62
votes
10
answers
2.4K
views
Assembly code vs Machine code vs Object code?
What is the difference between object code, machine code and assembly code? Can you give a visual example of
64
votes
1
answers
1K
views
Does TestCafe support sections in page objects (like Nightwatch does) ? If not, how can we achieve this in TestCafe?
We have rich UI with lot of web elements & multi levels of elements on UI segregated into sections. As p
51
votes
1
answers
935
views
How to add nested functions javascript in custom commands for Nightwatch testing- forEach -loop through elements
Hi I am new to javascript and Nightwatch, I am a manual tester who started doing automation about 6 months ago
57
votes
14
answers
1.7K
views
How to update an "array of objects" with Firestore?
I'm currently trying Firestore, and I'm stuck at something very simple: "updating an array (aka a su
62
votes
9
answers
1.5K
views
How to perform .Max() on a property of all objects in a collection and return the object with maximum value
I have a list of objects that have two int properties. The list is the output of another linq query. The
55
votes
11
answers
1.2K
views
Remove duplicates in the list using linq
I have a class Items with properties (Id, Name, Code, Price). The List of Items is populated with duplicated
60
votes
20
answers
3.1K
views
Dynamic LINQ OrderBy on IEnumerable<T> / IQueryable<T>
I found an example in the VS2008 Examples for Dynamic LINQ that allows you to use a sql-like string (e.g. Orde
62
votes
21
answers
1.9K
views
Add bottom border line to UI TextField view in SwiftUI / Swift / Objective-C / Xamarin
I would like to keep the border at the bottom part only in UITextField. But I don't know how we can keep
60
votes
9
answers
1.6K
views
What does the NS prefix mean?
Many classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean?
62
votes
6
answers
497
views
Send and receive messages through NSNotificationCenter in Objective-C?
I am attempting to send and receive messages through NSNotificationCenter in Objective-C. However, I haven&apo
55
votes
30
answers
1K
views
How do I test if a string is empty in Objective-C?
How do I test if an NSString is empty in Objective-C?
54
votes
25
answers
2.4K
views
How to link to apps on the app store
I am creating a free version of my iPhone game. I want to have a button inside the free version that takes peo
53
votes
30
answers
738
views
Placeholder in UITextView
My application uses an UITextView. Now I want the UITextView to have a placeholder similar to the one you can
57
votes
19
answers
2.3K
views
How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them. But how do I create them?
53
votes
20
answers
727
views
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
Is there a way to call a block with a primitive parameter after a delay, like using performSelector:withObject
55
votes
30
answers
2.9K
views
How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3 I tried things like: [[UIDevice curren
57
votes
14
answers
499
views
59
votes
12
answers
542
views
How do I animate constraint changes?
I'm updating an old app with an AdBannerView and when there is no ad, it slides off screen. When there is
61
votes
14
answers
1.3K
views
Constants in Objective-C
I'm developing a Cocoa application, and I'm using constant NSStrings as ways to store key names for
63
votes
23
answers
2.2K
views
How do I check if a string contains another string in Objective-C?
How can I check if a string (NSString) contains another smaller string? I was hoping for something like: NSS
