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  • OpenStreetMap and Hadoop

    - by portoalet
    Hi, I need some ideas for a weekend project about Hadoop and OpenStreetMap. I have access to AWS EC2 instance with OpenStreetMap snapshot in my EBS volume. The OpenStreetMap data is in a PostgreSQL database. What kind of MapReduce function can be run on the OpenStreetMap data, assuming I can export them into xml format, and then place into HDFS ? In other words, I am having a brain cramp at the moment, and cannot think what kind of MapReduce operation that can extract valuable insight from the OpenStreetMap xml? (i.e. extract all the places designated as park or golf course. But this needs to be done once only, not continuously) Many Thanks

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  • T4 template for NHibernate? - not Fuent NHibernate

    - by NathanD
    Wondering if anyone knows of a set of T4 templates for generating C# POCO classes and also mapping XML files for NHibernate from a set of tables in a database. I saw that David Hayden has created T4 for generating FluentNH code based upon a DBML model, but I'm not quite ready to use FluentNH yet as there isn't even an official release yet (although I love the idea). Anyone know of any T4 templates for using plain NHibernate?

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  • LINQ2SQL and MS SQL 2000

    - by artvolk
    Good day! I have used LINQ2SQL with MS SQL 2005, but now I need to use it with MS SQL 2000. I have found only article on MSDN that tells about Skip() and Take() oddities on MS SQL 2000 (that's because it lacks ROW_NUMBER(), I suppose) and nothing more. Anyway, does anybody have expirience with LINQ2SQL and MS SQL 2000 combination. P.S. Just wondering: is it possible to model LINQ2SQL class on view, not a real table?

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  • OpenDataSource fails pls help

    - by Vivek Chandraprakash
    I'm trying export records from SQL Server 2008 to mdb file using OpenDataSource. It works when I log in using Windows authentication. But it fails when I use SQL Server authentication. This is the error i get OLE DB provider "Microsoft.Jet.OLEDB.4.0" for linked server "(null)" returned message "Could not delete from specified tables.". Msg 7320, Level 16, State 2, Procedure EXPORT_Employee, Line 110 Cannot execute the query "DELETE FROM employee_export " against OLE DB provider "Microsoft.Jet.OLEDB.4.0" for linked server "(null)". Thanks -Vivek

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  • Html table to csv table with image

    - by Joseph
    How to export this html table in to CSV example table: i want this table to be exported to csv .so how to achieve using JQUERY? <html> <body bgcolor="cyan"> <table border="1" align="center" > <br><a href="imp2.csv">Click Here To View In CSV format</a><img src="up.jpg" align="middle" width="39" height="32" /> <tr> <th>ID</th> <th>Name</th> <th>Month</th> <th>Savings</th> </tr> </table> </body> </html> Thanks Joseph

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  • OpenGL ES 2.0 equivalent of glOrtho()?

    - by Zippo
    In my iphone app, I need to project 3d scene into the 2D coordinates of the screen for some calculations. My objects go through various rotations, translations and scaling. So I figured I need to multiply the vertices with ModelView matrix first, then I need to multiply it with the Orthogonal projection matrix. First of all am on the right track? I have the Model View Matrix, but need the projection matrix. Is there a glOrtho() equivalent in ES 2.0?

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  • MathML or OMML to PNG w/ .NET?

    - by charliedigital
    Are there any libraries which take MathML (or, even more preferably, OMML) and outputs a .PNG file? I am putting together an export process for .docx files and, as a part of this process, I'd like to extract equations and render them as .PNG files. Word 2007 does this natively when you save a document for the web, but so far, I have not been able to find a way to do this programmatically (if anyone has an answer for that, it would be even better). So the next best thing is to take the OMML and use the Microsoft provided XSL stylesheets and transform them to MathML. Unfortunately, I haven't been able to find any (working) rendering libraries for either MathML or OMML. If there aren't any pure .NET libraries for this, I'll settle for just about anything that I can call from a commandline to output a .PNG from either MathML or OMML.

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  • How to do a "where in values" in LINQ-to-Entities

    - by Ty
    Does anybody know how to apply a "where in values" type condition using LINQ-to-Entities? I've tried the following but it doesn't work: var values = new[] { "String1", "String2" }; // some string values var foo = model.entitySet.Where(e = values.Contains(e.Name)); I believe this works in LINQ-to-SQL though? Any thoughts?

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  • How to override a method for a MovieClip Symbol in Flash CS3

    - by php html
    I'm using flash to draw objects, then I export them and use them from flex, and I'm a beginner in flash. I'm trying to do the override a method from the MovieClip I created. The method I'm trying to override is stop() method. I didn't write a single line of code, my movie clip is created using entirely the flash interface. I figured out how to add actions to the movie clip when a frame is reached but I'm stucked now when I'm trying to override a MovieClip method.

