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• Database permissions and ORMs

  - by Jonn

  I've been using .NET's Entity Framework a lot lately and have absolutely no wish to go back to using Stored Procedures. Been shocked though that the company I'm building this project for had a policy where applications were only given accounts that only had permissions to access stored procedures! Apparently, they believe that there's a security risk involved in allowing applications to access the tables/views directly. I don't get this. My first question is, can someone enlighten me as to what kind of security risk applications having direct access to the database may pose? AND If that's the case, are there any other ORM solutions that can provide a workaround to this (I can't think of any logical possibility atm) that would allow me to circumvent the restrictions on the user account to be assigned to me? OR is my understanding that I'd need direct permissions for the tables and views wrong?

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• How can I copy an XmlNode from one XmlDocument to another?

  - by Chris Wenham

  I'm building a tool that authors/edits XML files, and I want to be able to populate it with template fragments defined in another XML file. For example, the tool has an "Add FooBarBaz Element" button that adds a element to the new document being created, and I want to add FooBarBaz by copying it from a template. Or let's say this is my template file: <Templates> <FooBarBaz Attribute="Value"> <ChildElement/> </FooBarBaz> </Templates> I can then grab a template fragment with .GetElementsByTagName("FooBarBaz"), and I'd like to be able to inject it into the new document with something like .AppendChild(templateNode). But the problem is that an XmlNode cannot be copied from one XmlDocument to another, even if you use .Clone() or .CloneNode(), because AppendChild() throws an exception saying that the template element belongs to another context. Is there an easy way to copy a System.Xml.XmlNode between System.Xml.XmlDocuments?

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• Tabcontainer in Master Page not working as expected

  - by henrico

  Isn't TABCONTAINER supposed to be used in a MASTERPAGE? I started building my application in a single .aspx page with a tabcontainer to separate the different features in the application. My idea was to later break it up into individual pages with less code in each of them. I thought the use of a masterpage would be the perfect solutions... of course, this didn't work as expected. The problem is that all tabs, except the one related to the page loaded, for example tab1.aspx, are empty. If tab2.aspx is loaded, only tab2 is filled and so on. Is this a known bug or by design?

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• Format an input with Jquery?

  - by Wes

  I'm building a calculator that has a slider. Everytime I slide the bar an input box is updated with the number, the calculator passes the value and updates the calculation. So my input boxes have dollar values that can range anywhere from $0 to $10,000. Right now my boxes display 0 to 10000 and I want them to be displayed as $0 to $10,000. I'm assuming jquery would be my best route here. How do I format an input box to display values like this. Sort of like an input mask. note: users never have to type into the input box, its all controlled by the slider.

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• How to configure a OCUnit test bundle for a framework?

  - by GuidoMB

  I've been developing a Mac OS X framework and I want to use OCUnit in my XCode 3.2.1 project. I've followed several tutorials on how to configure a OCUnit test bundle. The problem is that when I create a test case that uses a function that is defined in one of the framework's sources, I get a building error telling me that the symbol is not found. I made the test bundle dependent of my project's target as the tutorial said, but that doesn't seem to be problem. First I thought that I could solve this problem by dragging the framework's source files into the compile sources section within the Test bundle target, but then all the symbols referenced from that source file started to show up in the build errors, so that seems to not be a good solution/idea. How can I configure my unit test bundle so it builds properly?

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• Explain this O(n log n) algorithm for the Cat/Egg Throwing Problem

  - by ripper234

  This problem (How many cats you need to throw out of a building in order to determine the maximal floor where such a cat will survive. Quite cruel, actually), has an accepted answer with O(n^3) complexity. The problem is equivalent to this Google Code Jam, which should be solvable for N=2000000000. It seems that the O(n^3) solution is not good enough to solve it. From looking in the solutions page, jdmetz's solution (#2) seems to be O(n log n). I don't quite understand the algorithm. Can someone explain it? Edit

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• Disadvantages of hard coding credentials? What's the resolution?

