What is wrong here? I’ve got but this snippet of code below works correctly I’ve tried out to change quotes (from ” into ‘ or with ” and so on) but it doesn’t work. Answer The problem is related with the double quotes (“). On the first snippet, when you join the ̵…
Tag: python
Merging results from model.predict() with original pandas DataFrame?
I am trying to merge the results of a predict method back with the original data in a pandas.DataFrame object. To merge these predictions back with the original df, I try this: But that raises: ValueError: Length of values does not match length of index I know I could split the df into train_df and test_df an…
Display an astropy Quantity within a LaTeX string
I’m looking for a way to render astropy variables inside LaTeX strings within an IPython notebook. For example, given a simple premise, the speed of light is beautifully rendered by default as: by simply typing it in the ipython prompt. Now, what if I would like to embed this in a string? How to hop on …
Numpy Array Conditional Operation Mask?
Suppose you have an array: a = [ 0,1,0] [-1,2,1] [3,-4,2] And lets say you add 20 to everything b = [ 20, 21, 20] [ 19, 22, 21] [ 23, 16, 22] Now lets say I want to add the resulting b to the original array a but only in cases where a < 0 i.e at the index
Signal emitting in Python causes exit code 139
Im trying to make function, which passes 8 values to the progress bars in window app made with QtDesigner. That is there is a function which actually generates this values. I want to execute it every second in order to get theese values and update progress bars which displays values. I combined tutorials abou…
python sqlite3 OperationalError: attempt to write a readonly database
I am trying to run a Flask REST service on CentOS Apache2 using WSGI. The REST service requires a very small storage. So i decided to use SQLite with sqlite3 python package. The whole application worked perfectly well on my local system and on the CentOS server when ran using app.run(). But when i used WSGI t…
Passing a row ID in a table to a modal in flask (python)
I have an HTML table which displays some data from a database table.Data is displayed by using a loop.Each row has a button that is also generated via a loop. Am using the button to edit data in a row. When a button is clicked, a modal pops up with data to be edited.The problem is that it only picks
Autogenerate Markdown index from a recursive folder with makdown files in python
Hi I have a folder with many subfolders with markdown (.md) files and I want to generate an index for this. I try this But the generated file did´t show a linked html view, it’s shown as a plain text [name](url). as I shown in the picture And also if it’s possible create a heading at least for the…
Understanding scipy deconvolve
I’m trying to understand scipy.signal.deconvolve. From the mathematical point of view a convolution is just the multiplication in fourier space so I would expect that for two functions f and g: Deconvolve(Convolve(f,g) , g) == f In numpy/scipy this is either not the case or I’m missing an importan…
Why can’t a module be a context manager (to a ‘with’ statement)?
Suppose we have the following mod.py: and the following use of it: I get an error: According to the documentation the documentation the with statement should execute as follows (I believe it fails at step 2 and therefore truncate the list): The context expression (the expression given in the with_item) is eva…