Fix Python – What is the source code of the “this” module doing?

If you open a Python interpreter, and type “import this”, as you know, it prints:

The Zen of Python, by Tim Peters
Beautiful is better than ugly.
Explicit is better than implicit.
Simple is better than complex.
Complex is better than complicated.
Flat is better than nested.
Sparse is better than dense.
Readability counts.
Special ….

Fix Python – How can I specify working directory for popen

Is there a way to specify the running directory of command in Python’s subprocess.Popen()?
For example:
Popen(‘c:\mytool\tool.exe’, workingdir=’d:\test\local’)

My Python script is located in C:\programs\python
Is is possible to run C:\mytool\tool.exe in the directory D:\test\local?
How do I set the working directory for a sub-process?

Fix Python – Purpose of #!/usr/bin/python3 shebang

I have noticed this in a couple of scripting languages, but in this example, I am using python. In many tutorials, they would start with #!/usr/bin/python3 on the first line. I don’t understand why we have this.

Shouldn’t the operating system know it’s a python script (obviously it’s installed since you are making a reference to it)
What if the u….

Fix Python – How do I raise the same Exception with a custom message in Python?

I have this try block in my code:
except ValueError as err:
errmsg = ‘My custom error message.’
raise ValueError(errmsg)

Strictly speaking, I am actually raising another ValueError, not the ValueError thrown by do_something…(), which is referred to as err in this case. How do I attac….

Fix Python – How to calculate the time interval between two time strings

I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I’ve been looking through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can’t get it to work properly and keep finding only how t….

Fix Python – Find column whose name contains a specific string

I have a dataframe with column names, and I want to find the one that contains a certain string, but does not exactly match it. I’m searching for ‘spike’ in column names like ‘spike-2’, ‘hey spike’, ‘spiked-in’ (the ‘spike’ part is always continuous).
I want the column name to be returned as a string or a variable, so I access the column later wi….

Fix Python – Check if a word is in a string in Python

I’m working with Python, and I’m trying to find out if you can tell if a word is in a string.
I have found some information about identifying if the word is in the string – using .find, but is there a way to do an if statement. I would like to have something like the following:
if string.find(word):