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  • finding elements in python association lists efficiently

    - by user248237
    I have a set of lists that look like this: conditions = [ ["condition1", ["sample1", "sample2", "sample3"]], ["condition2", ["sample4", "sample5", "sample6"], ...] how can I do the following things efficiently and elegantly in Python? Find all the elements in a certain condition? e.g. get all the samples in condition2. Right now I can do: for cond in conditions: cond_name, samples = cond if cond_name == requested_cond: return samples but that's clunky. Find the ordered union of a list of conditions? E.g. ordered_union(["condition1", "condition2"], conditions) should return: ["sample1", "sample2", "sample3", "sample4", "sample5", "sample6"] How can I do this efficiently in Python? There are probably clever one liners?

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  • Python "string_escape" vs "unicode_escape"

    - by Mike Boers
    According to the docs, the builtin string encoding string_escape: Produce[s] a string that is suitable as string literal in Python source code ...while the unicode_escape: Produce[s] a string that is suitable as Unicode literal in Python source code So, they should have roughly the same behaviour. BUT, they appear to treat single quotes differently: >>> print """before '" \0 after""".encode('string-escape') before \'" \x00 after >>> print """before '" \0 after""".encode('unicode-escape') before '" \x00 after The string_escape escapes the single quote while the Unicode one does not. Is it safe to assume that I can simply: >>> escaped = my_string.encode('unicode-escape').replace("'", "\\'") ...and get the expected behaviour?

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  • python's `with` statement

    - by Prestel Nué
    Hi there, seems like I do not understand something with---the python with statement. Consider this class: class test(object): def __enter__(self): pass def __exit__(self, *ignored): pass now, when using it with with, like in with test() as michael: print repr(michael) I would expect some output like <test instance at memore blah>. But I get None. Something wrong here? Any suggestions would help. (I am using Python 2.6.6.) EDIT: Thanks to ephement for pointing me to the documentation. The __enter__ method should read def __enter__(self): return self

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  • Reboot windows machines at a certain time of day and automatically login with Python

    - by Tom
    I know how to reboot machines remotely, so that's the easy part. However, the complexity of the issue is trying to setup the following. I'd like to control machines on a network for after-hours use such that when users logoff and go home, or shutdown their computers, whatever, python or some combination of python + windows could restart their machines (for cleanliness) and automatically login, running a process for the night, then in the morning, stop said process and restart the machine so the user could easily login like normal. I've looked around, haven't had too terribly much luck, though it looks like one could do it with a changing of the registry. That sounds like a rough idea though, modifying the registry on a per-day basis. Is there an easier way?

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  • Beginner's Language app

    - by Eiseldora
    Hi I'm a techie with no programing experience. I know html and css, but I'd like to someday be able to make an app for my phone (I have an android) and possibly mobile websites. I made learning a programing language and creating a mobile app a goal for my job, and now my boss would like me to pick a programing language to learn. I found a free open course from MIT (http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-00-introduction-to-computer-science-and-programming-fall-2008/) called introduction to computer science. In the course they teach python, but more importantly it seems they teach how to think like a programmer. When I told my boss about the free online course she didn't think that Python was an appropriate language for me to learn. She'd like me to learn a language that is more similar to one used to make Phone apps. Does anyone out there know a better language for me to pick up that would be similar to Android or iPhone's App language. Thank you

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  • Python: Matching & Stripping port number from socket data

    - by tobywuk
    Hello, I have data coming in to a python server via a socket. Within this data is the string '<port>80</port>' or which ever port is being used. I wish to extract the port number into a variable. The data coming in is not XML, I just used the tag approach to identifying data for future XML use if needed. I do not wish to use an XML python library, but simply use something like regexp and strings. What would you recommend is the best way to match and strip this data? I am currently using this code with no luck: p = re.compile('<port>\w</port>') m = p.search(data) print m Thank you :)

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  • How does * work in Python

    - by Deqing
    Just switched from C++ to Python, and found that sometimes it is a little hard to understand ideas behind Python. I guess, a variable is a reference to the real object. For example, a=(1,2,5) meaning a - (1,2,5), so if b=a, then b and a are 2 references pointing to the same (1,2,5). It is a little like pointers in C/C++. If I have: def foo(a,b,c): print a,b,c a=(1,3,5) foo(*a) What does * mean here? Looks like it expands tuple a to a[0], a[1] and a[2]. But why print(*a) is not working while print(a[0],a[1],a[2]) works fine?

