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Hi,
I'm trying to create a two column layout with a footer. Till now the result is headache ;-) Actually I'm not very experienced with css. I prefer to implement the business logic.
In the actual layout I have a problem that the right column will be placed...
Started by Tom Tom on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
<div class="left-col">abc</div> <.
I think the problem happens in IE6? declare the right column float left, while add an empty div with clear:both after right column div.
Ask CSS questions.
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I need to achieve this
update [table] set [column c] = ( select [column a] + ' ' + [column b] from [table] )
but I get this error message
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, &...
Started by jim on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Try adding a WHERE clause to the sub-query so it picks out only one row. .
That's easy:
update table set c = a + ' ' + b
This will update all rows in the table .
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How can I create or associate a super column to a column in Perl using Net::Cassandra ?
Answer Snippets (Read the full thread at stackoverflow):
It looks like Net::Cassandra stays pretty close.
Insert is one way like daxim says; another way is to just use normal insert but specify super_column in the ColumnPath as well as the column_family.
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When retrieving values from a DataRow is it better to use the column name or column index.
The column name is more readable and easier to maintain:
int price = (int)dr["Price"];
While column index is just faster (I think):
int price = (int)dr[3];
Would...
Started by tpower on
, 13 posts
by 13 people.
Answer Snippets (Read the full thread at stackoverflow):
You could argue the column ....
It is easier to determine what you are pulling, and the column order is determined by the select statement which could change sometime down the road.
I would think the column name is the best way to go.
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Sql - query to insert a column value if it does not exist in that column
Started by sangeetha on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Do you want a new row? In that case,
IF NOT EXISTS(SELECT 1 FROM emp WHERE fruits = 'mango') INSERT INTO emp (fruits) VALUES ('mango')
Two ways to do
1.IF NOT EXISTS (SELECT fruit FROM emp WHERE fruit='mango') BEGIN INSERT INTO emp(fruit) Values(... .
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I'm working with a database that keeps track of where a reader is in a book. I do this by having a page count column and a current page column.
Is there a way to add a 'progress' column that would be equal to (currentpage/pagecount)?
Started by samoz on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Use a view that calculates....
There are at least two workarounds to this:
Update your progress column using a BEFORE UPDATE trigger, you'll need one for BEFORE INSERT as well.
CREATE VIEW Syntax
You cannot define a column to be a function.
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There is a term that identifies a table column that refers to a column in another table. That is the term "foreign key".
Is there a term that identifies a table column that refers to a column in the same table?
An example of such column is the "item_parent...
Started by Emanuil on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
In addition to....
I'm not aware of a specific term for columns involved in a self-referencing foreign key.
Tables of this type are generally referred to as "self-referencing" .
In docs for SQL Server these references are called "self-references" .
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How do I add a column in the middle of an R data frame? I want to see if I have a column named "LastName" and then add it as the third column if it does not already exist.
Started by JD Long on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
To create a new data.frame from the first half of the old, your new column, and the second half:
> bar LastName fac 1 1 1 Flim A 2 1 2 Flom B 3 1 3 Flam B
One approach is to just add the column helper functions I've written, this gets....
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I edit data in a DataTable which is bound to a DataGridView . When a new column is created in the DataTable a new column is generated in the view.
Ordinarily I would set the view column properties in a DataGridView_ColumnAdded event, however the default...
Started by Brendan on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
To demonstrate that, ....
Then, in the column added column.
That enables the column to be added.
DataGridViewColumnEventArgs e) { Console.WriteLine("Column added"); e.Column.SortMode it flips it to cell select and vice versa.
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Hello.
I have a computed column called Cost that returns money.
I want to have another column that returns (Cost * 2), but it doesn't allow me.
Started by Shimmy on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
The expression can be a noncomputed column name_column_expression Is an....
From MSDN :
A computed column is computed from an expression that can use other columns in the same table.
The expression you would like to reference.
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