For some time now I have written some basic scripts with Python, in some tutorials sometimes I get the yield , which usually appears in repetition structures commonly while . What is it for? And how to use?
I have an array of values that can include several numpy.nan:
import numpy as np
a = np.array ( [1, 2, np.nan, 4] )
And I want to iterate over your items to create a new array without np.nan.
The way I know to create arrays dynamically...
In R , there is a lot of freedom and variety in function names between packages. Names with dot ( get.this ), names with camelCase ( getThis ), names with underline ( get_this ). This has its pros and cons: but the fact i...
I'm going to start a project in the faculty related to search engines and I want to take the opportunity to also learn Python.
I do not know much about language, and my biggest question is which version, between 3.x and 2.7, has better suppor...
I use Mac OS and use HomeBrew as the package manager.
I installed python 2.7.10 . Along with this installation was to have occurred with pip . However the following problem occurs:
Hello! I recently decided to start studying the Python language, however, when researching the language, I noticed that there are differences between version 2 and 3. Are these differences really significant?
The Shannon entropy is given by the formula:
WhereTiwillbethedataextractedfrommynetworkdump(dump.pcap).TheendofanHTTPheaderonaregularconnectionismarkedby\r\n\r\n: ExampleofanincompleteHTTPheader(couldbeadenialofserviceattack): Mygoalistocalc...
Let's imagine that I have a list
['rato', 'roeu', 'rolha', 'rainha', 'rei', 'russia']
and another list with prefixes
['ro', 'ra', 'r']
How do I count how many times each prefix is within the first list?