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by assylias
February 3rd, 2012, 9:16 am
Forum: Programming and Software Forum
Topic: JFree: Conditioning coloring of candlesticks
Replies: 1
Views: 15228

JFree: Conditioning coloring of candlesticks

<t>For example (up bar with white border and dark grey interior, down bar in blue): CandlestickRenderer renderer = new CandlestickRenderer(); renderer.setUpPaint(Color.DARK_GRAY); renderer.setUpBorderPaint(Color.WHITE); renderer.setDownPaint(new Color(0, 128, 255)); renderer.setDownBorderPaint(new C...
by assylias
February 1st, 2012, 7:53 pm
Forum: Programming and Software Forum
Topic: Bloomberg API Wrapper & Open Source
Replies: 4
Views: 16824

Bloomberg API Wrapper & Open Source

Very interesting, thanks for sharing. More about it here.
by assylias
January 31st, 2012, 1:25 pm
Forum: Programming and Software Forum
Topic: Bloomberg API Wrapper & Open Source
Replies: 4
Views: 16824

Bloomberg API Wrapper & Open Source

argh... I did research Bloomberg in many places, but not blp!Thanks!
by assylias
January 31st, 2012, 12:02 pm
Forum: Programming and Software Forum
Topic: Bloomberg API Wrapper & Open Source
Replies: 4
Views: 16824

Bloomberg API Wrapper & Open Source

<t>Hi all,I am using the Bloomberg Java API and I have written a "wrapper" to make the interface more intuitive and user-friendly.So now, I can write something like this to get real time data for example: final RealTimeDataFeed feed = new BloombergDataFeed(); feed.addSecurities(Arrays.asList("VGA In...
by assylias
October 12th, 2011, 7:33 am
Forum: Programming and Software Forum
Topic: Equity fundamentals database design
Replies: 20
Views: 21848

Equity fundamentals database design

<t>This is more of a hack than good DB design but I have once seen a DB where price tables had 366 columns containing the data for each day of a year. It is quite ugly but can be much faster than having a typical 2 columns [date, value] structure.So it looks like:[year, value on day 1, value on day ...
by assylias
August 25th, 2011, 1:31 pm
Forum: Programming and Software Forum
Topic: Getting or returning large arrays into excel with VBA
Replies: 5
Views: 20729

Getting or returning large arrays into excel with VBA

<t>The most efficient way to do that in VBA is to Dim myArray As VariantmyArray = Sheets("Sheet1").Range("A1:IV3000")myArray(1, 1) = "Another value"Sheets("Sheet1").Range("A1:IV3000") = myArrayThis might fail if one of the cell in the range returns an error.Looping over the cells within the range is...
by assylias
May 3rd, 2011, 11:59 am
Forum: General Forum
Topic: beta difference with Reuters
Replies: 1
Views: 22770

beta difference with Reuters

Using monthly returns from April 06 to April 11, I calculate a beta of 5.0.Using daily returns over the same period the beta is 1.6.Difficult to tell if you are doing something wrong without knowing how you compute the calculation!