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My question is simple, which is the most logical way to learn to handle the concepts of ajax, and that time should be spent on each phase of this new model.
Simplest thing of learning something, is doing something.
First of all, you need to understand the fundametals.. what is AJAX, what was before AJAX and what exact issues does it solve.
After you might consider to learn jQuery AJAX API (http://api.jquery.com/category/ajax/) for client side and PHP (or any other language, that is easy to start) as server. And do some small tasks - as one of AJAX kata, it could be implementation of 'Google word suggest'.
Given you have some web development experience, I suggest the following book - it is really excellent in my opinion:
http://www.amazon.com/Ajax-Definitive-Anthony-Holdener-III/dp/0596528388/ref=pd_sim_b_3
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May I know is there a way to programmatically detect major FOREX news and avoid trading in those time frame?
You need Forexfactory news indicator, "FFCal", that reads data from the website and returns true/false depending on time in minutes before/after major/mid/minor news events. you can download it on fxfactory website, use is rather simple
int result = (int)iCustom(Symbol(),0,"FFCal", (parameters),0,0);
Oh sure, sir, it is!
Let me share an example of such a fully automated / scripted approach:
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I am trying to take a look at the status of r7rs large but I cannot find any information
in scheme reports page, etc, just a talk from 2013. I searched around with google without success as well.
Is it still alive?
Where can I find information?
What would be the tentative date?
What is the progress at this point?
Thanks.
You can read about the R7RS process on the R7RS working group wiki. R7RS-large is listed under the "Working Group 2" section of the front page.
In particular, look through the StandardDocket and ConsentDocket sections. Standard docket is for stuff that's under discussion (and eventual voting). Consent docket is for generally-uncontroversial stuff that's likely to get into R7RS-large without having to be voted on.
There is no firm timeline that I am aware of (though I'm not part of the working group and do not speak for them). The standard docket is quite long, though, and they will have to process through most/all of it before you have anything that you can call R7RS-large.
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I tried to find the usage of NtqueryDirectoryFile() function.
http://msdn.microsoft.com/en-us/library/windows/hardware/ff556633%28v=vs.85%29.aspx
I refered the above link for this. But, They mentioned about Zwxxx (). I couldn't understand Ntxx and ZWxxx. Can anyone explain about this.
Basically Zw functions are equivalent of Nt functions except they don't do security checks, so are used inside kernel mode only, to avoid the performance penalty.
You can only call Nt functions from user mode, through ntdll.dll. As Michael pointed out Zw functions are just mnemonics to Nt counterparts in user mode.
#Adriano provided a nice link: http://msdn.microsoft.com/en-us/library/windows/hardware/ff565438(v=vs.85).aspx
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I would like to have the data in my site individually. For example: visitant 1 visited page 1, page 2, page 3, at time x,y,z.
How can i get this data in analytics?
You cannot see data for individual visitors in GA (and trying to do so would violate Googles Terms of Service).
You can redirect the tracking calls to your own server and write a script to parse for visitor data, see me answer here:
What would database-schema/database-design look like for google analytics?
(Those methods served for compatibility with the Urchin analytics software - since support for Urchin was dropped it might be that those method will be dropped at some point in the future).
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I need to screenscrape a bunch of pages and store them in a database using ActiveRecord. I messed around using EventMachine and Typhoeus but I get flaky results, mostly mysteriously empty records getting saved.
What's the trick? I had the best results with scraping pages and writing them to disk, then inserting them into the DB, but I'd really like to do it in a single pass.
Is anybody doing this successfully?
My guess is your threads are sharing an AR connection. This will cause problems, and anyway concurrency won't get records into your database any faster. I suggest you download concurrently and insert them in a single thread (like you've been doing.)