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• Graphviz DOT arrange Nodes in circles

  - by Ivo Wetzel

  OK here's my problem, I'm generating a graph of a python module, including all the files with their functions/methods/classes. I want to arrange it so, that nodes gather in circles around their parent nodes, currently everything is on one gargantuan horizontal row, which makes the thing 50k pixels wide and also let's the svg converter fail(only renders about the half of the graph). I went trough the docs(http://www.graphviz.org/doc/info/attrs.html) but couldn't find anything that seems to do the trick. So the question is: Is there a simple way to do this or do I have to layout the whole thing by myself? :/

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• Accessing ImageButton Contents

  - by Bill

  I am representing a Solar-System's planets with ImageButtons that show the planet's image on the surface of the button, and hold the planet's important data.. name, distance from sun, etc within an instance of a Planet class, stored within the ImageButton.Content property. When the ImageButton is selected, I am attempting to access and display the Planet class's data for the selected Planet. Although ((ImageButton)e.OriginalSource).Content permits viewing all of the Planet class's properties in the debugger, I haven't figured out how to access the Planet class properties directly, as in Pluto.DistanceFromTheSun? Is it possible to access the Planet class information held in the ImageButton contents directly?

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• Is learning the Caché database hard coming from relational databases and object oriented programming

  - by Edelcom

  I am currently running the local version of Caché on my system in order to determine if I can (and will) take on a new possible project. The current project uses Delphi 7 as a front end calling a Caché dll where the business logic is stored in the database. I have a background of Sqlserver and Firebird (and before Access and Paradox) as databases. I use Delphi 7 for 95% of my Windows development, so I know about object programming. I would like to recieve opinions from persons having used Caché and either SqlServer, Firebird or Oracle and having developed in Delphi (or C++ or C# - an object oriented language). I have read the pro's and con's from other questions, but I am not asking for this, I need input from Caché developers. Thanks in advance.

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• PHP variable in variable

  - by FFish

  I have set an array in my config file that I use global in my functions. This works fine, but now I want to pass the name of this array as a @param in my function. // in config file: $album_type_arr = array("appartamento", "villa"); global $album_type_arr; // pull in from db_config echo $album_type_arr[0]; function buildmenu($name) { $test = global $name . "_arr"; echo $test[0]; } buildmenu("album_type");

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• Python Naming Conventions for Dictionaries/Maps/Hashes

  - by pokstad

  While other questions have tackled the broader category of sequences and modules, I ask this very specific question: "What naming convention do you use for dictionaries and why?" Some naming convention samples I have been considering: # 'value' is the data type stored in the map, while 'key' is the type of key value_for_key={key1:value1, key2,value2} value_key={key1:value1, key2,value2} v_value_k_key={key1:value1, key2,value2} Don't bother answering the 'why' with "because my work tells me to", not very helpful. The reason driving the choice is more important. Are there any other good considerations for a dictionary naming convention aside from readability?

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• Grep Crystal Reports (with Sub-reports)

  - by Anne

  I need a way to quickly search a large number of Crystal reports (with sub-reports) for the names of several stored procedures. (Trying to find dependencies.) I'm running Windows XP and downloaded this grep program - http://www.wingrep.com/download.htm. So far, I'm not convinced that it's working. Does anyone know of a reliable way, other than opening each report and sub-report, to search Crystal reports for the existence of a file name? Thanks in advance for any tips.

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• Memory efficient way of inserting an array of objects with Core Data

  - by randombits

  I'm working on a piece of code for an iPhone application that fetches a bunch of data from a server and builds objects from it on the client. It ends up creating roughly 40,000 objects. They aren't displayed to the user, I just need to create instances of NSManagedObject and store them to persistent storage. Am I wrong in thinking that the only way to do this is to create a single object, then save the context? is it best to create the objects all at once, then somehow save them to the context after they're created and stored in some set or array? If so, can one show some example code for how this is done or point me in the direction to code where this is done? The objects themselves are relatively straight forward models with string or integer attributes and don't contain any complex relationships.

