Recent questions tagged Python

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python - How to append PDF pages using PyPDF2

Is anybody has experience merging two page of PDF file into one using python lib PyPDF2. When I try page1. ... the bottom of the page1? See Question&Answers more detail:os...

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

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983 views

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python - Flask Marshmallow/SqlAlchemy: Serializing many-to-many relationships

I'm building a small REST api using Flask, flask-sqlalchemy and flask-marshmallow. For some requests I'd like to return ... }] How do I do that? See Question&Answers more detail:os...

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

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285 views

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python - Where is my local App Engine datastore?

How can I find where my local development datastore is located? I am using the Python SDK and Linux. 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 Lambda Function with Nan Support

I am trying to write a lambda function in Pandas that checks to see if Col1 is a Nan and if so, uses ... do you have another solution? 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 - Search and Replace in HTML with BeautifulSoup

I want to use BeautfulSoup to search and replace <a> with <a><br>. I know how to open with urllib2 and then ... python help() doesn't give much See Question&Answers more detail:os...

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

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258 views

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python - Extract artwork from table game card image with OpenCV

I wrote a small script in python where I'm trying to extract or crop the part of the playing card that represents ... artwork as well as I can. 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 - module object has no attribute 'Screen'

I am teaching myself python from this site. On Chapter 3, when I typed the code in the given example, I ... right direction please? 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 - How to add bi-directional manytomanyfields in django admin?

In my models.py i have something like: class LocationGroup(models.Model): name = models.CharField(max_length ... LocationGroup.report_set.all() 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 - Problem with sys.argv[1] when unittest module is in a script

I have a script that does various things and access paramenters using sys.argv but when the script gets to the ... to read the extra parameters. See Question&Answers more detail:os...

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

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317 views

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python - Getting specific field from chosen Row in Pyspark DataFrame

I have a Spark DataFrame built through pyspark from a JSON file as sc = SparkContext() sqlc = SQLContext(sc) ... , how would I obtain 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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249 views

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python - How does setColumnStretch and setRowStretch works

I have an application built using PySide2 which uses setColumnStretch for column stretching and setRowStretch for row ... this with 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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414 views

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python - Error Loading MySQLdb Module and "pip install MySQLdb"

I'm trying start up a Django project. I get this error on trying to run the manage.py: (venv)dyn-160- ... /fss/venv/lib/python2.7/site-packages 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 - Multiple default values specified for column "id" of the table

I use to run my website on my laptop and its database was Sqlite, recently I wanted to transfer it to DigitalOcean ... 99)]) 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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263 views

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python - How can I randomly place several non-colliding rects?

I'm working on some 2D games with Pygame. I need to place several objects at the same time randomly without ... are all random different sizes. See Question&Answers more detail:os...

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

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645 views

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python - How to specify py2app icon?

How do I specify the icon file when using py2app? Just now I create the setup file: py2applet --make-setup ... , setup_requires=['py2app'], ) 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 - "ImportError: cannot import name mail" in Flask

I have built is a simple web app with Flask and Python, which I intend to upload to Heroku. When starting my ... .py decorators.oy tmp run.py See Question&Answers more detail:os...

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

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443 views

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python - Holiday Calendars, File Formats, et al

I'm looking for a way to figure out whether a given date is a "holiday," given some holiday calendar. ... be Friday and Saturday, 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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372 views

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python - Pandas: apply different functions to different columns

When using df.mean() I get a result where the mean for each column is given. Now let's say I ... disassembling and reassembling the DataFrame)? See Question&Answers more detail:os...

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

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383 views

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python - Confusion about URI path to configure SQLite database

Hi I am building a web application using Flask and Sqlite3. I had issues with connecting the database for a ... really appreciate it. 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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750 views

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python - Set a default value for a ttk Combobox

I'm using Python 3.2.1 in Arch Linux x86_64. This one is really driving me crazy: I just want to have ... function, so I need another 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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236 views

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python - How to have image + text in one button in Tkinter

I′m trying to create a button, which will include an image aligned to the left and text aligned to the right. ... I explained it well 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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328 views

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python - How to debug sublime plugins during development

I want to debug my plugin with pdb but it doesn't work. I get these errors Traceback (most recent call last) ... way to debug a sublime plugin? See Question&Answers more detail:os...

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

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422 views

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python - Fill the missing date values in a Pandas Dataframe column

I'm using Pandas to store stock prices data using Data Frames. There are 2940 rows in the dataset. The ... values for Saturday and Sunday? See Question&Answers more detail:os...

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

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273 views

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python - Django (1.10) override AdminSite

I've tried to override AdminSite class with my own custom class. I followed tutorial from django's documentation ... all models to MyAdminSite? See Question&Answers more detail:os...

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

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556 views

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python - How to round float 0.5 up to 1.0, while still rounding 0.45 to 0.0, as the usual school rounding?

Appears that the default Python round(1 / 2) gives 0. How to round float 0.5 up to 1.0, while ... marked as duplicate of another question. See Question&Answers more detail:os...

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

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737 views

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python - How to enable built-in VPN in OperaDriver?

The opera browser has a built-in VPN which allows you to hide your IP while browsing. My question is can the VPN ... 16.04 LTS (x86_64; Unity). See Question&Answers more detail:os...

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

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212 views

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python - How can I map the headers to columns in pandas?

I have a dataframe like : A B C 1 0 0 1 1 0 0 1 0 0 0 1 I want to have : A B C label 1 0 0 A ... by map or apply but I couldn't figured it out. See Question&Answers more detail:os...

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

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406 views

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python - Formatting datetime xlabels in matplotlib (pandas df.plot() method)

I can't figure out how to change the format of these x-labels. Ideally, I'd like to call strftime('%Y-%m-%d') ... ) ax = df.plot(kind='bar') See Question&Answers more detail:os...

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

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