Recent questions tagged Python

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python requests POST with header and parameters

I have a post request which I am trying to send using requests in python. But I get an invalid 403 error. ... help_count":"141","status":true} 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 - my jupyter notebook fails to import anaconda modules consistently

I can't get my jupyter notebook properly import any modules. The weird thing is, I am able to import numpy ... to build the C extensions first. 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 - Why are the lookup procedures for getting an attribute from a class and from an instance different?

Python in a Nutshell describes the lookup procedures when getting an attribute. The book distinguishes two cases ... an instance different? 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 - Convert SQL to SQL alchemy

I am new to Flask SQl alchemy; Though i understand that alchemy abstracts the sql syntax and makes things easy while ... ') as adc from dual;` 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 - How to implement "next" for a dictionary object to be iterable?

I've got the following wrapper for a dictionary: class MyDict: def __init__(self): self.container = {} def ... Any advice would be appreciated. See Question&Answers more detail:os...

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

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451 views

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python - Check if a list contains incrementing elements starting from zero

I want to check if a list contains incrementing elements, incremented by one each and starting with 0. So, e.g. ... ? Maybe a built-in function? 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 2.7 - Saving and recovering values of variables between executions

I have a Python module that is operating as a server for a wireless handheld computer. Every time the handheld ... ) globals().update(tempDict) 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 - Creating a Click.Option with prompt that shows only if default value is empty

Given the following option: @cli.command() @click.option('--param', default=lambda: get_value(), prompt="Enter ... move to the next 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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python 2.7 - how to get formula result in excel using xlwings

What i want to do is 1)get a folmula result in excel and 2)update the values to the existing excel file ... fold_merge_data['Venn diagram'][:10] 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 - How to obtain Contract Details from the Interactive Brokers API?

Following the Interactive Brokers documentation I am trying to obtain the contract details using the below code: from ... on the correct line. See Question&Answers more detail:os...

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

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903 views

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python - Show dates on seaborn heatmap

I am trying to create a heat map from pandas dataframe using seaborn library. Here, is the code: test_df = pd ... nothing printed on the x-axis. See Question&Answers more detail:os...

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

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663 views

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python - Django - adding google recaptcha v2 to login form

I'm triying to add Recaptcha to my login form in Django. I tried different libraries but none of them seems ... some help? Thanks in advance! 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 - commands in tkinter when to use lambda and callbacks

I'm confused as to the difference between using a function in commands of tkinter items. say I have self.mb_BO. ... I am still just as confused. See Question&Answers more detail:os...

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

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591 views

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python - Call a Flask function every few minutes

On my HTML page I've got a span that gets the value of the function getStatus(): <span id=" ... getStatus without reloading the whole page? See Question&Answers more detail:os...

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

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1.3k views

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python - Running setup.py install for fbprophet ... error

I cannot install fbprophet or gcc7. I have manually installed a precompiled ephem. Running setup.py install for ... am using windows 10. See Question&Answers more detail:os...

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

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352 views

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python - Pandas: ignore all lines following a specific string when reading a file into a DataFrame

I have a pandas DataFrame which can be summarized as this: [Header] Some_info = some_info [Data] Col1 Col2 0. ... there's no other 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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python - ValueError: Cannot have number of splits n_splits=3 greater than the number of samples: 1

I am trying this training modeling using train_test_split and a decision tree regressor: import sklearn from sklearn. ... 7041 11422 343 2564 See Question&Answers more detail:os...

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

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373 views

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python - google app engine - how to add lib folder?

I keep getting ImportError: No module named twitter when it's in my lib module Details: the twitter module is located ... , nice try." Now what? See Question&Answers more detail:os...

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

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377 views

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python copy.deepcopy lists seems shallow

I am trying to initialize a list of lists representing a 3x3 array: import copy m = copy.deepcopy(3*[3*[0] ... 't deepcopy supposed to be deep? See Question&Answers more detail:os...

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

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351 views

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python - How to merge two dataframe with column in overlapping datetime range

Following on from this question How to join two dataframes for which column values are within a certain range?. But ... me? Thanks in advance. See Question&Answers more detail:os...

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

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490 views

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python colormap quantisation (matplotlib)

I have the following colormap in Python which maps each value to a color. But my question: How can I quantize ... .jet(norm(value),bytes=True) See Question&Answers more detail:os...

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

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586 views

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python - Django Model: ValueError: Missing staticfiles manifest entry for "file_name.ext"

Before you mark it as duplicate, I have read ValueError: Missing staticfiles manifest entry for 'favicon.ico' , ... me why this is happening? See Question&Answers more detail:os...

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

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344 views

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python - Django Tastypie not Updating Resource with ManyToManyField

Why doesn't my resource with a ManyToManyField update with this PUT request? curl --dump-header - -H ... on my ManyToMany relationship. See Question&Answers more detail:os...

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

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297 views

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python - Convert pandas dataframe to list of tuples - ('Row', 'Column', Value)

There are a few other questions regarding the same subject, but the format desired is different in all. I ... and building it manually? See Question&Answers more detail:os...

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

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658 views

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python - How to create random graph where each node has at least 1 edge using Networkx

I've managed to create a random undirected weighted graph for testing with Dijkstra's algorithm, but how can I make ... has at least one edge? See Question&Answers more detail:os...

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

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307 views

1 answer

python - Using Queue with tkinter (and threading)

I have a script in Python 3 and I'm trying to make a GUI for it using tkinter. Here is a complete example of ... them and do it in a wrong way. See Question&Answers more detail:os...

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

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329 views

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python - How could I save data after closing my program?

I am currently working on a phone book directory using dictionaries. I didn't know any way to save the ... ","wb")) print Information See Question&Answers more detail:os...

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

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276 views

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python - Why does ReplaceFile fail with ERROR_SHARING_VIOLATION?

While the documentation is vague, based on this question and comments and this answer, I expected that ReplaceFile called ... None) # 1 Why? See Question&Answers more detail:os...

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

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