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Showing posts from August, 2022

Gunicorn Gevent Worker Logging Issues

I have a gunicorn server running with 1 worker. I user the logging module during the request. None … Read more Gunicorn Gevent Worker Logging Issues

Google App Engine Python Download File

I am trying to figure out a way where I can create a tab-delimited file containing data from user-d… Read more Google App Engine Python Download File

Chaining *= += Operators

I have the following code: aaa = np.random.rand(20, 1) aaa *= 200 aaa -= 100 I wonder if it is pos… Read more Chaining *= += Operators

Comparing Object Fields With Django's ORM

Is comparing columns in different tables using less-than/greater-than operators supported in Django… Read more Comparing Object Fields With Django's ORM

Can't Install Python-snappy Wheel In Pycharm

I have a question here, and then I have followed this answer https://stackoverflow.com/a/43756412/1… Read more Can't Install Python-snappy Wheel In Pycharm

How To Set The GenericDirCtrl To Show Custom Folder As Top Directory In Wxpython?

I want to show my folder as top directory in wxPython's GenericDirCtrl component. I tried SetPa… Read more How To Set The GenericDirCtrl To Show Custom Folder As Top Directory In Wxpython?

Parsing Graph Data File With Python

I have one relatively small issue, but I can't keep to wrap my head around it. I have a text fi… Read more Parsing Graph Data File With Python

PyInstaller Failing To Include Some Modules From C:\Python27\Lib

I've been repeatedly making good PyInstaller executables of a Tkinter utility program, and sudd… Read more PyInstaller Failing To Include Some Modules From C:\Python27\Lib

Python - Should I Put My Helper Functions Inside Or Outside The Class?

In Python, if some methods of a class need a helper function, but the helper function itself doesn&… Read more Python - Should I Put My Helper Functions Inside Or Outside The Class?

Multi-tasking With Multiprocessing Or Threading Or Asyncio, Depending On The Scenario

I have my codes ready for 1 at a time performance, I wanna upgrade it to something fancy, multi-tas… Read more Multi-tasking With Multiprocessing Or Threading Or Asyncio, Depending On The Scenario

How To Get All Values With The Same Key In An Immut. Dict?

ImmutableMultiDict([('course', u'2132'), ('course', u'2121'), (… Read more How To Get All Values With The Same Key In An Immut. Dict?

Fixed Default Value Provided Issue With Django

This is my model: created_date = models.DateTimeField(default=datetime.datetime.now) after I run i… Read more Fixed Default Value Provided Issue With Django

Addition Between Classes Using Radd Method

I have two different classes, and I want to define the addition of them only in one class, and defi… Read more Addition Between Classes Using Radd Method

SQLAlchemy: Multiple ForeignKeyConstraint Referencing The Same Destination Column

I'm trying to properly define the relations between a few tables that all use composite keys. T… Read more SQLAlchemy: Multiple ForeignKeyConstraint Referencing The Same Destination Column

Python: Json.loads Chokes On Escapes

I have an application that is sending a JSON object (formatted with Prototype) to an ASP server. O… Read more Python: Json.loads Chokes On Escapes

How Can We Figure Out Why Certain Uuencoded Files Are Not Decoding Properly Using Python?

We are trying to decode some uuencoded PDF files that are embedded in a txt file. The problem we ha… Read more How Can We Figure Out Why Certain Uuencoded Files Are Not Decoding Properly Using Python?

Deepcopy Pandas DataFrame Containing Python Objects (such As Lists)

Need help understanding variable assignment, pointers, ... The following is reproducible. import pa… Read more Deepcopy Pandas DataFrame Containing Python Objects (such As Lists)

Tensorflow: Simple 3D Convnet Not Learning

I am trying to create a simple 3D U-net for image segmentation, just to learn how to use the layers… Read more Tensorflow: Simple 3D Convnet Not Learning

How To Customize Pytorch Data

I am trying to make a customized Dataloader using pytorch. I've seen some codes like (omitted t… Read more How To Customize Pytorch Data

Flask Request.files Returns ImmutableMultiDict([])

I have tried a million times to get this working. I am making a web app and I have a button (modal)… Read more Flask Request.files Returns ImmutableMultiDict([])

How To Simulate Broadcast Message Passing Between Thread

I'm writing a small concurrent program using Python 3.6. I have a question: my program has a s… Read more How To Simulate Broadcast Message Passing Between Thread

Zoomed Inset In Matplotlib Without Re-plotting Data

I'm working on some matplotlib plots and need to have a zoomed inset. This is possible with the… Read more Zoomed Inset In Matplotlib Without Re-plotting Data

'merge' 2 Dataframes On Elements From List?

I want to do the following merge (hard to describe in words): This are my Dataframes df8=pd.DataFra… Read more 'merge' 2 Dataframes On Elements From List?

Date_range Not Accepting The Variable I Want To Use?

When I input a value like '2015-08', my date_range works as intended. If I use the startdat… Read more Date_range Not Accepting The Variable I Want To Use?

Performance Difference In Pandas Read_table Vs. Read_csv Vs. From_csv Vs. Read_excel?

I tend to import .csv files into pandas, but sometimes I may get data in other formats to make Data… Read more Performance Difference In Pandas Read_table Vs. Read_csv Vs. From_csv Vs. Read_excel?

How To Make A Flashing Text Box In Tkinter?

So my computing class are making a xmas card in python, and for one of the bits there is going to b… Read more How To Make A Flashing Text Box In Tkinter?