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• Is N-Tier Architecture only the physical seperation of code or there is something more to it?

  - by Starx

  Is N-Tier Architecture only the physical separation of code or there is something more to it? What sorts of coding do we put in Presentation Layer, Application Layer, Business Logic Layer, User Interface Logic, Data Access Layer, Data Access Object,? Can all the layers mentioned above give a fully functional N-tier architecture? For example: Whenever a user clicks a button to load a content via AJAX, they we do coding to fetch a particular HTML output and then update the element, so does this JavaScript coding also lie on a different tier? Because If N-tier Architecture is really about physical separation of code, than i think Its better to separate the JavaScript coding also.

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• Regular expression to truncate a String

  - by user470184

  To truncate a String here is what I'm using : String test1 = "this is test truncation 1.pdf"; String p1 = test1.substring(0, 10) + "..."; System.out.println(p1); The output is 'this is te...' How can I access the file name extension so that output becomes : 'this is te... pdf' I could use substring method to access the last three characters but other file extensions could be 4 chars in length such as .aspx Is there a regular expression I can use so that "this is test truncation 1.pdf" becomes "this is te... pdf"

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• How to use rvm (ruby version manager) with root account?

  - by Jade

  The whole point of rvm is to be able to install multiple rubies and access them from a user account. What do you do when you need to access any of those rubies from root? Or use gems installed in one of those rvms? Is there an elegant (or even hackish) way to use these I haven't considered? My guess is that I should just add it to my PATH, but I'm curious if anyone has come up with a better idea. I'd rather not install rvm just for the root account and duplicate everything.

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• What is the best strategy for a streaming screen capture application ?

  - by The_AlienCoder

  Ok Ive figured out how to do a screen capture of my desktop using Windows Media Encoder 9 + SDK and saving it as a movie on my hardrive. But now I want to take my project further and stream a realtime screen capture of my desktop . The idea is that users accessing my asp.net website will be able to view whatever Im doing on my desktop in real time via the video streaming from my computer. I really dont need the source code just the best strategy, procedure and server requirements.How will users access the streaming video on my website? Will it work on my godaddy shared hosting account or at what point will I need an upgrade? Will I be saving the stream to a file on the server for users to access or is there a way to stream directly ? I just need someone to point me in the right direction...

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• Post to wall as Facebook App (not as a user)?

  - by Sebastian

  I need to obtain an access_token as an App, not as an admin or user. This is so that I can post/comment/like in a the style of "[ app name ] has commented on your post". The problem is that when I attempt to get an access token (which I do successfully), I'm getting one that is for me (the admin) because I'm logged in when I attempt to call: https://graph.facebook.com/oauth/authorize?client_id=[app id]&redirect_uri=[url]&scope=publish_stream,offline_access&type=user_agent&display=popup What is the process for getting an non-expiring access token AS an app, rather than an admin? Thanks in advance

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• User.Identity.Name returning NT AUTHORITY\NETWORK SERVICE i want Domain\USER

  - by Jalvemo

  in my asp.net MVC project i have an database connection with connectionstring: Data Source=.;Initial Catalog=dbname;Integrated Security=True All users can execute Stored Procedures on that connection and i want to log those users. so after each execution I store "User.Identity.Name" to another database. This work great on my development machine but after deployment, to access the site i have to go through a VPN-connention and then remote desktop to the same server that the IIS is running on and use a web-browser there. Then i get User.Identity.Name: "NT AUTHORITY\NETWORK SERVICE". i would expect it to be the credentials i entered in remote desktop that have access to the database. any idea how i can get this to work? iis6 authentication: "windows authentication: enabled" web.config:

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• Accessing facebook sdk result Object using .NET 3.5 API?

  - by John K

  Consider the following in .NET 3.5 (using the Bin\Net35\Facebook*.dll assemblies): using Facebook; var app = new FacebookApp(); var result = app.Get("me"); // want to access result properties with no dynamic ... in the absence of the C# 4.0 dynamic keyword this provides only generic object members. How best should I access the facebook properties of this result object? Are there helper or utility methods or stronger types in the facebook C# SDK, or should I use standard .NET reflection techniques?

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• Query useing two databases in SQL Report Builder

  - by user912447

  I am new to SQL Server Report Builder 2.0 and I need to compare two different databases in one query. Basically I need to check if values from one database table exist in a different database's table. I know I can add multiple Datasources to my report and access each one with Subreports, but each DataSet that I create can only have one query in it. So how can I go about using one query to access two databases? Or if there is another way to somehow join my results from multiple DataSets, that would work too. Also, the databases are on the same server.

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• Online compilers/runtime for Java, C++, Python and ObjC?

  - by Nocturne

  Does anyone know of a good online compiler/runtime (for C++, Java, Python, ObjC etc.) that I can access on the web? What I'm looking for is something that would allow me to type in a program in a web form and to run the program and see the results online. (Let's not get into the why for now. Suffice it to say for the moment that I don't always have access to a compiler/runtime, and firing up an IDE is just overkill for testing out some code snippets) I know of codepad.org -- but I'm looking for something better.

