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• mysql join Two tables to get records

  - by Saranya

  Hai guys, I have two tables Incharge and property. My property table has three fields 1stIncharge,2ndIncharge and 3rdIncharge. InchargeId is set as foreign key for all the above fields in the property table.. How to write a select statement that joins both the table.. I ve tried a bit but no result select P.Id,P.Name,P.1stIncharge,P.2ndIncharge,P.3rdIncharge,I.Id from Property as P join Incharge as I where (\\How to give condition here \\) Guys 3 fields P.1stIncharge, P.2ndIncharge, P.3rdIncharge has foreign key I.Id Edit: select P.Id,P.Name,P.1stIncharge,P.2ndIncharge,P.3rdIncharge,I1.Id from Property as P inner join Incharge as I1 on I1.Id=P.1stIncharge inner join Incharge as I2 on I2.Id=P.2ndIncharge inner join Incharge as I3 on I3.Id=P.3rdIncharge and this query working

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• Two UITabBarControllers and Autorotation

  - by optimisticmonkey

  I have two UITabBarControllers in my mainwnidow.nib wired to my appdelegate. In my app delegate, I can load either one: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //either [window addSubview:tabBarController.view]; //or [window addSubview:tabBar2Controller.view]; [window makeKeyAndVisible]; } and autorotation works. If I add both (with the expectation to swap between them later): [window addSubview:tabBarController.view]; [window addSubview:tabBar2Controller.view]; then autorotation stops working...everything is always portrait. Thanks in advance for any tips...

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• joining two sets in LINQ

  - by user343209

  var setsA = new List<SetA> { new SetA { SsnA = "3450734507", name = "setA"}, new SetA { SsnA = "6833467788", name = "setA"}, new SetA { SsnA = "5452347787", name = "setA"}, new SetA { SsnA = "9345345345", name = "setA"}, }; var setsB = new List<SetB> { new SetB { SsnB = "5452347787" ,name = "setB"}, new SetB { SsnB = "9345345345", name = "setB"}, }; when i use this linq: var Set = from seta in setsA join setb in setsB on seta.SsnA equals setb.SsnB select new { SSN = seta.SsnA, NAME = setb.name }; i get this value: { SSN = "5452347787", NAME = "setB" } { SSN = "9345345345", NAME = "setB" } but i would want to have SET which combines these two and the result would be: { SSN = "3450734507", NAME = "setA" } { SSN = "6833467788", NAME = "setA" } { SSN = "5452347787", NAME = "setB" } { SSN = "9345345345", NAME = "setB" } This would be a result set that would tell me with the name NAME property which set it was taken from, if SSN was found in SetA and SetB it would have property NAME = "setB" could someone help me with this?

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• Intersection of two querysets in django

  - by unagimiyagi

  Hello, I can't do an AND on two querysets. As in, q1 & q2. I get the empty set and I do not know why. I have tested this with the simplest cases. I am using django 1.1.1 I have basically objects like this: item1 name="Joe" color = "blue" item2 name="Jim" color = "blue" color = "white" item3 name="John" color = "red" color = "white" Is there something weird about having a many-to-many relationship or what am I missing? queryset1 = Item.objects.filter(color="blue") this gives (item1, item2) queryset2 = Item.objects.filter(color="white") this gives (item2, item3) queryset1 & queryset2 gives me the empty set [] The OR operator works fine (I'm using "|" ) Why is this so?

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• How to Install two library CGNS for Fortran under WIndows XP

  - by user317368

  Hello, I have to install two libraries CGNS to use it in Fortan, but I don't understand how, the basic instructions are: To compile under MS Windows: configure.bat [options] then gmake if using GNU make, or nmake if using nmake. NOTE: This assumes that the cl compiler is in your path, and that the INCLUDE and LIB environment variables are set to include the directories containing the MSC include files and libraries. If not, you will need to use full path names to cl and link, and define INCLUDE and LIB in make.win32. You may also execute VCVARS32.BAT in the BIN directory of your VC installation to set these up prior to running nmake. so what i did was to: tape configure.bat it creates the rights files I set the news paths and lib, include for the cl.exe and link.exe but now the warning and error messages are about the clui.dll. cl -nologo -I. -Iadf -FoWIN32\cgns_error.obj -c cgns_error.c Cannot load language resource clui.dll what can i do now? I'm a beginner user in this field. Thankx Manal

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• nth smallest number among two databases of size n each using divide and conquer

  - by urfriend

  we have two databases of size n containing numbers without repeats. So, in total we have 2n elements. They can be accessed through a query to one database at a time. The query is such that you give it a k and it returns kth smallest entry in that database. we need to find nth smallest entry among all the 2n elements in O(logn) queries. the idea is to use divide and conquer but i need some help thinking through this. thanks!

