numbers

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How to sort numbers correctly with Array.sort()? [duplicate]

This question already has answers here: How to sort an array of integers correctly (32 answers) 开发者_JAVA百科[详细]

2023-03-26 21:01 分类：问答
IOS: check a textfield text

In a textfield I should write a number: this number can be with point (10.23) or without poin (10); but I should to check that this number is a number and not a word. Can I开发者_JAVA百科 check if in[详细]

2023-03-26 08:08 分类：问答
Rounding vs truncation in Math class in Java

At present I am doing this: long x = Math.round((numberFormat(Collections.min(te开发者_如何学运维mpList)) * 1000) / 1000);[详细]

2023-03-26 06:24 分类：问答
random number generation how?

I was wondering how the random number functions work. I mean is the server time u开发者_如何学Gosed or which other methods are used to generate random numbers? Are they really random numbers or do the[详细]

2023-03-25 20:29 分类：问答
Reading numbers from a file to variables (Perl)

I\'ve been trying to write a program to read columns of text-formatted numbers into Perl variables. Basically, I have a file with descriptions and numbers:[详细]

2023-03-25 14:18 分类：问答
Check string for numbers in Python

How to check if string contains numbers in Python? I have a variable which I am convert to float, but I want to make if statement, to 开发者_开发百科convert it to float only if it contains only numbe[详细]

2023-03-25 01:28 分类：问答
Can anyone perhaps teach me how to further optimize this 'print up to the nth prime number' script? [closed]

Closed. This question is off-topic. It is not currently accepting answers. 开发者_JS百科Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-03-25 01:12 分类：问答
how to construct a sequence of positive integers with a unique sum of any contiguous numbers?

For example: 1,2,4,5 has the following sum: 1,2,4,5 3,6,9 7,11 12 and every sum is unique. Now, 1,2,3 has the following sum:[详细]

2023-03-24 22:43 分类：问答
Best method to deal with numbers? Getting and changing individual digits

I want to take a 1 to 17 digit number, then put it through a series of logic loops that will change various digits of the number. I need to be able to do the following:[详细]

2023-03-24 13:23 分类：问答
The maximum value for an int type in Go

How does one specify the maximum value representable for an unsig开发者_StackOverflowned integer type?[详细]

2023-03-24 10:38 分类：问答