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• windows service

  - by zubin71

  I need to write a windows service which executes an application after a certain amount of time. I have checked out the code in MSDN and found an example in which the System.ServiceProcess.ServiceBase class is sub-classed. I did the following. created a new C# console application copied the code from the MSDN example Run I get the following error The type or namespace name 'ServiceProcess' does not exist in the namespace 'System'(are you missing an assembly reference?) As i had copied the example from MSDN, i have no idea why the code still does not work. This is my first experience writing services and i`d love some guidance. thnkx!

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• java and mysql geting shortest path from to two points

  - by shaharnakash

  hi i have a mysql database that hold id ,name , oneid , twoid , size 1 1 1 2 4 2 2 1 3 1 3 3 2 1 74 4 4 2 4 2 5 5 2 5 12 6 6 4 2 12 7 7 4 6 74 8 8 4 7 12 9 9 3 5 32 10 10 3 8 22 11 11 5 3 66 12 12 5 6 76 13 13 5 9 33 14 14 6 10 11 15 15 6 7 21 16 16 8 3 12 17 17 8 9 10 18 18 9 8 2 19 19 9 10 72 20 20 10 6 31 21 21 10 7 7 22 22 10 9 18 23 23 7 6 8 i want to do Dijkstra algorithm but i cant get the details right if i got the contents to class Conn id ,name , oneid , twoid , size how do i find the path from oneid 1 to twoid 7 and believe me i triad many Dijkstra algorithms so please dont give me only reference

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• Subversion 1.7.x and expat location in configure

  - by ditto

  I am running CentOS 6.3 64bit and DirectAdmin control panel. Currently I have installed Apache Subversion 1.6.19 without any problems. I have installed expat and expat-devel and neon-devel using yum. When installing Apache Subversion 1.6.19 this configure command works fine: ./configure --prefix=/usr --with-ssl --with-apxs=/usr/sbin/apxs --with-apr=/usr/bin/apr-config However when installing Apache Subversion 1.7.7 using the same configure command as above, I get this error after doing commmand "make": /etc/httpd/lib/libaprutil-1.so: undefined reference to `XML_StopParser' collect2: ld returned 1 exit status make: *** [subversion/svnadmin/svnadmin] Error 1 However I found out I can solve that problem by adding this into the configure command: --with-expat=includes:lib_search_dirs:libs So it then looks like this: ./configure --prefix=/usr --with-ssl --with-expat=includes:lib_search_dirs:libs --with-apxs=/usr/sbin/apxs --with-apr=/usr/bin/apr-config However that configure command then give this warning: configure: WARNING: Expat found amongst libraries used by APR-Util, but Subversion libraries might be needlessly linked against additional unused libraries. It can be avoided by specifying exact location of Expat in argument of --with-expat option. So I want to solve that. I have experimentet alot, but not been able to figure out how to "specifying exact location of Expat" in configure command, and how to find out what the location should be? However after a lot of searching I found this: http://subversion.tigris.org/issues/show_bug.cgi?id=3997 - that is a FreeBSD user saying this: Building Subversion 1.7.x on FreeBSD currently requires a configure flag: --with-expat=/usr/local/include:/usr/local/lib:expat As that is the default location of expat on that platform, it would be nice if configure detected it automatically. However I am not using FreeBSD, I am running CentOS 6.3 64bit. Also remember I said I have installed expat and expat-devel and neon-devel using yum. However I tried to use the expat/command path posted by the FreeBSD user, and it seems to work, it does not give errors when running configure command, and does not give errors when running "make". This is what I used then: ./configure --prefix=/usr --with-ssl --with-expat=/usr/local/include:/usr/local/lib:expat --with-apxs=/usr/sbin/apxs --with-apr=/usr/bin/apr-config But this server is a production server, and therfor I need your help to advice if this is also correct to run on a CentOS server? Is the following path in expat command correct on CentOS?: --with-expat=/usr/local/include:/usr/local/lib:expat If not, please advice what it should be changed to. Thanks in advance for any confirmation or help on this!

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• Git: How to find all commits in branch A that originated in derived branch B merged back into A?

