changhyun moon

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since Oct 19, 2008
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Recent posts by changhyun moon

Dear dude,
I have used (+) symbol for outer join,
but in this project HiRDB doesn't work with (+).
So I have to use 'left outer join' terms, I am however not used to it.

Here is my question:
Can I use the table which is the object of 'left outer join' with another join?
for example, it is cTable.

select aTable.name, bTable.address, cTable.yearlyPay
from aTable left outer join cTable
on aTable.company = cTable.company,
bTable
where bTable.position = cTable.position
and aTable.workyear = bTable.workyear;

in this example above, cTable is left outer joined with aTable
and used to join with bTable in where phrase.
I am afraid if we can't join cTable with another table(bTable) once cTable is used to left outer join with aTable.
I am using List on my program.
I suddenly wonder how many elements a List can add for itself.

anyone knows it?
15 years ago
Dear peeps,

I am designing an application.
In jsp,
I have checkboxes with same name.
Let's say I have 5 checkboxes in a jsp.

And I have checked second and fifth one.

The question is :
Do I have an array of size 2 or size 5 for these checkboxes on the form of server?

I thought I would have a String array of size 5 with the value of {null, "1", null, null, "1"}
Please make me sure.
I want to know what http does for me.
15 years ago
JSP
Ulf Dittmer //Thanks for pointing at my mistake.
My environment is struts.
Well, whatelse...
15 years ago
I wonder why I have to set HttpServletRequest, not HttpServletResponse when server->page.

The detail is below
I know I get information from HttepServletRequest on server
when page->server.
With response, I set a form for next page on ActionServlet.
I have to set the form to the HttpServletRequest, not HttpServletResponse when server->page.

What happened to HttpServletResponse?
What is that I don't know?
15 years ago
Thanks for your guide and right reply,
I thought about it.
However, I need to set the values with proper list already existed in the server.
I believed that checking checked or unchecked is waste of process while I set the list.
Is there anyway in the javascript way to control unchecked value to be delivered as '2'(as I described on the question)?
15 years ago
JSP
Dear peeps,
I have a problem with getting checkbox value.
I have a list of checkbox
and I need to get the value of checkbox
'1' when checked, and '2' when unchecked.

But as I know, checkbox deliver their value only when it is checked.
How can I approach this problem?
15 years ago
JSP