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I'm trying to calculate the gradient with tf.GradientTape. When I try to do it using as inputs … Read more Tf.gradienttape() Return None

Is there a smart pointer in C++ to a resource managed by others? I am using pybind11 to wrap C++ c… Read more C++ Smart Pointer To External Managed (e.g: Python) Resources?

I’ve been having problems using multiple cursors on a single sqlite database within a nested loop. … Read more Using Multiple Cursors In A Nested Loop In Sqlite3 From Python-2.7

I am trying to customize a Colormap with ListedColormap() for a scatter plot. Here is a dataset for… Read more Plt.scatter Cannot Recognize A Cmap Generated By Listedcolormap()

I am trying to control a screen manager from buttons in a separate class, but I cannot figure out w… Read more Python Kivy Screen Manager Wiget Scope

Suppose I have two sparse matrix: from scipy.sparse import random from scipy import stats S0 = ran… Read more How Do I Create Interacting Sparse Matrix?

I'm on Windows 7 using Anaconda 4.7.10. On a command prompt after I entered Python I saw this:… Read more Anaconda Environment Won't Activate

I want to plot 5 data frames in a 2 by 3 setting (i.e. 2 rows and 3 columns). This is my code: Howe… Read more Remove The Extra Plot In The Matplotlib Subplot

I am using sympy to write algebraic expressions and perform basic calculations with them. Sympy doe… Read more How To Modify Sympy's Printing Order?

Given a bunch of names, how can we find out which are Chinese names and which are English names? Fo… Read more How To Recognize Chinese Or English Name Using Python

I have a bunch of tcp dumps, which contain SSL traffic. I'm also provided with the RSA private … Read more Parsing Ssl Traffic In .pcap File Using Python

I am trying to print out my binary tree in pre order form however I am coming across these errors. … Read more Printing Bst In Pre Order

I am creating a Python application that imports many JSON files. The files are in the same folder a… Read more Filenotfounderror But File Exists

Whenever I edit a form using WTForms, rather than it updating the record, it adds it as a new recor… Read more Updating A Record With Wtforms, Sqlalchemy & Flask

I don't understand why my new file has a bunch of special characters in it that were not in the… Read more What's Wrong With This Method For Copying A File In Python?

I'm trying to make a Python webapp write to Firebase DB using HTTP API (I'm using the new v… Read more Firebase Db Http Api Auth: When And How To Refresh Jwt Token?

i am trying to group by dataframe based on weekday and year from its datetime column. my data looks… Read more Python Valueerror: Duplicated Level Name: "reported_date", Assigned To Level 1, Is Already Used For Level 0

I asked a question and got a specific answer. However, I had to extend this answer to work with a l… Read more Z3 - Unexpected Output/not Sure What Output Means

Well i've seen this error occur to others aswell but i can't figure out were my mistake is.… Read more How Can I Fixtypeerror: 'str' Object Is Not Callable?

I'm using ajax to improve user experience in my Django project. My concern here is how to respo… Read more Django Ajax Error Response Best Practice