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try:
from n in num
from z in n
where z > 0
select new Point(n,z)
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Give this a shot. The tough part was trying to figure out how to get the indexer (using Select func)
var q = from n in num.Select( ( a, index ) => new { IX = index, Arr = a } )
from z in n.Arr
where z > 0
select new {
RootIndex = n.IX,
Value = z
};
This'll flatten out the matrix and only return index/values where value > 0
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I've a application running now with a database connection and wanna make a deployment of it
I tried much things. So that's why I'm asking now is there a easy guide to follow where I can see what to do.
My connection string is hard coded, after I deployed the application it's still hard coded what is the way to let the Data Source (Computer Name) change automaticly to the new computername where it is installed?
(return @"Data Source=KONING-AF02EAF7\SQLEXPRESS;Initial Catalog=KringVrienden;Integrated Security=True";)
SofwareI'm using:
Visual Studio 2008.
SQL Server 2005
SQL Management Server 2005
Please help me.
Dennis,
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I am assuming that each of your target machine has a db server installed.
In your program use System.Environment.MachineName to get the machine name. Use this instead of the hard-coded machine name in your connection string.
Hope this helps.
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Rather than including your development machine name, simply use ".\SQLEXPRESS" or "(local)\SQLEXPRESS" as this will point to instance "SQLEXPRESS" on the local machine.
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what is meant by threading? Muhammad Farooq Qadri, Ghousia Public School and Ghousia Institute of Fast Technology (GIFT), Khuiratta Azad Kashmir
Muhammad Farooq Qadri, Khuiratta AJK
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Dude,
You've posted this FOUR times.
http://msdn.microsoft.com/en-us/library/3e8s7xdd(VS.71).aspx
Regards,
Rob Philpott.
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Well, its like posting the same question several times. I would suggest you go to google and try there, there are over 500,000 articles.
Bob
Ashfield Consultants Ltd
Proud to be a 2009 Code Project MVP
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what is meant by threading? Muhammad Farooq Qadri, Ghousia Public School and Ghousia Institute of Fast Technology, Khuiratta Azad Kashmir
Muhammad Farooq Qadri, Khuiratta AJK
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what is meant by threading? Muhammad Farooq Qadri, Ghousia Public School and Ghousia Institute of Fast Technology, Khuiratta Azad Kashmir
Muhammad Farooq Qadri
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code project is really a big project, working for IT development. Muhammad Farooq Qadri, Ghousia Public School and Ghousia Institute of Fast Technology, Khuiratta Azad Kashmir
Muhammad Farooq Qadri
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string str = null;
can u tell, In the above line of code, what shall be teh memory consumption by the variable str
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Well, str is a reference type which doesn't reference anything, so it will be just the size of reference itself. I think this will be 4 bytes for the reference itself, and a further 8 for synchronisation and other .NET internal stuff. So, likely 12 bytes.
Regards,
Rob Philpott.
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Rob Philpott wrote: and a further 8 for synchronisation and other .NET internal stuff.
Can u please tell where should i read the detailed meaning of the above quoted line ?
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Actually, I got that wrong. The extra 8 bytes would be on the heap if your reference was not null. So, just 4 bytes on a 32bit machine. Trying to find a good reference for this stuff now.
Regards,
Rob Philpott.
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Can't find anything on the net I'm afraid. I'm sure there's lots out there if you look around though. Also, consider reading one of Jeffrey Richters books - they are excellent on this sort of stuff.
Regards,
Rob Philpott.
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Dear techies..
Nice if you could please help me with sorting an arraylist i have which contains objects of type 'card', which inturn contains 2 enums - rank and suit.
The arraylist normally contains 7 card objects. eg :
spades 3, hearts 4, spades 1, diamonds 4, spades 2, clubs 4, spades 4
The sorted arraylist should be like:
spades 1,spades 2,spades 3,spades 4,clubs 4,hearts 4,diamonds 4 - with the suits together with sorted ranks
Many thanks in advance..
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You want to call .Sort on your ArrayList, the problem being though that Sort doesn't know how to compare two cards in order to do the sort.
To tell it this, you'll either need to extend 'card' to implement IComparable, or create a new seperate class which implements IComparer. Either way, you'll need to create a method which compares two cards. Compare suits first, and then if they are the same, the 'rank'.
Regards,
Rob Philpott.
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Hi all,
I have an application (C# .Net WinForms) problem I am finding it difficult to solve, hopefully you guys will have some ideas...
This issue is that sometimes the application will freeze, by that I mean completely unresponsive - like if you perform long tasks on the UI thread. (I use BackgroundWorkers for a number of tasks when required)
Sometimes, I will get a message saying the application has stopped responding with little information I have found use of - it's an 'AppHangB1' error
The problem will occur regardless of which form is open, even a very basic one with little functionality (and no background workers)
I can recreate the issue two ways (not on all machines I tried thou) - If the system is idle an the station becomes locked, the application freezes when logging back in (not 100% of the time thou). The second method is too open internet explorer for a few seconds and then close/minimise, this causes the application to freeze (does not apply on a second machine I tested)
If any one has any ideas or pointers as to what I should be looking for then your responses will be much appreciated.
Thanks
Life goes very fast. Tomorrow, today is already yesterday.
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Hi musefan,
If this is not happening on all the PC's as you said; it might be due to
1) Memory problem (memory leak); check for memory hungry applications running.
2) OS update differe (Check for difference on the PC it is not happening)
3) Check for cross-loops creating infinit loop if any in your code.
4) Also might cause due to virus problem.
Regards,
Maruti
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