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When should I use cross apply over inner join?
... (
SELECT TOP 3 *
FROM t2
WHERE t2.t1_id = t1.id
ORDER BY
t2.rank DESC
) t2o
It cannot be easily formulated with an INNER JOIN condition.
You could probably do something like that using CTE's and window function:
WITH t2o AS...
How do I get a UTC Timestamp in JavaScript?
...o set the timezone of a certain date object is to construct it from a date string that includes the timezone. (I had problems getting that to work in an older Android browser.)
Note that getTime() returns milliseconds, not plain seconds.
For a UTC/Unix timestamp, the following should suffice:
Mat...
How do you handle multiple submit buttons in ASP.NET MVC Framework?
...c class MultipleButtonAttribute : ActionNameSelectorAttribute
{
public string Name { get; set; }
public string Argument { get; set; }
public override bool IsValidName(ControllerContext controllerContext, string actionName, MethodInfo methodInfo)
{
var isValidName = false;
...
Is there anything like .NET's NotImplementedException in Java?
...he software.
*/
@Deprecated
public NotYetImplementedException(String message)
{
super(message);
}
}
This approach has the following benefits:
When readers see NotYetImplementedException, they know that an implementation was planned and was either forgotten or is stil...
Join/Where with LINQ and Lambda
...ax is much clearer, more natural, and makes it easier to spot errors:
var id = 1;
var query =
from post in database.Posts
join meta in database.Post_Metas on post.ID equals meta.Post_ID
where post.ID == id
select new { Post = post, Meta = meta };
If you're really stuck on using lambda...
Joining three tables using MySQL
...
Simply use:
select s.name "Student", c.name "Course"
from student s, bridge b, course c
where b.sid = s.sid and b.cid = c.cid
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PostgreSQL DISTINCT ON with different ORDER BY
...expression(s).
Official documentation
So you'll have to add the address_id to the order by.
Alternatively, if you're looking for the full row that contains the most recent purchased product for each address_id and that result sorted by purchased_at then you're trying to solve a greatest N per gr...
How can I increment a date by one day in Java?
...
Something like this should do the trick:
String dt = "2008-01-01"; // Start date
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(sdf.parse(dt));
c.add(Calendar.DATE, 1); // number of days to add
dt = sdf.fo...
PermGen elimination in JDK 8
...
I should mention that interned strings were previously stored in the PermGen space, but were moved to the main Java heap in Java 7.
– gparyani
Sep 9 '14 at 16:07
...
Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]
...gramming languages, anyway) for there to be embedded Unicode characters in string constants, for example. The problems start happening when the language parser encounters the characters when it doesn't expect them.
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