  - by Michael Ludwig

  In Git, given (1) a branch A and (2) a branch B derived from A at some point in the past and then merged back into A, how can I find all the commits now in A that originated in B? The intent is to identify the changeset of work performed in B now in A to more quickly track down issues. A squash commit would obviously and conveniently pack the entire changeset in one commit for easy reference, but the drawbacks (such as loss of information and individual attributability) make this option undesirable for us. Hence my question.

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• How do I retrieve readonly values when using a DetailsView control to update a record?

  - by lincolnk

  I'm using a detailsview control to update a record, however in this particular case there's only one field that can be changed out of a many. The update method for my object takes all fields as parameters. When the detailsview's updating method fires, the values for the readonly fields (those rendered as a Label) are not available in the e.NewValues collection. I'm currently grabbing a reference to the object when the detailsview is databound (in the objectdatasource selected event handler), storing it in session and manually adding entries to the e.NewValues collection when updating fires. It works but seems kind of heavy handed. So, is there a better way to get the read only values back into my update method? Or is there a better way of doing this altogether?

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• How to obtain specific Excel object library without the corresponding Office version installed.

  - by james-h-l

  I am developing a Excel automation app that read and write to Excel spreadsheet. I have Office 2007 installed on my machine. I therefore can reference the Excel 12.0 Object Library and the Excel 5.0 Object Library. I don't want to use Excel 5.0 because it's really quite old and poorly documented. Therefore I'm referencing Excel 12.0. However the target machine have Office 2003 installed and therefore only have Excel 11.0. So when I compile my program it crashes on the target machine since the referenced library are different. I was wondering is there a way I could obtain the Excel 11.0 without installing Office 03? I tried to find answers from msdn and microsoft support page but couldn't find anything? This is quite strange since it could also happen in the future where developers has newer editions of Office than clients?

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• Shallow Copy in Java

  - by Vilius

  Hello there! I already know, what a shallow copy is, but I'm not able to impliment it. Here's a short example. public class Shallow { String name; int number; public Shallow (String name, int number) { this.name = name; this.number = number; } } Test the implementation ... public class ShallowTest { public static void main (String[] args) { Shallow shallow = new Shallow("Shallow", 123); Shallow shallowClone = new Shallow(shallow); shallowClone.name = 'Peter'; shallowClone.number = 321; System.out.println(shallow.name + " - " + shallow.number); } } As I purpose, just the reference of the non primitive datatype String would be copied, so that by calling "shallowClone.name = 'Peter';" I would also change the name of "shallow". Am I right? But somehow, it just does not want to work ....

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• How can i see if dealloc is being called on a uikit object, or any object not created by myself

  - by Gyozo Kudor

  I think i have an UIImage that has a higher retain count than it should have and i am probably leaking memory. I use this image as a thumbnail, to set a custom background to a uibutton. So the uibutton is holding a reference to it and so do i. But instead of 2, the retainCount is 3. Do i have to create a custom UIImage derived class and override dealloc if I want to place a log message there and then change the class used from UIImage to my class, or is there an easier way. Thanks in advance.

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• WCF: generic list serialized to array

  - by OpticalDelusion

  So I am working with WCF and my services return types that contain generic lists. WCF is currently converting these to arrays over the wire. Is there a way I configure WCF to convert them back to lists afterwards? I know there is a way by clicking advanced when you add a service reference but I am looking for a solution in configuration files or something similar. [DataContract(IsReference = true)] public class SampleObject { [DataMember] public long ID { get; private set; } [DataMember] public ICollection<AnotherObject> Objects { get; set; } } It is very odd, also, because one service returns it as a list and the other as an array and I am pretty sure they are configured identically.

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• How to use or get working: Reporting services report viewer component in VS.NET

  - by Mike

  I am trying to write a simple web app (C# or VB.NET) to display a set of reports/subreports, but I can't seem to get access to the ReportViewer control. I am using VS.NET express (2005 and 2010) and I know I need the reportviewer pluglin. but I have installed it but I can't seem to get it to appear in the toolbox. I have tried to add a reference but VS does not like the DLL :P Please guide me through a walk through! Thanks. M

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• Download and write .tar.gz files without corruption.