  - by SeeBees

  I am building a Sharepoint web part that will be used by all users. The web part connects to a web service which needs credentials with higher privileges than common users. I hard coded credentials in the web part's code. query.Credentials = new System.Net.NetworkCredential("username", "password", "domain"); query is an instance of the web service class This may not be a good approach. In regard with security, source code of the web apart is available to people who are not allowed to see the credential. This is bad enough, But is there any other drawback of this approach? How to prevent hard coding credentials into the source code? Thanks

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• Preventing cross-site scripting in ASP.NET MVC - using jQuery or standard HtmlHelpers

  - by user313353

  I am building an ASP.NET MVC application that is AJAX-driven. For some reason I need to add some DOM elements on the fly when clicking a submit button. This is accomplished with jQuery.append(). One element inserted is a textarea, whose the data must be parse before submitting to ensure that no cross-site scripting can be done. We know that the Html.Encode() works great but must be declared outside a script tag. All I have done with jQuery is embedded within a script tag. 1) Is there a way to take advantage of the Html.Encode() within a script tag? 2) How can I accomplish this with jQuery? At worst I can use HttpUtility.HtmlEncode(), which is called on the server-side. Thanks for your help. Roland

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• Does it make sense to use BOTH mongodb and mysql in the same rails application?

  - by Brian Armstrong

  I have a good reason to use mongodb for part of my app. But people generally describe it as not a good fit for "transactional" applications like a bank where transactions have to be exact/consistent, etc. Does it make sense to split the models up in Rails and have some of them use MySql and others mongo? Or will this generally cause more problems than it's worth? I'm not building a banking app or anything, but was thinking it might make sense for my users table or or transactions table (recording revenue) to do that part in MySql.

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• Putting data from SONObjectWithData to UITableView

  - by user2966615

  i am building a app in which i am getting data from a php file and already NSLoging it in xcode and it is showing data in this format: jsonObject=( ( 1, abc, "[email protected]", "501 B3 Town" ), ( 2, sam, "[email protected]", "502 B3 Town" ), ( 3, jhon, "[email protected]", "503 B Town" ) ) and here is my viewdidload - (void)viewDidLoad { [super viewDidLoad]; statuses=[[NSMutableArray alloc]init]; NSURL *myURL = [NSURL URLWithString:@"http://url/result.php"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:myURL cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60]; [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) { NSLog(@"Finished with status code: %i", [(NSHTTPURLResponse *)response statusCode]); id jsonObject = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil]; NSLog(@"jsonObject=%@",jsonObject); statuses = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&error]; }]; } now i want to display all records in uitableview. can anyone tell me how can i do that. Thanks

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• Ensuring all waiting threads complete

  - by Daniel

  I'm building a system where the progress of calling threads is dependent on the state of two variables. One variable is updated sporadically by an external source (separate from the client threads) and multiple client threads block on a condition of both variables. The system is something like this TypeB waitForB() { // Can be called by many threads. synchronized (B) { while (A <= B) { B.wait(); } A = B; return B; { } void updateB(TypeB newB) { // Called by one thread. synchronized (B) { B.update(newB); B.notifyAll(); // All blocked threads must receive new B. } } I need all the blocked threads to receive the new value of B once it has been updated. But the problem is once a single thread finishes and updates A, the waiting condition becomes true again so some of the other threads become blocked and don't receive the new value of B. Is there a way of ensuring that only the last thread that was blocked on B updates A, or another way of getting this behaviour?

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• ant support for dynamic target

  - by Li He

  I previous saw some similar questions on stackoverflow but didn't see any solution. I guess the answer could be impossible and I am trying to see who can provide me this confirmation. AFAIK, an ant project contains several targets and each target may have several tasks. There is an task MacroDef that defines a sequential of `things' (tasks I suppose?). I tried to put target inside this block but ant complains the name of the target is missing (I am using the attribute of the macrodef to generate the name of the target). So it could be a dead end. Then I found that by using a task `script', we have access to the Project and can even call addTarget/AddOrReplaceTarget from there. But it seems that the targets I create there have no impact on the running targets. Does that mean ant doesn't support manipulating dependencies at target runtime? Is there any way to generate these targets before ant start building the dependency graph?

