Linked Questions

I have installed python 3.6 and python 2.7. Currently the default version of python running on Terminal is python 2.7. I would like to install a package based on python 3.6. So first I need to change ...

Complete newb here. What exactly is this line "#!/usr/bin/" I see at the top of every.py file in all of the tutorials? I assume it's the location of that particular file? I don't understand the ...

The problem with this question is that I do not the proper words to refer to my problem. Let me be clear about what I'm not asking. I'm not asking how to execute a python file. I can already do ...

I see these at the top of Python files: #!/usr/bin/env python #!/usr/bin/env python3 It seems to me that the files run the same without that line.

What exactly is POSIX? I have read the Wikipedia article but I still don't understand.

How does kernel get an executable binary file running under linux? It seems a simple question, but anyone can help me dig deep? How the file is loaded to memory and how execution code get started? ...

I am deploying a command-line tool that is written in Java that accepts command-line arguments. I have it packaged as a JAR file because it is convenient to have a single file. The problem is that ...

I have ubuntu 10.04 with python2.6 by default. I have installed python2.7. When I want to install python packages with apt-get python-<package> it gets installed to python2.6. How can I ...

How can you run Flask app which uses a specific version of python? On my env "python" = python2.7 and "python3" = python3.6. I have installed Flask using pip3. I start the app with FLASK_APP=app.py ...

I am transforming from windows to Macos and want to install python. It came with an old version of python 2.7 in the computer, so I download python 3 using the pyenv install command. But when I input ...

I'm using python to solve the 'Longest Common Prefix ' problem in leetcode. Here is my code: class Solution: # @param {string[]} strs # @return {string} def longestCommonPrefix(self, strs): if ...

I want to invoke a python script in a js file using python-shell. However the script requires python3 and py2 is always used, while my local development has both py2 and 3 installed. How do i specify ...

I've finally decided to start learning python as my first language and so far i love it. I;m using python3 along with IDLE3. When writing a simple password prompt im running into a problem :/ script ...

I recently learned about the hashbang syntax for writing comments in JavaScript, and need to know if it is or has the potential to be any different then just putting a // at the top of a file. Are ...