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• PrintingPermissionLevel, SafePrinting, and restrictions

  - by Steve Cooper

  There is a PrintingPermission attribute in the framework which takes a PrintingPermissionLevel enumeration with one of these values; NoPrinting: Prevents access to printers. NoPrinting is a subset of SafePrinting. SafePrinting: Provides printing only from a restricted dialog box. SafePrinting is a subset of DefaultPrinting. DefaultPrinting: Provides printing programmatically to the default printer, along with safe printing through semirestricted dialog box. DefaultPrinting is a subset of AllPrinting. AllPrinting: Provides full access to all printers. The documentation is really sparse, and I wondered if anyone can tell me more about the SafePrinting option. What does the documentation mean when it says "Provides printing only from a restricted dialog box." I have no idea what this means. Can anyone shed any light? This subject is touched in the MS certification 70-505: TS: Microsoft .NET Framework 3.5, Windows Forms Application Development and so I'm keen to find out more.

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• How to select the previous element of a given class

  - by JCN

  I have an UL list : <ul> <li data-sel='foo'></li> <li></li> <li data-sel='foo'></li> <li class='selected'></li> <li data-sel='foo'></li> </ul> I can access the first previous element of li.selected who do not have attribute data-sel=foo by using :not selector var element = $('.selected').prev("li:not([data-sel='foo'])"); But how can i access the first previous element of li.selected who have attribute data-sel=foo ?

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• Separating data from the UI code with Linq to SQL entities

  - by Sir Psycho

  If it's important to keep data access 'away' from business and presentation layers, what alternatives or approaches can I take so that my LINQ to SQL entities can stay in the data access layer? So far I seem to be simply duplicating the classes produced by sqlmetal, and passing those object around instead simply to keep the two layers appart. For example, I have a table in my DB called Books. If a user is creating a new book via the UI, the Book class generated by sqlmetal seems like a perfect fit although I'm tightly coupling my design by doing so.

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• How to remove thie ".svc" extension in RESTful WCF service?

  - by Morgan Cheng

  In my knowledge, the RESTful WCF still has ".svc" in its URL. For example, if the service interface is like [OperationContract] [WebGet(UriTemplate = "/Value/{value}")] string GetDataStr(string value); The access URI is like "http://machinename/Service.svc/Value/2". In my understanding, part of REST advantage is that it can hide the implementation details. A RESTful URI like "http://machinename/Service/value/2" can be implemented by any RESTful framework, but a "http://machinename/Service.svc/value/2" exposes its implementation is WCF. How can I remove this ".svc" host in the access URI?

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• In cygwin, why is there a lingering file filename.zip in a directory after running rm filename.zip?

  - by jonderry

  In cygwin in windows vista, I tried to remove a few zip files I created from the command line in cygwin. The rm finished without complaining, but there remains entries for these zip files in the directory, that cannot be opened or deleted, either in cygwin or vista. For example, ls -l shows the following after performing the rm: $ ls -l ls: cannot access submission.zip: No such file or directory ls: cannot access otherfile.zip: No such file or directory total 36 ??????????? ? ? ? ? ? submission.zip -rwx------ 1 username None 68 May 4 13:36 makefile ??????????? ? ? ? ? ? otherfile.zip ... What's causing this, and how can I fix it?

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• Accessing Workflow History List

  - by spt.geek

  Is there an easy way to access History list, than to type URL?

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• Is there a way to use a dictionary or xml in the Application Settings?

  - by Shimmy

  I have to store a complex type in the application settings. I thought that storing it as XML would work best. The problem is I don't know how store XML. I prefer to store it as a managed XML rather than using just a string of raw XML having to parse it on each access. I managed to set the Type column of the setting to XDocument, but I was unable to set its value. Is there a way to use XDocument or XML in application settings? Update I found a way, simply by editing the .settings file with the xml editor. I changed it to a custom serializable dictionary, but I get the following error when I try to access the setting-property (I set it to a serialized representation of the default value). The property 'Setting' could not be created from it's default value. Error message: There is an error in XML document (1, 41). Any ideas will be appreciated.

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• Java: Looking for hack to deal with Windows file paths in Linux

  - by Chase Seibert

  Say you have a large legacy ColdFusion on top of Java on Windows application. File access is done both via java.io.File and by CFFILE (which in turn also uses java.io.File), but not centralised in any way into a single file access library. Further, say you have file paths both hard-coded in the code, and also in a database. In other words, assume the file paths themselves cannot change. They could be either local or remote Windows file paths: c:\temp\file.txt \\server\share\file.txt Is there a way to run this application on Linux with minimal code changes? I'm looking for creative solutions that do not involve touching the legacy code. Some ideas: Run it on WINE. This actually works, because WINE will translate the local paths, and has a samba client for the remote paths. Is there a way to override java.io.File to perform the file path translation with custom code? In this case, I would translate the remote paths to a mount point.

