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Java Enum definition
...ss StatusCode extends Enum<StatusCode>
Now if you check the constraints, we've got Enum<StatusCode> - so E=StatusCode. Let's check: does E extend Enum<StatusCode>? Yes! We're okay.
You may well be asking yourself what the point of this is :) Well, it means that the API for Enum ...
Using member variable in lambda capture list inside a member function
...here your puzzle object might already be destroyed, you'll need to make an intermediate, local copy:
vector<vector<int> > tmp(grid);
auto lambda = [tmp](){}; // capture the local copy per copy
† I'm simplifying - Google for "reaching scope" or see §5.1.2 for all the gory details....
How to Set Opacity (Alpha) for View in Android
..., attrs);
}
public AlphaTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
public boolean onSetAlpha(int alpha) {
setTextColor(getTextColors().withAlpha(alpha));
setHintTextColor(getHintTextColors().withAlpha(alpha));
...
Difference between decimal, float and double in .NET?
...
float and double are floating binary point types. In other words, they represent a number like this:
10001.10010110011
The binary number and the location of the binary point are both encoded within the value.
decimal is a floating decimal point type. In other ...
How to get the current date without the time?
...
string now = Convert.ToString(DateTime.Now.ToShortDateString());
Console.WriteLine(now);
Console.ReadLine();
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How to get a list of column names on Sqlite3 database?
...mething like this... but it don't work create temporary table TmpCols (cid integer, name text, type text, nn bit, dflt_value, pk bit); .mode insert TmpCols .output cols PRAGMA TABLE_INFO('yourtable'); .read cols .mode csv .output stdout
– Jason
Jan 5 '12 a...
Replacement for Google Code Search? [closed]
...
Nobody used it to be honest. I may bring it back after I convert the code over in time.
– Ben Boyter
Jan 20 '17 at 2:04
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Core pool size vs maximum pool size in ThreadPoolExecutor
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There is an interesting method allowCoreThreadTimeOut(boolean) which allows core threads to be killed after given idle time. Setting this to true and setting core threads = max threads allows the thread pool to scale between 0 and max th...
Update multiple rows in same query using PostgreSQL
...rays :
drop table if exists results_dummy;
create table results_dummy (id int, status text, created_at timestamp default now(), updated_at timestamp default now());
-- populate table with dummy rows
insert into results_dummy
(id, status)
select unnest(array[1,2,3,4,5]::int[]) as id, unnest(array['a...
Android Fragment handle back button press [duplicate]
... of your FragmentTransaction:
FragmentTransaction tx = fragmentManager.beginTransation();
tx.replace( R.id.fragment, new MyFragment() ).addToBackStack( "tag" ).commit();
If you require more detailed control (i.e. when some Fragments are visible, you want to suppress the back key) you can set an O...