structure looks like ... is it the way to do it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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217 views

1 answer

python - deleting entries in a dictionary based on a condition

I have a dictionary with names as key and (age, Date of Birth) tuple as the value for those keys. E.g. ... ][0] where dict is my dictionary. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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923 views

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python - xlsx and xlsm files return badzipfile: file is not a zip file

I'm trying to open both an xlsx file and an xlsm file both give me the same error badzipfile: file is not a ... . why am I getting this error? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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279 views

1 answer

python - Add padding to images to get them into the same shape

l have a set of images of different sizes (45,50,3), (69,34,3), (34,98,3). l want to add padding to ... images will get the shape of (69,98,3) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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544 views

1 answer

python - There is a class matplotlib.axes.AxesSubplot, but the module matplotlib.axes has no attribute AxesSubplot

The code import matplotlib.pyplot as plt fig = plt.figure() ax = fig.add_subplot(111) print type(ax) gives the output ... 1.0 and Python 2.7.3. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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392 views

1 answer

python - No handles with labels found to put in legend

I'm trying to create a parallelogram in PyPlot. I'm not up to drawing the parallelogram--first I'm putting in ... it's just missing the legend. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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890 views

1 answer

python - Writing multi-line strings into cells using openpyxl

I'm trying to write data into a cell, which has multiple line breaks (I believe ), the resulting .xlsx has ... way to keep these line breaks? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

1 answer

python - Missing scheme in request URL

I've been stuck on this bug for a while, the following error message is as follows: File "C:Python27libsite- ... the scheme is clearly defined. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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