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• BigDecimal precision not persisted with javax.persistence annotations

  - by dkaczynski

  I am using the javax.persistence API and Hibernate to create annotations and persist entities and their attributes in an Oracle 11g Express database. I have the following attribute in an entity: @Column(precision = 12, scale = 9) private BigDecimal weightedScore; The goal is to persist a decimal value with a maximum of 12 digits and a maximum of 9 of those digits to the right of the decimal place. After calculating the weightedScore, the result is 0.1234, but once I commit the entity with the Oracle database, the value displays as 0.12. I can see this by either by using an EntityManager object to query the entry or by viewing it directly in the Oracle Application Express (Apex) interface in a web browser. How should I annotate my BigDecimal attribute so that the precision is persisted correctly? Note: We use an in-memory HSQL database to run our unit tests, and it does not experience the issue with the lack of precision, with or without the @Column annotation.

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• The type already contains a definition for 'Zehut'

  - by iTayb

  The problem exists in my editme.aspx page. Error 1 The type 'editme' already contains a definition for 'Zehut' C:\Documents and Settings\Itay.ITAYB-5A14B8105\My Documents\Visual Studio 2008\WebSites\WebSite2\editme.aspx.cs 110 20 C:\...\WebSite2\ Error 3 Ambiguity between 'editme.Zehut' and 'editme.Zehut(object, System.Web.UI.WebControls.ServerValidateEventArgs)' C:\Documents and Settings\Itay.ITAYB-5A14B8105\My Documents\Visual Studio 2008\WebSites\WebSite2\editme.aspx.cs 44 13 C:\...\WebSite2\ I can't understand where there is a second Zehut method. This is the only zehut method in the whole file. Here is the code: http://pastebin.com/xzDcg1RB It happened just out of the blue. It worked fine for a month or so.

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• Detecting first time login of user into application (Google Appengine)

  - by Jake

  My app requires users to login using their google account. I have this set in my App.yamp file: url: /user/.* script: user.py login: required Now when any user tries to access files under /user/secret.py he will need to authenticate via google, which will redirect the user back to /user/secret.py after successful authentication. Now the problem I am facing is when the user is redirected back to the app, I cannot be sure if this is the first time the user has logged in or is it a regular user to my site who has come back again from just the user object which google passes using users.get_current_user() . I thus need to maintain state in the datastore to check if the user already exists or not everytime. If he does not exist i need to create a new entry with other application specific settings. My question is: Is there some easier way to handle this? without having to query the datastore to figure if this is a first time user or a regular one?

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• HTTP Builder/Groovy - get source text _and_ XmlSlurper output?

  - by Misha Koshelev

  Dear All: I am reading here: http://groovy.codehaus.org/modules/http-builder/doc/get.html I seem to be able to get i) XMLSlurper output as parsed by NekoHTML using: def http = new HTTPBuilder('http://www.google.com') def html = http.get( path : '/search', query : [q:'Groovy'] ) ii) Raw text using: http.get( path : '/search', contentType : TEXT, query : [q:'Groovy'] ) { resp, reader -> println "response status: ${resp.statusLine}" println 'Headers: -----------' resp.headers.each { h -> println " ${h.name} : ${h.value}" } println 'Response data: -----' System.out << reader println '\n--------------------' } I am having some trouble and would like to get BOTH (i) and (ii) to debug my XmlSlurper code on the actual html I am getting. Any suggestions how I might go about doing this? I can easily instantiate an XmlSlurper object with the relevant string using the parseString(string) method or the parse(reader) method, but I cannot seem to get the Neko processing step correct. Any hints? Thank you! Misha

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• Avoiding exceptions when uploading files in laravel

  - by occam98

  I've got a file upload field (attachment1) in a form that may or may not have a file uploaded in it when I process the form in laravel. When I'm trying to process the page, this line generates an exception: Input::upload('attachment1',path('storage').'attachments/'.$name); Here is the text of the exception: Message: Call to a member function move() on a non-object it seems that I need to check in advance to see if 'attachment1' has a file, and I found that the function Input::has_file('attachment1') is supposed to tell me whether or not 'attachment1' has a file, but even when I submit an empty form, it returns true. Also, from reading documentation, it seems that Input::upload is supposed to just return false when trying to upload a non-existant file, so why does it produce this exception instead, and how can I fix it?

