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How to get the number of days in a month using python ?

by Benjamin Marchant
Edited: Feb. 19, 2023, 7:26 p.m.
Tags: Python; Calendar;

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Get the absolute difference between two pandas dataframe columns

by Benjamin Marchant
Edited: Feb. 19, 2023, 5:10 p.m.
Tags: Python; Pandas; Dataframe;

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How to generate a matrix of random floats with numpy ?

by Benjamin Marchant
Edited: Feb. 19, 2023, 2:30 p.m.
Tags: Python; Numpy;

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How to round the values of a pandas DataFrame ?

by Benjamin Marchant
Edited: Feb. 19, 2023, 1:11 a.m.
Tags: Python; Pandas; Dataframe;

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How to set 0 as the middle point in a matplotlib diverging colormap ?

by Benjamin Marchant
Edited: Feb. 18, 2023, 3:53 p.m.
Tags: Python; Matplotlib; Colormap;

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How to install tensorflow on a mac studio ?

by Benjamin Marchant
Edited: Dec. 14, 2022, 3:05 a.m.
Tags: Python; TensorFlow; Apple Mac;

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How to change image format to a webp using python ?

by Benjamin Marchant
Edited: Dec. 14, 2022, 2:44 a.m.
Tags: Python; Webp;

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How to add a robots.txt file for a Django App ?

by Benjamin Marchant
Edited: Dec. 10, 2022, 4:16 a.m.
Tags: Django; Python;

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How to remove a character from a string in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:52 p.m.
Tags: Python; Strings;

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How to get the sign of a number (e.g -1 or +1) in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:51 p.m.
Tags: Python; Math;

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How to find the number of occurrences in a list of tuples in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:47 p.m.
Tags: Python; List; Tuple;

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How to plot a heatmap (gridded data) on a global map with cartopy in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:45 p.m.
Tags: Python; Cartopy;

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How to evaluate and plot a 2D function in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:38 p.m.
Tags: Python; Numpy; Function; Meshgrid;

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How to store a condition in a string and use the built-in function eval() in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:36 p.m.
Tags: Python; Conditional Statements; Loop;

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How to get the absolute value of a dataframe column in pandas ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:29 p.m.
Tags: Python; Pandas; DataFrame;

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How to skip an iteration in a loop if a condition is verified in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:24 p.m.
Tags: Python; Loop;

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How to store a pandas dataframe into a json file ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:20 p.m.
Tags: Python; Pandas; DataFrame; JSON;

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How to select dataframe columns that end with *** with pandas ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:17 p.m.
Tags: Python; Pandas; DataFrame;

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How to find all dataframe columns that contain a given word with pandas ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:16 p.m.
Tags: Python; Pandas; DataFrame;

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How to create a new column of initials from a full name dataframe column with pandas and python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:14 p.m.
Tags: Python; Pandas; DataFrame; Regex;

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How to split a full name column into a first and last name columns with pandas in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:12 p.m.
Tags: Python; Pandas; DataFrame;

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How to merge (concatenate) two or more dataframe columns into one column with pandas ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:10 p.m.
Tags: Python; Pandas; DataFrame;

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How to extract first letter of each word in a sentence with python using a regular expression ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:08 p.m.
Tags: Python; Regular Expression;

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How to pad a numpy array in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:04 p.m.
Tags: Python; Numpy;

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How to add a border (frame) to an image using python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:03 p.m.
Tags: Python; Numpy; Image;

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How to apply a one hot encoding to a pandas dataframe categorical data column using get_dummies() ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:02 p.m.
Tags: Python; Pandas; Machine Learning;

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How to replace dataframe columns by another dataframe columns with pandas ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7:01 p.m.
Tags: Python; Pandas; DataFrame;

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How to save a Tensorflow / Keras model weights in a HDF file ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 7 p.m.
Tags: Python; Tensorflow; Keras;

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How to assess if an expression is true in python using assert ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 6:59 p.m.
Tags: Python;

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How to create a confusion matrix and extract the true and false positives and true and false negatives using scikit learn in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 6:58 p.m.
Tags: Python; Scikit Learn; Machine Learning;

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How to filter dataframe rows using a OR statement with pandas ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 4:24 p.m.
Tags: Python; Pandas; DataFrame;

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How to save the architecture of a tensorflow model (summary) in a json file ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 4:23 p.m.
Tags: Python; TensorFlow; Machine Learning;

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How to remove, drop a table in a database with the django web framework ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:56 p.m.
Tags: Python; Django;

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How to fix "TypeError: Object of type datetime is not JSON serializable" in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:53 p.m.
Tags: Python; JSON;

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How to get all children (ForeignKey based) from parent objects in a django template (e.g all comments for a blog post) ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:49 p.m.
Tags: Django; Python;

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How to remove common elements between two lists in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:39 p.m.

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How to create a list of English alphabet letters (from A to Z) with python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:35 p.m.
Tags: Python; List;

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How to apply a function to a list in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:32 p.m.
Tags: Python; List;

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How to shift (rotate) items in a list with python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:31 p.m.
Tags: Python; List;

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How to calculate the cosine of an angle in python ?

by Benjamin Marchant
Edited: Dec. 9, 2022, 3:26 p.m.
Tags: Python; Math;

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