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jQuery: count number of rows in a table
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Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
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Why does std::getline() skip input after a formatted extraction?
...he stream:
"John\n"
A newline is always appended to your input when you select Enter or Return when submitting from a terminal. It is also used in files for moving toward the next line. The newline is left in the buffer after the extraction into name until the next I/O operation where it is eithe...
Code First: Independent associations vs. Foreign key associations?
...r = new Order { Id = 1, Customer = db.Customers.Find(1) }; Or you can use Select method to load the customer from db context. This works with independent association.
– tala9999
Jan 28 '16 at 15:05
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Styling twitter bootstrap buttons
...ck and drag off a button, you need .btn-primary:active:focus { in order to select and override that case
– Shane Reustle
Apr 23 '17 at 18:46
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How do I access an access array item by index in handlebars?
... This should be the answer because it is more thorough than the selected answer. Requiring square brackets when the index is at the end had me stuck for a while!
– modulitos
Mar 11 '15 at 21:40
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PostgreSQL: How to change PostgreSQL user password?
...is an object, not a string. Compare with ALTER TABLE "table_name" or even SELECT * FROM "table_name". You couldn't use single quotes in these contexts with tables, and it's the same with users/roles.
– P Daddy
Apr 13 '16 at 5:11
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is of a type that is invalid for use as a key column in an index
...ey nvarchar(max)
)
RETURNS bit
AS
BEGIN
declare @res bit
if exists(select * from key_value where [key] = @key)
set @res = 0
else
set @res = 1
return @res
END
But note that a native index is more performant than a check constraint so unless you really can't specify ...
Unable to Cast from Parent Class to Child Class
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I think the examples are a bit extreme and selective and perhaps the cast is a shortcut for a copy constructor. For example, being building a ferrari with the properties defined in base object car. Or, start with a human and create a Boy. Casting and direct use? A...
Mockito match any class argument
... Thanks, isA(A.class) works for me just fine and the mvcConversionService select the right class. This was not working with any(A.class) and eq(A.class).
– d3rbastl3r
Jul 9 '19 at 6:30
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What uses are there for “placement new”?
..._b, ...);
Now you can cluster objects together in a single memory arena, select an allocator which is very fast but does no deallocation, use memory mapping, and any other semantic you wish to impose by choosing the pool and passing it as an argument to an object's placement new operator.
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