  - by arbales

  I've tried numerous ways of downloading files, specifically .zip and .tar.gz, with Ruby and write them to the disk. I've found that the file appears to be the same as the reference (in size), but the archives refuse to extract. What I'm attempting now is: Thanks! def download_request(url, filePath:path, progressIndicator:progressBar) file = File.open(path, "w+") begin Net::HTTP.get_response URI.parse(url) do |response| if response['Location']!=nil puts 'Direct to: ' + response['Location'] return download_request(response['Location'], filePath:path, progressIndicator:progressBar) end # some stuff response.read_body do |segment| file.write(segment) # some progress stuff. end end ensure file.close end end download_request("http://github.com/jashkenas/coffee-script/tarball/master", filePath:"tarball.tar.gz", progressIndicator:nil)

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• R- delete rows in multiple columns by unique number

  - by Vincent Moriarty

  Given data like this C1<-c(3,-999.000,4,4,5) C2<-c(3,7,3,4,5) C3<-c(5,4,3,6,-999.000) DF<-data.frame(ID=c("A","B","C","D","E"),C1=C1,C2=C2,C3=C3) How do I go about removing the -999.000 data in all of the columns I know this works per column DF2<-DF[!(DF$C1==-999.000 | DF$C2==-999.000 | DF$C3==-999.000),] But I'd like to avoid referencing each column. I am thinking there is an easy way to reference all of the columns in a particular data frame aka: DF3<-DF[!(DF[,]==-999.000),] or DF3<-DF[!(DF[,(2:4)]==-999.000),] but obviously these do not work And out of curiosity, bonus points if you can me why I need that last comma before the ending square bracket as in: ==-999.000),]

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• MVC (model-view-controller) - can it be explained in simple terms?

  - by DVK

  I need to explain to a not-very-technical manager the MVC (model-view-controller) concept and ran into trouble. The problem is that the explanation needs to be on a "your grandma will get it" level - e.g. even the fairly straightforward explanation offered on MVC Wiki page didn't work, at least with my commentary. Does anyone have a reference to a good MVC explanation in simple terms? It would ideally be done with non-techie metaphor examples (e.g. similar to "Decorator pattern is like glasses") - one reason I failed was that all MVC examples I could come up with were development related. I once saw a list of pattern explanations but to the best of my memory MVC was not on it. Thanks!

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• Windows Identity Foundation - Local STS on Windows Azure.

  - by joe

  Hello, I am trying to use Federated authentication on Azure. I found a example of having a local sts outside azure which is used for authentication from a web role hosted in azure. This works perfectly. My issue is, i dont want to have an application outside azure. Instead, I want to host the local sts website also in azure. So in effect I will have two web roles (1. my actual website, 2. the sts). I tried the above approach my creating a new webrole and moving the files from my original sts project. But i am getting compilation errors even if I reference the required dlls. I have also set "copy local" to true. It will be very helpful if somebody can guide me.. Thanks

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• J2ME app to access incoming call - Where to start?

  - by Jay

  Here's my requirement: I often receive calls from unidentified numbers on my mobile phones. I would like an application which would use a reference list like this, and show me the carrier name and the area of origin along with the number on screen. Mobile make : Sony Ericsson Model : C902 Operating System: Propreitary J2ME: MIDP 2.0 Here are my questions: Is it possible to do something like this? I have installed a lot of java apps on my mobile, and all of them have to be launched seperately, can be run in the background, but they never seem to access anything native. If it is possible, which area of J2Me should I start with, for creating an application that achieves the above requirement? If it is not possbile, what are my alternatives?

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• Python grab class in class definition.

  - by epochwolf

  I don't even know how to explain this, so here is the code I'm trying. class Test: type = self.__name__ #self doesn't work, how do I get a reference to Test? class Test2(Test): pass #Test2.type should return "Test2" The reason I'm even trying this is I'm working on creating a base class for an orm I'm using. I want to avoid defining the table name for every model I have. Also knowing what the limits of python is will help me avoid wasting time trying impossible things.

