IOS CAST NSINTEGER TO STRING

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Sign up or log in Sign up using Google. But the problem is that I get this error: CGFloat increases from a 4 byte float to an 8 byte double. Guillaume Bonnin Guillaume Bonnin 4. Instead, we should just: Home Questions Tags Users Unanswered.

Sign up using Facebook. Remember my comment about sending “negative” rather than nil as the default value for the negative sign? If, on the other hand, the exercise is to implement your own solution from scratch, then I would consider it cheating to use NSMutableString stringWithFormat: A pointer’s value can never be negative, and 0 is nil essentially. Martha Martha 1 9 A pointer could be nil in which case this would evaluate false , however you can’t put nil pointers inside an NSArray.

You should update your answer to follow this advise. The actual absolute value of this number can’t be represented as an NSInteger When we want to pass a null value for an argument expecting an Objective-C tto, we should use nil rather than NULL. We’ve declared this method in our.

interview questions – Convert NSInteger into NSString – Code Review Stack Exchange

To convert your integer to string you can convert it in NSNumber and use the method stringValue like this:. When compiling with support for arm64this won’t generate a warning: If, on the other hand, the exercise is to implement your own solution from scratch, then I would consider it cheating to use NSMutableString stringWithFormat: Either way, I would consider your solution to be a failed response in an interview situation.

Steven I’ve tried to delete the answer in order to have the current, more applicable ones, surface and be accepted, but apparently, accepted answers cannot be deleted. Jacob Strinng Jacob Relkin k 24 An NSInteger has the method stringValue that can be used even with a literal. I have no idea why this is not the ” recommended way “. Stack Overflow works best with JavaScript enabled.

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Reference see Objective-C literals – literals remove lots nainteger ugly boilerplate code cluttering up your codebase: Also take into consideration the naming for the methods that Apple used. Sign up or log in Sign up using Google.

Longer methods names that actually tell Mr.

How to convert an int to a string

By clicking “Post Cst Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Both of these will always evaluate to true because in any instance they’d evaluate to false, the app would have crashed before getting to this point.

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If not, simply remove its declaration from the. It’s not really necessary for it to be publicly available, and using [self class] to call it just looks clunky.

How to Convert Between Datatypes Types in Xcode

Relevant to my casst it also summarises the changes to the sizes of a number of the built-in data types:. This is just a consideration if you’d be using it in a huge loop. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Sign up using Facebook. A typical example where both expectedCount and count were of type NSInteger: As a final note, I’d probably make tripleAsText: Much better than rolling a manual ‘spell out’ that takes into account i18n and accessibility.

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Convert NSUInteger into NSString? – Apple Community

Much better solution, thank you. I’ve also eliminated the call to the ABS macro, because, well, it’s not needed. Nazir Nazir 1, 19 NSInteger number; – instancetype initWithInteger: There might be some scenarios where a define is necessary and good, but for simple constant values, we shouldn’t do this.

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Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of io website is subject to these policies.

Post as nsintever guest Name. A pointer’s value can never be negative, and 0 is nil essentially.

The version of Clang supplied with Xcode has over time added a number of additional warnings for potentially unsafe code. Sign up or log in Sign up using Google. Since this is the only strign in which we actually need the string “zero” and is definitely a special case, I’d just write this as: Did a benchmark with iterations and got 0.

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It makes use of the z and t length modifiers described as follows in the String Programming Guide:. The largest possible NSInteger value is just over 9 quintillion. NSInteger is a typedef which serves as a bit integer strijg bit systems and a bit integer on bit systems.

This is generally a good thing but I was a little alarmed recently when I opened a project and found the unit test classes had dozens of warnings:. You can use with Boxed Expressions.

NSInteger value; We’ve declared this method in our. Since NSInteger is a typedef for a primitive type int on 32Bit and long on 64bit it does not have an methods.