Z index bug

Hello! need a bit -of-help.
Under browser compatability, I get the following message:
Positioned containers define a new stacking order, even when the computed z-index of the container is auto. This can cause positioned children of the container to appear above other positioned elements on the page when they should not.
Affects: Internet Explorer 6.0, 7.0
Likelihood: Likely
How do i make this right?
Thanks, Tony

Maybe this will help clear up any misunderstanding you have about declared positioning as well as the use of z-indexing:
The actual display of a positioned element will depend on whether or not it's parent element also has a declared position or not.
z-indexing ONLY works with elements that have a declared position.
Using a declared position like absolute tells and browser to take that element out of the natural flow and do something different with it. So you've got the browser parsing in order from top to bottom, then throwing in some elements that are completely out of the flow.... they can be very hard to control, because there are special rules that apply to elements with declared positions.
The least understood of those rules is what I call the "Parent Rule". Giving an element a declared position like relative or absolute can have huge differences in how that element is actually displayed depending on whether or not the PARENT of that element also has a declared position.
So a div which is position:absolute for example will display one way if it's parent also has a declared position and it will display in a completely different manner if it's parent does NOT have a declared position... to review:
If a div's parent container DOES NOT also have a declared position, the child <div> will do 1 of 2 things.
If position:relative, it will position as desired but space will be left as though that element was still in the natural flow. So you may move the 500 X 100 element down and over, but a 500 X 100 space will be left, as though it was still there.
If position:absolute, child is positioned relative to browser window and that position does not change even if window contracts or expands.
So be sure to give a declared position to both the parent and the child <div>.
Neglecting to follow this rule is the main reason why the use of declared positioning fails.
And just one more point, almost never is it necessary to use a declared position, and that method certainly should not be used for general page layout.
But if and when a special situation comes up that you really do need z-indexing... then of course you will also have to use a declared position. Understanding the "Parent Rule" will make working with z-indexing and declared positions much easier and more successful.
Best wishes,
Adninjastrator

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Message was edited by: Gianluca Maddalena

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@charset "UTF-8";
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/* Copyright (c) 2006. Adobe Systems Incorporated. All rights reserved. */
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BROWSER HACKS: the hacks below should not be changed unless you are an expert
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I have noticed that you have removed the above. There is still a problem in IE6 in that the background colour remains white.
To solve this, remove the red parts and add the green parts
ul.MenuBarHorizontal {
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ul.MenuBarHorizontal ul {
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ul.MenuBarHorizontal ul li {
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ul.MenuBarHorizontal iframe {
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Gramps

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eleddy
Program received signal SIGSEGV, Segmentation fault.
NsDomElement (this=0x68106e0, node=<value optimized out>, document=<value optimized out>) at NsDom.cpp:107
107 if (isDocumentNode()) {
Current language: auto; currently c++
(gdb) bt
#0 NsDomElement (this=0x68106e0, node=<value optimized out>, document=<value optimized out>) at NsDom.cpp:107
#1 0x00002ae326e0c8e1 in DbXml::NsDomElement::getElemNext (this=0x6810b40) at NsDom.cpp:320
#2 0x00002ae326e500e4 in DbXml::ElementDescendantAxis::nextNode (this=0x6826470, context=<value optimized out>) at DbXmlNodeImpl.cpp:2176
#3 0x00002ae326e51756 in DbXml::DbXmlAxis::next (this=0x6826470, context=0x6816128) at DbXmlNodeImpl.cpp:1642
#4 0x00002ae326e48c0d in DbXml::ResultAdapter::next (this=<value optimized out>, context=0x6816128) at ../dataItem/DbXmlResult.hpp:44
#5 0x00002ae326ed1a70 in DbXml::StepIterator::next (this=0x68b78a0, context=0x6816128) at StepQP.cpp:765
#6 0x00002ae326ebbae4 in DbXml::PredicateFilter::doNext (this=0x68b7b10, context=0x6816128) at PredicateFilterQP.cpp:459
#7 0x00002ae326eba3d0 in DbXml::PredicateFilter::next (this=0x68b7b10, context=0x6816128) at PredicateFilterQP.cpp:420
#8 0x00002ae326eb9b2e in DbXml::QueryPlanToASTResult::next (this=0x68191d0, context=0x6816128) at QueryPlanToAST.cpp:63
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#11 0x00002ae3277509d0 in UApplyUpdates::createSequence () from /usr/local/xmldb/lib/libxqilla.so.4
#12 0x00002ae32762162e in ASTNodeImpl::CreateSequenceResult::getResult () from /usr/local/xmldb/lib/libxqilla.so.4
#13 0x00002ae327749960 in LazySequenceResult::next () from /usr/local/xmldb/lib/libxqilla.so.4
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#15 0x00002ae326dc438c in DbXml::LazyDIResults::hasNext (this=0x6824620) at Results.cpp:358
#16 0x00002ae326dd8ca4 in DbXml::XmlResults::hasNext (this=<value optimized out>) at XmlResults.cpp:74
#17 0x00002ae326d9428d in DbXml::QueryExpression::execute (this=0x682ea30, txn=0x6802570, contextItem=0x0, context=<value optimized out>, flags=<value optimized out>)
at QueryExpression.cpp:147
#18 0x00002ae326dd04ed in DbXml::XmlQueryExpression::execute (this=<value optimized out>, context=@0x30, flags=0) at XmlQueryExpression.cpp:92

