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Recent questions tagged Integer

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integer - What's the correct way to test if a variable is a number in PHP?
    When I fetch data from a database, the result is a string even if it has an number value. Here's what I ... want both of these to return true. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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522 views
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integer - A fast algorithm for minimum spanning trees when edge lengths are constrained?
    Suppose that you have a directed graph with nonnegative, integer edge lengths that are in the range 0 to U - 1, ... to be in some range? Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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538 views
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integer promotion - Usual arithmetic conversions in C : Whats the rationale behind this particular rule
    From k&R C First, if either operand is long double, the other is converted to long double. Otherwise, if either ... b and c were short ? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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567 views
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integer - Android/Java: Rounding up a number to get no decimal
    How to round up a decimal number to a whole number. 3.50 => 4 4.5 => 5 3.4 => 3 How do you do this in Java? Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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471 views
1 answer
integer - PHP gives incorrect results when formatting long numbers
    I am working with huge numbers for website purposes and I need long calculation. When I echo a long number ... getting the value assigned to $x See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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619 views
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integer - Whats the size of an SQL Int(N)?
    Simple question. I have tried searching on Google and after about 6 searches, I figured it would be faster here. ... else I have no idea about? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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800 views
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integer division - How to compute 2??/n in C?
    How to compute the integer division, 264/n? Assuming: unsigned long is 64-bit We use a 64-bit CPU 1 ... ) or cleaner (coding) implementation? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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635 views
1 answer
integer - Pretty file size in Ruby?
    I'm trying to make a method that converts an integer that represents bytes to a string with a 'prettied up' ... end What am I doing wrong? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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763 views
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integer - Swift convert UInt to Int
    I have this expression which returns a UInt32: let randomLetterNumber = arc4random()%26 I want to be able to use ... it in the if statement? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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470 views
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integer - Why is an int in OCaml only 31 bits?
    Haven't seen this "feature" anywhere else. I know that the 32nd bit is used for garbage collection. But why ... not for the other basic types? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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674 views
1 answer
integer - Divison and remainder in Prolog
    Trying to figure out how to write a recursive predicate divide_by(X, D, I, R) that takes as input a positive ... would I go about doing this? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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592 views
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integer - Modulo in JavaScript - large number
    I try to calculate with JS' modulo function, but don't get the right result (which should be 1). Here ... the problem here? Regards, Benedikt See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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602 views
1 answer
integer - Ruby gets/puts only for strings?
    I'm new to Ruby and am currently working on some practice code which looks like the following: puts 'Hello there ... I'm going wrong please? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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686 views
1 answer
integer - Should I use uint in C# for values that can't be negative?
    I have just tried implementing a class where numerous length/count properties, etc. are uint instead of int. ... isn't really wanted. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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646 views
1 answer
integer - why is not (123 == 0123) in java?
    I am developing an application in Android using Eclipse. I wrote the following code and in tests the first and third ... )123) { //reachable } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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511 views
1 answer
integer - Calculating large factorials in C++
    I understand this is a classic programming problem and therefore I want to be clear I'm not looking for code as ... the quotient is less than 5 See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
478 views
1 answer
integer - Convert a number to a string with specified length in C++
    I have some numbers of different length (like 1, 999, 76492, so on) and I want to convert them all to strings ... a function like this in C++? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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473 views
1 answer
integer - Clarification of L in R
    My trail on L in R is: c<-1:10 c # [1] 1 2 3 4 5 6 7 8 9 10 c[-1] # [1] 2 3 4 5 6 7 ... indeed is x[<n>L]? Any example for further usage of it? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
711 views
1 answer
integer - Convert int to ASCII and back in Python
    I'm working on making a URL shortener for my site, and my current plan (I'm open to suggestions) is ... there are better ones. Any suggestions? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
672 views
1 answer
integer - Javascript parsing int64
    How can I convert a long integer (as a string) to a numerical format in Javascript without javascript rounding it? ... two if at all possible. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
525 views
1 answer
integer - What does "0 but true" mean in Perl?
    Can someone explain what exactly the string "0 but true" means in Perl? As far as I understand, it equals ... a special case in the interpreter? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
616 views
1 answer
integer - Inconsistent behavior on java's ==
    Consider this code: class test { public static void main(String[] args) { test inst_test = new test ... practical reason for this inconsistency? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
540 views
1 answer
integer - How would you set a variable to the largest number possible in C?
    How would you set a variable to equal infinity (or any guaranteed largest number value) in C? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
661 views
1 answer
integer - C usual arithmetic conversions
    I was reading in the C99 standard about the usual arithmetic conversions. If both operands have the same type, then no ... you for your time :-) See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
885 views
1 answer
integer - Hex string to signed int in Python 3.2?
    How do I convert a hex string to a signed int in Python 3.2? The best I can come up with is h ... library xml version and iTunes hex version See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
501 views
1 answer
integer - Simulate int variables with byte or short
    As you know there is no int variable on JavaCard 2.2.x. I need integer variables for the applet I' ... using byte and short variables. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
476 views
1 answer
integer - Java 3.6 Checking inputs
    Ask the user to "Input a number: " 4 times. If the input is not a number, ask again. Output "success." after they ... "success."); } This is very basic stuff but I am struggling....
asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)
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