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Difference between sh and bash
... we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
12 Ans...
Difference between ref and out parameters in .NET [duplicate]
... as a ref parameter it has to be set to something.
int x;
Foo(out x); // OK
int y;
Foo(ref y); // Error: y should be initialized before calling the method
Ref parameters are for data that might be modified, out parameters are for data that's an additional output for the function (eg int.TryParse...
Difference between Repository and Service Layer?
...er exposes business logic, which uses repository. Example service could look like:
public interface IUserService
{
User GetByUserName(string userName);
string GetUserNameByEmail(string email);
bool EditBasicUserData(User user);
User GetUserByID(int id);
bool DeleteUser(int id);
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LINQ equivalent of foreach for IEnumerable
I'd like to do the equivalent of the following in LINQ, but I can't figure out how:
22 Answers
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Check if an image is loaded (no errors) with jQuery
...jQuery load() and error() methods as events. After these events I check the image DOM element for the .complete to make sure the image wasn't already loaded before jQuery could register the events.
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How to parse JSON in Scala using standard Scala classes?
... fact that generators (using <-) and value definitions (using =) will make use of the unapply methods.
(Older answer edited away - check edit history if you're curious)
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iOS: Access app-info.plist variables in code
I am working on a Universal app & would like to access the values stored in app-info.plist file in my code.
5 Answers
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Update data in ListFragment as part of ViewPager
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This look OK but it does not work in my class. Does it work with you? I still get null for fragment.
– sandalone
Dec 15 '12 at 15:00
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What is the pythonic way to detect the last element in a 'for' loop?
I'd like to know the best way (more compact and "pythonic" way) to do a special treatment for the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one.
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Set a default parameter value for a JavaScript function
I would like a JavaScript function to have optional arguments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
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