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How does autowiring work in Spring?
... that the context instantiates the objects, not you. I.e. - you never make new UserServiceImpl() - the container finds each injection point and sets an instance there.
In your controllers, you just have the following:
@Controller // Defines that this class is a spring bean
@RequestMapping("/users"...
How to resume Fragment from BackStack if exists
...onCreate(), add
getSupportFragmentManager().addOnBackStackChangedListener(new OnBackStackChangedListener() {
@Override
public void onBackStackChanged() {
Fragment f = getSupportFragmentManager().findFragmentById(R.id.content_frame);
if (f != null){
updateTitleAndDrawer (f);
}...
How do I convert an HttpRequestBase into an HttpRequest object?
...HttpRequestWrapper class to convert as shown below.
var httpRequestBase = new HttpRequestWrapper(Context.Request);
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JavaScript seconds to time string with format hh:mm:ss
...JS library with the help of JS Date method like following:
var date = new Date(0);
date.setSeconds(45); // specify value for SECONDS here
var timeString = date.toISOString().substr(11, 8);
console.log(timeString)
...
Java Generics: Cannot cast List to List? [duplicate]
...irst case, imagine that the code did compile, and was followed by:
b1.add(new SomeOtherTree());
DataNode node = a1.get(0);
What would you expect to happen?
You can do this:
List<DataNode> a1 = new ArrayList<DataNode>();
List<? extends Tree> b1 = a1;
... because then you can ...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...
} catch (DbEntityValidationException ex) {
StringBuilder sb = new StringBuilder();
foreach (var failure in ex.EntityValidationErrors) {
sb.AppendFormat("{0} failed validation\n", failure.Entry.Entity.GetType());
foreach (var error in failure.ValidationEr...
Linq to Sql: Multiple left outer joins
...Where(s => s.Id == order.StatusId)
.DefaultIfEmpty()
select new { Order = order, Vendor = vendor, Status = status }
//Vendor and Status properties will be null if the left join is null
Here is another left join example
var results =
from expense in expenseDataContext.Expe...
How to clone an InputStream?
... "cloned" ByteArrayInputStreams as you like.
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// Fake code simulating the copy
// You can generally do better with nio if you need...
// And please, unlike me, do something about the Exceptions :D
byte[] buffer = new byte[1024];
int len;
whi...
Activity has leaked ServiceConnection @438030a8 that was original
...r the calling activity is running.
ComponentName myService = startService(new Intent(this, myClass.class));
bindService(new Intent(this, myClass.class), myServiceConn, BIND_AUTO_CREATE);
The first line starts the service, and the second binds it to the activity.
...
How to implement has_many :through relationships with Mongoid and mongodb?
...
Out of curiosity (sorry for the late inquiry), I'm also new to Mongoid and I was wondering how you would query for data when it is an n-n relationship using a separate collection to store the association, is it the same as it was with ActiveRecord?
– innospar...