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  • [Django] One single page to create a Parent object and its associated child objects

    - by ahmoo
    Hi all, This is my very first post on this awesome site, from which I have been finding answers to a handful of challenging questions. Kudos to the community! I am new to the Django world, so am hoping to find help from some Django experts here. Thanks in advance. Item model: class Item(models.Model): name = models.CharField(max_length=50) ItemImage model: class ItemImage(models.Model): image = models.ImageField(upload_to=get_unique_filename) item = models.ForeignKey(Item, related_name='images') As you can tell from the model definitions above, every Item object can have many ItemImage objects. My requirements are as followings: A single web page that allows users to create a new Item while uploading the images associated with the Item. The Item and the ItemImages objects should be created in the database all together, when the "Save" button on the page is clicked. I have created a variable in a custom config file, called NUMBER_OF_IMAGES_PER_ITEM. It is based on this variable that the system generates the number of image fields per item. Questions: What should the forms and the template be like? Can ModelForm be used to achieve the requirements? For the view function, what do I need to watch out other than making sure to save Item before ItemImage objects?

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  • Cache Class compilation error using parent-child relationships and cache sql storage

    - by Fred Altman
    I have the global listed below that I'm trying to create a couple of cache classes using sql stoarage for: ^WHEAIPP(1,26,1)=2 ^WHEAIPP(1,26,1,1)="58074^^SMSNARE^58311" 2)="58074^59128^MPHILLIPS^59135" ^WHEAIPP(1,29,1)=2 ^WHEAIPP(1,29,1,1)="58074^^SMSNARE^58311" 2)="58074^59128^MPHILLIPS^59135" ^WHEAIPP(1,93,1)=2 ^WHEAIPP(1,93,1,1)="58884^^SSNARE^58948" 2)="58884^59128^MPHILLIPS^59135" ^WHEAIPP(1,166,1)=2 ^WHEAIPP(1,166,1,1)="58407^^SMSNARE^58420" 2)="58407^59128^MPHILLIPS^59135" ^WHEAIPP(1,324,1)=2 ^WHEAIPP(1,324,1,1)="58884^^SSNARE^58948" 2)="58884^59128^MPHILLIPS^59135" ^WHEAIPP(1,419,1)=3 ^WHEAIPP(1,419,1,1)="59707^^SSNARE^59708" 2)="59707^^MPHILLIPS^59910,58000^^^^" 3)="59707^59981^SSNARE^60117,53241^^^^" The first two subscripts of the global (Hmo and Keen) make a unique entry. The third subscript (Seq) has a property (IppLineCount) which is the number of IppLines in the fourth subscript level (Seq2). I create the class WIppProv below which is the parent class: /// <PRE> /// ============================ /// Generated Class Definition /// Table: WMCA_B_IPP_PROV /// Generated by: FXALTMAN /// Generated on: 05/21/2012 13:46:41 /// Generator: XWESTblClsGenV2 /// ---------------------------- /// </PRE> Class XFXA.MCA.WIppProv Extends (%Persistent, %XML.Adaptor) [ ClassType = persistent, Inheritance = right, ProcedureBlock, StorageStrategy = SQLMapping ] { /// .HMO Property Hmo As %Integer; /// .KEEN Property Keen As %Integer; /// .SEQ Property Seq As %String; Property IppLineCount As %Integer; Index iMaster On (Hmo, Keen, Seq) [ IdKey, Unique ]; Relationship IppLines As XFXA.MCA.WIppProvLine [ Cardinality = many, Inverse = relWIppProv ]; <Storage name="SQLMapping"> <DataLocation>^WHEAIPP</DataLocation> <ExtentSize>1000000</ExtentSize> <SQLMap name="DBMS"> <Data name="IppLineCount"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>1</Piece> </Data> <Global>^WHEAIPP</Global> <PopulationType>full</PopulationType> <Subscript name="1"> <AccessType>Sub</AccessType> <Expression>{Hmo}</Expression> <LoopInitValue>1</LoopInitValue> </Subscript> <Subscript name="2"> <AccessType>Sub</AccessType> <Expression>{Keen}</Expression> </Subscript> <Subscript name="3"> <AccessType>Sub</AccessType> <LoopInitValue>1</LoopInitValue> <Expression>{Seq}</Expression> </Subscript> <Type>data</Type> </SQLMap> <StreamLocation>^XFXA.MCA.WIppProvS</StreamLocation> <Type>%Library.CacheSQLStorage</Type> </Storage> } This class compiles fine. Next I created the WIppProvLine class listed below and made a parent-child relationship between the two: /// Used to represent a single line of IPP data Class XFXA.MCA.WIppProvLine Extends (%Persistent, %XML.Adaptor) [ ClassType = persistent, Inheritance = right, ProcedureBlock, StorageStrategy = SQLMapping ] { /// .CLM_AMT_ALLOWED node: 0 piece: 6<BR> /// This field should be used in conjunction with the Claim Operator field to /// define a whole claim dollar amount at which a particular claim should be /// flagged with a Pend status. Property ClmAmtAllowed As %String; /// .CLM_LINE_AMT_ALLOWED node: 0 piece: 8<BR> /// This field should be used in conjunction with the Clm Line Operator field to /// define a claim line dollar amount at which a particular claim should be flagged /// with a Pend status. Property ClmLineAmtAllowed As %String; /// .CLM_LINE_OP node: 0 piece: 7<BR> /// A new Table/Column Reference that gives the SIU (Special Investigative Unit) /// the ability to look for claim line dollars above, below, or equal to a set /// amount. Property ClmLineOp As %String; /// .CLM_OP node: 0 piece: 5<BR> /// A new Table/Column Reference that gives the SIU (Special Investigative Unit) /// the ability to look for claim dollars above, below, or equal to a set amount. Property ClmOp As %String; Property EffDt As %Date; Property Hmo As %Integer; /// .IPP_REASON node: 0 piece: 10<BR> /// IPP Reason Code Property IppCode As %Integer; Property Keen As %Integer; /// .LAST_CHG_DT node: 0 piece: 4<BR> /// Last Changed Date Property LastChgDt As %Date; /// .PX_DX_CDE_FLAG node: 0 piece: 9<BR> /// A Flag to indicate whether or not Procedure Codes or Diagnosis Codes are to be /// associated with this SIU Flag Type Entry. If the Flag = Y, then control would /// jump to a new screen where the user can enter the necessary codes. Property PxDxCdeFlag As %String; Property Seq As %String; Property Seq2 As %String; Index iMaster On (Hmo, Keen, Seq, Seq2) [ IdKey, PrimaryKey, Unique ]; /// .TERM_DT node: 0 piece: 2<BR> /// Term Date Property TermDt As %Date; /// .USER_INI node: 0 piece: 3 Property UserIni As %String; Relationship relWIppProv As XFXA.MCA.WIppProv [ Cardinality = one, Inverse = IppLines ]; Index relWIppProvIndex On relWIppProv; //Index NewIndex1 On (RelWIppProv, Seq2) [ IdKey, PrimaryKey, Unique ]; <Storage name="SQLMapping"> <ExtentSize>1000000</ExtentSize> <SQLMap name="DBMS"> <ConditionalWithHostVars></ConditionalWithHostVars> <Data name="ClmAmtAllowed"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>6</Piece> </Data> <Data name="ClmLineAmtAllowed"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>8</Piece> </Data> <Data name="ClmLineOp"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>7</Piece> </Data> <Data name="ClmOp"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>5</Piece> </Data> <Data name="EffDt"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>1</Piece> </Data> <Data name="Hmo"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>11</Piece> </Data> <Data name="IppCode"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>10</Piece> </Data> <Data name="LastChgDt"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>4</Piece> </Data> <Data name="PxDxCdeFlag"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>9</Piece> </Data> <Data name="TermDt"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>2</Piece> </Data> <Data name="UserIni"> <Delimiter>"^"</Delimiter> <Node>+0</Node> <Piece>3</Piece> </Data> <Global>^WHEAIPP</Global> <Subscript name="1"> <AccessType>Sub</AccessType> <Expression>{Hmo}</Expression> <LoopInitValue>1</LoopInitValue> </Subscript> <Subscript name="2"> <AccessType>Sub</AccessType> <Expression>{Keen}</Expression> <LoopInitValue>1</LoopInitValue> </Subscript> <Subscript name="3"> <AccessType>Sub</AccessType> <Expression>{Seq}</Expression> <LoopInitValue>1</LoopInitValue> </Subscript> <Subscript name="4"> <AccessType>Sub</AccessType> <Expression>{Seq2}</Expression> <LoopInitValue>1</LoopInitValue> </Subscript> <Type>data</Type> </SQLMap> <StreamLocation>^XFXA.MCA.WIppProvLineS</StreamLocation> <Type>%Library.CacheSQLStorage</Type> </Storage> } When I try to compile this one I get the following error: ERROR #5502: Error compiling SQL Table 'XFXA_MCA.WIppProvLine %msg: Table XFXA_MCA.WIppProvLine has the following unmapped (not defined on the data map) fields: relWIppProv' ERROR #5030: An error occurred while compiling class XFXA.MCA.WIppProvLine Detected 1 errors during compilation in 2.745s. What am I doing wrong? Thanks in Advance, Fred