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• Processing potentially large STDIN data, more than once

  - by d11wtq

  I'd like to provide an accessor on a class that provides an NSInputStream for STDIN, which may be several hundred megabytes (or gigabytes, though unlikely, perhaps) of data. When I caller gets this NSInputStream it should be able to read from it without worrying about exhausting the data it contains. In other words, another block of code may request the NSInputStream and will expect to be able to read from it. Without first copying all of the data into an NSData object which (I assume) would cause memory exhaustion, what are my options for handling this? The returned NSInputStream does not have to be the same instance, it simply needs to provide the same data. The best I can come up with right now is to copy STDIN to a temporary file and then return NSInputStream instances using that file. Is this pretty much the only way to handle it? Is there anything I should be cautious of if I go the temporary file route?

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• Groovy: How to access objects with Id tag?

  - by skifan0

  Hello, I have the following Groovy+SwingBuilder code. In one panel I generate checkboxes and in another panel I want to access the values of the checkboxes. The code looks basically likes this: def optionsmap = [ foo : "value_foo", bar : "value_bar"] SwingBuilder.build() { frame(title:'demo1', size:[400,700], visible:true, defaultCloseOperation:WC.EXIT_ON_CLOSE) { gridLayout(rows: 1, cols: 2) panel(id:'optionPanel', constraints:java.awt.BorderLayout.CENTER) { gridLayout(rows: 5, cols: 1) myGroup = buttonGroup(); for (entry in optionsmap) { checkBox(id: entry.key, text: entry.value ) } } panel(constraints:java.awt.BorderLayout.WEST) { button ('Show values', actionPerformed: { for (entry in optionsmap) { println (entry.key as Class).text } }) } } } optionsmap is a map with (id, text) pairs that can be extended. When I press "show values" I get an error message: org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'foo' with class 'java.lang.String' to class 'java.lang.Class' How could I access the checkboxes for my action in the second panel by using the checkbox ids from optionsmap? Thank you if you can help

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• VB.net, disable proxy for entire program

  - by Brent

  Ever since upgrading to Visual Studio 2010, I'm running into an issue where the first web request of any type (WebRequest, WebClient, etc.) hangs for about 20 seconds before completing. Subsequent calls work quickly. I've narrowed down the problem to a proxy issue. If I manually disable proxy settings, I don't experience this delay: Dim wrq As WebRequest = WebRequest.Create(Url) wrq.Proxy = Nothing What's strange is that there are no proxy settings enabled on this machine in Internet Options. What I'm wondering is if there is a way to disable proxy settings for my entire project in one shot without explicitly disabling as above for every web object. The main reason I want to be able to do this is that I'm trying to use an API (http://code.google.com/p/google-api-for-dotnet/) which uses web requests, but does not provide any way to manually disable proxy settings. Can anyone point me in the right direction? Thanks!

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• WCF: Use a Message Contract to make a Soap Header

  - by Vaccano

  I need to add a soap header to my web service. I plan to use this to validate my clients (Windows Mobile Devices). I found this link: http://www.c-sharpcorner.com/UploadFile/rog_21/soapheaders05172007120046PM/soapheaders.aspx Which is exactly what I want to do. But it is not written for WCF. I have done some research and I seem to be paralyzed by the number of options. I basically want to add a simple header to my soap object that will be a user name and password. The client does not use WCF, so the soap header needs to just be a normal soap header. Any Sample code or shoves in the right direction would be appreciated.