In cases like these it's best to give more detail, such as:
o platform/compiler/version
RHEL 4 64bit/gcc4.1.2. using python/swig wrapperso container type, index type
default container types, with these options: DB_CREATE|DB_EXCL|DBXML_TRANSACTIONAL. indexes are all node indexeso indexes on the container
5 node indexes, very simpleo concurrent vs single-threaded access
single writer multiple readers -> we are having really good concurrency success so I don't think that' the issue. I'm following the rule to the T hereo configuration specified on environment and containers
containers created with DB_CREATE|DB_EXCL|DBXML_TRANSACTIONAL and opened with DBXML_TRANSACTIONAL. environment. environments are created with DB_CREATE|DB_THREAD|DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN and the config is below
environment.set_lk_detect(DB_LOCK_MINWRITE)
environment.set_lk_max_lockers(20000)
environment.set_lk_max_locks(10000)
environment.set_lk_max_objects(5000)
environment.set_lg_max(104857600)
environment.set_lg_bsize(20971520)
environment.set_lg_regionmax(41943040)
environment.set_timeout(3000000, DB_SET_TXN_TIMEOUT)That sort of thing. Intermittent problems are often related to either unintended concurrency in an application or uninitialized variables. The latter can often be detected using valgrind if your are on a Linux platform. It also wouldn't hurt to reindex the problem containers to see if that has an effect.
I will try reindexing in a staging environment, but this database is pretty big and they are live so its not really an option to reindex all the time (plus its not like the indexing can really happen while people are using it which makes it difficult). I've already dealt with a similar indexing bug in the past and I thought the latest version fixed that problem. I will see what valgrind can pull up but like I said I'm relying on python/swig and valgrind can be pretty misleading with PyMallocThanks for sending a stack but it's not all that illuminating. Another thing is to know if the issue is reproducible in a debug build where you'd get a better stack.
I did a fresh install already with the latest patches and that didn't solve the issue. the forum has been really good at diagnosing without taking it to the debug build level so if things get bad or if you need more info I'll take it to that level but perhaps someone has similar issues or it rings a bell that we can explore first

Ordering jQuery Content in a Master File and a Dependent Page

Hey guys,
OT situation but thought you may be able to help.
I have a Mega Menu in a Template and Slider on a Dependent Page. The Mega Menu is going behind the page content. How can I properly order this?
Rob

Actually, the master has a table and the page content is in a lower cell. The menu is a Superfish menu and the slider is Accordionza. In FF, things look ok except when there is a movie in a slider div. In IE, it is wrong, regardless.
Found THIS to be an answer for most content: http://www.onlinecasinodemar.com/webdesign/superfish-jquery-menu-ie-z-index-bug/
On the Vimeo video, the issue was old embed code. The iframe code works. Hope this helps someone else.

Menu Bar SubMenu position issue

Hi,
I have an horizontal menu on my site which works, but I'm
starting a new version of the site and there my submenus display in
a weird position (in IE only) and with a transparent background.
I read about the z-index bug, but couldn't find or understand
the solution.
I would appreciate if someone could have a look and help me:
Current version with the menu bar working fine:
http://www.thebaysoccer.com
Test page of the new version where my problem appears:
http://www.thebaysoccer.com/new%20tbs/test.html
Thanks!