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  • Reflection - SetValue of array within class?

    - by Jaymz87
    OK, I've been working on something for a while now, using reflection to accomplish a lot of what I need to do, but I've hit a bit of a stumbling block... I'm trying to use reflection to populate the properties of an array of a child property... not sure that's clear, so it's probably best explained in code: Parent Class: Public Class parent Private _child As childObject() Public Property child As childObject() Get Return _child End Get Set(ByVal value As child()) _child = value End Set End Property End Class Child Class: Public Class childObject Private _name As String Public Property name As String Get Return _name End Get Set(ByVal value As String) _name = value End Set End Property Private _descr As String Public Property descr As String Get Return _descr End Get Set(ByVal value As String) _descr = value End Set End Property End Class So, using reflection, I'm trying to set the values of the array of child objects through the parent object... I've tried several methods... the following is pretty much what I've got at the moment (I've added sample data just to keep things simple): Dim Results(1) As String Results(0) = "1,2" Results(1) = "2,3" Dim parent As New parent Dim child As childObject() = New childObject() {} Dim PropInfo As PropertyInfo() = child.GetType().GetProperties() Dim i As Integer = 0 For Each res As String In Results Dim ResultSet As String() = res.Split(",") ReDim child(i) Dim j As Integer = 0 For Each PropItem As PropertyInfo In PropInfo PropItem.SetValue(child, ResultSet(j), Nothing) j += 1 Next i += 1 Next parent.child = child This fails miserably on PropItem.SetValue with ArgumentException: Property set method not found. Anyone have any ideas? @Jon :- Thanks, I think I've gotten a little further, by creating individual child objects, and then assigning them to an array... The issue is now trying to get that array assigned to the parent object (using reflection). It shouldn't be difficult, but I think the problem comes because I don't necessarily know the parent/child types. I'm using reflection to determine which parent/child is being passed in. The parent always has only one property, which is an array of the child object. When I try assigning the child array to the parent object, I get a invalid cast exception saying it can't convert Object[] to . EDIT: Basically, what I have now is: Dim PropChildInfo As PropertyInfo() = ResponseObject.GetType().GetProperties() For Each PropItem As PropertyInfo In PropChildInfo PropItem.SetValue(ResponseObject, ResponseChildren, Nothing) Next ResponseObject is an instance of the parent Class, and ResponseChildren is an array of the childObject Class. This fails with: Object of type 'System.Object[]' cannot be converted to type 'childObject[]'.