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• Display Image over map layer in GeoServer

  - by iririr

  Hi I am newbie when it comes to GeoServer and trying to figure out if there is an easy way to display images on top of map layer. A background: In my application, based on a search criteria, some polygons are drawn on the map. Each polygon has a corresponding image (in TIFF format) that is stored somewhere. I want to load the image on top of the map when the user zooms in to a certain zoom level. I know this can be done using openLayers but since my images are in TIFF format, (openLayers is not able to render TIFF images as far as i know) i have to convert them to .PNG first which would be very slow considering the number of images i have. Hence I was wondering whether it would be possible to create a image layer that would retrieve an image of a certain polygon at a certain zoom level. If so, could anyone point me to an example or give me an idea on whether this is possible. I am using spring 2.5, tomcat 5, java 1.6 and geoserver 2.0 Thanks.

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• SphinxSearch or a spider - which one to choose?

  - by r2b2

  Hello, here is my problem: We own SiteA and SiteB and they share the same server and database where we have full control. SiteC , siteD and siteE are some of the sites we own as well but reside on a different web hosts. The goal is to create a unified search functionality for all of the sites mentioned above. That is if somebody search for a term in SiteA, the search result will automatically come up with results from SiteB,SiteC,SiteD and Site E too. The search results should be shown under the website they were found in. All these websites content are stored in their own databases. If I use SphinxSearch to index the above sites,I would then require those sites that we dont have complete control with to setup a web service where i can download a database dump or csv file for indexing. Im not quite sure about how a sphider will come into play here so need your opinion. Sphinx or a spider? THanks!

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• Nested class or not nested class?

  - by eriks

  I have class A and list of A objects. A has a function f that should be executed every X seconds (for the first instance every 1 second, for the seconds instance every 5 seconds, etc.). I have a scheduler class that is responsible to execute the functions at the correct time. What i thought to do is to create a new class, ATime, that will hold ptr to A instance and the time A::f should be executed. The scheduler will hold a min priority queue of Atime. Do you think it is the correct implementation? Should ATime be a nested class of the scheduler?

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• Remote Backup User Data on iPhone

  - by Eric

  I wrote a few iPhone apps using Core Data for persistent storage. Everything is working great but I would like to add the ability for users to back up their data to a PC (via WiFi to a PC app) or to a web server. This is new to me and I can't seem to figure out where to begin researching the problem. I don't want to overcomplicate the issue if there is an easy way to implement this. Is anyone familiar enough with what I am looking to do to point me in the right direction or give me a high level overview of what I should be considering? The data is all text and would be perfectly stored in .csv files if that matters.

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• Graph theory in python

  - by Dan

  I was wondering how people deal with graph theory in python? How is a graph stored? Are there libraries for this? For example how would I input a graph and then find its Chromatic polynomial? Or its girth? Or the number of unique spanning trees? How about problems that involve edge weight like salesman problems? I don't need all of these answered, I'm just looking for a method or tool set that will be able to help me approach solve problems like this. Thanks, Dan

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• Objective-C runtime reflection (objc_msgSend): does it violate the iPhone Developer License Agreemen

  - by GamingHorror

  Does code like this (potentially) violate the iPhone Developer License Agreement? Class clazz = NSClassFromString(@"WNEntity"); id entity = [clazz entityWithImage:@"Icon.png"]; SEL setPositionSelector = NSSelectorFromString(@"setPosition:"); objc_msgSend(entity, setPositionSelector, CGPointMake(200, 100)); I'm working on code that dynamically allocates classes from XML and calls methods on them via objc_msgSend. It's just very convenient constructing my objects that way but it worries me because i have no idea whether this is ok or violates the License by dynamically executing code or maybe even calling private (?) API functions. They wouldn't be documented if they were private, right? Can someone shed some light on this? Have you had an App approved or rejected using code similar to the above? I'm pretty sure that this is ok but i wan't to hear it from someone else! :)

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• Using SAS Macro to pipe a list of filenames from a Windows directory

  - by Bazil

  I am trying to amend the macro below to accept a macro parameter as the 'location' argument for a dir command. However I cannot get it to resolve correctly due to the nested quotes issue. Using %str(%') does not work, neither do quoting functions for some reason. The macro will work fine when the filepath has no spaces (eg C:\temp\withnospace) as the middle quotes aren't needed. However I need this macro to work for filepaths with spaces (eg 'C:\temp\with space\'). Please help! %macro get_filenames(location) filename pipedir pipe "dir &location. /b " lrecl=32767; data filenames; infile pipedir truncover; input line $char1000.; run; %mend; %get_filenames(C:\temp\) /* works */ %get_filenames('C:\temp\with space') /* doesnt work */

