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  • Interview question - c#

    - by ltech
    I was tasked to conduct my first interview and would like to pose my question to this world for both their feedback on my question and also on their solutions. Question: I have a legacy system with users and files, the info of all files pertaining to a user are stored on a flat file. I want to upgrade this system by storing all info on a db, design tables, and create a C# system that will populate the new db as well as ftp the files to a new path. Define the desgin consideration and develop a prototype. Note: We are looking more for what design one would use and why rather than code that compiles. If it does then kudos to you and we will give it more weight. @Tim C, I did show the interviewee the file: User1234.txt UserID=1234 ParentPath=\\somewhere\nowehere\everywhere\1234 FileCount=20 File0=something0.ext .. File19=something19.ext @Tim C, I have never conducted an interview and I followed a script given to me by my senior developer who was absent.

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  • Android : Hello, Views > Google Map View Tuorial

    - by Tom
    Hi, I'm trying to complete the Android MapView tutorial @ www.developer.android.com/resources/tutorials/views/hello-mapview.html I think I've done the entire thing correctly but I'm getting an error message in Eclipse. I'm sure why. The problematic line of code is private ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>(); I'm relatively new to Java but I've gone through the forums of different things and I really have no idea on this one. I've [attached][2] a screen shot of the development environment - hopefully it wont be anything too obvious or hard to fix either! http://lh5.ggpht.com/_sqCs2rXr5hQ/S-CJf4x9ZUI/AAAAAAAAAHI/IR-kTcOnfU8/s144/hellogooglemaps.jpg Cheers Tom :)

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  • How does a programmer think?

    - by Gordon Potter
    This may be a hopelessly vague question. But I am interested to hear whatever logical thought processes people go through when learning a new concept or trying to get their brain around code they might not have ever seen before. Basically, what general steps does one take to to break down problems and what does it take to "get it"? If you were to diagram a flowchart of how your mental process works when you look at code or try to solve a problem what might it look like? What common references, tips, and mental assumptions do you find useful in problem solving? How is this different between different domains? For example in what ways is a web programmer's thought process similar or different from a traditional desktop app developer's process?

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  • How can I make a URL Shortener in Visual Basic that uses and URL Shortener API?

    - by Andrew
    I want to make a URL Shortener that uses and Online URL Shortener API I want to use this api here - http:// cut2.tk/api-about.php So the api code is this http://cut2.tk/api.php?url= LONG URL HERE I want to use an User Form with 2 TextBoxes and two Buttons The first button is to short URL and the second to copy the Short URL from the second textbox The First Textbox is where Im going to paste the long url, and the second textbox is where im going to get the short url after i press the Short URL button Like this: Can anyone pass me the project or the code please? Thanks in advance Im using Microsoft Excel Developer Visual Basic

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  • How to build a RESTful API?

    - by Sharon Haim Pour
    Hi friends, The issue is this: I have a web application that runs on a PHP server. I'd like to build a REST api for it. I did some research and I figured out that REST api uses HTTP methods (GET, POST...) for certain URI's with an authentication key (not necessarily) and the information is presented back as a HTTP response with the info as XML or JSON (I'd rather JSON). My question is: 1. How do I, as the developer of the app, build those URI's? Do I need to write a PHP code at that URI? 2. How do I build the JSON objects to return as a response? I hope I was clear enough. Thanks!

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  • Connecting PC via Bluetooth SNP

    - by Nicholas
    Hi, I have a widcomm example BluChat "WIDCOMM SDK RFComm Service" running on my PC with an USB dongle (BT-2400P). I would like to connect this chat from my HTC Desire. So I stared with the Java example http://developer.android.com/resources/samples/BluetoothChat/index.html. This is also using BT RFComm. If I'm using my HTC as a server it work's fine, but I would like to use my PC as a server. Then .connect() comes back with "Service Discovery Failure". I have modified the UUID string in the Java example to match the PC-application mmSocket = mmDevice.createRfcommSocketToServiceRecord(UUID.fromString("5fc2a42e-144e-4bb5-b43f-4e61711d1c32")); mmSocket.connect(); What is missing? Any help appreciated. Nicholas

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  • Why dont Android applications provide an "Exit" option?

