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Difference between Repository and Service Layer?
... bool Delete(int id);
T Get(int id);
bool SaveChanges();
}
and call Get(id). Repository layer exposes basic CRUD operations.
Service layer exposes business logic, which uses repository. Example service could look like:
public interface IUserService
{
User GetByUserName(string userNa...
Readonly Properties in Objective-C?
...ing"; // Notice the underscore prefix of var name.
That’s it, that’s all you need. No muss, no fuss.
Details
As of Xcode 4.4 and LLVM Compiler 4.0 (New Features in Xcode 4.4), you need not mess with the chores discussed in the other answers:
The synthesize keyword
Declaring a variable
Re-...
What is the reason for having '//' in Python? [duplicate]
...
I actually like this style better... I can remember in atleast one language I've used (VB?) the differentiating factor was / vs \ ... but I could never remember which was which!
– Matthew Scharley
...
Is there an exponent operator in C#?
...o in most programs, and
it doesn't seem justified to add an
operator when calling Math.Pow() is
simple.
You asked:
Do I have to write a loop or include
another namespace to handle
exponential operations? If so, how do
I handle exponential operations using
non-integers?
Math.Pow supports double p...
“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]
...etting this error while building Maven project, I increased MAVEN_OPTS but all the same, I found some similar posts but they are refering to something else. How do I fix this?
...
os.walk without digging into directories below
...
Does this function actually "walk" through the whole structure and then delete the entries below a certain point? Or is something more clever going on? I'm not even sure how to check this with code. --python beginner
– mathtic...
How does libuv compare to Boost/ASIO?
...nchronous I/O capabilities have been extended to other resources. Additionally, with Boost.Asio being part of the Boost libraries, its scope is slightly narrowed to prevent duplication with other Boost libraries. For example, Boost.Asio will not provide a thread abstraction, as Boost.Thread alread...
How to check if click event is already bound - JQuery
...a(this[0], 'events')[type];
jQuery events are stored in a data object called events, so you could search in this:
var button = $('#myButton');
if (-1 !== $.inArray(onButtonClicked, button.data('events').click)) {
button.click(onButtonClicked);
}
It would be best, of course, if you could s...
How to run a PowerShell script from a batch file
... would have otherwise. In a way it's merely a convenience to avoid accidentally running things you may not want to run. Similar to having to prefix commands in the current directory with ./ and having an executable flag on Unix.
– Joey
Nov 6 '16 at 14:26
...
How to make a countdown timer in Android?
...? I tried getting the value from an EditText but it didn't seem to work at all.
– edwoollard
Aug 3 '13 at 9:41
...