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Send and receive messages through NSNotificationCenter in Objective-C?
...nter defaultCenter] removeObserver:self];
[super dealloc];
}
- (id) init
{
self = [super init];
if (!self) return nil;
// Add this instance of TestClass as an observer of the TestNotification.
// We tell the notification center to inform us of "TestNotification"
// notifica...
How to run a single RSpec test?
...nfig.filter_run_when_matching :focus
end
And then add a focus tag to the it, context or describe to run only that block:
it 'runs a test', :focus do
...test code
end
RSpec documentation:
https://www.rubydoc.info/github/rspec/rspec-core/RSpec/Core/Configuration#filter_run_when_matching-instan...
Insert a commit before the root commit in Git?
I've asked before about how to squash the first two commits in a git repository.
15 Answers
...
When should I use OWIN Katana?
...question is: What do I lose if I skip learning OWIN and use IIS for my websites?
5 Answers
...
Command not found when using sudo
...ied
In order to run a script the file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the command that is used to change the permission settings of a fil...
How to show android checkbox at right side?
...t right side and checkbox at left
I want to show checkbox at right side with text at left
15 Answers
...
In c# is there a method to find the max of 3 numbers?
...
Well, you can just call it twice:
int max3 = Math.Max(x, Math.Max(y, z));
If you find yourself doing this a lot, you could always write your own helper method... I would be happy enough seeing this in my code base once, but not regularly.
(Note ...
Why there is no ForEach extension method on IEnumerable?
...s the job most of the time.
I'd hate to see the following:
list.ForEach( item =>
{
item.DoSomething();
} );
Instead of:
foreach(Item item in list)
{
item.DoSomething();
}
The latter is clearer and easier to read in most situation, although maybe a bit longer to type.
However, I ...
What is Serialization?
I am getting started with Object-Oriented Programming (OOP) and would like to know: what is the meaning of serialization in OOP parlance?
...
How does the ARM architecture differ from x86? [closed]
Is the x86 Architecture specially designed to work with a keyboard while ARM expects to be mobile? What are the key differences between the two?
...