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  • Python in Finance by Yuxing Yan, Packt Publishing Book Review

    - by Compudicted
    Originally posted on: http://geekswithblogs.net/Compudicted/archive/2014/06/04/python-in-finance-by-yuxing-yan-packt-publishing-book-review.aspx I picked Python in Finance from Packt Publishing to review expecting to bore myself with complex algorithms and senseless formulas while seeing little actual Python in action, indeed at 400 pages plus it may seem so. But, it turned out to be quite the opposite. I learned a lot about practical implementations of various Python modules as SciPy, NumPy and several more, I think they empower a developer a lot. No wonder Python is on the track to become a de-facto scientist language of choice! But I am not going to compromise the truth, the book does discuss numerous financial terms, many of them, and this is where the enormous power of this book is coming from: it is like standing on the shoulders of a giant. Python is that giant - flexible and powerful, yet very approachable. The TOC is very detailed thanks to Packt, any one can see what financial algorithms are covered, I am only going to name a few which I had most fun with (though all of them are covered in enough details): Fama*, Fat Tail, ARCH, Monte-Carlo and of course the volatility smile! I am under an impression this book is best suited for students in Finance, especially those who are about to join the workforce, but I suspect the material in this book is very well suited for mature Financists, an investor who has some programming skills and wants to benefit from it, or even a programmer, or a mathematician who already knows Python or any other language, but wants to have fun in Quantitative Finance and earn a few buck! Pure fun, real results, tons of practical insight from reading data from a file to downloading trade data from Yahoo! Lastly, I need to complement Yuxing – he is a talented teacher, this book could not be what it is otherwise. It is a 5 out of 5 product. Disclaimer: I received a  free copy of this book for review purposes from the publisher.

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  • Does Google consider my blog page as duplicate page if that page URL and that page URL with ‘showcomment’ cached separately?

    - by John Sanjay
    While I’m searching all the index page of my blog I found that Google cached one of my blog page http://example.com/page.html as well as http://example.com/page.html?showComment=1372054729698 These two pages are showing while I searched site:http://example.com. I’m so afraid about it because these two pages are same with same content. Does google consider these two pages as duplicate? If so what can I do now? Is it really a big problem to my blog?

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  • How do I fix Google Earth 6.2.2 theme and fonts in 12.04?

    - by Joshua Robison
    Here is the problem. I would like to know how to get Google Earth using better fonts with anti-aliasing for English and Japanese. Don't know what these fonts are but they are hideous and completely different from my system fonts or Libre Office fonts or even QT apps like VLC and MiniTube. I'm using 12.04 LTS 32bit and almost had complete success with the 11.10 fix posted here Google Earth and Skype theme the theme and fonts will show up correctly for about 5 seconds before the program crashes.

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  • Filtering your offices IPs from Google Analytics when each has a dynamic IP?

    - by leeand00
    I found the documentation for filtering IPs from Google Analytics, but the address of the several locations of our company all have dynamic IP addresses that change every 30 days from what I'm told. I know from working with Dynamic DNS that the provider usually gives you a script that you configure your router to run when it's IP address changes or when it is restarted, which passes the new IP address to the DDNS server. I'm wondering if there might be a way to write or use a preexisting script to do the same thing with the Google Analytics API.

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  • How long does it take for Google to re-index pages or update the link titles?

    - by ElHaix
    On one of our classified sites, when doing site:[mysite.com] in Google, the link text is simply [product name] - [mysite.com], where as it should read [product name] classifieds for sale in... I suspect that the site map may have been submitted when we just had [product name], and updated the page titles later. However, it has been a couple of weeks that I have confirmed the longer page titles, and still they appear shortened in organic results. How can I get this looking right in Google's organic results?

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  • How to prevent Google from indexing non-domain URL of website?

    - by Gavin
    My webhost gives you two URLs for your website: the URL on your shared server, which is something like usr283725992783.webhost.com and your domain URL, which is www.example.com Google is indexing both of these URLs, but obviously I only want www.example.com to be indexed. I can't add "nofollow" tags to usr283725992783.webhost.com because that URL serves the same files as www.example.com. How can I only make Google not follow usr283725992783.webhost.com and keep following www.example.com?

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  • Why are the custom campaign parameters in Google Analytics so long?

    - by Baumr
    Adding several Google Analytics custom campaign parameters can make URLs very long. For example, in Google's own examples: http://www.example.com/?utm_campaign=spring&utm_medium=referral&utm_source=exampleblog http://www.example.com/?utm_campaign=spring&utm_medium=email&utm_source=newsletter1 http://www.example.com/?utm_campaign=spring&utm_medium=email&utm_source=newsletter1&utm_content=toplink Is there shorter alternatives that GA will pick up?