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  • Loading a ConfigurationSection with a required child ConfigurationElement with .Net configuration fr

    - by Vadim Rybak
    I have a console application that is trying to load a CustomConfigurationSection from a web.config file. The custom configuration section has a custom configuration element that is required. This means that when I load the config section, I expect to see an exception if that config element is not present in the config. The problem is that the .NET framework seems to be completely ignoring the isRequired attribute. So when I load the config section, I just creates an instance of the custom configuration element and sets it on the config section. My question is, why is this happening? I want the GetSection() method to fire a ConfigurationErrors exception since a required element is missing from the configuration. Here is how my config section looks. public class MyConfigSection : ConfigurationSection { [ConfigurationProperty("MyConfigElement", IsRequired = true)] public MyConfigElement MyElement { get { return (MyConfigElement) this["MyConfigElement"]; } } } public class MyConfigElement : ConfigurationElement { [ConfigurationProperty("MyAttribute", IsRequired = true)] public string MyAttribute { get { return this["MyAttribute"].ToString(); } } } Here is how I load the config section. class Program { public static Configuration OpenConfigFile(string configPath) { var configFile = new FileInfo(configPath); var vdm = new VirtualDirectoryMapping(configFile.DirectoryName, true, configFile.Name); var wcfm = new WebConfigurationFileMap(); wcfm.VirtualDirectories.Add("/", vdm); return WebConfigurationManager.OpenMappedWebConfiguration(wcfm, "/"); } static void Main(string[] args) { try{ string path = @"C:\Users\vrybak\Desktop\Web.config"; var configManager = OpenConfigFile(path); var configSection = configManager.GetSection("MyConfigSection") as MyConfigSection; MyConfigElement elem = configSection.MyElement; } catch (ConfigurationErrorsException ex){ Console.WriteLine(ex.ToString()); } } Here is what my config file looks like. <?xml version="1.0"?> <configuration> <configSections> <section name="MyConfigSection" type="configurationFrameworkTestHarness.MyConfigSection, configurationFrameworkTestHarness" /> </configSections> <MyConfigSection> </MyConfigSection> The wierd part is that if I open the config file and load the section 2 times in a row, I will get the exception that I expect. var configManager = OpenConfigFile(path); var configSection = configManager.GetSection("MyConfigSection") as MyConfigSection; configManager = OpenConfigFile(path); configSection = configManager.GetSection("MyConfigSection") as MyConfigSection; If I use the code above, then the exception will fire and tell me that MyConfigElement is required. The question is Why is it not throwing this exception the first time??

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  • Jquery galleria - make the first image in the gallery appear automatically

    - by Agrajag
    I've added the excellent galleria-plugin to a website I'm working on. However unlike the demo, I've been unable to make the first image display automatically on page-load. Currently, you have to click an image, before one will appear, after that everything works as expected. And yes, I've tried setting the class of the first image to "active", but without that having any effect. Is there anything obvious I'm missing ? There's a live example at: http://kaciekimber.co.za/property/r8453d

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  • UITextView inside UIScrollView is not First Responder

    - by Sheehan Alam
    I have a UITextView on a View that becomes the first responder. When I embed the UITextView inside of a UIScrollView in Interface Builder the UITextView is no longer the first responder. I am not sure what has changed? - (void)viewDidLoad { [super viewDidLoad]; [scrollView setContentSize:CGSizeMake(540,620)]; composeTextView.delegate = self; [composeTextView becomeFirstResponder]; }

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  • First character uppercase LUA

    - by Tomek
    Hi anyone know if theres a function to make the first character in a word uppercase (like ucfirst in php) and how how i impent it in this? I want keywords[1] to be first letter uppercase It says string.upper does it but i maked the whole word uppercase

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  • NSUserDefaults not present on first run on simulator

    - by Ben Collins
    I've got some settings saved in my Settings.bundle, and I try to use them in application:didFinishLaunchingWithOptions, but on a first run on the simulator accessing objects by key always returns nil (or 0 in the case of ints). Once I go to the settings screen and then exit, they work fine for every run thereafter. What's going on? Isn't the point of using default values in the Settings.bundle to be able to use them without requiring the user to enter them first?

