I was coding today and noticed something. If I open a new interpreter session (IDLE) and check what’s defined with the dir function I get this: Please note the last line. So, my question is: Is any an alias of the other one? Are the Python guys planning to get rid of one of those? What should I use for
Tag: python
How can I pass data from Flask to JavaScript in a template?
My app makes a call to an API that returns a dictionary. I want to pass information from this dict to JavaScript in the view. I am using the Google Maps API in the JS, specifically, so I’d like to pass it a list of tuples with the long/lat information. I know that render_template will pass these variabl…
Print list without brackets in a single row
I have a list in Python e.g. I want to print the array in a single line without the normal ” [] Will give the output as; That is not the format I want instead I want it to be like this; Note: It must be in a single row. Answer This, like it sounds, just takes all the elements
Replacing a word in a text file with a value using python
I have been trying to replace a word in a text file with a value (say 1), but my outfile is blank.I am new to python (its only been a month since I have been learning it). My file is relatively large, but I just want to replace a word with the value 1 for now. Here is a segment
Weird Try-Except-Else-Finally behavior with Return statements
This is some code that is behaving peculiarly. This is a simplified version of the behavior that I’ve written. This will still demonstrate the weird behavior and I had some specific questions on why this is occurring. I’m using Python 2.6.6 on Windows 7. Results: Why is demo one returning 3 instea…
Measure website load time with Python requests
I’m trying to build a tool for testing the delay of my internet connection, more specifically web site load times. I thought of using the python requests module for the loading part. Problem is, it’s got no built-in functionality to measure the time it took to get the full response. For this I tho…
Cartesian product of x and y array points into single array of 2D points
I have two numpy arrays that define the x and y axes of a grid. For example: I’d like to generate the Cartesian product of these arrays to generate: In a way that’s not terribly inefficient since I need to do this many times in a loop. I’m assuming that converting them to a Python list and u…
Adding row/column headers to NumPy arrays
I have a NumPy ndarray to which I would like to add row/column headers. The data is actually 7x12x12, but I can represent it like this: where A is my 2x6x6 array. How do I insert headers across the first row and the first column, so that each array looks like this in my CSV output file? What I have
Does Gunicorn run on Windows
I have looked around for a while, and I was surprised not finding any information whether Gunicorn runs on Windows or not. Does anyone know if that is the case, and if so, where can I find some documentation about it? Answer Technically this is not an answer. But practically the answer I was looking for is ho…
Is there a “not equal” operator in Python?
How would you say does not equal? Like Is there something equivalent to == that means “not equal”? Answer Use !=. See comparison operators. For comparing object identities, you can use the keyword is and its negation is not. e.g.