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• Adjusting ComboBox DropDown Width in C#

  - by Jim Fell

  Hello. I have this code that adjusts the width of a comboBox drop-down: private void comboBox_DropDown(object sender, EventArgs e) { ComboBox senderComboBox = (ComboBox)sender; int width = senderComboBox.DropDownWidth; Graphics g = senderComboBox.CreateGraphics(); Font font = senderComboBox.Font; int vertScrollBarWidth = (senderComboBox.Items.Count > senderComboBox.MaxDropDownItems) ? SystemInformation.VerticalScrollBarWidth : 0; int newWidth; foreach (string s in ((ComboBox)sender).Items) { newWidth = (int)g.MeasureString(s, font).Width + vertScrollBarWidth; if (width < newWidth) { width = newWidth; } } senderComboBox.DropDownWidth = width; } It works great, except it expands the width of the drop-down to the right, whereas I would prefer it to expand to the left because the comboBox is located on the right side of my form. Any thoughts or suggestions you may have would be appreciated. Thanks.

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• Amazon S3 Add METADATA to existing KEY

  - by Daveo

  In S3 REST API I am adding metadata to an existing object by using the PUT (Copy) command and copying a key to the same location with 'x-amz-metadata-directive' = 'REPLACE' What I want to do is change the download file name by setting: Content-Disposition: attachment; filename=foo.bar; This sets the metadata correctly but when I download the file it still uses the keyname instead of 'foo.bar' I use a software tool S3 Browser to view the metadata and it looks correct (apart from 'Content-Disposition' being all lower case as that's was S3 ask me to sign) Then using S3 Browser I just pressed, then save without changing anything and now it works??? What am I missing how come setting a metadata 'Content-Disposition: attachment; filename=foo.bar;' from my web app does not work but does work from S3 Browser?

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• check for naming convention in java.

  - by Vivart

  through java reflection how to check that method name is in camelCase? e.g. import java.lang.reflect.*; public class TestClass { private int simpleMethod( Object p, int x) throws NullPointerException { if (p == null) throw new NullPointerException(); return x; } public static void main(String args[]) { try { Class cls = Class.forName("method1"); Method methlist[] = cls.getDeclaredMethods(); for (int i = 0; i < methlist.length; i++) { Method m = methlist[i]; System.out.println("name= " + m.getName()); } } catch (Throwable e) { System.err.println(e); } } } here i am getting method names simpleMethod and main i have to check that these names are in camelCase.

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• NHibernate Criteria - How to filter on combination of properties

  - by DavGarcia

  I needed to filter a list of results using the combination of two properties. A plain SQL statement would look like this: SELECT TOP 10 * FROM Person WHERE FirstName + ' ' + LastName LIKE '%' + @Term + '%' The ICriteria in NHibernate that I ended up using was: ICriteria criteria = Session.CreateCriteria(typeof(Person)); criteria.Add(Expression.Sql( "FirstName + ' ' + LastName LIKE ?", "%" + term + "%", NHibernateUtil.String)); criteria.SetMaxResults(10); It works perfectly, but I'm not sure if it is the ideal solution since I'm still learning about NHibernate's Criteria API. What are the recommended alternatives? Is there something besides Expression.Sql that would perform the same operation? I tried Expression.Like but couldn't figure out how to combine the first and last names. Should I map a FullName property to the formula "FirstName + ' ' + LastName" in the mapping class? Should I create a read only FullName property on the domain object then map it to a column?

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• jquery: why a selector returns me an array, but attribute doesnt?

  - by Shlomi.A.

  Hi. I'm trying to understand JQ better. I'm calling an JQ object $(".FamiliesList li li span[class!='']").prev().find('option:selected') this returns back to me an array of all the options that their span parent's brother has a classname. [option, option] Now- I want to return back an array of the option's values $(".FamiliesList li li span[class!='']").prev().find('option:selected').attr('value') this returns back to me only the first child value, and a full array of the values. Why? I would appreciate to receive help and understand jq better :) Thanks.

