Converting Floating-Point Values to Integers Archives

Kotlin: convert Int to Hex String in Kotlin

January 17, 2021 Eaton Kyle

Question or issue of Kotlin Programming: I’m looking for a similar function to Java’s Integer.toHexString() in Kotlin. Is there something built-in, or we have to manually write a function to convert Int to String?

negative zero in python

January 14, 2021 Oceane Wilson

Question or problem about Python programming: I encountered negative zero in output from python; it’s created for example as follows:

Could not find an overload for ‘*’ that accepts the supplied argument

January 14, 2021 Bell Jacquise

Question or problem in the Swift programming language: I have converted a String to an Int by by using toInt(). I then tried multiplying it by 0.01, but I get an error that says Could not find an overload for ‘*’ that accepts the supplied argument. Here is my code:

numpy float: 10x slower than builtin in arithmetic operations?

January 13, 2021 Jeffrey Schneider

Question or problem about Python programming: I am getting really weird timings for the following code:

More precision than double in swift

January 13, 2021 Simon Abital

Question or problem in the Swift programming language: Are there are any floating points more accurate than Double available in Swift? I know that in C there is the long double, but I can’t seem to find its equivalent in Apple’s new programming language.

Counting positive integer elements in a list with Python list comprehensions

January 10, 2021 Odhran Miss

Question or problem about Python programming: I have a list of integers and I need to count how many of them are > 0. I’m currently doing it with a list comprehension that looks like this:

Casting an int to a string in Python

January 8, 2021 Aba Tayler

Question or problem about Python programming: I want to be able to generate a number of text files with the names fileX.txt where X is some integer:

Swift extract an Int, Float or Double value from a String (type-conversion)

January 8, 2021 Jeffrey Schneider

Question or problem in the Swift programming language: Please could you help me here? I need to understand how to convert a String into an Int, Float or Double! This problem occurs when I’m trying to get the value from an UITextField and need this type of conversion!

How to get integer values from a string in Python?

January 4, 2021 Ollie MC

Question or problem about Python programming: Suppose I had a string

Split an integer into digits to compute an ISBN checksum

January 4, 2021 Simon Abital

Question or problem about Python programming: I’m writing a program which calculates the check digit of an ISBN number. I have to read the user’s input (nine digits of an ISBN) into an integer variable, and then multiply the last digit by 2, the second last digit by 3 and so on. How can I […]