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• SQL's Rownumber with Linq-to-entities

  - by mariki

  I am converting my project to use EF and also want to covert stored procedures into Linq-to-entities queries. This my SQL query (simple version) that I have trouble to convert: SELECT CategoryID, Title as CategoryTitle,Description, LastProductTitle,LastProductAddedDate FROM ( SELECT C.CategoryID, C.Title,C.Description, C.Section, P.Title as LastProductTitle, P.AddedDate as LastProductAddedDate, ROW_NUMBER() OVER (PARTITION BY P.CategoryID ORDER BY P.AddedDate DESC) AS Num FROM Categories C LEFT JOIN Products P ON P.CategoryID = C.CategoryID ) OuterSelect WHERE OuterSelect.Num = 1 In words: I want to return all Categories (from Categories table) and title and date of addition of the product (from Products table) that was added last to this category. How can I achieve this using Entity frame work query? In most efficient way.

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• Does anybody know of existing code to read a mork file (Thunderbird Address Book)?

  - by bruceatk

  I have the need to read the Thunderbird address book on the fly. It is stored in a file format called Mork. Not a pleasant file format to read. I found a 1999 article explaining the file format. I would love to know if someone already has gone through this process and could make the code available. I found mork.pl by Jamie Zawinski (he worked on Netscape Navigator), but I was hoping for a .NET solution. I'm hoping StackOverflow will come to the rescue, because this just seems like a waste of my time to write something to read this file format when it should be so simple. I love the comments that Jamie put in his perl script. Here is my favorite part: # Let me make it clear that McCusker is a complete barking lunatic. # This is just about the stupidest file format I've ever seen.

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• Replace text in Word Document via ASP.NET

  - by jreedinc

  How can I replace a string/word in a Word Document via ASP.NET? I just need to replace a couple words in the document, so I would like to stay AWAY from 3rd party plugins & interop. I would like to do this by opening the file and replacing the text. The following attempts were made: I created a StreamReader and Writer to read the file but I think that I am reading and writing in the wrong format. I think that Word Documents are stored in binary?? If word documents are binary, how would I read and write the file in binary? Dim template As String = Request.MapPath("documentName.doc") If File.Exists(template) Then Dim sr As New StreamReader(template) Dim content As String = sr.ReadToEnd() sr.Close() Dim sw As New StreamWriter(template) content = content.Replace("@ T O D A Y S D A T E", Date.Now.ToString("MM/dd/yyyy")) sw.Write(content) sw.Close() Else

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• Modal MessageBox for ASP.NET without jQuery

  - by Joe

  I have an assembly with custom ASP.NET server controls that is used in several, mostly in-house, ASP.NET 2.0 applications. The server controls use simple modal popup messageboxes, which are currently implemented using the javascript alert and confirm functions. I want to release a new version of this assembly that uses a better solution for messageboxes, including support for Yes/No buttons. The appearance would be something like a simplified version of the Ajax Control Toolkit ModalPopup extender (sample here). My constraints are that this should be as easy as possible to integrate into existing ASP.NET 2.0 applications without introducing new dependencies: ideally just drop in a new version of the assembly, that contains all the javascript it needs as an embedded resource, and possibly a CSS file. Because of this constraint, I am not considering solutions I've seen that use jquery, or the ASP.NET Ajax Control Toolkit, which appears to require adding elements to pages that use the extenders (ScriptManagers and the like). Any recommendations?

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• Supplementary Developer Laptop

  - by David Silva Smith

  I'm looking to buy a laptop with the following specs for a developer. The goal will be to have a development machine supplementing the devs desktop. During work hours the dev will be on a beefy desktop. For working while on the go: trains, client sites, code camps, it would be nice to have a machine which can run Visual Studio 2008 without needing to remote desktop into their primary machine. What do you think is the lowest cost laptop meeting this need? Here are the specs I have in mind: SSD drive 64GB-doesn't need to be huge, most data is stored on servers. Will need to fit Windows 7, IIS, SQL Server, and Visual Studio 2010. RAM-3GB processor =Pentium Core 2 duo Screen size = 14 inches. OS doesn't matter. It will be paved with Windows 7 Ultimate optical drive omitted would be a plus. weight and battery life aren't so important because the machine will be plugged in almost all the time.

