How to catch a Nan?
How to catch a Nan? NaN is not equal to any value, including NaN, use this property instead of the equal-to operator (==) or not-equal-to operator (!=) to test whether a value is or is not NaN. Nan represents Not a number When it happens to get a…
How to validate or Allow Only Numeric value TextField in IOS or objective-c
How to validate or Allow Only Numeric value TextField in IOS or objective-c In whatever UITextField you’re getting these values from, you can specify the kind of keyboard you want to appear when somebody touches inside the text field. Check the…