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Oracle PL/SQL - How to create a simple array variable?
... INDEX BY PLS_INTEGER;
employee_array employee_arraytype;
BEGIN
SELECT *
BULK COLLECT INTO employee_array
FROM employee
WHERE department = 10;
--
FOR i IN employee_array.FIRST .. employee_array.LAST
LOOP
-- Do something
END LOOP;
END;
The associative arra...
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
... same code used before, so repeat this:
var db = new DB();
IEnumerable<SelectListItem> basetypes = db.Basetypes.Select(
b => new SelectListItem { Value = b.basetype, Text = b.basetype });
ViewData["basetype"] = basetypes;
before the return View(meal) in the [HttpPost] method.
exactl...
Create batches in linq
... int maxItems)
{
return items.Select((item, inx) => new { item, inx })
.GroupBy(x => x.inx / maxItems)
.Select(g => g.Select(x => x.item));
}
}
and the usage would be:
List<int> list = new L...
How to get duplicate items from a list using LINQ? [duplicate]
...
var duplicates = lst.GroupBy(s => s)
.SelectMany(grp => grp.Skip(1));
Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution...
When should I use a composite index?
...nefit a query that uses those fields for joining, filtering, and sometimes selecting. It will also benefit queries that use left-most subsets of columns in that composite. So the above index will also satisfy queries that need
index( column_A, column_B, column_C )
index( column_A, column_B )
index(...
Use tab to indent in textarea
...which;
if (keyCode == 9) {
e.preventDefault();
var start = this.selectionStart;
var end = this.selectionEnd;
// set textarea value to: text before caret + tab + text after caret
$(this).val($(this).val().substring(0, start)
+ "\t"
+ $(this).val...
IN vs OR in the SQL WHERE Clause
...h are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000);
1 row fetched in 0.0032 (1.2679 seconds)
SELECT COUNT(*) FROM t_inner WHERE val = 1000 OR val = 2000 OR val = 3000 OR val = 40...
Jump to matching XML tags in Vim
...n do this without additional plugins:
place cursor on the tag
vat - will select the (outer) tag and place cursor on the end
once you've got your selection you can toggle between the top and bottom with o (update based on Michael Gruber's note)
c - change or, y - copy or, escape for leaving visual ...
Android Studio says “cannot resolve symbol” but project compiles
...y only thought so far: right click the jar file in file tree within AS and select "Add as library..."
EDIT: You can do "File" -> "Invalidate Caches...", and select "Invalidate and Restart" option to fix this.
EDIT 2: This fix should work for all similar incidents and is not a twitter4j specific...
What is the best way to insert source code examples into a Microsoft Word document?
... it may be too small ...
... so you may have to change its size
Having selected the text box, right-click on it, then choose Insert Caption ...
In the Caption menu, if you don't have one already, click New Label, and set the new label to "Code", click OK ...
... then in the Caption dialog, s...