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• SqlServer2008 + expensive union all

  - by Tim Mahy

  Hi al, we have 5 tables over which we should query with user search input throughout a stored procedure. We do a union all of the similar data inside a view. Because of this the view can not be materialized. We are not able to change these 5 tables drastically (like creating a 6th table that contains the similar data of the 5 tables and reference that new one from the 5 tables). The query is rather expensive / slow what are our other options? It's allowed to think outside the box. Unfortunately I cannot give more information like the table/view/SP definition because of customer confidentiality... greetings, Tim

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• Checking online users with Facebook Javascript SDK

  - by Roman

  Hi, I'm trying to build some kind of a social game in facebook, where I need that every user that has approved my APP is able to receive notifications from me. When the user approves my App, I save his UID in the DB for future reference. At some later time, I want to make it possible for other users find partners for a game - so I need a way to pick randomly some user from my DB and check if he's online. Then, send him a message and propose to play with the current player. So 2 questions: How can I check if some user is online, using Javascript SDK? It seems that in the new Graph API I can't get the users' online status. How can I then send him a message and propose to play the game? When he approves to play - he is being forwarded to the game page. Many thanks in advance, Roman

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• How can I create numbered map markers in Google Maps V3?

  - by kaneuniversal

  I'm working on a map that has multiple markers on it. These markers use a custom icon, but I'd also like to add numbers on top. I've seen how this has been accomplished using older versions of the API. How can I do this in V3? *Note -- the "title" attribute creates a tooltip when you mouseover the marker, but I want something that will be layered on top of the custom image even when you're not hovering on top of it. Here's the documentation for the marker class, and none of these attributes seem to help: http://code.google.com/apis/maps/documentation/v3/reference.html#MarkerOptions Thank you . . . . Michael

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• ActionScript/Flex: Augment MouseEvents with extra information

  - by David Wolever

  I've got a business class, Spam and the corresponding view class, SpamView. How can I augment MouseEvents coming out of SpamView so the MouseEvents which come out of it contain a reference to the instance of Spam which the SpamView is displaying? Here's how I'd like to use it: class ViewContainer { ... for each (spam in spams) { addChild(new SpamView(spam)); ... function handleMouseMove(event:MouseEvent) { if (event is SpamViewMouseEvent) trace("The mouse is being moved over spam:", spam) } } Thanks! Things I've considered which don't work: Adding event listeners to each SpamView: the book keeping (making sure that they are added/removed properly) is a pain. Using event.target: the event's target may be a child of the SpamView (which isn't very useful) Listening for a MouseEvent, creating a new SpamViewMouseEvent, copying all the fields over, then dispatching that: copying all the fields manually is also a pain.

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• Creating a C# webservice client having SoapParameterStyle as Bare as opposed to wrapped

  - by Pratik Bhatt

  I am trying to create a Soap Web Service Client using the Visual C# 2008 Express IDE. I Do that by Right-Clicking Project Name-Add service Reference. Everything is working out fine, and the client is being generated as follows [System.Web.Services.Protocols.SoapDocumentMethodAttribute("operationInfo", RequestElementName="mainInfoTag", RequestNamespace="http://www.example.com/test", ResponseElementName="Answer", ResponseNamespace="http://www.example.com/test", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)] [return: System.Xml.Serialization.XmlElementAttribute("somenewID")] public string storeWarrantyInformation(tagBelowMainInfoTag tag, out string somenewID, out string someotherID) As you can see, the method is marked with SoapParameterStyle.Wrapped, what this is does is that it does not create a class corresponding "mainInfoTag". The Questions I have is what determines the Client SoapParameterStyle in the proxy class. I would like to get SoapParamterStyle as Bare, so that I have access to the root XML element. Is there some setting I can specify in the IDE or through 'wsdl.exe' to make this happen.

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• Rails with DB2 and multiple schemas

  - by GNUMatrix

  I have a 'legacy' DB2 database that has many other applications and users. Trying to experiment with a rails app. Got everything working great with the ibm_db driver. Problem is that I have some tables like schema1.products, schema1.sales and other tables like schema2.employees and schema2.payroll. In the ibm_db adapter connection, I specify a schema, like schema1 or schema2, and I can work within that one schema, but I need to be able to easily (and transparently) reference both schemas basically interchangeably. I don't want to break the other apps, and the SQL I would normally write against DB2 doesn't have any of these restrictions (schemas can be mixed in SQL against DB2 without any trouble at all). I would like to just specify table names as "schema1.products" for example and be done with it, but that doesn't seem to jive with the "rails way" of going about it. Suggestions?

