The error “AttributeError: module ‘numpy’ has no attribute ‘random’” can occur when you try to use the “random” submodule of the NumPy library, but it cannot be found. Here are some possible solutions:
How to solve TypeError: ‘numpy.float64’ object is not iterable
The error message “TypeError: ‘numpy.float64’ object is not iterable” usually occurs when you try to iterate over a numpy float64 object directly. To solve this error, you need to ensure that you are not trying to iterate over a single numpy float64 object. Instead, you should iterate over a numpy array or a Python list. Continue reading
How to solve TypeError: only integer scalar arrays can be converted to a scalar index
The error “TypeError: only integer scalar arrays can be converted to a scalar index” occurs when you try to use a non-integer value (like a float, boolean, or another array) as an index to access an element of a NumPy array or a standard Python list. Indexing must be done with integers or slices.
How to solve ValueError: setting an array element with a sequence
The ValueError: setting an array element with a sequence error typically occurs when you try to assign a sequence (e.g., list, tuple, or even another NumPy array) to an element of a NumPy array that expects a scalar value. This often happens when you’re working with object arrays or when the shape of what you’re Continue reading
How to Make a Kdeplot in Seaborn
Let’s check how to make a kdeplot in Seaborn. I’ll load taxis built-in data to show you kdeplot in details.
How to center title in Plotly
In Plotly, you can center the title of a plot by setting the title.x attribute to 0.5 and the title.xref attribute to “paper”. Here’s an example of how you can center the title of a plot in Plotly:
How to squash migrations in Django
To squash migrations in Django, you can use the squashmigrations management command. This command combines multiple migration files into a single file, making your database schema more concise and reducing the size of your migration history.
How to add to manytomany field in Django
Adding to a ManyToMany field in Django is quite straightforward and offers a few different ways to achieve it, depending on your needs. The key is that ManyToMany relationships don’t directly store the related objects on the “many” side; instead, they manage an intermediate table.
Swap Numpy row vector to column vector
This time we teach ourselves how to swap Numpy row vector to column vector.
How to add vertical line in Plotly
In Plotly, you can add a vertical line to a plot by using the “shape” attribute in the layout. Here’s a simple example in Python:
How to calculate exponential of complex number in Numpy?
In NumPy, you can calculate the exponential of a complex number using numpy.exp. The exponential of a complex number z can be represented as exp(z) = exp(x) * (cos(y) + 1j * sin(y)), where x and y are the real and imaginary parts of the complex number z, respectively.
How to use curdoc in Bokeh
curdoc() is a function in Bokeh that returns the current document for a Bokeh application. You can use curdoc() to access the current document and add, remove, or modify elements in it.
How to Build Custom Image Processing Filters with Advanced Algorithms
Extending Pillow’s ImageFilter module with custom filters unlocks powerful image processing capabilities—ranging from edge detection to color grading via 3D lookup tables. This guide covers building convolution kernels, 3D LUT transforms, and integrating NumPy for per-pixel operations, with performance tips like Pillow-SIMD and multi-threading.
How to optimize django database queries
Efficient database access is critical for Django applications at scale. This guide shows you how to identify and eliminate common performance pitfalls—such as the N+1 query problem—and apply advanced ORM features, indexing, and caching strategies to dramatically reduce query counts and latency.
How to solve TypeError: ‘set’ object is not subscriptable
This is the article where I’ll show you how to solve TypeError: ‘set’ object is not subscriptable in Python.