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• Latex two captioned verbatim environments side-by-side

  - by egon

  How to get two verbatim environments inside floats with automatic captioning side-by-side? \usepackage{float,fancyvrb} ... \DefineVerbatimEnvironment{filecontents}{Verbatim}% {fontsize=\small, fontfamily=tt, gobble=4, frame=single, framesep=5mm, baselinestretch=0.8, labelposition=topline, samepage=true} \newfloat{fileformat}{thp}{lof}[chapter] \floatname{fileformat}{File Format} \begin{fileformat} \begin{filecontents} A B C \end{filecontents} \caption{example.abc} \end{fileformat} \begin{fileformat} \begin{filecontents} C B A \end{filecontents} \caption{example.cba} \end{fileformat} So basically I just need those examples to be side-by-side (and keeping automatic nunbering of caption). I've been trying for a while now.

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• Regular expression to match one of two video ID's in a Google Video URL

  - by Baldur

  I need to grab the video ID from a Google Video URL. There are two different types of URLs that I need to be able to match: http://video.google.com/videoplay?docid=-3498228245415745977# where I need to be able to match -3498228245415745977 (note the dash; -), and video.google.com/videoplay?docid=-3498228245415745977#docid=2728972720932273543 where I need to match 2728972720932273543. Is there any good regular expression that can match this? This is what I've got so far: @"docid=(-?\d{19}+)" since the video ID seems to be 19 characters except when it's prefixed with the dash. I'm using C# (of which I have very little experience) if that changes anything. P.s. I would also appreciate you review my regular expressions for YouTube (@"[\?&]v=([^&#])";), RedTube (@"/(\d{1,6})") and Vimeo (@"/(\d*)"). I do not expect users to enter the full URL and thus do not match the ^http://\\.?sitename+\\.\\w{2,3}.

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• use hg to synchronize my project between my two computer

  - by hguser

  Hi: I have two computer : the desktop in my company and the portable computer in my home. Now I want to use the hg to synchronize the project between them using a "USB removable disk". So I wonder how to implement it? THe pro in my desktop is : D:\work\mypro. I use the following command to init it: hg init Then I connect to the USB disk whose volume label is "H",and get a clone using: cd H: hg init hg clone D:\work\mypro mypro-usb ANd in my portable computer I use: cd D: hg clone H:\mypro-usb mypro-home However I do not know how to do if I modify some files(remove or add and modify) in the mypro-home,how to make the mypro-usb changed synchronizely,also I want the mypro in my desktop synchronizely. How to do it?

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• Scala class to implement two Java Interfaces - how?

  - by puudeli

  Hi, I have just started learning Scala and I'm now wondering how I could implement two different Java interfaces with one Scala class? Let's say I have the following interfaces written in Java public interface EventRecorder { public void abstract record(Event event); } public interface TransactionCapable { public void abstract commit(); } But a Scala class can extend only one class at a time. How can I have a Scala class that could fulfill both contracts? Do I have to map those interfaces into traits? Note, my Scala classes would be used from Java as I am trying to inject new functionality written in Scala into an existing Java application. And the existing framework expects that both interface contracts are fulfilled.

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• calculate intersection between two segments in a symmetric way

  - by Elazar Leibovich

  When using the usual formulas to calculate intersection between two 2D segments, ie here, if you round the result to an integer, you get non-symmetric results. That is, sometimes, due to rounding errors, I get that intersection(A,B)!=intersection(B,A). The best solution is to keep working with floats, and compare the results up to a certain precision. However, I must round the results to integers after calculating the intersection, I cannot keep working with floats. My best solution so far was to use some full order on the segments in the plane, and have intersection to always compare the smaller segment to the larger segment. Is there a better method? Am I missing something?

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• Two Tables Serving as one Model in Rails

  - by matsko

  Is is possible in rails to setup on model which is dependant on a join from two tables? This would mean that for the the model record to be found/updated/destroyed there would need to be both records in both database tables linked together in a join. The model would just be all the columns of both tables wrapped together which may then be used for the forms and so on. This way when the model gets created/updated it is just one form variable hash that gets applied to the model? Is this possible in Rails 2 or 3?

