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Tag: python

How to matches anything except space and new line?

I have a string, I just want to match string for any character except for space and new line. What must be regular expression for this? I know regular expressions for anything but space i.e. [^ ]+ and regular expression for anything but new line [^n]+ (I’m on Windows). I am not able to figure how to clu…

NameError: global name ‘END’ is not defined

I have found this code about scrollbar is just working fine. I try to use it in my code like this: But when I ran above code, I got an error on insertion line. By the way, I tried to find documentation and a link from effbot is the closest I got but still couldn’t understand what is wrong. Answer

Counting dictionary elements from Perl to Python

Looking for a best way to translate this piece of code from Perl to Python: If I understand it correctly the cycle above iterates through each element in arr array and how many time host appear, how many bytes count are related to it and errors… But I don’t quite get the meaning of default variabl…

PyQt: How to connect QComboBox to function with Arguments

QComboBox is connected to a function using following syntax: But I need to be able to send the arguments from ComboBox to myFunction(). But if I use: I am getting What syntax needs to be used to connect a QComboBox to a function that is able to receive arguments sent from Comobobox? EDITED LATER: Here is the …

Ran Pycharm debug which ended with exit code -1

Just a quick question but I ran Pycharm debug on a lengthy series of test scripts and the end result was: I was just wondering what this means given that exit code 0 is a pass and exit code 1 is a fail. (is it super awesome code to end in -1?) Answer You may be seeing that exit code

How to write DataFrame to postgres table

There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine. Answer Starting from pandas 0.14 (released end of May 2014), postgresql is supported. The sql module now uses sqlalchemy to support different databas…

Convert array 1:n in matlab to python

I have question similar to this, and possibly a much simpler one: We use the a lot in Matlab. But in Python I simply struggle to get this simple thing work. I tried using arange, but never really realized what the error is: I went to the numpy website and tried to give the syntax there, but again: I wouldn&#8…

Plot histogram with colors taken from colormap

I want to plot a simple 1D histogram where the bars should follow the color-coding of a given colormap. Here’s an MWE: which outputs this: Instead of the color being green for the entire histogram, I’d like the columns to follow a color-coding given by the colormap defined in cm and the values of …