Recent questions tagged Python

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python 2.7 - Read multiple csvs into multiple dataframes in Pandas

Is there a way to read multiple csv files into Pandas through a loop and define them as such? for i in ... dataframe. Not the other way around. 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 - Merge rows based on value (pandas to excel - xlsxwriter)

I'm trying to output a Pandas dataframe into an excel file using xlsxwriter. However I'm trying to apply ... is greatly appreciated! Thank you! 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 - Non-blocking concurrent wsgi server

I am trying to be able to respond incoming web requests simultaneously, while processing of a request includes quite ... . What did I wrong? 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 - Function missing 2 required positional arguments: 'x' and 'y'

I am trying to write a Python turtle program that draws a Spirograph and I keep getting this error: Traceback (most ... how to fix the 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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python - How can I vectorize the averaging of 2x2 sub-arrays of numpy array?

I have a very a very large 2D numpy array that contains 2x2 subsets that I need to take the average of ... aggregates on subsets like 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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python - Turning a Pandas Dataframe to an array and evaluate Multiple Linear Regression Model

I am trying to evaluate a multiple linear regression model. I have a data set like this : This data set has ... this ? Any help is 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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python - plot line over boxplot using pandas DataFrame

I have a pandas DataFrame with 16 columns corresponding years (2000 to 2015) and 12 lines with values for each month. I ... 1. How can I fix 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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python - Panda .loc or .iloc to select the columns from a dataset

I have been trying to select a particular set of columns from a dataset for all the rows. I tried something ... column is the target variable. 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 - What is the recommended way to compute a weighted sum of selected columns of a pandas dataframe?

For example, I would like to compute the weighted sum of columns 'a' and 'c' for the below matrix, with ... nans Was I missing an option? 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 - keeps text rotated in data coordinate system after resizing?

I'm trying to have a rotated text in matplotlib. unfortunately the rotation seems to be in the display ... the figure before saving 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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251 views

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python - replace empty string(s) in tuple

Is there an easy way (hopefully a one liner) to replace '' with something like '-'? Many thanks. tup = (1,2,'ABC','','','','text') 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 - AttributeError: 'module' object has no attribute 'pydebug'

When trying to run a python script, I get the error AttributeError: 'module' object has no attribute 'pydebug' ... has no attribute 'pydebug' 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 - Trying to open a serial port with pyserial on WinXP -> "Access denied"

I'm trying to send data to an hplc pump via the serial port using python and pyserial. I tested ... workDir, pressureThresh) myCapture.start() See Question&Answers more detail:os...

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

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523 views

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python - Plotly: How to toggle traces with a button similar to clicking them in legend?

I'm using python and creating standalone html files with interactive plots (no Dash). I have been able to ... of visibility for each trace? See Question&Answers more detail:os...

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

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901 views

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python - error when unload a 64bit dll using ctypes windll

i found there are several posts here about unloading a dll using ctypes, and i followed exactly the way said to ... i deal with this then? 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 do you call a function in a function?

I have a function and I'm making another one in which I need to call the first function. I don't have ... not callable. What should I do? See Question&Answers more detail:os...

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

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655 views

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python - scatter plot with legend colored by group without multiple calls to plt.scatter

pyplot.scatter allows for passing to c= an array that corresponds to groups, which will then color the points ... that seems overly cumbersome. 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 - Chameleon templates for javascript files?

I am developing a simple pyramid application where I am using JQuery to do AJAX requests. I have until now ... javascript in my page template? See Question&Answers more detail:os...

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

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506 views

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python - QWidget: Must construct a QApplication before a QPaintDevice

First, I use Windows 7-64 bit with PyQwt5.2.0, PyQt4.5.4, NumPy1.3.0, python2.6.2 32-bit for ... . PS: Sorry for any translation mistakes. See Question&Answers more detail:os...

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

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386 views

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python - mtTkinter doesn't terminate threads

I need to run some simple function in multi-threading with a Tkinter GUI, so I've tried mtTkinter. Everything ... sorry for my bad english! See Question&Answers more detail:os...

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

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357 views

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python - A function callback every time a key is pressed (regardless of which window has focus)?

I want to write a programme (in python) on Linux (Ubuntu Linux 9.10) that will keep track of how many key ... have fancy remote X sessions etc. See Question&Answers more detail:os...

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

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360 views

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python - Seaborn/Matplotlib: how to access line values in FacetGrid?

I'm trying to shade the area between two lines in a Seaborn FacetGrid. The fill_between method will do this, but ... in the docs is helping. 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 - Print a dictionary into a table

I have a dictionary: dic={'Tim':3, 'Kate':2} I would like to output it as: Name Age Tim 3 Kate 2 Is ... Or is there a way better in some sense? 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 get the first datetime of a day?

Using pytz and Python 3.4, how to get the first datetime of a given day (lets say, 2014-10-19), in ... timezone (lets say 'America/Sao_Paulo')? See Question&Answers more detail:os...

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

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557 views

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python - Django "TemplateDoesNotExist " Error but "Using loader django.template.loaders.app_directories.Loader" File Exists

Template Loader finds the template but template is not loaded TemplateDoesNotExist at /cardpayment/ cardpayment.html Request ... {% endblock %} See Question&Answers more detail:os...

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

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446 views

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python - Aplpy multiplot dynamic axis sharing

Is there any way to make multiplot aplpy plots dynamically share axes so that when one is moved or zoomed, it moves ... vmax = 1.6) fig.show See Question&Answers more detail:os...

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

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450 views

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python - Django sum of row in template for loop

I want to show sum of subtotal in my template. {% for quote in quotes %} {% for product in quote. ... ">{{ sum_of_subtotal }}</span> See Question&Answers more detail:os...

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

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294 views

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python - Deploy matplotlib on heroku failed. How to do this correctly?

I've install matplotlib in my virtualenv using pip. It was a failure at the beginning, but after I ... matplotlib in heroku deployment server? See Question&Answers more detail:os...

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

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