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• ASP.NET MVC: post-redirect-get pattern, with only two overloaded action methods

  - by Rafi

  Is it possible to implement post-redirect-get pattern, with two overloaded action methods(One for GET action and the other for POST action) in ASP.NET MVC. In all of the MVC post-redirect-get pattern samples, I have seen three different action methods for the post-redirect-get process, each having different names. Is this really required? For Eg:(Does the code shown below, follows Post-Redirect-Get pattern?) public class SalaryTransferController : Controller { // // GET: /SalaryTransfer/ [HttpGet] public ActionResult Index(int id) { SalaryTransferIndexViewModel vm = new SalaryTransferIndexViewModel(id) { SelectedDivision = DivisionEnum.Contracting }; //Do some processing here return View(vm); } // // POST: /SalaryTransfer/ [HttpPost] public ActionResult Index(SalaryTransferIndexViewModel vm) { bool validationsuccess = false; //validate if (validationsuccess) return RedirectToAction("Index", new {id=1234 }); else return View(vm); } } Thank you for your responses.

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• comparing two cursors in oracle instead of using MINUS

  - by Omnipresent

  The following query takes more than 3 minutes to run because tables contain massive amounts of data: SELECT RTRIM(LTRIM(A.HEAD)), A.EFFECTIVE_DATE, FROM TABLE_1 A WHERE A.TYPE_OF_ACTION='6' AND A.EFFECTIVE_DATE >= ADD_MONTHS(SYSDATE,-15) MINUS SELECT RTRIM(LTRIM(B.head)), B.EFFECTIVE_DATE, FROM TABLE_2 B In our system a query gets killed if it is running for more than 8 seconds. Is there a way to run the queries individually ..put them in cursors..compare and then get the results? that way each query will be ran individually rather than as one massive query which takes 3 minutes. How would two cursors be compared to mimic the MINUS?

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• filter that uses elements from two arrays at the same time

  - by Gacek

  Let's assume we have two arrays of the same size - A and B. Now, we need a filter that, for a given mask size, selects elements from A, but removes the central element of the mask, and inserts there corresponding element from B. So the 3x3 "pseudo mask" will look similar to this: A A A A B A A A A Doing something like this for averaging filter is quite simple. We can compute the mean value for elements from A without the central element, and then combine it with a proper proportion with elements from B: h = ones(3,3); h(2,2) =0; h = h/sum(h(:)); A_ave = filter2(h, A); C = (8/9) * A_ave + (1/9) * B; But how to do something similar for median filter (medfilt2 or even better for ordfilt2)

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• Double-tap or two single-taps?

  - by Jaka Jancar

  What is the time limit for two taps to be considered a double-tap, on the iPhone OS? // Edit: Why is this important? In order to handle single-tap and double-tap differently, Apple's guide says to do performSelector...afterDelay with some 'reasonable' interval on first tap (and cancel it later if the second tap is detected). The problem is that if the interval is too short (0.1), the single tap action will be performed even when double-tapping (if relying only on tapCount, that is). If it's too long (0.8), the user will be waiting unnecessarily for the single-tap to be recognized, when there is no possibility for a double-tap. It has to be exactly the correct number, in order to work optimally, but definitely not smaller, or there's a chance for bugs (simultaneous single-tap and double-tap).

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• problem with pagestate when two links in aspx page

  - by TT.LTT

  I have two links in my aspx page. one link "A" when i click it ...it is downloading some document when i click it other link "B" when I click it ....it redirects me to some other page. Both links triggers function from code behind. Both links works fine when i first come onto page but when i click A it shows me message to download it "open" "save" "cancel" problem is when i click cancel I remain on the same page but now no links work neither link A nor link B. I guess there is some problem with the state my page is in . How i can avoid this? Code so far: <asp:Linkbutton ID="linkbutton1" runat="server" Text="A" onClick="Codebehindmethod" /> <asp:Linkbutton ID="linkbutto2" runat="server" Text="B" onClick="Codebehindmethod1" >

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• Using Ant to merge two different properties files

  - by Justin

  I have a default properties file, and some deployment specific properties files that override certain settings from the default, based on deployment environment. I would like my Ant build script to merge the two properties files (overwriting default values with deployment specific values), and then output the resulting properties to a new file. I tried doing it like so but I was unsuccessful: <target depends="init" name="configure-target-environment"> <filterset id="application-properties-filterset"> <filtersfile file="${build.config.path}/${target.environment}/application.properties" /> </filterset> <copy todir="${web-inf.path}/conf" file="${build.config.path}/application.properties" overwrite="true" failonerror="true" > <filterset refid="application-properties-filterset" /> </copy> </target>

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• How to create Master/Detail view with two datagrids in ColdFusion

