Advertisements As a student, I have a course about using new features in Python3.8+ and it also includes Python3.10. So I’m now trying to use match-case in my homework to kill a long series of if-else which should be replace by switch-case in cpp. In my homework I need a function to convert string "male/female/…"… Read More Performance variance among string-compare methods
Advertisements For C++20, is there a library equivalent of Java’s StringUtils.indexOfDifference()? What is the efficient way of comparing two large strings and determining where they differ? >Solution : You can use std::mismatch from <algorithm> Returns the first mismatching pair of elements from two ranges For example #include <algorithm> #include <iostream> #include <iterator> #include <string> std::size_t… Read More C++ equivalent of Java StringUtils.indexOfDifference
Advertisements My code is reading the header of a csv file and converting that to a lookup table of column_name=>column_index: class CSVOutput: def __init__(self, csv_file, required_columns): csv_reader = csv.reader(csv_file) # Construct lookup table for header self.header = {} for idx, column in enumerate(next(csv_reader)): print(f"{column.lower().strip()} == key: {column.lower().strip() == ‘key’}") print(f"{column.lower().strip()} is key: {column.lower().strip() is ‘key’}")… Read More String in set gives weird results
Advertisements I am busy making a spell checker and when I compare the word I’m to the dictionary version im it returns false. I used strcasecmp to compare them case insensitively but the apostrophe is still a problem. How can I compare the two (punctuation insensitively) and get true as the output? >Solution : Write… Read More how can you compare two strings punctuation insensitively?