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  • Three ways to upload/post/convert iMovie to YouTube

    - by user351686
    For Mac users, iMovie is probably a convenient tool for making, editing their own home movies so as to upload to YouTube for sharing with more people. However, uploading iMovie files to YouTube can't be always a smooth run, I did notice many people complaining about it. This article is delivered for guiding those who are haunted by the nightmare by providing three common ways to upload iMovie files to YouTube. YouTube and iMovie YouTube is the most popular video sharing website for users to upload, share and view videos. It empowers anyone with an Internet connection the ability to upload video clips and share them with friends, family and the world. Users are invited to leave comments, pick favourites, send messages to each other and watch videos sorted into subjects and channels. YouTube accepts videos uploaded in most container formats, including WMV (Windows Media Video), 3GP (Cell Phones), AVI (Windows), MOV (Mac), MP4 (iPod/PSP), FLV (Adobe Flash), MKV (H.264). These include video codecs such as MP4, MPEG and WMV. iMovie is a common video editing software application comes with every Mac for users to edit their own home movies. It imports video footage to the Mac using either the Firewire interface on most MiniDV format digital video cameras, the USB port, or by importing the files from a hard drive where users can edit the video clips, add titles, and add music. Since 1999, eight versions of iMovie have been released by Apple, each with its own functions and characteristic, and each of them deal with videos in a way more or less different. But the most common formats handled with iMovie if specialty discarded as far as to my research are MOV, DV, HDV, MPEG-4. Three ways for successful upload iMovie files to YouTube Solution one and solution two suitable for those who are 100 certainty with their iMovie files which are fully compatible with YouTube. For smooth uploading, you are required to get a YouTube account first. Solution 1: Directly upload iMovie to YouTube Step 1: Launch iMovie, select the project you want to upload in YouTube. Step 2: Go to the file menu, click Share, select Export Movie Step 3: Specify the output file name and directory and then type the video type and video size. Solution 2: Post iMovie to YouTube straightly Step 1: Launch iMovie, choose the project you want to post in YouTube Step 2: From the Share menu, choose YouTube Step 3: In the pop-up YouTube windows, specify the name of your YouTube account, the password, choose the Category and fill in the description and tags of the project. Tick Make this movie more private on the bottom of the window, if possible, to limit those who can view the project. Click Next, and then click Publish. iMovie will automatically export and upload the movie to YouTube. Step 4: Click Tell a Friend to email friends and your family about your film. You are also allowed to copy the URL from Tell a Friend window and paste it into an email you created in your favourite email application if you like. Anyone you send to email to will be able to follow the URL directly to your movie. Note: Videos uploaded to YouTube are limited to ten minutes in length and a file size of 2GB. Solution 3: Upload to iMovie after conversion If neither of the above mentioned method works, there is still a third way to turn to. Sometimes, your iMovie files may not be recognized by YouTube due to the versions of iMovie (settings and functions may varies among versions), video itself (video format difference because of file extension, resolution, video size and length), compatibility (videos that are completely incompatible with YouTube). In this circumstance, the best and reliable method is to convert your iMovie files to YouTube accepted files, iMovie to YouTube converter will be inevitably the ideal choice. iMovie to YouTube converter is an elaborately designed tool for convert iMovie files to YouTube workable WMV, 3GP, AVI, MOV, MP4, FLV, MKV for smooth uploading with hard-to-believe conversion speed and second to none output quality. It can also convert between almost all popular popular file formats like AVI, WMV, MPG, MOV, VOB, DV, MP4, FLV, 3GP, RM, ASF, SWF, MP3, AAC, AC3, AIFF, AMR, WAV, WMA etc so as to put on various portable devices, import to video editing software or play on vast amount video players. iMovie to YouTube converter can also served as an excellent video editing tool to meet your specific program requirements. For example, you can cut your video files to a certain length, or split your video files to smaller ones and select the proper resolution suitable for demands of YouTube by Clip or Settings separately. Crop allows you to cut off unwanted black edges from your videos. Besides, you can also have a good command of the whole process or snapshot your favourite pictures from the preview window. More can be expected if you have a try.

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  • Vaadin and Spring MVC Integration

    - by dakull
    I'm thinking about the possibility of using Spring MVC with Vaadin Framework. Are there any documented ways of making them play nicely together ? Also is it a good idea to use them together ? relating to performance; I'm going to run the app on a dedicated server. To make my question a bit more clear, how can i return a modelandview from a Spring MVC Controller that wll render using Vaadin and can access all the model data.