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• Converting ASP.NET MVC to n-Tiered Architecture

  - by Jeff

  I just built an application using ASP.NET MVC. The programmers at my company want to build all future modules using n-Tiered (Presentation Layer, Business Logic Layer, Data Access Layer) architecture. I am not the programmer and need to know why this makes sense? Do I have to completely rewrite the entire code or can it be converted? We are building an HRIS system with Business Intelligence. Somebody please explain why or why not this approach does or does not make sense.

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• android, find the nearest location without going through all the locations

  - by Marwan

  I am building a taxi dispatching app first: I need the passenger app to show the nearest taxis, now I know how to do that in code but in my way I have to go through all the taxis locations(in database on server) and calculate the distance from the passenger location and get the lowest ones - I don't want to do this because there will be a lot of taxis and going through all of them and making some math is kind of pain on the server- is there a way to get the nearest ones without going through all of them? second: what the best database to use - first, should it be sql or non-sql - I need a very robust database, because there will be a lot of updates (I mean the passengers locations added then deleted when arriving to destination && the taxis location changes frequently) finally: I will use RubyOnRails to do the server side and json as data transfer format, do you have a recommendation to me on something better? Thanks

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• Custom control packaging

  - by CSharpened

  Quick question: You are building a setup for your application. The application contains a custom control developed by you, which will be shared across multiple applications. How should you package the custom control? Package the control in a Merge Module (.msm) and add the .msm file to a Windows Installer project. Package the control into a cabinet project (.cab) and add the .cab file to a Windows Installer project. Create a separate directory for the control and then package it in a Windows Installer project along with the rest of the project files. Package the control as a Web setup project and create a link to that project from the Windows Installer project. Any ideas?

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• SQL: Join Parent - Child tables

  - by pray4Mojo

  I'm building a simple review website application and need some help with SQL Query. There are 3 tables (Topics, Comments, Users). I need a SQL query to select the data from all 3 tables. The 'Topics' table is the parent and the 'Comments' table contains the child records (anywhere from zero to 100 records per parent. The third table 'Users' contains the user information for all users. Here are the fields for the 3 tables: Topics (topicID, strTopic, userID) Comments (commentID, topicID, strComment, userID) Users (userID, userName) I tried: SELECT * FROM Topics Inner Join Comments ON Topics.topicID = Comments.topicID Inner Join Users ON Topics.userID = Users.userID But this does not work correctly because there are multiple topics and the User info is not joined to the Comments table. Any help would be appreciated.

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• Get a list of Android phone contacts only on Eclair and above?

  - by Rob Kent

  I want to show the user a flattened pick list of all their contacts phone numbers and it must work from versions 1.6 up. I have read the related questions on SO and the Android documentation for Eclair (http://developer.android.com/resources/articles/contacts.html#legacy). The problem is, even splitting my code into a factory class and specific implementations does not work for me because using Contacts.CONTENT_URI only shows contacts not individual numbers. What I need is this for version 1.6 Intent intent = new Intent(Intent.ACTION_PICK, Phones.CONTENT_URI); startActivityForResult(intent, REQUEST_PICK_CONTACT); And the equivalent for 2.0 and above. Even if I get their example to work, by building against the 2.1 API am I not stopping my app being visible on the Market to users with earlier versions of the OS? I can't launch it against a 1.6 emulator, for example.

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• Getting current window on a popup (google chrome extension)

  - by Steinn

  Hi, i'm building a google chrome extension, and i'm trying to get the selected window in a popup. (i'm talking about the popup that shows when you click in the extesion icon). I try to use the documentation, but i didn't get it well. I tryied to use: chrome.windows.getCurrent(function(w) { chrome.windows.get(w.id, function (response){ alert(response.location.href); }); }); But didn't work. Any ideas? Thanks (sorry if the english is bad).

