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• Which comm ports exist? Win32

  - by myforwik

  On win32, using winapi, is there anyway to know which comports (from com0 upwards) actually exist as devices? At the moment I am just attemping to open them all (0 to 9), but I can't figure out the difference of failure between one not existing, and one not simply being available for use because someone else is using it. Both situations seem to return the same last error, so I was wondering if I could list all the comports available on the system.

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• Removing associated entity JPA

  - by Marcel

  Hi I have a question regarding JPA persistence in Glassfish. Situation: I have a Supplier class that has a 1:n bidirectional relation to SupplierAddress. I would like to have the following behaviour: If I remove the SupplierAddress object from the List in the Supplier object and update it via the merge(supplierobject), the SupplierAddress tupel/object should be deleted. Is there an annotation do configure it like this or do I have to delete it manually. Any help would be very appreciated. Greetings Marcel

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• DOM + need to remove element from XML bt VB script

  - by yael

  I have the following VB script , I want to remove the "NET ID" element from name list but after running the VB script the "NET ID" element still exist in the XML doc? Something wrong in the VB? Yael Set objXMLDoc = CreateObject("Microsoft.XMLDOM") objXMLDoc.async = False objXMLDoc.load("\dir\d.xml") Set objRoot = objXMLDoc.documentElement Set objExNode = objRoot.removeChild(objRoot.childNodes.item(0)) objRoot.appendChild(objExNode) the XML file:

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• DNN 5.0 Modules available for Free or less cost

  - by Harryboy

  I am just planning to work on CMS with some features like blog, forum, chat, broadcast, video, Document management, poll, dashboard, advertisement, alerts & reminder, events, task etc.. I am thinking of using DNN for development as i feel most of the modules are available so i just need to do the customization. Also suggest what all are the modules available in core DNN (Community version) is anybody is having list what all are the modules available for DNN 5.0 ? Please provide the link for the same.

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• How can I programatically add an item to this dialog?

  - by George Edison

  When I insert an SD card, Windows XP/Vista/7 presents a dialog asking the user what they want to do with the contents. How can I add an item to this list for only certain types of data? (Like photos, music, etc.)

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• How to instantiate a DirectoryEntry object with a domain?

  - by AngryHacker

  I have a list of System.DirectoryServices.ActiveDirectory.Domain objects gotten via this method. How do I know instantiate a DirectoryEntry object with this Domain object? The syntax seems to escape me.

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• Modelling class relations

  - by phenevo

  Hi, I have a few classes: Article ------- Content ID Magazine -------- Name Code And 3 tables in database: Articles Magazines ArticlesInMagazines (two fields: IDArticle and CodeMagazine) In my app, I've got a module to manage Articles, and a datagridview to relate their associated magazines DataGridView has twofields: MagazineCode IsPublished (indicates articles which have been published in this magazine). The same article can be in many magazines (1:n) How would you implement on model ? Article have to has a field : List ?? I am concerned because Magazine associates Articles

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• Asp.net's ObjectDataSource data bind event

  - by DJPB

  Hi there I'm Working on an Asp.net/C# application. I want to bind a list of objects to a grid view. I've been looking a while to the ObjectDataSource control and it loads data to my datagrid as soon as my page loads. Can I change this behaviour? For example, how can I set DataBinding only when a button on my page gets clicked? tks

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• F# Tacit Programming. Please help)

  - by Bubba88

  It's not a practically important issue, but could you please provide me with an example of tacit programming in F# where my `pointless' functions can have multiple arguments (not in form of list or tuple); And secondly, where those functions can manipulate a complex data structure. I'm trying to manage it in FSharp interactive, but have no success yet. Huh.. I've managed to construct something: (fun _ - (fun _ - (+))) 333 222 111 555 Is that right way?

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• Going international: tha language class or method in .net

  - by Nano HE

  Hi, I created a small WPF desktop application. I am thinking about how to make my application internationalized. Is there any Language Class to research (.NET 3.5 based)? I want to load the my application language from windows region/language configuration automatically. OR. some method to switch language from my application menu list.( no additional language package installation, assume the windowns system language packages support Chinese/English/Japanese/Korea already).

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• NHibernate - Stream large result sets?

  - by Dan Black

  Hi, I have to read in a large record set, process it, then write it out to a flat file. The large result set comes from a Stored Proc in SQL 2000. I currently have: var results = session.CreateSQLQuery("exec usp_SalesExtract").List(); I would like to be able to read the result set row by row, to reduce the memory foot print Thanks

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• How can I iterate over only the first variable of a tuple

  - by Peter Smit

  In python, when you have a list of tuples, you can iterate over them. For example when you have 3d points then: for x,y,z in points: pass # do something with x y or z What if you only want to use the first variable, or the first and the third. Is there any skipping symbol in python?