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  • Recursive breadth first tree traversal

    - by dugogota
    I'm pulling my hair out trying to figure out how to implement breadth first tree traversal in scheme. I've done it in Java and C++. If I had code, I'd post it but I'm not sure how exactly to begin. Given the tree definition below, how to implement breadth first search using recursion? (define tree1 '( A ( B (C () ()) (D () ()) ) (E (F () ()) (G () ())) )) Any help, any, is greatly appreciated.

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  • FPDF in PHP, setX just indents first row

    - by Cinaird
    I use FPDF to creat PDF from PHP and i have a problem with the Write() function i use the following code and i want to indent the text block not just the first row: $pdf->SetX(60); $pdf->Write(5,'' . str_repeat( ' This is a test of setX.', 30 )); but as you can understand it's just indents the first row, any idea on how to move the whole text mas?

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  • Java regex return after first match

    - by user216915
    hi how do i return after the first match of regular expression? (does the Matcher.find() method do that? ) say I have a string "abcdefgeee". I want to ask the regex engine stop finding immediately after it finds the first match of "e" for example. I am writing a method to return true/false if the pattern is found and i don't want to find the whole string for "e". (I am looking for a regex solution ) thanks

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  • How to do test-first development with MVVM

    - by Thorsten79
    How do you build WPF MVVM applications and user controls test-first? I find myself writing ungodly amounts of XAML with DataTemplates before I even get to unit-testing my viewmodels. Should I develop the whole viewmodel system first before even writing XAML for it? Any help appreciated.

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  • First Party and Third Party Cookie

    - by ajithperuva
    I want to create a analysis project (just like google analysis),for getting conversion rate and track visitor count.How can we create first party cookie and third party cookie using php.Actually, how can we identify our third party and first party cookie.Need to follow any type of standard for identify them?if anybody know please give me some idea about it...please

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  • Deleting first item of a $_COOKIE array

    - by Mike Burke
    if I add an item to the $_COOKIE array as such: setcookie("favorites[]", "value", time()+3600); I can delete any item from the $_COOKIE[favorites] array like this: setcookie("favorites[$deletekey]", "", time()+3600); EXCEPT the first one added so this does not work: setcookie("favorites[0]", "", time()+3600*24); How can I delete the first one and leave others intact?

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  • Find First Specific Byte in a Byte[] Array c#

    - by divinci
    Hi there, I have a byte array and wish to find the first occurance (if any) of a specific byte. Can you guys help me with a nice, elegant and efficient way to do it? /// Summary /// Finds the first occurance of a specific byte in a byte array. /// If not found, returns -1. public int GetFirstOccurance(byte byteToFind, byte[] byteArray) { }

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  • Pass first element of jsp list to javascript

    - by Lucian Enache
    Ok so I'm trying to access the first element of a JSP list, here's what I've come up with so far without any kind of luck: onclick="alert('<%=list[0]%>');" What's the best approach to access the first element and eventually to pass it to a javascript variable/function ? I've heard that the <% %> tags are deprecated and some are suggesting relaying on JSTL/EL how can one use those without having to iterate the entire list and put a breakpoint for the iterators ?

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  • How did you get your first programming job?

    - by Gaz
    Hi All, I have some commercial programming experience although it was not my primary role (C# and Java), SCJP 6 cert, some SQL experience and have been doing a lot of Android programming (I have one app with 36,000 downloads). I have a degree in Chemistry and a Diploma in Programming (half a degree made up of 2nd/3rd year uni courses). I'm trying to get my first entry level programmer job but am finding it tough out there.......How did other people get there first jobs in programming?

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