    - by Howiecamp
    Is there something in the Android developer guidelines that disuadea developers from providing the option to "exit" (stop running) an application from within the application itself? I love multitasking and all but it's not clear to me why: the vast majority of apps don't have their own Exit functions and hence just keep running forever don't give you a choice about running when you turn on the phone - they just do by default Both of these things lead to memory usage constantly increasing and your device running with this performance burden all of the time despite the fact that you may only want certain apps to run some of the time. Am I missing something?

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  • Open source ASP.net webforms examples

    - by Yaaqov
    I learning ASP.net, and am looking to create a rather straightforward WebForms ASP.net application, but I have very limited examples to work with. Is there a site that has a lot of ASP.net WebForms projects that are downloadable? Books seem to focus on narrow aspects of using Webforms, like session control, or using master pages, but I'm looking for examples of how a whole app comes together. Or, better yet, is there someone willing to help a new developer out one-on-one by sharing a project or two of his? I'd appreciate any help. Thanks.

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  • Why is Visual Studio 2008 slow with Firefox?

    - by Edward Tanguay
    I am using Microsoft Visual Web Developer 2008 Express. I've made an ASP.NET MVC site which has 6 CSS files and 6 Javascript files in the HEAD element in the Site.Master file. When I do F5 or CTRL-F5 in Explorer or Opera, the site displays instantly. When I run my site in Firefox, it takes a SECOND for each CSS and each Javascript file on LOCALHOST, i.e. 12 seconds to load on localhost. What might I be able to change in the Firefox settings so it is as fast as Opera and Explorer? NEW INFO: Uninstalled Firebug completely, no yslow, no other add-ons. When I take out the CSS and Javascript files, then Firefox is as fast as the other browsers. What could be taking it so long on a local connection?

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  • Fetching all uploaded,tagged in and share videos in Facebook by FQL

    - by himanshu
    In my app, i want to fetch all videos of logged in user i.e. videos that are uploaded by user, videos share by user, user tagged in etc. Currently im using "stream" query as: SELECT created_time, post_id, actor_id, type, updated_time, attachment FROM stream WHERE created_time>1075593600 AND type IN (56, 80, 128, 237, 272) AND source_id=me() limit 10000 As you can see i use "type IN" to fetch required videos but this query is not fetching all videos of mine . I have two videos in 2011 one of which is uploaded and other one is shared.But i m not getting these two. Also in developer.facebook it was written that "Each query of the stream table is limited to the previous 30 days or 50 posts, whichever is greater, however you can use time-specific fields such as created_time along with FQL operators (such as < or ) to retrieve a much greater range of posts." So i tried "created time0" i.e.(1970) and other like timestamp of 2001 but still i m not getting all. Please help..its urgent.Thanks

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  • Wicket : Can a Panel or Component react on a form submit without any boilerplate code?

    - by MRalwasser
    I am currently evaluating Wicket and I am trying to figure out how things work. I have a question regarding form submit and panels (or other components). Imagine a custom wicket panel which contains a text field, doing as-you-type validation using ajax. This panel is added to a form. How can the Panel react a form submit (let's say because javascript/ajax is unavailable)? I am currently only aware of one solution: calling a panel's method inside the Form onSubmit() method. But this seems not like a "reusable" approach here, because I have to add boilerplate code to every form's onSubmit() which contains the panel (and every developer which use the panel must know this). So here comes my question: Is there any way that a Panel/Component can "detect" a form submit in some way? Or is there any other solution beside this? Thank you.

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  • NHibernate Lazy="Extra"

    - by Adam Rackis
    Is there a good explanation out there on what exactly lazy="extra" is capable of? All the posts I've seen all just repeat the fact that it turns references to MyObject.ItsCollection.Count into select count(*) queries (assuming they're not loaded already). I'd like to know if it's capable of more robust things, like turning MyObject.ItsCollection.Any(o => o.Whatever == 5) into a SELECT ...EXISTS query. Section 18.1 of the docs only touches on it. I'm not an NH developer, so I can't really experiment with it and watch SQL Profiler without doing a bit of work getting everything set up; I'm just looking for some sort of reference describing what this feature is capable of. Thank you!

