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The IB data feed is NOT time stamped, so any charting software using the feed must use the PC clock to determine bar start/end. When an application first connects to TWS it receives a message with the IB server time. The charting application MAY choose to use this to apply a correction to the PC...

As I said in previous post some of the order book volume may not be from directional traders. Perhaps arbs of various types. Maybe somebody with more knowledge could expand on this or tell me it's a lot of nonsense. That this stuff seems more applicable to SIFs than currency futures is a clue here.

I have been looking into this for a little while and I am in no doubt that the DOM behavior called ACV is quite real on stock index futures. It is not nearly so pronounced on CME FX futures (Why ?). I too would like to understand what is going on here. I suspect that some of the order book...

It should be obvious that it is much more cost effective to maintain/develop a single cross platform application than trying to develop 3+ versions. The result is also likely to be considerably less buggy. The idea of trying to maintain a single code base for Windows/Unix GTK/Apple Coco GUI...

Indeed. I recently had the pleasure of installing Ubuntu Linux (or more correctly Kubuntu) on a Dell laptop. Inserted live/installation CD, booted the machine from CD - checked for correct video resolution, wireless PCMCIA card working etc. Clicked the install icon and answered the questions...

Bios boot order perhaps ? Ensure the CD is before HDD in the bios boot order.

Nice post. There is so much utter nonsense about socialism that comes from the US right. How many times must it be said that state intervention in the economy and a powerfull state does not necessarily equal socialism. Indeed, capitalism has frequently coexisted very easily with powerfull and...

I depends. If your existing video is integrated onto the motherboard, it is quite possible (indeed likely) that it will have to be disabled to use a dual head card. If your existing video is say an AGP card plugged into the AGP slot, you should be able to add a PCI dual head card, and have 3...

Two points: 1. The web server example clearly illustrates the point that the incidence of security vulnerabilies is not necessarily tried to the size of the installed base. Web servers because of their numbers, visibility and the bandwidth they are connected to are a juicy prospect for...

A very tired argument. It it well known that the Apache web server (open source) has a vastly better security record than Microsoft IIS. Apache has the lions share of the web server market - more than twice that of IIS - providing a bigger target than Windows for potential attacks on web...

While it seems fairly improbable that NSA is conniving with MS to monitor every PC, this raises a very important issue. You can never be absolutely certain of what closed source software is doing. Windows, OS X, Tradestation, ESignal, TWS, MS Office - any commercial or free (as in beer) software...

Start here: http://developer.apple.com/cocoa/ There is also Java with IDEs such as Netbeans. Also many open source tools. Use google.

At least six months down to 1 min bars.

As the previous poster said, check the API docs. It used to be 6 months. I think it may have been extended to 12 now. However not all software supports this as there a some issues with the API and some limitations that may cause some vendors to not fully support it. It definately can do more...

True and although we was robbed to some extent, many people here recognise that they shouln't have been in that position. It was just a bit unfortunate that Harry Kewell who is possibly Australia's best player ever, was out of the match. He may have added a little more firepower to break down...

From the FIFA site: and I can't see how any of these apply to the penalty decision against AUS as Lucas Neil was lying on the ground with his back to the Italian player. The decision was probably wrong but I'm Australian so perhaps biased. Anyway, great effort from the Australian team...

I honestly think that this sort of expectation is unrealistic especially after reading just one book, no matter how good it is, and how oriented towards trading it might be. Turning out something like WealthLab is a major undertaking - several person years at least for experienced developers...

It is not tick data - it is OHLCV time bars. In my experience it is accurate. I've found the backfill is be fairly reliable. The API is a little clumsy, but it works reliably. To my knowledge there is as yet no historical data for expired contracts. A couple of posts on another thread have...

All very valid points. There is also the possibility of running Windows and OS X simultaneously through virtualization. This has got to be an attractive proposition for those that prefer Mac but require some 'must have' Windows only software. Virtualization is hardly new. I used Vmware for...

hmartin, Thanks for the info.