Try executing the following in JavaScript: parseInt(’01’); //equals 1 parseInt(’02’); //equals 2 parseInt(’03’); //equals 3 parseInt(’04’); //equals 4 parseInt(’05’); //equals 5 parseInt(’06’); //equals 6 parseInt(’07’); //equals 7 parseInt(’08’); //equals 0 !! parseInt(’09’); //equals 0 !! I just learned the hard way that JavaScript thinks the leading zero indicates an octal integer, and since there is … Read more
I know that if you compare a boxed primitive Integer with a constant such as: Integer a = 4; if (a < 5) a will automatically be unboxed and the comparison will work. However, what happens when you are comparing two boxed Integers and want to compare either equality or less than/greater than? Integer a … Read more
The following code: $string = “1,2,3” $ids = explode(‘,’, $string); var_dump($ids); Returns the array: array(3) { [0]=> string(1) “1” [1]=> string(1) “2” [2]=> string(1) “3” } I need for the values to be of type int instead of type string. Is there a better way of doing this than looping through the array with foreach … Read more
How do you convert an int (integer) to a string? I’m trying to make a function that converts the data of a struct into a string to save it in a file. 11 Answers 11
I’ve been working with data imported from a CSV. Pandas changed some columns to float, so now the numbers in these columns get displayed as floating points! However, I need them to be displayed as integers or without comma. Is there a way to convert them to integers or not display the comma? 11 Answers … Read more
In Python, how do you find the number of digits in an integer? 28 Answers 28
In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767. In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647. I do not understand how the range is different in Java, even though the number of bits is the same. Can someone explain … Read more
Is there a way to declare an unsigned int in Java? Or the question may be framed as this as well: What is the Java equivalent of unsigned? Just to tell you the context I was looking at Java’s implementation of String.hashcode(). I wanted to test the possibility of collision if the integer were 32 … Read more
I want to extract the digits from a string that contains numbers and letters like: “In My Cart : 11 items” I want to extract the number 11. 23 Answers 23
The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers. @IBOutlet var txtBox1 : UITextField @IBOutlet var txtBox2 : UITextField @IBOutlet var txtBox3 : UITextField @IBOutlet … Read more
