Recent questions tagged Python

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python - How can I convert columns of a pandas DataFrame into a list of lists?

I have a pandas DataFrame with multiple columns. 2u 2s 4r 4n 4m 7h 7v 0 1 1 0 0 0 1 0 1 0 1 ... different situations, so don't bother about 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 - Is the PySide Slot Decorator Necessary?

I've seen some example code for PySide slots that uses the @QtCore.Slot decorator, and some that does not. ... true for PyQt's pyqtSlot. 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 I return an image in fastAPI?

Using the python module fastAPI, I can't figure out how to return an image. In flask I would do ... corresponding call in this module? 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 create Password Field in Model Django

I want to create password as password field in views. models.py: class User(models.Model): username = models. ... class Meta: model = User 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 would running scheduled tasks with Celery be preferable over crontab?

Considering Celery is already a part of the stack to run task queues (i.e. it is not being added just ... django-celery for queing django tasks. 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 - preprocess_input() method in keras

I am trying out sample keras code from the below keras documentation page, https://keras.io/applications/ What ... of these functions? Thanks! 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 - recover dict from 0-d numpy array

What happened is that I (by mistake) saved a dictionary with the command numpy.save() (no error messages shown) ... the data? 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 - Flask: 'session' vs. 'g'?

I'm trying to understand the differences in functionality and purpose between g and session. Both are objects to 'hang ... I use in what cases? 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 y axis in seaborn distplot?

I have some geometrically distributed data. When I want to take a look at it, I use sns.distplot(data, kde=False, ... is the meaning of y 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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python - how to get request object in django unit testing?

I have a function as def getEvents(eid, request): ...... Now I want to write unit test for the above ... Is it possible to create request ? See Question&Answers more detail:os...

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

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299 views

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python - Get indices of the top N values of a list

I have a list say a = [5,3,1,4,10]. I need to get indices of the top two values of the list, that ... -liner that Python offers for such a case? 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 - Pandas: Convert Timestamp to datetime.date

I have a pandas column of Timestamp data In [27]: train["Original_Quote_Date"][6] Out[27]: Timestamp('2013-12- ... datetime.date(2013, 12, 25) See Question&Answers more detail:os...

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

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908 views

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python - How to remove default example dags in airflow

I am a new user of Airbnb's open source workflow/datapipeline software airflow. There are dozens of default ... to remove these examples. 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 - Flask example with POST

Suppose the following route which accesses an xml file to replace the text of a specific tag with a given xpath ( ... an example to guide me? See Question&Answers more detail:os...

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

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470 views

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python - Split string into list in jinja?

I have some variables in a jinja2 template which are strings seperated by a ';'. I need to use these strings separately ... is {{ list1[1] }} See Question&Answers more detail:os...

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

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365 views

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python - split string in to 2 based on last occurrence of a separator

I would like to know if there is any built in function in python to break the string in to 2 parts, based ... any in built function in python. See Question&Answers more detail:os...

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

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252 views

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python - What is the equivalent of "none" in django templates?

I want to see if a field/variable is none within a Django template. What is the correct syntax for that? This is ... I use to replace "null"? See Question&Answers more detail:os...

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

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378 views

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python - matplotlib get ylim values

I'm using matplotlib to plot data (using plot and errorbar functions) from Python. I have to plot a set of ... # close figure plt.close(fig) See Question&Answers more detail:os...

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

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320 views

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python - socket.accept error 24: To many open files

I have a problem with open files under my Ubuntu 9.10 when running server in Python2.6 And main problem is that ... 't reached. Thanks for help) 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 - Streaming file upload using bottle (or flask or similar)

I have a REST frontend written using Python/Bottle which handles file uploads, usually large ones. The API is ... quite lightweight. 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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162 views

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python - django-paypal setup

Has anyone setup django-paypal? Here is the link to it here? I have "myproject" setup, and my folder ... " in process params.update(item) See Question&Answers more detail:os...

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

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604 views

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python - Drawing a graph with NetworkX on a Basemap

I want to plot a graph on a map where the nodes would be defined by coordinates (lat, long) and have some ... ='#555555') I get this image: 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 - Is it possible to generate and return a ZIP file with App Engine?

I have a small project that would be perfect for Google App Engine. Implementing it hinges on the ability to ... in the App Engine environment? See Question&Answers more detail:os...

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

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214 views

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python - Multi-Index Sorting in Pandas

I have a multi-index DataFrame created via a groupby operation. I'm trying to do a compound sort using several ... Launch Date', 'Sales']) See Question&Answers more detail:os...

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

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482 views

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python - Correcting matplotlib colorbar ticks

I've placed a color bar alongside a choropleth map. Because the data being plotted are discrete rather than continuous values, ... 7, 8, 9, 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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236 views

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python - Explanation of Merge Sort for Dummies

I found this code online: def merge(left, right): result = [] i ,j = 0, 0 while i < len(left) and j ... properly order both a left and a right. See Question&Answers more detail:os...

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

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449 views

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python - How to use sklearn Column Transformer?

I'm trying to convert categorical value (in my case it is country column) into encoded value using ... from x varible after transforming See Question&Answers more detail:os...

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

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296 views

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python - How to launch EC2 instance with Boto, specifying size of EBS?

I'm using boto/python to launch a new EC2 instance that boots from an EBS volume. At the time I launch ... time the EC2 instance is specified: See Question&Answers more detail:os...

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

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