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• django select max field from mysql when column is varchar

  - by doza

  Hi, Using Django 1.1, I am trying to select the maximum value from a varchar column (in MySQL.) The data stored in the column looks like: 9001 9002 9017 9624 10104 11823 (In reality, the numbers are much bigger than this.) This worked until the numbers incremented above 10000: Feedback.objects.filter(est__pk=est_id).aggregate(sid=Max('sid')) Now, that same line would return 9624 instead of 11823. I'm able to run a query directly in the DB that gives me what I need, but I can't figure out the best way to do this in Django. The query would be: select max(sid+0) from Feedback; Any help would be much appreciated. Thanks!

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• Browser Detection and Zend MVC

  - by Vincent

  I have a PHP application using Zend MVC framework. The entry point for every request to the application is in /public/index.php. I have a Browser class that has functions to check if the user's browser is compatible with application or not. My dilemma is, index.php is executed for every controller call. So there are chances that this file gets executed multiple times within the same page and hence redirection becomes an issue. What's the best way to solve the looping issue? Thanks

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• manipulate objects outside svg with javascript-function inside the svg

  - by Christian Benke

  Hello! I'm embedding a svg-graphic on my website and i'd like to manipulate the rest of the website with javascript-commands which are in the svg - though i'm not sure if this is possible. Let me elaborate: I've got a worldmap in svg, i want to click on a country and this click should run an ajax-call and load relevant information of this country into a div in the html site where the svg is embedded. "onclick="location.href='xxx'"" redirects to the respective site which is fine, but i'd prefer to run a js-function that fetches the site with ajax - but running a javascript-function in the svg only seems to work for functions and elements defined in the svg, not outside of it. Is it basically possible to manipulate anything outside the svg through a js-function in the svg? How? Regards Christian

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• Loose coupling of COM in C# or How to avoid COMException 0x80040154

  - by user283318

  I have a .Net 2 C# application I am developing which uses a VB 6 generated COM DLL. The VB DLL is updated frequently any my application crashes with a System.Runtime.InteropServices.COMException (0x80040154). The part of the COM DLL I use does not change but the version (and CLSID) will. The "Specific Version" option for the reference is false. The WrapperTool is tlbimp. How do I tell my application not to worry about changes in the DLL? Is there any way of checking just the functions I am using?

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• How can I use the SSRS ReportViewer from VS 2008 in a VS2010 project?

  - by Adrian Grigore

  Hi, I'm working on an ASP.NET MVC 2 / .NET 3.5 project which includes SSRS 2008 reports. After migrating to VS 2010 RC, the new web forms report viewer has been giving so much trouble that I'd like to use the old report viewer from VS 2008 again. Now I'm just wondering what would be the easiest way to do that. The report viewer is embedded in a Webforms ASPX file which is loaded in an IFrame by the the MVC view. Report parameters are currently stored as session variables, and for security reasons I would prefer not to change that for HTTP POST or GET parameters. So I can't just put the report viewer in a separate application and build that with VS2008. Moving the entire project back to VS 2008 is not an option. So, what's the easiest way for me to use the VS 2008 ReportViewer in VS 2010? Is there way to grab an assembly from VS 2008 and use that in my project? Thanks, Adrian

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• How to do this GQL query in JDO

  - by TheDon

  I have about 50k entities stored in appengine. I am able to look up an individual record via the GQL admin interface with a query like: SELECT * FROM Pet where __key__ = KEY( 'Pet','Fido') But I'm having trouble figuring out how to do a batch version of this via JDO. Right now I have this: PersistenceManager pm = ...; for(Pet pet : pets) { for(String k : getAllAliases(pet)) { keys.add(KeyFactory.createKeyString(Pet.class.getSimpleName(), k)); } } Query q = pm.newQuery("select from " + Pet.class.getName() + " where id == :keys"); List<Pet> petlist = (List<Pet>) q.execute(keys); But though 'Fido' works in the GQL case, it returns nothing when I use that Java + JDO code. What am I doing wrong?

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