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Published on 2010-06-09T17:53:22Z
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How can I do this on a grid with several "centers", and therefore, having coincident points that I want to count only once?
What is the most efficient way to do this?
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I have financical trading software. It decodes fast/fix messages. I'm running same binaries on two different machines on very similar set of data.
Software receive "messages" and decodes them. The general rule - longer message takes more time to decode:
i7-860, Windows 7:
Debug 18:23:48.8047325…
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Hi, just wondering if any of you guys use Count(1) over Count(*) and if there is a noticeable difference for SQL Server 2005 in performance? Or is this just a legacy habit that has been brought forward from days gone past?
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Hi
I have three tables
Post
ID Name
1 'Something'
2 'Something else'
3 'One more'
Comment
ID PostId ProfileID Comment
1 1 1 'Hi my name is'
2 2 2 'I like cakes'
3 3 3 'I hate cakes'
Profile
ID Approved
1 1
2 0 …
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I have some data I am querying. The table is composed of two columns - a unique ID, and a value. I would like to count the number of times each unique value appears (which can easily be done with a COUNT and GROUP BY), but I then want to be able to count that. So, I would like to see how many items…
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I have done some talks on different events and summits about Defensive Programming and Design by Contract, last time was at Cornerstone’s Developer Summit 2010. Next time will be at SweNug (Sweden .Net User Group). I decided to write a blog post about of some stuffs I was talking about. Users are…
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I'm getting some file loss and corruption on my Win7/Ubuntu 12.04 dual boot setup. I have a large shared NTFS partition. I have my Windows Docs/Music/etc. directories on that file and have the comparable directors in Linux setup as a sym. link. I'm using ntfs-3g on the linux side of things to…
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I have two DSL lines coming in to wireless access points and then running to a RV082 Gateway/Bridge. The gateway then runs to a switch, which runs to multiple PCs and a Printer (See picture below). Normally, I would set up the wireless access points behind the gateway, but they are also the modems…
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Do you have any reliable face normal calculation code?
I'm using this but it fails when faces are 90 degrees upright or similar.
// the normal point
var x:Number = 0;
var y:Number = 0;
var z:Number = 0;
// if is a triangle with 3 points
if (points…
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when i run my code and debugged,i got this error
- this 0x00093584 {_Myproxy=0x00000000 _Mynextiter=0x00000000 } std::_Iterator_base12 * const
- _Myproxy 0x00000000 {_Mycont=??? _Myfirstiter=??? } std::_Container_proxy *
_Mycont CXX0017: Error: symbol ""…
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Hi,
What is the best algorithm to find if any three points are collinear in a set of points say n. Please also explain the complexity if it is not trivial.
Thanks
Bala
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