I am quite new to SQLITE3 as well as python. I a complete beginner in SQLite. I don’t understand much. I am right now learning as a go for my project.I am working on a project where I have one database with about 20 tables inside of it. One table is for user input and the other tables are pre-loaded
using python to calculate Vector Projection
Is there an easier command to compute vector projection? I am instead using the following: Answer Maybe this is what you really want: This should give the projection of vector x onto vector y – see https://en.wikipedia.org/wiki/Vector_projection. Alternatively, if you want to compute the projection of y…
How is the dtype of a numpy array calculated internally?
I was just messing around with numpy arrays when I realized the lesser known behavior of the dtypes parameter. It seems to change as the input changes. For example, gives dtype(‘int32’) However, gives dtype(‘int64’) So, my first question is: How is this calculated? Does it make the dat…
Tensorflow’ pb and pbtxt files don’t work with OpenCV after retraining MobileNet SSD V1 COCO
I have followed this tutorial to retrain MobileNet SSD V1 using Tensorflow GPU as described and got 0.5 loss after training using GPU (below more info about config) and got model.ckpt. This is the command I used for Training: python ../models/research/object_detection/legacy/train.py –logtostderr –…
Setup custom launcher with paths as a param values in VS Code (Flask – certificate path)
There is an example in Visual Studio Code python setup tutorial it is shown how to setup Flask. My problem starts when I try to provide self-signed certificate paths. I’ve tried to add following configuration: I’ve tried to provide key/cert as: C:\FULL_PATH\TO\FILE C:/FULL_PATH/TO/FILE ‘C:\F…
ModuleNotFoundError: No module named ‘face_recognition’
When I run above code, I’ve found following error message. Traceback (most recent call last): File “sample.py”, line 1, in import face_recognition And I’ve checked that I’ve found following error message when I’ve installed face_recognition library. pip install face_recogni…
Tensorflow 2.0 – AttributeError: module ‘tensorflow’ has no attribute ‘Session’
When I am executing the command sess = tf.Session() in Tensorflow 2.0 environment, I am getting an error message as below: System Information: OS Platform and Distribution: Windows 10 Python Version: 3.7.1 Tensorflow Version: 2.0.0-alpha0 (installed with pip) Steps to reproduce: Installation: pip install R…
Pandas: splitting data frame based on the slope of data
I have this data frame Update: I want a function If the slope is negetive and the length of the group is more than 2 then it should return True, index of start and end of the group. for this case it should return: result=True, index=5, index=8 1- I want to split the data frame based on the slope. This
Regex Python – Keep only ASCII and copyright symbol
I have the following function to keep only ASCII characters: But now I also want to keep the copyright symbol (©). What should I add to the pattern? Answer Add the copyright symbol’s hex xA9 (source) to your match group: Regex101
How can I find the top three highest rows based on a column in a csv?
I’m trying to iterate through each line of a csv and bring back the top 3 highscores. There’s only 2 columns, one named ‘users’ and the other ‘highscores’. I know what I have so far isn’t much but I’m completely stumped. I feel like I could get the highest score…