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• Help on Website response time KPI parameters

  - by geeth

  I am working on improving website performance. Here are the list of key performance indicators I am looking at for each page Total Bytes downloaded Number of requests DNS look up time FirstByte Download time DOM content load time Total load time Is there any optimum value for each KPI to indicate website performance? Please help me in this regard.

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• how to get single contact information in android

  - by ng93

  hi ive got an activity with a list of contacts, which when clicked opens another activity and tells it which row was clicked. How would i load only this contacts name phone email etc. into strings in the new activity? thanks ng93

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• IBM Informix using spatial datablade

  - by changed

  I need to use IBM Informix for my project where I have point coordinates and I need to find which points are present in query rectangular region. Informix has spatial datablade module with ST_POINT and ST_POLYGON data objects. I know how to create, insert and create r-tree index on tables with such objects. But problem is how to do a SELECT statement, something which list all the points in a particular rectangular region.

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• how to use the order by and aggregate function together in sql query

  - by Ranjana

  SELECT count(distinct req.requirementid), req.requirementid, org.organizationid,req. locationofposting,org.registereddate FROM OrganizationRegisteredDetails AS org, RequirementsDetailsforOrganization AS req WHERE org.organizationid =req.requirementid order by org.RegisteredDate desc this shows me the error : Column 'RequirementsDetailsforOrganization.RequirementID' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause. how to do the 'order by org.RegisteredDate desc' in this Query ....

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• VS2008 Pre-Build Event Command BuildAction=None

  - by Frederick

  Hi Guys, I am trying to add a prebuild even command line which essentially sets Build Action = None For a list of files before the solution is packaged up for release. How would I go about adding this & what command would I use to exclude a number of files in the web solution ? i.e. \script\some-script.js [Set Build Action = None] etc \script\some-script2.js [Set Build Action = None] etc ?

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• ListView with Groups and CheckBoxes shows correctly only when View set to Details

  - by volody

  Microsoft MSDN site has next remark: "Any groups assigned to a ListView control appear whenever the ListView.View property is set to a value other than View.List." My problem is that i like to have View set to SmallIcon In this mode ListView control is shifted left, and CheckBoxes are covered by left edge How to solve this issue, or at least how is possible to shift rendering of control to the right

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• Select base class in Entity Framework

  - by fishiefishie

  Suppose I have table Person table Employee, which inherits Person. I want to get a list of Person only. How do you get entity framework to do that without joining the Employee table?

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• Why ObservableCollection is not updated on items change?

  - by PaN1C_Showt1Me

  I noticed that ObservableCollection in WPF reflects changes in GUI only by adding or removing an item in the list, but not by editing it. That means that I have to write my custom class MyObservableCollection instead. What is the reason for this behaviour? Thanks

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• How to know which URL is accessed from IP address/Country in Google Analytics.

  - by coderex

  How to find-out which url is accessed from which IP address/Country using Google analytic. I found the country list and visit count. how do i know which URL visited from that country.

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• Tuple conversion to a string

  - by David542

  I have the following list: [('Steve Buscemi', 'Mr. Pink'), ('Chris Penn', 'Nice Guy Eddie'), ...] I need to convert it to a string in the following format: "(Steve Buscemi, Mr. Pink), (Chris Penn, Nice Guy Eddit), ..." I tried doing str = ', '.join(item for item in items) but run into the following error: TypeError: sequence item 0: expected string, tuple found How would I do the above formatting?

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• Clojure Box: Problem with classpath (noob question)

  - by Rainer

  Hello, I'm stuck with "Programming Clojure" on page 37 on a Windows 7 machine. After downloading the "examples" dir into "C:/clojure", I typed: user (require 'examples.introduction) and I got ; Evaluation aborted. java.io.FileNotFoundException: Could not locate examples/ introduction__init.class or examples/introduction.clj on classpath: (NO_SOURCE_FILE:0) My .emacs file looks like this: (setq swank-clojure-extra-classpaths (list "C:/Clojure")) The files in C:/Clojure are there (I triplechecked) Any help will be appreciated.

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• What is your technology stack for developing in C++?

  - by leeand00

  What is your technology stack for developing C++ applications? I'm trying to decide on one. So far this is what I have in my list: Boost Boost::Unit Testing googlemock log4cpp doxygen ant

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• Need To Display Some Categories

  - by mohammad-owais

  I want to Display Categories of Food like, vegetables, fruit etc. but not in list, is there any other way to display?

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