I have a ECC key value in a text file, a set of lines. I want to assign that value to a variable for further use. Though I can read the key value from the file, I have no idea as how to assign the value to a variable. I dont want it as an array. For example: I’m on
Tag: python
Change the value of a variable with a button (Tkinter)
I want to change the value of a variable just with a button, i don’t want to create a new entire function just like that: How i can do that? (I need to do that for six buttons, making six functions it’s not an option) Answer i need to make this for 6 buttons… If each button modifies the same
How to insert a python program into a bash script?
I have a small python program that parses a text file and writes the output to another file. Currently, I am writing a bash script to call this program several times, it looks something like: This works fine but I want to know if it is possible to have the python program inside the bash script file so when an…
How to make the elements of a NumPy array property settable?
I have a property of a Python object that returns an array. Now, I can set the setter of that property such that the whole array is settable. However, I’m missing how to make the elements by themselves settable through the property. I would expect from a user perspective (given an empty SomeClass class)…
How to rename PDF file, with texts extracted from the PDF file?
I am trying to use Python to rename PDF file using part of the file content. Here is the situation. The PDF file is a commercial invoice, contains wordings “Commercial Invoice” and “Department”. I want to rename the file to “Commercial Invoice” and ” Department “…
ImportError: No module named scipy
I am using Python 2.7 and trying to get PyBrain to work. But I get this error even though scipy is installed – I have installed scipy using this command – I get – What should I do? Answer Try to install it as a python package using pip. You said you already tried: Now run: I ran both and
Pandas – Compute z-score for all columns
I have a dataframe containing a single column of IDs and all other columns are numerical values for which I want to compute z-scores. Here’s a subsection of it: Some of my columns contain NaN values which I do not want to include into the z-score calculations so I intend to use a solution offered to thi…
Python “raise from” usage
What’s the difference between raise and raise from in Python? which yields and which yields Answer The difference is that when you use from, the __cause__ attribute is set and the message states that the exception was directly caused by. If you omit the from then no __cause__ is set, but the __context__…
Test if an array is broadcastable to a shape?
What is the best way to test whether an array can be broadcast to a given shape? The “pythonic” approach of trying doesn’t work for my case, because the intent is to have lazy evaluation of the operation. I’m asking how to implement is_broadcastable below: or better yet: Answer I reall…
Extending numpy.digitize to multi-dimensional data
I have a set of large arrays (about 6 million elements each) that I want to basically perform a np.digitize but over multiple axes. I am looking for some suggestions on both how to effectively do this but also on how to store the results. I need all the indices (or all the values, or a mask) of array A