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• Pass a parameter from one jsp to another using form.action

  - by Ntz

  I have an ID that I need in the next jsp once the user click a button. I am trying to do the following: FirstJSP.jsp: function getSecond() { var frm = document.getElementById("frm"); frm.action = "**second.jsp?id=myId;"** frm.submit(); } ... form id="frm" ..... input type="button" value="Next" onclick="getSecond()"/ ...... This code takes me to my second page, but if I tried to access the id, it gives me an error since the id is null. I access the id in the second page by: final Long passedId = Long.parseLong(request.getParameter("id")); I think I am not passing the parameter correctly, but I don't know how to do it. Any ideas? Thank you so much!

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• Adding a Jar to ext and using it in Eclipse

  - by Bob Breznak

  I am providing a client with a lab station image for a school program. There is a library that I'd like to directly add to the JRE so that students can use the library without needing to fiddle with adding the classpath. As this is a basic after school program, the goal is to just get students into programming with as little overhead additions as possible. At this point, I have the lib put into the jre/lib/ext and Eclipse is able to find it, however it will not allow access to any of the classes. I see it in the JRE System Library and the classes and packages are showing up there but when I go to use it, I am getting an "Access restriction" error. When I remove the JRE System Library then add it back in, everything works swimmingly. The library is accessible exactly as intended. Any ideas on how to resolve this?

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• Is there an equivalent to C++'s "friend class" in Java?

  - by Ricket

  In C++ there is a concept of a "friend", which has access to a class's private variables and functions. So if you have: class Foo { friend class Bar; private: int x; } then any instance of the class Bar can modify any Foo instance's x member, despite it being private, because Bar is a friend of Foo. Now I have a situation in Java where this functionality would come in handy. There are three classes: Database, Modifier, Viewer. The Database is just a collection of variables (like a struct). Modifier should be "friends" with Database; that is, it should be able to read and write its variables directly. But Viewer should only be able to read Database's variables. How is this best implemented? Is there a good way to enforce Viewer's read-only access of Database?

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• PHP and Java interoperablity

  - by Jack

  I am working on windows using tomcat 6 and PHP/Java Bridge. I know how to access a Java file from PHP but how do we do it the other way i.e accessing PHP from Java <?php require_once("java\Java.inc"); $systemInfo = new Java("java.lang.System"); print "Total seconds since January 1, 1970: ".$systemInfo->currentTimeMillis(); ?> Also how do I access Java classes that are created by me. Do I write a CLASSPATH env variable or change the php.ini config file?

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• C# and Excel best practices

  - by rlp

  I am doing a lot of MS Excel interop i C# (Visual Studio 2012) using Microsoft.Office.Interop.Excel. It requires a lot of tiresome manual code to include Excel formulas, doing formatting of text and numbers, and making graphs. I would like it very much if any of you have some input on how I do the task better. I have been looking at Visual Studio Tools for Office, but I am uncertain on its functions. I get it is required to make Excel add-ins, but does it help doing Excel automation? I have desperately been trying to find information on working with Excel in Visual Studio 2012 using C#. I did found some good but short tutorials. However I really would like a book an the subject to learn the field more in depth regarding functionality and best practices. Searching Amazon with my limited knowlegde only gives me book on VSTO using older versions of Visual Studio. I would not like to use VBA. My applications use Excel mainly for visualizing compiled from different sources. I also to data processing where Excel is not required. Futhermore, I can write C# but not VB.

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• Examples of iphone developer programs

  - by yakub_moriss

  Hi,All I want to know the validity of the Enterprise iPhone developer program. is it also one year only ? And tell me the examples of both the iPhone development programs. 1)Standard Program and 2)Enterprise Program ==is Enterprise program == Intranet App -using which we can provide limited access within the company employees ==and Standard program == Internet App -using which we can provide the access to all iphone users worldwide using iTunes. am i correct or not ? please correct me if i am wrong... Thanking you...

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• calling normal java class from servlet

  - by Mohammed_Q

  Hello Every time im trying to access a normal java class from servlet (from other project) it gives me classNotFound exception, any idea how to fix this problem thanks in advance

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• list all functions on CRAN

  - by baptiste

  Suppose I'm trying to run a script of unknown origin, and one of the functions is from a package that is not loaded by the script (an oversight, maybe it was loaded in the .Rprofile of the person who wrote it). How can I find in which package this function resides? There's some information compiled on CRAN, that doesn't require the user to download/install all R packages locally; however as far as I could tell it only gives access to the DESCRIPTION files. RSiteSearch, and its web equivalent, seem to access an online database of all CRAN packages, where presumably a list of all functions would be available. Is there some way of accessing this information? Thanks. Edit: I know sos::findFn, utils::RSiteSearch and search.r-project; what I would like is to get the raw data that these tools use.

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