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  • Using R to Analyze Balance Sheets and Income Statements

    - by Ramnath
    I am interested in analyzing balance sheets and income statements using R. I have seen that there are R packages that pull information from Yahoo and Google Finance, but all the examples I have seen concern historical stock price information. Is there a way I can pull historical information from balance sheets and income statements using R?

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  • SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

    - by Vikash
    I am using Authlogic-Connect for third party logins. After running appropriate migrations, Twitter/Google/yahoo logins seem to work fine but the facebook login throws exception: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed The dev log shows OpenSSL::SSL::SSLError (SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed): app/controllers/users_controller.rb:37:in `update' Please suggest..

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  • Python urllib2 multiple try statement on urlopen()

    - by Kura
    So, simply I want to be able to run a for across a list of URLs, if one fails then I want to continue on to try the next. I've tried using the following but sadly it throws and exception if the first URL doesn't work. servers = ('http://www.google.com', 'http://www.stackoverflow.com') for server in servers: try: u = urllib2.urlopen(server) except urllib2.URLError: continue else: break else: raise Any ideas? Thanks in advance.

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  • Too much data for RSA block fail. What is PKCS#7?

    - by Tom Brito
    Talking about javax.crypto.Cipher; I was trying to encrypt data using Cipher.getInstance("RSA/None/NoPadding", "BC"); but I got the exception: ArrayIndexOutOfBoundsException: too much data for RSA block Looks like is something related to the "NoPadding", so, reading about padding, looks like CBC is the best approach to use here. I found at google something about "RSA/CBC/PKCS#7", what is this "PKCS#7"? And why its not listed on sun's standard algorithm names?

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  • Multiple SiteMap: entries in robots.txt?

    - by user306942
    I have been searching around using Google but I can't find an answer to this question. A robots.txt file can contain the following line: Sitemap: http://www.mysite.com/sitemapindex.xml but is it possible to specify MULTIPLE sitemap index files in the robots.txt and have the search engines recognize that and crawl ALL of the sitemaps referenced in each sitemap index file? For example, will this work: Sitemap: http://www.mysite.com/sitemapindex1.xml Sitemap: http://www.mysite.com/sitemapindex2.xml Sitemap: http://www.mysite.com/sitemapindex3.xml

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  • Random record in ActiveRecord

    - by astrofoo
    I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006. However, I've also come across another way via a Google search (can't attribute with a link due to new user restrictions): rand_id = rand(Model.count) rand_record = Model.first(:conditions => [ "id >= ?", rand_id]) I'm curious how others on here have done it or if anyone knows what way would be more efficient.

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  • Facebook Login Api

    - by shyam
    I am developing a mobile application that let users post pictures to facebook in J2ME. For this within the app I am collecting user's facebook username and password. How can I use these login credentials to post pictures to facebook. I came across http://code.google.com/p/facebook-java-api/ but will this allow me to do the same? I have used nokia community software that does this. Please Help

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  • How Can I Programmatically Build a Multi-Page TIFF out of Many Single Page TIFFs, Using Python?

    - by MetaHyperBolic
    I've found, via Google, numerous people asking the same question, but no solutions. The Python Image Library (PIL) has tools for stepping through an already existing multi-page TIFF, but nothing about creating them. Libraries would hopefully be available on Windows, for Python 2.6. If there's some freeware out there which will do the trick, I wouldn't mind seeing it, but I was hoping I could accomplish this in Python.

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  • Best way to draw a bar chart in LaTeX?

    - by Tae
    I was looking for it here in Stack Overflow as in Google, and I found a lot of packages to draw, but it seems a complex task, so I would like to know which is the most appropriate package to draw bars, and associate data to it. Also I was looking for a code example, but I did not have luck.

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  • Drop shadow on a div container?

    - by Mike
    I have a searchbox with auto-suggest that pops a div up underneath it with multiple search string suggestions (like google). Is it possible to have drop shadow on the auto-suggest box with CSS or will I need a script of some sort? I tried a background image but the number of suggests can vary from 1 to 10 or 15. I'd prefer something that works in IE6+ and FF2+ if possible. Thanks!

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  • what does driver program mean?

    - by Tom
    there is a quote from Algorithms for Java (sedgwick 2003) p. 135: "we commonly use driver programs when developing or debugging adt iplementations" what is meant by driver program? google just gives me loads of info about programming drivers, clearly not related

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  • Counting HTML images with Python

    - by user2537246
    I need some feedback on how to count HTML images with Python 3.01 after extracting them, maybe my regular expression are used properly. Here is my code: import re, os import urllib.request def get_image(url): url = 'http://www.google.com' total = 0 try: f = urllib.request.urlopen(url) for line in f.readline(): line = re.compile('<img.*?src="(.*?)">') if total > 0: x = line.count(total) total += x print('Images total:', total) except: pass

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  • Is there an encoding method that is mutual to flash and php?

    - by Gus
    I'm base64 encoding a JPG in AS3 and passing it to PHP where it would be decoded. It appears that AS3's encodeToBase64String() function and and PHP's base64_decode() function do not use the same algorithm. Is there a library or API for either language that would allow it to interface with the other? Alternatively, does anyone even know what PHP's default base64 map is? My Google searching is not yielding results.

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  • Resizing an iframe based on content

    - by larssg
    I am working on an iGoogle-like application. Content from other applications (on other domains) is shown using iframes. How do I resize the iframes to fit the height of the iframes' content? I've tried to decipher the javascript Google uses but it's obfuscated, and searching the web has been fruitless so far. Update: Please note that content is loaded from other domains, so the same-origin policy applies.

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  • What can I do to avoid losing original resolution when uploading or exporting photos from Picasa?

    - by Janet Levin
    I'm not a programmer, and/but after multiple email discussions and google searches confirmed the problem I'm describing, and after making changes in picasa preferences with no change in resolution loss (from say, 800kb original image to 235kb after export or upload), I'm at a dead end and thinking the answer may lie among you folks, even though I barely understand the language here.

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  • What is the process of turning HTML into Postscript programmatically

    - by Dean
    I am trying to understand what the process is of turning HTML into a PDF/Postscript programmatically All Google searches turn up libraries to do this, but I am more interested in the actual process required. I know you could just set up a Postscript printer and print directly to that, but some of these libraries appear to create the PDF on the fly to allow previews etc. has anyone had any experience in this, or can provide any guidance?

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  • How to replicate CoreData NSFetchedResultController with plain SQLite?

    - by jchatard
    I would like to replicate the notification sort of system provided with CoreData NSFetchedResultController which with really little enables us to update a tableView based on events such as Insert/Update/Delete of objects represented as Cells. I'm currently using SQLitePersistentObjects as a Database abstraction layer: http://code.google.com/p/sqlitepersistentobjects/ If you have any idea or something working or at least advices I'd be very happy! Thank you!

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