I’m using PySpark to do collaborative filtering using ALS. My original user and item id’s are strings, so I used StringIndexer to convert them to numeric indices (PySpark’s ALS model obliges us to do so). After I’ve fitted the model, I can get the top 3 recommendations for each user li…
How to replace a word to another word in a list python?
If I have this list: Is it possible to replace every world to any other word without using any auto command, I am thinking about something like this: Answer You can use a list comprehension with an if-else. You now have a new list, list_B, where all instances of the word “world” have been replaced…
Correct way to format integers with fixed length and space padding
I have integer numbers in the range of 0 up until (including) 100. I want to convert them to strings of a fixed length of 3 with space padding and alignment to the right. I’ve tried to use the following format string, but it adds another space for three digit numbers, which makes them length 4 instead o…
opendnp3 python testing master slave
Running this code gives me the following error (I don’t know how to pass Log Level as argument) The error is in line 85 Answer There’s a problem with that method. Instead use: There’s not much documentation, but after a ton of digging there was a re-write around a TCPv4 and TCPv6 method and …
How does a generator function work internally?
Below is a generator function. Does this generator function (f) get implemented, internally, as shown below? Edit: This is the answer for my question. Answer Internally, a generator works about the same as a regular function call. Under-the-hood, running generators and running functions use mostly the same ma…
Standalone Protocol buffer file in tensorflow and its usage?
I have a .pb file alone created using freeze_graph.py. Other than the standalone .pb file i don’t have any files in the folder. Till now i have figured out a way to visualize the model using tensor board and to fetch the tensors involved in the Net. Also the .pb was a model created using ResNet architec…
Namespaces inside class in Python3
I am new to Python and I wonder if there is any way to aggregate methods into ‘subspaces’. I mean something similar to this syntax: I am writing an API wrapper and I’m going to have a lot of very similar methods (only different URI) so I though it would be good to place them in a few subspac…
is_reverse “second” error in Think Python
There is an is_reverse program in Think Python as follows: The author asks to figure out an error in it which I am unable to after much brainstorming. The program works just fine and returns this: The error pertains to this output. Please help me figure it out. Answer The function suppose to check if word1 is…
load weights require h5py
Im trying to run a keras model,trying to use pre-trained VGGnet- When i run this Command base_model = applications.VGG16(weights=’imagenet’, include_top=False, input_shape=(img_rows, img_cols, img_channel)) I get this error: I went through some github issues page where a relevant question was aske…
generating word cloud for items in a list in python
and I am generating a word cloud for this list by using As I am converting all the items into string it is generating word cloud for help me for generating word cloud for items in a list Answer one way of doing, Another way by creating Counter Dictionary,