  - by Maklar

  In Coldfusion, I have Master and Detail data that I need to display in two separate cfgrids; like the typical Customers/Orders scenario. My cfgrids are bound to cfc functions which populate the cfgrids. In my current dataset, only one Customer has Orders and when I click on this record in the Master datagrid the Detail datagrid displays the related records. But when I click on a record in the Master datagrid that has no related detail records, the Detail datagrid does not refresh but maintains display of the previous data. Also the search icon within the datagrid's control panel indicates it is searching for values rather than displaying the Refresh icon. Can you please show me how to establish Master and Detail cfgrids where I can see Orders of Customers as I navigate through the Master datagrid? Any and all help will be greatly appreciated! Maklar

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• Select the first row in a join of two tables in one statement

  - by Oscar Cabrero

  hi i need to select only the first row from a query that joins tables A and B, on table B exist multiple records with same name. there are not identifiers in any of the two tables. i cannt change the scheme either because i do not own the DB TABLE A NAME TABLE B NAME DATA1 DATA2 Select Distinct A.NAME,B.DATA1,B.DATA2 From A Inner Join B on A.NAME = B.NAME this gives me NAME DATA1 DATA2 sameName 1 2 sameName 1 3 otherName 5 7 otherName 8 9 but i need to retrieve only one row per name NAME DATA1 DATA2 sameName 1 2 otherName 5 7 i was able to do this by adding the result into a temp table with a identity column and the select the Min Id per name. the problem here is that i require to do this in one single statement. this is a DB2 database thanks

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• Convert string to integer and multiply two integers

  - by demlasjr

  I have a big time trying to either convert a string into a integer or multiply two integers. I can't convert the string into integer because it's resulting me into a boolean (when I'm using var_dump). I can convert the other integer in string, but I'm unable to multiply it. I have this: <? $fees=$commerce->cart->get_total(); $payfee = str_replace('&nbsp;&euro;', '', $fees); $payfee = str_replace(',','', $payfee); //this is the string $fee = 0.025; $paypal = $payfee * $fee; //this thing is not working ?> I tried converting the payfee in integer, but still can't make it work. I did something like this before and worked well, but not this time. Any help will be appreciated. P.S Thank you to the whole stackoverflow.com community which helped me many times before.

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• Cluster analysis on two columns that contain name of person in R

  - by Alka Shah

  I am a beginner in R. I have to do cluster analysis in data that contains two columns with name of persons. I converted it in data frame but it is character type. To use dist() function the data frame must be numeric. example of my data: Interviewed.Type interviewed.Relation.Type 1. An1 Xuan 2. An2 The 3. An3 Ngoc 4. Bui Thi 5. ANT feed 7. Bach Thi 8. Gian1 Thi 9. Lan5 Thi . . . 1100. Xung Van I will be grateful for your help.

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• Overlapping two divs and 'clearing' their parent div

  - by brady8

  My CSS-fu is letting me down here: What I'd like to do is position two child divs to be overlapping: Using position: absolute; top: 0px; left: 0px; is the only way I know how, with the parent set to position: relative. The problem with this is that the child divs are taken out of the layout as per the CSS spec, shrinking the parent div to height: 0px, so that I can't clear that div and put any content below. My amazing ASCII art below details what I'm going for... any ideas? As an aside, I need these divs to be overlapping exactly for jQuery fades, and maybe trying out some of the new Webkit transforms, a la Apple's cardflip demo: http://developer.apple.com/safari/library/samplecode/CardFlip/Introduction/Intro.html If there's another way to get them overlapped exactly in CSS, I'm all ears. Thanks! |-------------------------------------------------| | Parent div | | |-------------------------------------------| | | | | | | | DIVS 1 & 2 (overlapped) | | | | | | | |-------------------------------------------| | |-------------------------------------------------| ...more content below, after clearing the parent...

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• Most useful techniques for two way data binding with js

  - by Perpetualcoder

  With abundance of web services and client side templating features of jQuery and likes, creating mashups or sites consuming a multitude of web services and posting data back to these services is becoming exceedingly popular. For a page of decent size with this kind of architecture, say a dashboard. What are the useful techniques of maintaining this client side state. In other words whats are some of the ways to do two way databinding? Sample scenario: Get Data From Service as JSON/XML Display/Bind on UI Capture User Input Recreate request from the UI controls/html Post Data To Service Get Response and Rebind

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• Rotation of two objects in relation

  - by DMan

  I've got a two sprites- I'll say I have a swing and a person. The swing 'swings' back and forth as I passed a rotation variable into spriteBatch.Draw(). Now I want my person to 'sit' on the swing, and am not sure of how to approach it. Since I want a relative to the swing sprite, I tried personPos=swingPos, but that obviously doesn't work as the swing's position is always the same (it's anchored to a point and swings from there). How would I make the person sprite follow the swinging part of the swing sprite, if that makes any sense?

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