When passing around functions, I normally type hint them with typing.Callable. The docs for collections.abc.Callable state that it has four dunder methods: class collections.abc.Callable ABCs for classes that provide respectively the methods __contains__(), __hash__(), __len__(), and __call__(). At one point,…
tensorflow cannot find GPU
I had install “tensorflow-GPU”, CUDA 10.0. and my GPU is GTX1660 ti. I also tested bu CUDA 10.2 and 11. I added cudnn to windows PATH but I still got this error. Answer I found the problem. the problem was versions of CUDA and cudnn.
error: (-215:Assertion failed) scn + 1 == m.cols in function ‘cv::perspectiveTransform’
Below is a python script that calculates the homography between two images and then map a desired point from one image to another However, when i display the image that contains the mapped point it returns the following error: According to my knowledge this error means that parameter assigned to the function …
groupdict in regex
I have the following string: I wrote a regex for this which will find the first-name and last-name of user: Result: Sometimes, I don’t get the last name. At that time, my regex fails. Can any one have any idea regarding this? Answer You may use See the regex demo Regex details ^ – start of string …
Python’s requests triggers Cloudflare’s security while urllib does not
I’m working on an automated web scraper for a Restaurant website, but I’m having an issue. The said website uses Cloudflare’s anti-bot security, which I would like to bypass, not the Under-Attack-Mode but a captcha test that only triggers when it detects a non-American IP or a bot. I’m…
TF.Keras model.predict is slower than straight Numpy?
Thanks, everyone for trying to help me understand the issue below. I have updated the question and produced a CPU-only run and GPU-only of the run. In general, it also appears that in either case a direct numpy calculation hundreds of times faster than the model. predict(). Hopefully, this clarifies that this…
PyCall can’t find scipy in Julia
I’m currently rewriting a bunch of matlab code into julia. These codes envolves a lot of math and, particularly, interpolation functions for a 3D mesh. It is easy to deal with this in matlab: all I need to do is to use interp3 function. Once I coundn’t find any simple way to do similar in Julia, I…
Is it possible to create a thick Mesh?
I’m totally new to this field, I’m using python and Trimesh to create a 3D model of a bone and I need to figure out how can I create or represent the thickness of the bone I only have surface of the bone which is ok, but I need also to represent how the bone looks inside this surface, Anyone
Extract sentence embeddings features with Pandas and spaCy
I’m currently learning spaCy, and I have an exercise on word and sentence embeddings. Sentences are stored in a pandas DataFrame columns, and, we’re requested to train a classifier based on the vector of these sentences. I have a dataframe that looks like this: Next, I apply an NLP function to the…
Python SymPy’s plotting legend when using multiple ranges
I am using SymPy’s plotting module, but legends stop working when I start having multiple lines with different ranges (to plot a function f(x) whose definition depend on x like in the following example). I actually haven’t seen any example of this anywhere : Here the legend is ignored. I also trie…