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If a problem X (decision problem) is known to be NP-Complete, and proven to be reduced to problem Y, can you then say problem Y is NP-Complete?
Category : Web Design

If a problem X (decision problem) is known to be NP-Complete, and proven to be reduced to problem Y in polynomialtime, can you then say problem Y is NP-Complete?

My first thought was, no, problem Y needs to be shown that it is in NP. But after further thought, if X is reduced to Y, Y is already considered to be NP-Complete. Now I'm just confused...any help would be appreciated.

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IE css problem or jquery ui problem? weird cursor while showing custom nested rows
Category : Development Tools & Services

I hope you can help me on this one.

Here's a simplified version of my row object.
Nothing special: a button, a title, and a content that slides down when the button is pressed.

var row = function(title)
this.clear = $('<div/>').css({clear: 'both'});
this.$icon = $('<div/>').addClass('ui-icon ui-icon-carat-1-s');

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C++ code compiles but dies problem (Having a line (queue), a buffer, and if not empty problem)
Category : Development Tools & Services

So I have a class. .h file with some variables like:

struct AudioSample
const unsigned char * buffer;
int len;
const unsigned char * VideoFrameBuffer;
int VideoFrameLen;
std::queue<AudioSample> AudioSamples;
bool sampleSendingFinished;
bool frameSendingFinished;

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Algorithm that is a combination of the continuous knapsack problem and the variable size bin packing problem
Category : Programming Languages

I'm trying to solve a problem (in php, but programming language doesn't matter).
I'm having a n number of persons that have paid money, and I have got a m number of persons that are going to pay the same amount as the sum of what the n number of people have paid.
I want to calculate the shortest route of money transfers between these persons. It is possible to split the payments and p

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Problem reading URL with Python. Code opens up any other URL. Possible Header or Cookie problem
Category : Network & Servers

Using python urllib or urllib2, for the life of me, I can not read the following URL:

This page reads fine with Firefox or IE. I tried spoofing the User-Agent to simulate Firefox to no avail. This site uses cookies. I also tried using the cookielib module to no avail.


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Problem using FBO: Only first pass renders. A possible problem at setting render target back?
Category : Development Tools & Services

I have a huge problem with using FBO.

I have a multi-pass display using FBOs and multitexturing. Everything seems to work fine until the end of first execution of display.

I set the render target back to screen using glBindFrameBufferEXT(GL_FRAMEBUFFER_EXT, 0) at the end of my display function but the passes after that do not take effect. The screen seems to freeze..

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Problem running SSIS with ORACLE Data Source problem in Windows 64 bit
Category : Databases

I've managed to connect my SQL Server 2005 in Windows 64 bit server with ORACLE database. (Thanks to Mr. Jeyong Park :http://knol.google.com/k/jeyong-park/accessing-oracle-data-source-from-64bit/3vywlm4f31xae/12)

The problem is :
In SSIS when I used Oracle as a OLE DB Data Source and previewed the data, it works, however, when I run the Package, the OLE DB Data Source task fail

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Can non styled HTML elements make any type of problem in document flow or any cross browser problem?
Category : Web Design

Should we write css to each element or only for those elements which want to give style?

like for example

<div id="first">
<span class="one">
<a href="#">content text</a>
<div id="second">
<span class="two">
<a href="#">content text&

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Problem with indexed table…UITableView iPhone problem
Category : Databases

I am trying to grab the data from the database and display all the values in sorted order grouped into sections from A-Z and also my UITableView is indexed. In this case the indexes are A-Z. The strange thing that's happening is when I get all the values from the DB onto the table, I see that values under section 'B' has some values from section 'A' and if I tap on any index for example if I ta

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GridView edit problem If primary key is editable (design problem)
Category : Programming Languages

I would like to ask about the design of table based on it's editability in a Grid View. Let me explain. For example, I have a table named ProductCustomerRel.

Method 1

CustomerCode varchar PK
ProductCode varchar PK
StoreCode varchar PK
Quantity int
Note text

So the combination of the CustomerCode, StoreCode and ProductCode mus

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