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  • Handling log-in / log-out via Objective-c

    - by squeezemylime
    Having a real problem with this one...Tried using cookies to store variables, etc. but no luck. Writing an iPhone app where the User has to log in. There is an HTTPS call to get the person's userid, which is used practically everywhere else in the app, so that either has to be stored in a global variable or a cookie (for sending messages to other users, etc.) I tried the cookie route, but am having great difficulty storing (and retriving) a user ID in a cookie. The User should be able to then close out of the app and then reboot it and have the app retain their User ID as well, so I'm not sure global variables are necessarily the solution to this. Are there any best practices or suggestions?

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  • Books or Articles on Using NUnit to Test Entire Features

    - by INTPnerd
    Are there any books or articles that show you how to use NUnit to test entire features of a program? Is there a name for this type of testing? This is different from the typical use of NUnit for unit testing where you test individual classes. This is similar to acceptance testing except that it is written by the developer to discern that the program does what they interpreted as being what the customer wants the program to do. I don't need it to be readable by non-programmers or to produce a readable specification for non-programmers. The problem I am having is keeping this feature testing code maintainable. I need help in organizing my feature testing code. I also need help organizing the program code to be drivable in this way. I am having a hard time being able to issue commands to the program while still having good code design.

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  • Pull down UIToolbar above UIWebView inside UIScrollView

    - by Nick VanderPyle
    I'd like to display a toolbar above a UIWebView but hide the toolbar until the person "pulls it down". The same functionality can be seen in Safari on the iPhone. When the page loads, the toolbar containing the address is hidden. You must pull it down. In Safari it's possible to scroll up and eventually see the toolbar or scroll down through the page contents. I've tried placing a UIToolbar and UIWebView inside a UIScrollView but it didn't work. I've tried setting the UIScrollView to the size of the toolbar and webview combined, but that didn't work. - (void)viewDidLoad{ CGSize size = CGSizeMake(webView.frame.size.width, toolBar.frame.size.height + webView.frame.size.height); [scrollView setContentSize:size]; } How should I go about doing this?

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  • Loading an OverlayView from XIB -vs- programmatically for use with UIImagePickerController

    - by PLG
    I am currently making a camera app for iPhone and I have a strange phenomenon that I can't figure out. I would appreciate some help understanding. When recreating an overlay view for passing to UIImagePickerController, I have been successfully been able to create the view programmatically. What I haven't been able to do is create the view with/without controller in IB, load it and pass it to the overlay pointer successfully. If I do it via IB, the view is not opaque and obscures the view of the camera completely. I can not figure out why. I was thinking that the normal view pointer might be assigned when loading from XIB and therefore overwrite the camera's view, but I have an example programmatically where view and overlayView are set equal in the controller class. Perhaps the load order is overwriting a pointer? Help would be appreciated... kind regards.

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  • Can't read query string if default index file name is omitted?

    - by Mike
    Is there an issue with IIS or ASP Classic where *Request.ServerVariables("QUERY_STRING")* returns blank if no default file name is given in the URL? On my local developer machine, I can do http://localhost/xslt/?opcs/abc which returns "opcs/abc". However, on our ancient web server, it returns nothing. I have to explicitly give it the default file name in the URL. Like so http://localhost/xslt/default.asp?opcs/abc While nothing too major, it is a little bit of a annoyance. One way I can maybe think of remidying the problem is have Javascript read the URL and return everything after the ?. Unfortunately, I do not know what version of IIS or ASP we are using. Thank you.

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  • Why do software engineers hate writing documentation?

    - by Stewart Johnson
    I ask because I quite enjoy it! I'm talking about design documentation and implementation notes (NOT user manuals), which are non-existent in most of the codebases I've been handed. I can understand why a developer wouldn't want to write requirements (that's the analyst's job) or the user documentation (that's a technical writer's job) but I don't get why developers hate writing design docs. I don't think I would feel as if I'd finished the job if I only wrote the code and walked away -- mainly because when I've been introduced to code-only situations I've seen how hard it is to figure out what's been done and what the software does. I would hate for people to suffer the same situation when inheriting my code. What makes you loath writing supporting documentation for your code?

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  • Google groups not finding discussion thread but regular google search does?

