Foundation is a framework written in Objective-C that implements many useful classes and functions.
I need to check if an dict has a key or not. How?
objective-c foundationHow can an object be added at a specific index of an NSMutableArray? How is an object added to the …
objective-c nsmutablearray foundationIn a swift playground, I have been using NSDate.date() But, this always appears with the time element appended. For …
ios time swift nsdate foundationIn Objective-C, my program opens a window and displays a table. I want to have a specified row of the …
cocoa foundation nsindexsetI need to create a CGSize to compute text height of an arbitrary text with arbitrary length. UIKit has this …
objective-c ios foundation core-foundation cgfloatI need to extract the contents of the title tag from an HTML page displayed in a UIWebView. What is …
ios objective-c iphone uiwebview foundationI want to replace a substring (e.g. @"replace") of an NSAttributedString with another NSAttributedString. I am looking for an …
string cocoa replace nsattributedstring foundationI have a variable fileData of Data type and I am struggling to find how to print the size of …
ios swift cocoa-touch nsdata foundationI got a really interesting question. Inside one of my classes I declared a very simple instance method -(NSDictionary)…
iphone nsdictionary foundationhow to calculate the age based on the birth date in this format 6/24/1976 mon/date/year...
ios date nsdate foundation