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  • ActiveRecord finding from inside a serialized field

    - by JP
    While working with ActiveRecord I have a table which stores a serialized array of participant usernames for each row. Is there an easy way to search for all rows who contain a specific user? I realise I could just make a new linked table for the participants, but I feel like that would increase my overhead unnecessarily -- what do you think?

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  • Get Windows mobile sound level, especially silent mode

    - by Sam
    In Windows Mobile (5,6) you can have different sound volume settings. The volume itself is easy, but how do I differ between the two silent settings? There is one volume setting "vibration only" and one "no sound, no vibration at all". Since my program is using vibration, I'd like to know if windows mobile is set to "no vibration at all", so I don't annoy the user when he wants his phone to be absolutely silent.

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  • How do I see if something is getting touched?

    - by Nathan
    Is there some way in objective C to see if an instance is being touched such as: - (void)viewDidLoad { [super viewDidLoad]; if (recordButton.touched = YES) { NSLog (@"record button got touched"); } } Can't they just make these things easy? Could someone help?

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  • Concatinating Multiple Rows in SQL

    - by Dave C
    Hello, I have a table structure that looks like this: ID String ----------- 1 A 1 Test 1 String 2 Dear 2 Person I need the final output to look like this: ID FullString -------------------- 1 A, Test, String 2 Dear, Person I am really lost on how to approach this... I looked on a couple examples online but they seemed to be VERY complex... this seems like it should be a real easy problem to solve in sql. Thank you for all assistance!

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  • loading xml without invalid character errors

    - by dalco
    at the moment im loading xml and i am getting error: System.Xml.XmlException: ' ', hexadecimal value 0x17, is an invalid character. Line 2762, position 16. it is easy to fix. just open xml and remove the character. but I need to know is it possible to load xml even with invalid characters and use it for parsing. and is there any downside?

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  • How t o make a magnifying glass On a picture?

    - by pengwang
    hello I want to make a magnifying glass on a picture so that the part of picture is extended ? in other words i want to find a easy method to create the illusion of a magnifying glass,I know ShapeDrawable and BitmapShader(Bitmap, Shader.TileMode.REPEAT, Shader.TileMode.REPEAT) is useful,but I donot konw how tu du it. AS http://i3.6.cn/cvbnm/72/60/36/73dfcc8862020e9ed366a55e72e88883.jpg could you give me some code or sample? thank you

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  • Java: JPQL search -similar- strings

    - by bguiz
    What methods are there to get JPQL to match similar strings? By similar I mean: Contains: search string is found within the string of the matches entity Case-insensitive Small mispellings: e.g. "arow" matches "arrow" I suspect the first two will be easy, however, I would appreciate help with the last one Thank you

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  • What is a good naming convention to differentiate a class name from a property in C#?

    - by Andy Stampor
    I run into this frequently enough that I thought I'd see what others had to say about it. Using the StyleCop conventions, I find that I often have a property name that is hard to make different than the class name it is accessing. For example: public class ProjectManager { // Stuff here } public class OtherClass { private ProjectManager ProjectManager { get; set; } } It compiles and runs, but seems like it would be an easy way to confuse things, even with the use of "this".

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  • Telling How Much Space SQLCE Tables are Using

    - by peter
    Is there a way to get a record count or a space-used value for all the tables in a SQL Server Compact database file (SQL CE 3.5.1)? I saw this question, http://stackoverflow.com/questions/2075026/sql-server-compact-count-records-get-space-used-for-all-tables-in-database So perhaps another option would be, is there an easy way to move a sqlce database to SQL Express? Would that give realistic measurement of the database table sizes?

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  • How can I quickly set the iPhone deployment target in Xcode?

    - by nevan
    I was reading this great article about Base SDK and Deployment targets and decided to try it out myself. The Deployment target seems to be buried in the Build settings, and not that easy to access compared to the Base SDK target (which is right there in the General tab of the project settings). To get to the Deployment settings now I have to Get Info, go to the Build tab, then search for "Deployment". Is there a quick way to check and access the Deployment target in Xcode that I'm missing?