    - by Mathias Lin
    I'm having a problem with google groups and finding my own discussion threads. I go to the google group (in my case Android developer group) web view and try to search for my thread by entering the extact title of my thread. But it doesn't appear in the search results. On the other hand, when I search for the same title in the regular google web search, I get the thread right on top of the result list. I thought it might take a while until the groups index all new threads, but still after a few days, it still wouldn't show up. Sample: My thread is here: http://groups.google.com/group/android-developers/browse_thread/thread/0ab41d5056a25ce7 Doing a search for it in Google groups (will give one result, but not mine): http://groups.google.com/group/android-developers/search?group=android-developers&q=Strange+behaviour+with+mediaplayer+and+seekTo&qt_g=Search+this+group Search in Google web search (shows my thread as first result): http://www.google.de/search?sourceid=chrome&ie=UTF-8&q=Strange+behaviour+with+mediaplayer+and+seekTo

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  • Can one TabBarItem be used for two different ViewControllers?

    - by Kash
    I am creating an app with three tabBarItems, but I want to control four ViewControlers with three tabBars. I am trying to use one tabBar for two different viewcontrollers. I am able to change the tabBartitle and icon upon tap, but I cannot reset it so it can go back to it's previous status with previous title and icon. Also, I am confused about using the tabBarController or just tabBar and to call what function to reload/refresh the tabBar status and where exactly? I am fairly new to the iPhone SD, please describe your answer clearly any help will be highly appreciated.

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  • Please advise on handling the existing geek

    - by ranja
    Quick Story: I started a new job where everyone funneled their questions to 'the geek'. Being an experienced developer, I can do most of my assignments without consultation with the geek - thinks such as how to select the top 10 rows in a table. Question: Is there a preferred way of handling these cases without offending the existing geek while ensuring the best solution gets implemented? My issue is the the existing geek is very young and makes a lot of mistakes, but still sounds authoritative because the other coders are just out of school and don't know better.

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  • Avoiding cookies while requesting static content

    - by Abdel Olakara
    I just did an audit of one of my web application page (built using ASP.Net and running on development server) using Google chrome's developer tool. One particular warning caught my eyes: Serve static content from a cookieless domain (5)! Here is my screen shot (http://yfrog.com/7eauditresultp) as well. I would like to know is it possible to avoid cookies for these kind of requests. I see that there is no cookie requests for javascript files as well. I it possible to avoid cookies in the header for these files as well? and why didn't the browser attach cookies for javascript files and attach for CSS and image? Any thoughts and suggestions are welcome

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  • Stack trace for C++ using gcc

    - by dimba
    We use stack traces in proprietary assert like macro to catch developer mistakes - when error is caught, stack trace is printed. I find gcc's pair backtrace()/backtrace_symbols() methods insufficient: Names are mangled No line information 1st problem can be resolved by abi::__cxa_demangle. However 2nd problem s more tough. I found replacement for backtrace_symbols(). This is better than gcc's backtrace_symbols(), since it can retrieve line numbers (if compiled with -g) and you don't need to compile with -rdynamic. Hoverer the code is GNU licenced, so IMHO I can't use it in commercial code. Any proposals?

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  • Django Social Registration - Twitter Callback going to example.com

    - by user578888
    I have been working through installing django social registration on my webfaction account. So far I have the facebook login working. When I attempt to log in to to twitter I get the correct login page but after choosing "Allow" I am forwarded to the following URL: http://example.com/social/twitter/callback/.... where "example.com" is the actual URL it is forwarding to. I have setup the twitter app and have entered a valid oauth callback URL. I have searched the code on my developer machine for references to "example.com" but have not found any. Any help nailing this down will be greatly appreciated.

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  • Mercurial: What is the benefit of fixing errors in earlier versions

    - by Ken Earley
    According to the guide, under the heading: Fixing errors in earlier revisions, it states this: When you find a bug in some earlier revision you have two options: either you can fix it in the current code, or you can go back in history and fix the code exactly where you did it, which creates a cleaner history. How does going back in history make it cleaner? It still makes a new changeset at tip. Does it have something to do with what is recorded as it's parent? Is there a way to view the logs seeing the newly inserted changeset in that order? This lesson is under the main heading of Lone developer with nonlinear history. Is this good practice when working on a team?

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