I am using pyzo to run my python scripts. However I felt the need to switch over to the Atom code editor. I can run my python scripts without any problem. At one point I need to use the library matplotlib. In pyzo I would do: But it doesn’t work in Atom Error message: Traceback (most recent call last): …
Tag: python
(flask + socket.IO) Result of emit callback is the response of my REST endpoint
Just to give a context here, I’m a node.JS developer, but I’m on a project that I need to work with Python using Flask framework. The problem is, when a client request to an endpoint of my rest flask app, I need to emit an event using socket.IO, and get some data from the socket server, then this …
How to optimize code for deleting n position in all the lists from a list of lists
I search the site for this issue and I found many posts about deleting specific values from list of lists. However, this doesn’t answer my question. Lets have: Now, in my mind the two lists are linked. List 1 number items: 1, 2, 3, 4,… and list 2 a feature of these items (for example prices: $100,…
Adding a border to and Image in my code
Help, I need to put a border on the image displayed from the code below. How do I do this? The code below pulls up the image, and now i need a border. Help.. All of this code is Python Answer Just create a slightly larger array that is black and fill the central pixels with your image.
How to rename a virtualenv in Python?
I misspelled the name of the virtualenv while initializing it using: I actually intended to create the environment with the name venv. Having tried to rename the vnev folder to venv, I find that this doesn’t provide much help. The name of the activate environment still renames the old vnev. I would like…
docker container increase listen queue size beyond 128
How can I increase the listen queue size beyond 128 on a docker image with a read only file system? When I run my container I get the following error: uWSGI: – Listen queue size is greater than the system max net.core.somaxconn (128). I have a Dockerfile with base image python:2.7. I am trying to increa…
Get the auto id for inserted row into Redshift table using psycopg2 in Python
I am inserting a record into a Amazon Redshift table from Python 2.7 using psycopg2 library and I would like to get back the auto generate primary id for the inserted row. I have tried the usual ways I can find here or in other websites using google search, eg: I receive an error on cur.execute line : Does an…
Explicitly Define Datatype in Python Function
I want to define 2 variables in python function and define them as float explicitly. However, when i tried to define them in the function parameter, it’s showing syntax error. Please help me get the desired output. Here is the code: Answer Python is a strongly-typed dynamic language, which associates ty…
Python print indentations
In Python 3.x how do you print an indent of white space, the method I am looking for looked something like this should print: repeating answer from below: thanks to @sudo_coffee for t or maybe: Answer sorry guys, think I found the answer, thanks to @sudo_coffee for t or maybe:
Singleton array array(, dtype=object) cannot be considered a valid collection
Not sure how to fix . Any help much appreciate. I saw thi Vectorization: Not a valid collection but not sure if i understood this error below : Not sure how to fix . Any help much appreciate. I saw thi Vectorization: Not a valid collection but not sure if i understood this Answer This error arises because you…