Tag Archives: applications

Holy 350 aummer analysts get job at Goldman Sachs investment bank out of 17000 applications! Same as interns?

Holy 350 aummer analysts get job at Goldman Sachs investment bank out of 17000 applications! Same as interns?

Wow!! That is competitive to get into world’s #1 investment bank just for a summer analyst job. I am sure it pays more than painting houses.

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Youtube video Demo of IQFeed API with Visual C++ Microsoft .NET C# client applications

Youtube video Demo of IQFeed API with Visual C++ Microsoft .NET C# client applications

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Youtube video demo of ZEROMQ for sub communication between R C Sharp C# C++ Java applications

Youtube video demo of ZEROMQ for sub communication between R C Sharp C# C++ Java applications

http://quantlabs.net/membership-new.html

This appears to better than Zero MQ. 0MQ  appears bloated and has no quickstart step by step tutorials for C# or Java. It assume we know everything about programming. This is now not as good as ICE.

Also ICE compiles amnd builds no problems. Lots of demo code for both C# and Java which meets my requirements.

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Is Open Gamma a FREE R package for Risk Management and Front Office applications?

Is Open Gamma a FREE R package for Risk Management and Front Office applications?
Is this it?
http://developers.opengamma.com/downloads/platform-1.0.0
Hi Bryan, Hope you are doing Well. I have a query How to install "Open Gamma" Package In R.am I looking a link to download the "Open Gamma" Package in R. Looking forward from You. Regards
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Youtube video demo Using ICE Demo to have Java talk to Microsoft dot NET C Sharp applications easily and quickly

Youtube video demo Using ICE Demo to have Java talk to Microsoft dot NET C Sharp applications easily and quickly

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Looking at ICE for message queue communication between C# and Java applications

Looking at ICE for message queue communication between C# and Java applications

Anyone ever try using this. It gets good reviews with some solid examples with source code!

http://www.zeroc.com/overview.html

 

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Big Data: Hadoop MapReduce – A brief intro, concepts, applications & tools

Big Data: Hadoop MapReduce – A brief intro, concepts, applications & tools

prdeepakbabu.wordpress.com

Hadoop is an open source framework for writing and running distributed application that process huge amounts of data ( more famously called Big Data). The name Hadoop is not an acronym; it’s a ma…

 

 

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Youtube video on how to use Matlab builder Toolbox for .Net C# and Excel for your target HFT trading applications

Youtube video on how to use Matlab builder Toolbox for .Net C# and Excel for your target HFT trading applications

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Why do Adobe AIR applications crash so many times?

Why do Adobe AIR applications crash so many times?

I am using the Zinio Reader which is done in Adobe AIR. This things crashes so much or just makes the computer crawl. This is another piece of bad Adobe engineering. Flash is getting worse and worse. It should be lightweight not fat.

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C++ float/double in financial applications such as that in stock exchanges and/or brokerage house

Use of C++ float/double in financial applications such as that in stock exchanges and/or brokerage houses.

Is the rounding gap resulting from using float in C++ considered immaterial/acceptable? Is it a normal practice? What about using a customized fixed-point class to do such math? What are your opinions? Thanks a lot in advance

Yes the rounding gap using float can and will have a impact, and for any financial application I would personally suggest NOT using float/double for money storage/calculations. You will regret it in the end.

Depending on the number of decimal points you wish to use, would depend on your solution.
Lets say you are only interested in 2 decimal points, in this case a long (or int) would work.
ie the number $100.10 would be stored as 10010.
Giving a:
Int range: -21,474,836.48 to 21,474,836.47
Long range: –92,233,720,368,547,758.08 to 92,233,720,368,547,758.07

If you want more than 2 decimal points then make sure you use atleast long.
If the number of decimal points would not leave enough for your upper limit, then separate the whole and decimal into 2 int (or long).

Note:
No matter which of the above I use, I always design 1 Money class that handles all the maths, string to display etc. This allows much easier to change the structure if you find you choose incorrectly at the beginning

It depends on what type of finance you are doing. But be ready to familiarize yourself with terms like tick size, tick value, tick size denominator and various numerators.

E.g.

http://www.nyxdata.com/nysedata/default.aspx?tabid=993&id=739
http://www.nyxdata.com/nysedata/default.aspx?tabid=993&id=29

In addition, there are techniques like http://en.wikipedia.org/wiki/Guard_digit

 

 

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