What is the difference between object code, machine code and assembly code? Can you give a visual example of
We have rich UI with lot of web elements & multi levels of elements on UI segregated into sections. As p
Hi I am new to javascript and Nightwatch, I am a manual tester who started doing automation about 6 months ago
I'm currently trying Firestore, and I'm stuck at something very simple: "updating an array (aka a su
I have a class Items with properties (Id, Name, Code, Price). The List of Items is populated with duplicated
I found an example in the VS2008 Examples for Dynamic LINQ that allows you to use a sql-like string (e.g. Orde
I would like to keep the border at the bottom part only in UITextField. But I don't know how we can keep
Many classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean?
I am attempting to send and receive messages through NSNotificationCenter in Objective-C. However, I haven&apo
How do I test if an NSString is empty in Objective-C?
I am creating a free version of my iPhone game. I want to have a button inside the free version that takes peo
My application uses an UITextView. Now I want the UITextView to have a placeholder similar to the one you can
I know how delegates work, and I know how I can use them. But how do I create them?
Is there a way to call a block with a primitive parameter after a delay, like using performSelector:withObject
I want to check if the iOS version of the device is greater than 3.1.3 I tried things like: [[UIDevice curren
I'm updating an old app with an AdBannerView and when there is no ad, it slides off screen. When there is
I'm developing a Cocoa application, and I'm using constant NSStrings as ways to store key names for
How can I check if a string (NSString) contains another smaller string? I was hoping for something like: NSS