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  • Extract information from conditional formula

    - by Ken Williams
    I'd like to write an R function that accepts a formula as its first argument, similar to lm() or glm() and friends. In this case, it's a function that takes a data frame and writes out a file in SVMLight format, which has this general form: <line> .=. <target> <feature>:<value> <feature>:<value> ... <feature>:<value> # <info> <target> .=. +1 | -1 | 0 | <float> <feature> .=. <integer> | "qid" <value> .=. <float> <info> .=. <string> for example, the following data frame: result qid f1 f2 f3 f4 f5 f6 f7 f8 1 -1 1 0.0000 0.1253 0.0000 0.1017 0.00 0.0000 0.0000 0.9999 2 -1 1 0.0098 0.0000 0.0000 0.0000 0.00 0.0316 0.0000 0.3661 3 1 1 0.0000 0.0000 0.1941 0.0000 0.00 0.0000 0.0509 0.0000 4 -1 2 0.0000 0.2863 0.0948 0.0000 0.34 0.0000 0.7428 0.0608 5 1 2 0.0000 0.0000 0.0000 0.4347 0.00 0.0000 0.9539 0.0000 6 1 2 0.0000 0.7282 0.9087 0.0000 0.00 0.0000 0.0000 0.0355 would be represented as follows: -1 qid:1 2:0.1253 4:0.1017 8:0.9999 -1 qid:1 1:0.0098 6:0.0316 8:0.3661 1 qid:1 3:0.1941 7:0.0509 -1 qid:2 2:0.2863 3:0.0948 5:0.3400 7:0.7428 8:0.0608 1 qid:2 4:0.4347 7:0.9539 1 qid:2 2:0.7282 3:0.9087 8:0.0355 The function I'd like to write would be called something like this: write.svmlight(result ~ f1+f2+f3+f4+f5+f6+f7+f8 | qid, data=mydata, file="out.txt") Or even write.svmlight(result ~ . | qid, data=mydata, file="out.txt") But I can't figure out how to use model.matrix() and/or model.frame() to know what columns it's supposed to write. Are these the right things to be looking at? Any help much appreciated!

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  • Displaytag caption not working

    - by Neeraja
    I am using displaytag to render data, I have it working without any issues. As soon as I use display:caption I get JSP compilation error with the below message. Am I missing anything? I thougt including caption would be simple. If I remove display:caption everything works fine. aaaaa.jsp:527:14: This tag is not recognized. This is the table caption Jsp code: This is the table caption Setup Displaytag1.2 Web-inf/lib Displaytag-1.2.jar Displaytag-export-poi-1.2.jar Displaytag-portlet-1.2.har Itext-1.3.jar Itext-2.0.5.jar WEB-INF/tlds Displaytag.tld Displaytag-12.tld Displaytag-el.td

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  • Dynamic Data with Subsonic 3

    - by Ezequiel Bertti
    i want to make a webproject with Subsonic and Dynamic Data... But when i go register the ContextData a don't have it in subsonic with LINQ... in Global.asax.cs a have to do something like this model.RegisterContext(SubSonicRepo, new ContextConfiguration() { ScaffoldAllTables = true }); how can i make it work? have some way to make it work? using entities or LINQ everything work... but using Subsonic with linq it not work...

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  • Anonymous methods/functions: a fundamental feature or a violation of OO principles?

    - by RD1
    Is the recent movement towards anonymous methods/functions by mainstream languages like perl and C# something important, or a weird feature that violates OO principles? Are recent libraries like the most recent version of Intel's Thread Building Blocks and Microsofts PPL and Linq that depend on such things a good thing, or not? Are languages that currently reject anonymous methods/functions, like Java, making wise choices in sticking with a purely OO model, or are they falling behind by lacking a fundamental programming feature?

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  • What framework for MVVM should I use?

    - by Rangel
    I am developing an application with the MVVM model, but I have reached a point where I need to choose which framework to use. Among the possible options are: MVVM Toolkit MVVM Foundation WPF Application Framework (WAF) Light MVVM Caliburn Cinch Prism In your experience, which is better?

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  • Using XML to generate SAP ABAP and/or SAPScript?

    - by Rob
    Has anyone got examples and/or experience of generating SAP ABAP or SAPScript form code from XML that came from an external application? This would help: creation of SAP-based applications in a data-driven way by automating the knowledge to do so from the export of XML from an external application automated inputting of knowledge from an external application into SAP applications, rather than manually copying between systems enable 3rd-party external tools to be used to create data, perhaps in a more easier-to-use way than could be done in SAP. Or if there was already heavy investment in training with these third party tools rather than SAP, or if the employment market favoured staff with knowledge of these tools enable creation of data for multiple purposes, views: those in SAP and outside SAP. enable inter-operability of SAP with 3rd-party external tools I'm looking for: - experiences as to the feasibility - tools, e.g. parsers, XSLT etc. - examples

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  • Querying many to many fields in django

    - by Hulk
    In the models there is a many to many fields as, from emp.models import Name def info(request): name = models.ManyToManyField(Name) And in emp.models the schema is as class Name(models.Model): name = models.CharField(max_length=512) def __unicode__(self): return self.name Now when i want to query a particular id say for ex: info= info.objects.filter(id=a) for i in info: logging.debug(i.name) //gives an error how should the query be to get the name Thanks..

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  • use Services in MVVM

    - by netmajor
    I want to use Services(WCF/RIA /Web) to take data from Entity Data Model class (maybe NHibernate class) and prepared it special for View layer binding. I have few Silverlight page, so should I create for each page separate service class ? Or create one interface and all method will implement it in one service class? Do You have some advice helped with my with services ?

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