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Do interfaces inherit from Object class in java
...reover you can cast interface to an Object implicitly without any compiler error.
– nme
Feb 10 '19 at 14:03
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How do you crash a JVM?
...ught that you could do so by writing an infinite for-loop that would eventually use up all the memory.
27 Answers
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How to Copy Text to Clip Board in Android?
... // Unable to open content URI as text... not really an
// error, just something to ignore.
} catch (IOException e) {
// Something bad has happened.
Log.w("ClippedData", "Failure loading text", e);
return e.toString();
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Run a PostgreSQL .sql file using command line arguments
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Of course, you will get a fatal error for authenticating, because you do not include a user name...
Try this one, it is OK for me :)
psql -U username -d myDataBase -a -f myInsertFile
If the database is remote, use the same command with host
psql -h hos...
EF Code First foreign key without navigation property
...class and sql is just the above SQL command as string.
Be aware that with all this EF has no clue that ParentId is a foreign key that describes a relationship. EF will consider it only as an ordinary scalar property. Somehow all the above is only a more complicated and slower way compared to just o...
Can you attach Amazon EBS to multiple instances?
... to get an EBS volume attached to more than one instance, it would be a _REALLY_BAD_IDEA_. To quote Kekoa, "this is like using a hard drive in two computers at once"
Why is this a bad idea? ...
The reason you can't attach a volume to more than one instance is that EBS provides a "block storage" a...
How do I get a list of all the duplicate items using pandas in python?
...veloper, on both counts. I'll delete my comment. Thanks for picking up the error.
– dreme
Nov 11 '18 at 9:50
4
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Updating the list view when the adapter data changes
...tView.setAdapter(adapter);
and after updating the value of a list item, call:
adapter.notifyDataSetChanged();
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How to call an async method from a getter or setter?
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105
You can't call it asynchronously, since there is no asynchronous property support, only async m...