Hello,
The trouble is the fact that IE applies text-align:center to
more things
than just text.
You applied it to the li CSS. This not only centers the text
in IE, but also
the <ul> (which are your submenus) within these
<li>.
ul.MenuBarHorizontal li
margin: 0;
padding: 0;
list-style-type: none;
font-size: 12px;
position: relative;
text-align: center; <********
cursor: pointer;
width: auto;
float: left;
white-space: nowrap;
You also have it in the ul.MenuBarHorizontal style.
So, in IE the left edge of the <ul> (submenu) is
aligning with the center of
the <li> it is contained in.
That's why the sub menu drops down with the left edge at the
middle of the
main nav "button".
Remove those "text-align:center" rules.
To center your menu text, apply text-align:center to the link
style instead,
like so:
ul.MenuBarHorizontal a
display: block;
cursor: pointer;
background-color: #333;
padding: 0.5em 0.75em;
color: #EEE;
text-decoration: none;
text-align: center;
As far as the submenu background, notice "fixed width" in the
comment line
above the following rule in the spry CSS.
You had yours set to auto.
Try this:
/* Menu item containers are same fixed width as parent */
ul.MenuBarHorizontal ul li
width: 10em;
background-color: transparent;
Take care,
Tim
"Tilt_Paris" <[email protected]> wrote in
message
news:fvda4t$4pa$[email protected]..
> Hi,
>
> I have an horizontal menu on my site which works, but
I'm starting a new
> version of the site and there my submenus display in a
weird position (in
> IE
> only) and with a transparent background.
>
> I read about the z-index bug, but couldn't find or
understand the
> solution.
>
> I would appreciate if someone could have a look and help
me:
>
> Current version with the menu bar working fine:
>
http://www.thebaysoccer.com
>
> Test page of the new version where my problem appears:
>
http://www.thebaysoccer.com/new%20tbs/test.html
>
> Thanks!
>

Got confused!! MDSYS.SDO_WITHIN_DISTANCE (8.1.7),

I used the following query to select GID whose GEOM is within some distance from a point, circle, polygon and rectangle. It works well in 8.1.6 version.
When I upgrade from 8.1.6 to 8.1.7, only rectangle one works and other shapes end with a message of "ORA-03113: end-of-file on communication channel"(disconnected with my lovely orcale:(
(1)Select lines within some distance from A Rectangle(works both in 8.1.6 and 8.1.7)
SELECT L.LINE_ID
FROM LINE L
WHERE
MDSYS.SDO_WITHIN_DISTANCE(L.Geom, mdsys.sdo_geometry(2003,NULL,NULL, mdsys.sdo_elem_info_array(1,1003,3), mdsys.sdo_ordinate_array(1,5,8,15),'distance = 1') = 'TRUE';
(2) Select lines within some distance from a Polygon.(ONLY works in 8.1.6)
SELECT L.LINE_ID
FROM LINE L
WHERE
MDSYS.SDO_WITHIN_DISTANCE(L.Geom,MDSYS.SDO_GEOMETRY(2003, NULL, NULL, MDSYS.SDO_ELEM_INFO_ARRAY(1, 1003, 2), MDSYS.SDO_ORDINATE_ARRAY(1,3,1,1,4,1, 4,4, 1,3)),'distance =1') = 'TRUE';
(3) Select lins within some distance from a point.(ONLY work in 8.1.6)
SELECT L.LINE_ID
FROM LINE L
WHERE
SDO_WITHIN_DISTANCE(L.Geom,mdsys.sdo_geometry(2001,NULL,NULL,
mdsys.sdo_elem_info_array(1,1,1),
mdsys.sdo_ordinate_array(3,3)),'distance =1') = 'TRUE';
(4) Select lines within some distance from a Cirlce(ONLY works in 8.1.6)
SELECT L.LINE_ID
FROM LINE L
WHERE
MDSYS.SDO_WITHIN_DISTANCE(L.Geom,MDSYS.SDO_GEOMETRY(2003, NULL, NULL,
MDSYS.SDO_ELEM_INFO_ARRAY(1, 1003, 4),
MDSYS.SDO_ORDINATE_ARRAY(1,3, 2,1, 3,3)),'distance = 0.01') = 'TRUE';
Anyhelp?
Thanks in advance!
Jerry.
null

Thank you, Dave.
It is good to know 8.1.7 have SRID work.
I think it is also safe to stay that field 'NULL' if we don't want to use these new coordinate system functions.
We check the error 'ORA-03113:end of file..' and find it is likely related to an R-tree index bug. After runniing the 8.1.7 patch, the problem is sloved.
Someone also saw that problem happened in sdo_relate statement several days ago.
Thanks for your help.
Jerry
null

Z index bug

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