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• FxCop CA2000 Warning in UserControls

  - by esjr

  Running FxCop on a WebProject that contains a UserControl will result in a CA2000 Warning (Call System.IDisposable.Dispose on object) for every ServerControl (Label, TextBox,...) in that UserControl. I understand why this would happen. Replacing the 'offending' ServerControls with a PlaceHolder and then adding the Controls in code (Using...End Using) might be a way around that, but it is not always an option.But, if they are not 'kosher' why have ServerControls you can drop in your ascx/aspx in the first place ?Am I missing something ? If, like in my case, you inherit a sizeable collection of fairly complex UserControls, do I now add every 'offending' Control to the GlobalSupperssions file (that's a lot of mind numbing right-clicking) ?I do not want to suppress all CA2000 warnings since it makes perfect sense to fix them, but not in the case of ServerControls in UserControls.

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• Appscript to write iTunes artwork

  - by Kartik Aiyer

  I'm trying to capture artwork from a pict file and embed into a track on iTunes using python appscript. I did something like this: imFile = open('/Users/kartikaiyer/temp.pict','r') data = imFile.read() it = app('iTunes') sel = it.current_track.get() sel.artworks[0].data_.set(data[513:]) I get an error OSERROR: -1731 MESSAGE: Unknown object Similar applescript code looks like this: tell application "iTunes" set the_artwork to read (POSIX file "/Users/kartikaiyer/temp.pict") from 513 as picture set data of artwork 1 of current track to the_artwork end tell I tried using ASTranslate but it never instantiates 'the_artwork' and then throws an error when there is a reference to the_artwork. Can anyone help. I'm new to appscript and python in general.

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• Zend AMF throwing InvocationTargetException

  - by Roopesh Shenoy

  Hi, I am trying to make a service call to a php function from flex, through Zend AMF. Most of the functions get called fine, but for one particular function, it throws the following exception: InvocationTargetException:There was an error while invoking the operation. Check your operation inputs or server code and try invoking the operation again. Reason: Fatal error: Call to a member function getInvokeArguments() on a non-object in D:\wamp\www\ZendFramework\library\Zend\Amf\Server.php on line 328 I am not able to debug through this - has anyone faced any issue like this before, or have any ideas how this can be debugged?

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• Is that a RESTFUL MVC Web Service?

  - by vsj

  I am aware of Web Services and WCF but I have generic question with services.I have a ASP.NET MVC Application which does some basic functionality. I just have a controller in which I am passing it the records and serializing the information to XML using XML Serializer. Then I return this information to the browser and it displays me the XML i got from the Controller Action. So I get the XML representation of my Class(Database Object) in XML and I am to give the URL of this application to the client and access and pull the information. Is this a Service then? I mean in the end all the Clients need is the Xml representation through services also right? I am not that experienced and probably being very silly but please help me out...if I provide xml this way to the client is that a Service ? Or is there something I need to undersatand here?.

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• ASP.NET Nested Repeater Accessing elements

  - by Rich

  I have a list of Accommodation objects bound to a Repeater, and then a nested Repeater which has the various attendee groups listed [e.g. Default, Seniors, Juniors]. This is all output fine, with the values displayed as LinkButtons, which when clicked gets sent to a code-behind event handler. Here is an example of the output to give you a picture [with some er... interesting attendee group names]: In the event handler, I test the object parameter to see which Repeater has been sent, as the outer repeater's links can also be clicked [so the Accommodation would be set, but no Attendee Group]. Is there a way to get a HiddenField from the outer RepeaterItem that contains the currently clicked inner repeater's LinkButton? E.g. From the image, I click the Attending link in the Women section. So the EventArgs via FindControl can get me the hidden field which contains the Attendee Group's ID, which is good, but I also need the Accommodation ID [to know whether it was either Wimbledon Hotel Inn or New Acc]

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• VB.NET WebBrowser control not navigating to a local document

  - by blerh

  I have this code set up to navigate to a certain .html document depending on what's selected from a ListBox: Private Sub FileList_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FileList.SelectedIndexChanged HelpWindow.Navigate(System.AppDomain.CurrentDomain.BaseDirectory & "help\" & fileArray(FileList.SelectedIndex, 1)) End Sub The problem is, when I first select something in the ListBox, it successfully navigates to that file and displays it. But when I select something a second time it doesn't change. All of the paths it's trying to navigate to are correct. I've checked this 1000 times. Anyone have any clues why this isn't working? Thank you.