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  • C# check if a COM (Serial) port is already open

    - by TK
    Is there an easy way of programmatically checking if a serial COM port is already open/being used? Normally I would use: try { // open port } catch (Exception ex) { // handle the exception } However, I would like to programatically check so I can attempt to use another COM port or some such.

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  • How do I integrate a BSDF into a ray caster.

    - by pelb
    I'm trying to implement sub surface scattering at isosurfaces and looked up how a BSDF works mathematically. Implementing the reflective and diffuse part seems to be quite easy as i just have to evaluate phong at the isosurface intersection, but how do you I apply the transmissive part of the BSDF? In what way do i have to modify the ray direction. Any pointers to a practical implementation are welcome. Thanks and So long!

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  • Calculating volume for sphere in c++

    - by Crystal
    This is probably an easy one, but is the right way to calculate volume for a sphere in c++. My getArea() seems to be right, but when I call getVolume() it doesn't output the right amount. With a sphere of radius = 1, it gives me the answer of pi, which is incorrect: double Sphere::getArea() const { return 4 * Shape::pi * pow(getZ(), 2); } double Sphere::getVolume() const { return (4 / 3) * Shape::pi * pow(getZ(), 3); }

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  • Is PetraVM Jinx Beta 1 good?

    - by Brian T Hannan
    PetraVM recently came out with a Beta release of their Jinx product. Has anyone checked it out yet? Any feedback? By good, I mean: 1) easy to use 2) intuitive 3) useful 4) doesn't take a lot of code to integrate ... those kinds of things. Thanks guys!

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  • Querystring formatting in asp.net MVC 2

    - by Stuart
    Seems like a straitforward question but I can't quite figure it out myself... I have an actionlink like so Html.ActionLink( "Test", "test", new { q = "search+twitter" } ) This produces a url string as follows http://myserver/test?q=search%2Btwitter But i would like to preserve the plus sign (which i assume is being UrlPathEncoded) so that I get the following url http://myserver/test?q=search+twitter Is there an easy way to do this whilst still using Html.ActionLink ?

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  • How to add changebar in latex?

    - by Rabarberski
    In Latex, I've created a new command 'changedtext' to mark specifics parts in my document and make it appear blue: \newcommand{\changedtext}[1]{\textcolor{blue}{#1} } Is there any easy way to alter the command to have change bars appear next to the text in the resulting PDF? If not possible, any other suggestion for a visual markup (other than change bars) that would be clear on a black & white printout would be useful as well.

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  • Can splitting .MDB files into segments help with stability?

    - by Craig Johnston
    Is this a realistic solution to the problems associated with larger .mdb files: split the large .mdb file into smaller .mdb files have one 'central' .mdb containing links to the tables in the smaller .mdb files How easy would it be to make this change to an .mdb backed VB application? Could the changes to the database be done so that there are no changes required to the front-end application?

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  • switch easily between different main()

    - by lezebulon
    I'm using VS2010 I have a project with several headers and one file with the main() function. For testing purposes I'd like to be able to easily another main() function that would instanciate different things than my original main. Is there an easy way to define 2 "main" function, and easily switch between them? The best would be to compile 2 binaries, one that starts at main1() and the other at main2(), or it can be a solution that requires to recompile some files, it doesn't matter

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  • Embedding existing page in a CakePHP site

    - by lhahne
    We have an existing PHP page (from an earlier project) which could be described as cryptic and ancient. It basically displays a form, catches the input and runs an external application to process the input and then pipes the output to the user. I would really like not to modify this file any more than is required. Would there be an easy way to just make this file magically work by copying it to some location in the CakePHP's directory and have it receive $POST etc. as usual?

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  • Detect if Visual Studio Test is running

    - by RTigger
    Is there an easy way to detect if you're running in the context of a Visual Studio Test as opposed to debug or release? Here's the scenario - we have a factory class that we use heavily throughout our existing codebase, and I figured instead of refactoring it out in each class so we can substitute the default factory with one that would return mock/fake objects, I could add something in the factory class itself to return those mock objects if it detects it's running in "test" mode.

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