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  • How to drop a primary key using ActiveRecord migrations

    - by knoopx
    Due to a mistake I forgot to add :id => false to a has_many :trough table creation migration. Now I reverted the association back to a has_and_belongs_to_many and ActiveRecord throws an exception complaining about the presence of the primary key. I couldn't find any reference on the ActiveRecord documentation so, do you know if there is any standard, clean way of doing it?

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  • How to call JQuery functions

    - by Mohammad
    Hello, I was wondering about the different ways of using a JQuery function on a variable like I know this one $.DoThis(variable); but is there a way to call it at the end like normal Javascript functions variable.$.DoThis(); haha I know this sounds stupid but I need to ask somewhere. Thanks!

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  • Resizing canvas, where's the problem?

    - by Noor
    I'll post a link since theres to much to post here: http://hem.bredband.net/noor/canvas.htm My goal is to make the picture fit inside the window with the width of the image being the same as the window, even after resize. If the pictures height becomes to big for the window then the picture should resize itself according to the height and not the width. Somewhere along my code there is something wrong.. forgive me if this is stupid, i am still learning.. Thanks!

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  • Disable Window Menu

    - by Jookia
    In my C OpenGL app the window style requires WS_SYSMENU to show the close and minimize buttons, but it also brings up a stupid menu everytime I press alt. How can I disable this?

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  • Can't figure out how to use db:seed for rails in netbeans

    - by user317766
    can't seem to get my seeds.rb file to run through the command "rake db:seed". I'm using netbeans and I'm a beginner to rails, so I could be doing something really simple and stupid =/. I know you're meant to put your seeds.rb file in the db directory but netbeans doesn't seem to have one or might have renamed it... any help out there? Thanks in advance!

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  • Can I select a set of Data and directly insert that into a table in SQL?

    - by VJ
    Hi I guess we cannot do this but was just curious if I could do something like - Select * from Employee where EmployeeId=1 and then use the data in the above statement and directly insert into a table with just changing the employeeid...or just this way- insert into Employee ( Select * from Employee where EmployeeId=1) its probably stupid from my side...but I just felt the need to do this a lot of times...so just was curious if there was any way to achieve it..

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  • sqlite3 timestamp column

    - by Flavius
    Hi I feel stupid, but I can't get a TIMESTAMP column to be shown in human understandable way in a SELECT. I could do that in MySQL, not in sqlite3. Could someone show me an example please? Thanks

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  • C# DriveInfo FileInfo

    - by maxfridbe
    This may seem like a stupid question, so here goes: Other than parsing the string of FileInfo.FullPath for the drive letter to then use DriveInfo("c") etc to see if there is enough space to write this file. Is there a way to get the drive letter from FileInfo?

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  • Creating lots of arrays

    - by Dmitry
    Hello, everybody! May be that is a stupid question. How to create, say, 30 arrays (it doesn't matter of what type, say, char[])? It seems to me that it is not a good idea, to create them one by one by hand. I want to do that using a "for" cycle, but how should I specify identifiers?

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  • rotate and its properties

    - by faxtion
    When using -webkit-transform: rotate(-90deg); -moz-transform: rotate(-90deg); filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3);; does its properties rotate with it or do they stay the same, for example does the margin top become the left, or does margin top stay at the top? Think it's me being stupid but having some weird things happing when trying style the elements

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  • Reset ID autoincrement ? phpmyadmin

    - by Marcelo
    Hi, I was testing some data in my tables of my database, to see if there was any error, now I cleaned all the testing data, but my id (auto increment) does not start from 1 anymore, can (how do) I reset it ? Sorry for any mistake in English, and thanks for the attention.

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  • How to balance number of ratings versus the ratings themselves?

    - by zneak
    Hello guys, For a school project, we'll have to implement a ranking system. However, we figured that a dumb rank average would suck: something that one user ranked 5 stars would have a better average that something 188 users ranked 4 stars, and that's just stupid. So I'm wondering if any of you have an example algorithm of "smart" ranking. It only needs to take in account the rankings given and the number of rankings. Thanks!

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  • Using memcached as a session storage with CodeIgniter

    - by Alex N.
    I am researching possibilities of using memcached as a session storage for a system built on CodeIgniter. Has anybody done this before(that's probably a stupid question :) and if so what's your experience folks? Have you used any existing libraries/extensions? As far as performance improvement what have you seen? Any caveats?

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  • Akima interpolation of an array of doubles

    - by David Rutten
    Assuming I have an array of doubles, what's a good algorithm to sample this series using Akima interpolation? I'm too stupid to translate that mathematical description into code. // values is an array of doubles // idx is the index of the left-hand value for the current interpolation // t is the normalized parameter between values[idx] and values[idx+1] // Don't worry about array bounds, I'll handle that separately. public double InterpolateAkima(double[] values, int idx, double t) { ...? }

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  • Cross-Browser CSS3 Rule

    - by Alexander Corotchi
    I have a stupid question, If I want to add round corner for an element in browsers which support some stuff of CSS3, I have to repeat style several time for each browser, because it is different ? For ex : -moz-border-radius: 12px; /* FF1+ */ -webkit-border-radius: 12px; /* Saf3+, Chrome */ border-radius: 12px; /* Opera 10.5, IE 9 */ It means, that I have to add 3 styles for this radius border, doesn't it ?

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  • regexp exclusion

    - by Vlad
    Hello everyone! I have regexp to change smileys to images. Here it is (?:(?![0]:\)|:\)\)|:-\)\)))(:\)|:-\)) The point is not to change 0:) and :)) and :-)) while changing :) and :-) It works pretty well with :)) and :-)) but somehow still grabs :) in 0:) Where's my mistake?

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  • Overriding or overloading?

    - by atch
    Guys I know this question is silly but just to make sure: Having in my class method: boolean equal(Document d) { //do something } I'm overloading this method nor overriding right? I know that this or similiar question will be on upcoming egzam and would be stupid to not get points for such a simple mistake;

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  • passing form values from one jsp to another

    - by shil
    hi i need to access form data given entered in one jsp in another.. this is how my code looks fisrt jsp: second jsp: <%=request.getParameter("firstame")% now this prints a null value.. what is the mistake here? how do i get to access the values in my second jsp?

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  • ActionScript Bitmap Filter Tweening

    - by TheDarkIn1978
    i can't seem to tween any bitmap filters. here's my code: var dropShadow:DropShadowFilter = new DropShadowFilter(); mySprite.filters = [dropShadow]; var dropShadowTween:Tween = new Tween(dropShadow, "distance", Regular.easeOut, 4.0, 20, 2, true); what is my mistake? i've also tried the following but it doesn't work: var dropShadowTween:Tween = new Tween(mySprite.filters[0], "distance", Regular.easeOut, 4.0, 20, 2, true);

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  • What is SIP trunking?

    - by hypnocode
    Can someone explain to me in plain English what SIP trunking is, please? I've read about it on Google, but I don't really grasp it yet. Does it allow a VoIP call to be placed outside of the LAN? So if you had Asterisk setup as the PBX, then IP calls could be made outside of the network? Am I close or am I just saying stupid words?

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