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• Three20 - add items to launcherView after viewDidLoad

  - by lostInTransit

  Hi I am getting a list of image URLs and corresponding names at run time in my app. I would like to add these images to a TTLauncherView object that I have. Cannot add these in loadView. I am making a call to the method for getting my data in a separate thread. Once the thread completes, I add the TTLauncherItem objects to an array and set the "pages" variable of the LauncherView. But for some reason, the view is not updated and I don't see anything on it. Can someone please let me know how to refresh the launcherview after adding items to it in methods other than loadView? Thanks.

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• R: ggplot2, how to add a number of layers to a plot at once to reduce code

  - by John

  library(ggplot2) This code produces a nice looking plot: qplot(cty, hwy, data = mpg, colour = displ) + scale_y_log2() + labs(x="x axis") + labs(y="y axis") + opts(title = "my title") But I want to setup variables to try and to reduce code repetition: log_scale <- scale_y_log2() xscale <- labs(x="x axis") yscale <- labs(y="y axis") title <- opts(title = "my title") my_scales <- c(log_scale, xscale, yscale, title) # make a variable to hold the scale info changes above So that I can do this and add a bunch of things at the same time: qplot(cty, hwy, data = mpg, colour = displ) + my_scales # add these to your plot. but I get this error: Error in object$class : $ operator is invalid for atomic vectors I realize that the things going into my_scales need to be layers / different types of objects, but I don't see what they should be.

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• How can we expose a .NET public const to COM interop

  - by JulienC

  For historical reasons, we need to expose string constants in .NET through COM interface. We managed to expose ENUM but we can't find a way to expose string const. We try the following code : <ComClass(ComClass1.ClassId, ComClass1.InterfaceId, ComClass1.EventsId)> _ Public Class ComClass1 #Region "COM GUIDs" ' These GUIDs provide the COM identity for this class ' and its COM interfaces. If you change them, existing ' clients will no longer be able to access the class. Public Const ClassId As String = "608c6545-977e-4260-a3cf-11545c82906a" Public Const InterfaceId As String = "12b8a6c7-e7f6-4022-becd-2efd8b3a756e" Public Const EventsId As String = "05a2856f-d877-4673-8ea8-20f5a9f268d5" #End Region ' A creatable COM class must have a Public Sub New() ' with no parameters, otherwise, the class will not be ' registered in the COM registry and cannot be created ' via CreateObject. Public Sub New() MyBase.New() End Sub Public Const chaine As String = "TEST" Public Sub Method() End Sub End Class But when we look on the OLE object viewer, we only see the method. See ScreenShot: screenshot of OLE viewer Anyone have an idea ? Thanks,

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• Databind List Of Objects To A WinForms DataGridView, But Not Show Certain Public Properties

  - by Pyronaut

  I'm not even sure if i'm doing this correctly. But basically I have a list of objects that are built out of a class. From there, I am binding the list to a datagrid view that is on a Windows Form (C#) From there, it shows all the public properties of the object, in the datagrid view. However there is some properties that i still need accessible from other parts of my application, but aren't really required to be visible in the DataGridView. So is there an attribute or something similar that I can write above the property to exclude it from being shown. P.S. Im binding at runtime. So i cannot edit the columns via the designer. P.P.S. Please no answers of just making public variables (Although if that is the only way, let me know :)).

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• Django : proper way to use model, duplicates!

  - by llazzaro

  Hello, I have a question about the proper, best way to manage the model. I am relative newbie to django, so I think I need to read more docs, tutorials,etc (suggestions for this would be cool!). Anyway, this is my question : I have a python web crawler, that is "connected" with django model. Crawling is done once a day, so its really common to find "duplicates". To avoid duplicates I do this : cars = Car.Objects.filter(name=crawledItem['name']) if len(cars) 0: #object already exists, update it car = cars[0] else: car = Car() #some non-relevant code here car.save() I want to know, if this is the proper/correct way to do it or its any "automatic" way to do it. Its possible to put the logic inside the Car() constructor also, should I do that? Thanks a lot!

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