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Select random row from a sqlite table
...to select a non-existant rowid, and the select will return an empty result set. If this is not acceptable, you can provide a default value like this :
select * from foo where rowid = (abs(random()) % (select (select max(rowid) from foo)+1)) or rowid = (select max(rowid) from node) order by rowid li...
LINQ-to-SQL vs stored procedures? [closed]
...this already, but it's easier to deploy a single assembly than to deploy a set of sprocs. This also ties in with #4.
Easier: You don't have to learn T-SQL to do data access, nor do you have to learn the data access API (e.g. ADO.NET) necessary for calling the sprocs. This is related to #3 and #4.
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
... cause the map to be recreated and redrawn, which isn't always desirable.
After lots of trial and error, I found a solution that works for me:
private static View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (view != nul...
Change File Extension Using C#
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
How to extract the n-th elements from a list of tuples?
I'm trying to obtain the n-th elements from a list of tuples.
7 Answers
7
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How to get the seconds since epoch from the time + date output of gmtime()?
...he time object. I have to switch to gmtime() and manually apply the gmt offset.
– Jkm
Aug 31 '16 at 1:41
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How do I flush the PRINT buffer in TSQL?
...inued at least until 2k, but then I stopped the script. declare @i int set @i = 0 declare @t varchar(100) while 1=1 begin set @i = @i + 1 set @t = 'print ' + convert(varchar, @i) RAISERROR (@t, 10, 1) WITH NOWAIT waitfor delay '00:00:00.010' end
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What is the difference between 'my' and 'our' in Perl?
I know what my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do?
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How do I change the language of moment.js?
I am trying to change the language of the date which is being set by moment.js. The default one is English, but I want to set the German language. These is what I tried:
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Count, size, length…too many choices in Ruby?
...h an SQL
COUNT query. You can also specify conditions to count only a subset of
the associated elements (e.g. :conditions => {:author_name =>
"josh"}). If you set up a counter cache on the association, #count
will return that cached value instead of executing a new query.
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