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• Forcing the browser to pop a save as dialog box from a link pointing to remote url

  - by user360788

  Hi, I am building a web app that lets the user directly download files on a cdn by clicking a link. The link should point to the cdn url directly in order to minimize the load on our servers. We would like the to have the browser pop up the save as dialog box when the user clicks the link to download the file and not have the browser display the content of the file at all. So the page should not reload. However, we don't have access to setting the HTTP headers sent back from cdn. Is it possible to still pop up the save as dialog box for download using client-side code?

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• help with click-to-copy-into-clipboard function and open new frame/page

  - by jagarda

  Hi, Im currently building a new discount-webpage and Im looking for a solution to be able to hover over a discount button to reveal a small text without clicking. And after clicking on the button that the text in the flash button is copied into the clipboard and a new page open with a small frame from my window with the new page underneith. examples of this kind of script can be viewed on this page: http://www.retailmenot.com/ on the yellow boxes with the discount text. Im not looking for a free script or for someone to do this for me. All I want to know if there is another language to do this with like possibly java? and maybe some links to tutorials. (the current page solves this with flash which I havent worked with before.)

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• What the difference between zend framework and Wordpress as framework ?

  - by justjoe

  i only know wordpress and start to seek another alternative framework, zend. i heard hearsay that zend's better from others framework. if you're "a serous coder", or try to act like one, you need to use it on building your web app. some said zend is better. But it's subjective. It's fast ans secure. But nobody tell me the reason or at leas compare it with with wordpress. ultimate question : Do zend have theme or plugin just like wordpress ? any hint will be helpful

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• Is it possible to hide columns in jQuery Grid by default?

  - by Toran Billups

  I have been working with the jQuery Grid the past few days and one thing I have not found any documentation on yet is the ability to hide a column by default. The reason I want this is that I'm building my JSON w/ every property of my object yet my grid might only show 75% of these as valid columns. I want the ability to pass back more JSON than I actually use, and one way I thought to accomplish this would be to hide the columns I'm not using. Any other suggestions are welcome, but I would prefer the ability to push down a larger list of JSON than I actually use by default.

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• A better way to do XML in Java

  - by jboyd

  There are a lot of questions that ask the best XML parser, I am more interested in what is the XML parser that is the most like Groovy for Java? I want: SomeApiDefinedObject o = parseXml( xml ); for( SomeApiDefinedObject it : o.getChildren() ) { System.out.println( it.getAttributes() ); } The most important things are that I don't want to create an object for every type of filed, I'd rather just deal with them all as strings, and that building the XML doesn't require any converters or anything, just a simple object that is already defined If you have used the Groovy XML parser, you will know what I'm talking about Alternatively, would it be better for me to just use Groovy from Java?

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• Create Posterous like functionality for my website ?

  - by Rahul

  Well, the problem is i am building a web app which allows users to post on their web page from their email itself . The technically the users are group of people ( its confined to a small team ) who would like to post from time to time about the activity they do ( its regarding the fest of my college). to make it simple for them , i thought it will be better if they just send a mail to [email protected] and that will get posted to their respective web pages created by me . i am a novice php programmer and have no idea on how to proceed on this.

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• Installing app on Devices(iPhone/iPod)

  - by Shakti

  Hi, I have developed an application for iPhone and iPod touch. Now i want to install that app on the device. I have created a provisioning profile for the particular device. My query is that, now to install the app on a device I have to add the provisioning profile of that device to xcode and after selecting the developer in build option in project info pane i build the project and send the build and provisioning profile to the user. Is there any to install the app without doing the above task of building the project with the provisioning profile. Means i have a build of an app and a newly downloaded provisioning profile. I will send the user both build and profile in a zip file. will the user be able to install the app on his/her device?

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