digits

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PHP Leftmost digit

let\'s say I have a variable containing an integer or a float (since integers might overflow into a float in PHP).[详细]

2023-01-06 06:12 分类：问答
Fastest way to pad a number in Java to a certain number of digits

Am trying to create a well-optimised bit of code to create number of X-digits in length (where X is read from a runtime properties file), based on a DB-generated sequence number (Y), which is then use[详细]

2023-01-02 19:02 分类：问答
Prolog: find all numbers of unique digits that can be formed from a list of digits

The best thing I could come up with so far is this function: numberFromList([X], X) :- digit(X), !. numberFromList(List, N) :-[详细]

2022-12-31 23:49 分类：问答
Given a number series, finding the Check Digit Algorithm...?

Suppose I have a series of index numbers that consists of a check digit. If I have a fair enough sample (Say 250 sample index numb开发者_开发百科ers), do I have a way to extract the algorithm that has[详细]

2022-12-21 00:41 分类：问答
Controlling number of decimal digits in print output in R

There is an option in R to get control over digit display. For example: options(digits=10) is supposed to give the calculation results in 10 digits till the end of R session. In the help file of R,[详细]

2022-12-21 00:21 分类：问答
Multiplying two number arrays

Can anyone please tell m开发者_JS百科e how to multiply two number arrays in C? The number arrays are basically derived from two strings containing digits. eg: 123456 and 132465.[详细]

2022-12-13 17:56 分类：问答
Check if string contains only digits

I want to check if a string contains only digits. I used this: var isANumber = isNaN(theValue) === false;[详细]

2022-12-12 09:06 分类：问答
C#: Anything similar to the php ctype_digit function for C#?

I have a string and I want to check that it only consists of digits. I don\'t really want to (or need to) parse it o开发者_如何学Pythonr anything, I just want to know that it does not contain anything[详细]

2022-12-11 21:26 分类：问答
What programming language will enable me to enter a very long number without converting it to floating point?

What would be the best way to do the following. Enter a very long number, lets say 500,000 digits long without it going into scientific notation; and then am able to do math with it, like +2 etc.?[详细]

2022-12-10 17:23 分类：问答