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Tag: Converting Integers

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?

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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:

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Python Programming

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:

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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:

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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

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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 […]

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How to split a string of space separated numbers into integers?

January 3, 2021 Jeffrey Schneider

Question or problem about Python programming: I have a string “42 0” (for example) and need to get an array of the two integers. Can I do a .split on a space?

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Integer square root in python

January 2, 2021 Aba Tayler

Question or problem about Python programming: Is there an integer square root somewhere in python, or in standard libraries? I want it to be exact (i.e. return an integer), and bark if there’s no solution.

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Python Programming

In Django models.py, what’s the difference between default, null, and blank?

December 30, 2020 Abreonia Ng

Question or problem about Python programming: What’s the difference? When do you use what? How to solve the problem: Solution 1: Direct from Django model field reference: Field.null If True, Django will store empty values as NULL in the database. Default is False. Note that empty string values will always get stored as empty strings, […]

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Converting to Char/String from Ascii Int in Swift

December 30, 2020 Aba Tayler

Question or problem in the Swift programming language: I’m trying to convert the integer representation of an ascii character back into a string.

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