Recent questions tagged Python

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python - Remove transparency/alpha from any image using PIL

How do I replace the alpha channel of any image (png, jpg, rgb, rbga) with specified background color? It must ... do not have an alpha channel. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Is it safe to modify the output of globals()?

The documentation for the locals() function specifically warns not to modify its output, as interpreters may not reflect ... I'm working on. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to define format when using pandas to_datetime?

I want to plot RESULT vs TIME based on a testresult.csv file that has following format, and I have trouble to get ... '%m/%d%Y %-I%M%S %p'" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Iterating over two lists one after another

I have two lists list1 and list2 of numbers, and I want to iterate over them with the same instructions. Like ... do that without loose time? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How do I select elements inside an iframe with Xpath?

I want to create a Selenium test to test our extensions with AOL mail. I managed to login to AOL and compose ... any other way with Selenium)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Adding Values From Tuples of Same Length

In a graphical program I'm writing using pygame I use a tuple representing a coordinate like this: (50, ... previous method even more tiresome. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - ManagementForm data is missing or has been tampered with

I am trying to create a formset to save records in a go. But, I keep getting the error when I submit ... __unicode__(self): return self.pkgno See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - A way to subclass NamedTuple for purposes of typechecking

I have several namedtuples that share some fields. I have a function that accepts these tuples and is guaranteed to ... I just abandon the idea? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Treat binary data as a file object?

In this code snippet (authored by another person), self.archive is a path to a large file and raw_file is the ... first). Can this be done? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - beautiful soup just get the value inside the tag

The following command: volume = soup.findAll("span", {"id": "volume"})[0] gives: <span class="gr_text1" id=" ... How do I get just the number? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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167 views

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python - Run all Tests in Directory Using Nose

I need to be able to run all tests in the current directory by typing one line in the Linux shell. In some ... -- Ran 23 tests in 0.003s See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - What's the difference between Model.id and Model.pk in django?

I saw the django documents use both sometimes? Are they identical? What's the difference and where is the ... the methods of its classes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - TypeError: unsupported operand type(s) for -: 'list' and 'list'

I am trying to implement the Naive Gauss and getting the unsupported operand type error on execution. Output: execfile(filename, ... ,[[6],[7]]) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to generate dynamic urls in flask?

I have several records in the database which I Want to form URLs like so: mysite.com/post/todays-post-will-be- ... could pull this off in flask? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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225 views

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python - How to check last digit of number

Is there a way to get the last digit of a number. I am trying to find variables that end with "1" like ... missed. Thanks so much in advance... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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902 views

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python 2.7 - ImportError: No module named xlsxwriter

I recently downloaded the xlsxwriter version 0.6.4 and installed it on my computer. It correctly added it to my ... issue? Thanks for the help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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177 views

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python - Django POST URL error

I am trying to make a REST Api in Django by outputting Json. I am having problems if i make a POST request ... html I am new to django though. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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138 views

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python - Django templates: create a "back" link?

I'm tooling around with Django and I'm wondering if there is a simple way to create a "back" link ... anything that mentions this explicitly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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176 views

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python - class is not defined despite being imported

I'm trying to brush up on my python skills, and I'm dicking around with writing classes but I seem to ... Any help would be much appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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514 views

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python - How to create a shapely Polygon from a list of shapely Points?

I want to create a polygon from shapely points. from shapely import geometry p1 = geometry.Point(0,0) p2 ... Polygon from shapely Point objects? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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117 views

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python - Get browser version using selenium webdriver

How would I get the browser version being used? >>> from selenium import webdriver >>> driver = webdriver.Firefox() ... to do this? Firefox 12.0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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120 views

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python - How to filter numpy array by list of indices?

I have a numpy array, filtered__rows, comprised of LAS data [x, y, z, intensity, classification]. I ... the list returned by query_ball_point? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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378 views

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python - List of pylint human readable message ids?

Recent versions of pylint allow for suppressing messages with human readable message ids. For example, instead of class ... I find that list? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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129 views

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python - How to remove a field from the parent Form in a subclass?

class LoginForm(forms.Form): nickname = forms.CharField(max_length=100) username = forms.CharField(max_length=100) ... exclude doesn't work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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243 views

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python - Why is this loop faster than a dictionary comprehension for creating a dictionary?

I don't come from a software/computer science background but I love to code in Python and can generally understand why ... 16.4 ns per loop See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

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python - set very low values to zero in numpy

In numpy I have an array like [0 + 0.5j, 0.25 + 1.2352444e-24j, 0.25+ 0j, 2.46519033e-32 + 0j] ... 0 + 0j] efficiency is not the paramount. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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171 views

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python - How can I limit the maximum running time for a unit test?

I am currently running some unit tests that might either take a long time before failing or run indefinitely. In ... a certain amount of time? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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165 views

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python - Is PyPI case sensitive?

How does PyPI handle case sensitivity? For example, this SO question documents PyPI refusing a new package ... -sensitivity documented anywhere? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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