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  • Sync Google Calendar with SharePoint Calendar

    - by dataintegration
    The ADO.NET Providers for Google and SharePoint make it easy to retrieve and update data in both Google's web services and SharePoint. This article shows how the SQL interface to data makes it easy to build applications that need to move data from one source to another. The application described here is a demo Windows application that synchronizes calendar events between Google and SharePoint, but the RSSBus Providers can be used to achieve integrations on both the .NET and the Java platforms, including more sophisticated features like full automation. Getting the Events Step 1: Google accounts can have several calendars. Obtain a list of a user's Google Calendars by issuing a query to the Calendars table. For example: SELECT * FROM Calendars. Step 2: In order to get a list of the events from a given Google Calendar, issue a query to the CalendarEvents table while specifying the CalendarId from the Calendars table. The resulting events can be further filtered by using the StartDateTime or EndDateTime columns. For example: SELECT * FROM CalendarEvents WHERE (CalendarId = '[email protected].google.com') AND (StartDateTime >= '1/1/2012') AND (StartDateTime <= '2/1/2012') Step 3: SharePoint stores data in Lists. There are various types of lists, e.g., document lists and calendar lists. A SharePoint account can have several lists of the same type. To find all the calendar lists in SharePoint, use the ListLists stored procedure and inspect the BaseTemplate column. Step 4: The SharePoint data provider models each SharPoint list as a table. Get the events in a particular calendar by querying the table with the same name as the list. The events may be filtered further by specifying the EventDate or EndDate columns. For example: SELECT * FROM Calendar WHERE (EventDate >= '1/1/2012') AND (EventDate <= '2/1/2012') Synchronizing the Events Synchronizing the events is a simple process. Once the events from Google and SharePoint are available they can be compared and synchronized based on user preference. The sample application does this based on user input, but it is easy to create one that does the synchronization automatically. The INSERT, UPDATE, and DELETE statements available in both data providers makes it easy to create, update, or delete events as needed. Pre-Built Demo Application The executable for the demo application can be downloaded here. Note that this demo is built using BETA builds of the ADO.NET Provider for Google V2 and ADO.NET Provider for SharePoint V2, and will expire in 2013. Source Code You can download the full source of the demo application here. You will need the Google ADO.NET Data Provider V2 and the SharePoint ADO.NET Data Provider V2, which can be obtained here.

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  • Emails : les services Postini font leur transition vers Google Apps, la marque sera complètement abandonnée

    Emails : les services Postini font leur transition vers Google Apps La marque sera complètement abandonnée Postini, le service d'archivage et de sécurisation d'email acquis par Google en 2007, sera intégré début 2013 aux offres professionnelles de Google Apps, ainsi qu'au Google Apps Vault, le service de découverte et d'archivage d'email. La marque Postini sera complètement abandonnée et ses anciens utilisateurs seront migrés vers Google Apps selon le schéma illustré dans le tableau suivant : [IMG]http://idelways.developpez.com/news/images/schema-migration.png[/IMG] Les différents clients recevront des renseignements de transition ainsi qu...

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  • Google Analytics: How can I traffic and referrals from iPad applications?

    - by kayaker243
    In Google Analytics, there is extensive information on the mobile device, version and browser version. However, this doesn't seem to go beyond the mobile browser. I would like to determine which application is responsible for visits to my site. Specifically, I want to know how many visits are coming from zite. http://www.handsetdetection.com/properties/vendormodel/Apple/iPad/page:4 seems to indicate this information is probably available, where/does Google Analytics expose this?

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  • Can a site recover by itself after dropping google page rank for 404 errors?

    - by Jeff
    Recently redid a website and changed the directory / URL structure. I did some .htaccess redirects for the main landing pages - however when reviewing web master tools received 404 errors for the rest of the changed URLs and noticed that Google dropped my site from the #1 position to around the 5th page. I corrected all the 404s by providing redirects in the .htaccess, resubmitted the site map and tested the google crawl bot. Will my page regain its rank by itself - or am I going to have to put some time into like I originally did?

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  • How do I make Chromium use Flash from Google Chrome?

    - by Ubuntuser
    Now, that Adobe has stopped issuing new releases for Linux desktops, the only option for users is to use Google Chrome, for those who want to use the latest Flash updates. I use Chromium. Is there any way to get Chromium use the Flash from Google Chrome? The reason I as this question is that I have noticed both these browsers run in the background, so technically, the browsers' plugins are available to use.

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