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• AbsoluteTime with numeric argument behaves strangely.

  - by dreeves

  This is strange: DateList@AbsoluteTime[596523] returns {2078, 7, 2, 2, 42, 9.7849} But DateList@AbsoluteTime[596524] returns {1942, 5, 26, 20, 28, 39.5596} The question: What's going on? Note that AbsoluteTime with a numeric argument is undocumented. (I think I now know what it's doing but figured this is useful to have as a StackOverflow question for future reference; and I'm curious if there's some reason for that magic 596523 number.) PS: I encountered this when writing these utility functions for converting to and from unix time in Mathematica: (* Using Unix time (an integer) instead of Mathematica's AbsoluteTime... *) tm[x___] := AbsoluteTime[x] (* tm is an alias for AbsoluteTime. *) uepoch = tm[{1970}, TimeZone->0]; (* unixtm works analogously to tm. *) unixtm[x___] := Round[tm[x]-uepoch] (* tm & unixtm convert between unix & *) unixtm[x_?NumericQ] := Round[x-uepoch] (* mma epoch time when given numeric *) tm[t_?NumericQ] := t+uepoch (* args. Ie, they're inverses. *)

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• Parse a json(?) string using php

  - by passatgt

  I have a string, more specifically, this one: a:16:{s:9:"pseudonym";O:16:"SimpleXMLElement":0:{}s:14:"parallel_title";O:16:"SimpleXMLElement":0:{}s:9:"title_var";O:16:"SimpleXMLElement":0:{}s:6:"series";O:16:"SimpleXMLElement":0:{}s:9:"vol_title";O:16:"SimpleXMLElement":0:{}s:9:"reference";O:16:"SimpleXMLElement":0:{}s:10:"bound_with";O:16:"SimpleXMLElement":0:{}s:15:"general_remarks";O:16:"SimpleXMLElement":0:{}s:6:"copies";O:16:"SimpleXMLElement":1:{i:0;s:1:"1";}s:11:"remarks_BPH";O:16:"SimpleXMLElement":0:{}s:3:"ICN";O:16:"SimpleXMLElement":1:{i:0;s:4:"neen";}s:10:"provenance";O:16:"SimpleXMLElement":0:{}s:7:"binding";O:16:"SimpleXMLElement":0:{}s:10:"size_hxwxd";O:16:"SimpleXMLElement":0:{}s:6:"BookID";O:16:"SimpleXMLElement":1:{i:0;s:4:"6271";}s:5:"repro";O:16:"SimpleXMLElement":0:{}} Is it possible to parse this string somehow? I need to display the keys and values in a list. I tried to use json_decode but it not returns anything, even with the second true parameter(json_decode($string,true))

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• Problem showing selected value of combobox when it is bind to a List<T> using Linq to Entities

  - by Syed Mustehsan Ikram

  I have a combobox which is has itemtemplate applied on it and is bind to a List of entity return using linq. i m using mvvm. It is bind to it successfully but when i set the selected value of it from code at runtime to show the selected value coming from db it doesn't select it. For reference here is my combobox xaml. SelectedValue="{Binding Path=SelectedManufacturer}" Grid.Column="3" Grid.Row="2" Margin="20,9.25,68,7.75" ItemTemplate="{StaticResource ManufacturerDataTemplate}" TabIndex="6"/ Here is my part from code behind from viewModel. List currentManufacturers = new List(); tblManufacturer selectedManufacturer = null; public List CurrentManufacturers { get { return currentManufacturers; } set { currentManufacturers = value; NotifyPropertyChanged("CurrentManufacturers"); } } public tblManufacturer SelectedManufacturer { get { return selectedManufacturer; } set { selectedManufacturer = currentManufacturers.Where(mm => mm.ManufacturerID == Convert.ToInt32(selectedDevice.tblManufacturer.EntityKey.EntityKeyValues[0].Value)).First(); NotifyPropertyChanged("SelectedManufacturer"); } }

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