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How can I return to a parent activity correctly?
...ent to it.
Therefore, the system is forced to recreate activity A (i.e. calling onCreate) even if the task stack is handled correctly.
To fix this problem you need to change the manifest, adding the following attribute to the A activity declaration:
android:launchMode="singleTop"
Note: calling...
How to get the current date and time
...e();
In the words of the Javadocs for the zero-argument constructor:
Allocates a Date object and initializes it so that it represents the time at which it was allocated, measured to the nearest millisecond.
Make sure you're using java.util.Date and not java.sql.Date -- the latter doesn't hav...
Replacement for deprecated sizeWithFont: in iOS 7?
...ng existing data vs. you typing it multiple times or referencing constants all over the place, etc
– toblerpwn
Oct 30 '13 at 21:38
...
How can I retrieve Id of inserted entity using Entity framework? [closed]
...to ObjectSet and SaveChanges on related ObjectContext. Id will be automatically filled for you:
using (var context = new MyContext())
{
context.MyEntities.Add(myNewObject);
context.SaveChanges();
int id = myNewObject.Id; // Yes it's here
}
Entity framework by default follows each INSERT wi...
SQL error “ORA-01722: invalid number”
...
Also notice that manually complete a field with "(null)" will give you that error. If the defaul is null and you don't complete it will auto-complete with (null) but it is not the same when you type it.
– bogdan.rusu
...
Thread vs ThreadPool
...rom the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
...
HashMap with multiple values under the same key
... to this approach is that you have to write a lot of boiler-plate code for all of these very simple container classes.
3. Using a tuple
// you'll have to write or download a Tuple class in Java, (.NET ships with one)
// create our map
Map<String, Tuple2<Person, Person> peopleByForename =...
Favorite (Clever) Defensive Programming Best Practices [closed]
...in favor of Test Driven Development. If you catch errors quickly and externally, you don't need to muddy-up your code with defensive maneuvers, your code is DRY-er and you wind-up with fewer errors that you have to defend against.
As WikiKnowledge Wrote:
Avoid Defensive Programming, Fail Fast ...
How to implement history.back() in angular.js
...
This code is untestable, you should really use the '$window' object instead of 'window.'
– Arbiter
Apr 25 '13 at 18:19
...
Set ImageView width and height programmatically?
How can I set an ImageView 's width and height programmatically?
14 Answers
14
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