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  • How come module-level validation errors only display when property-level validators are Valid?

    - by jonathanconway
    I'm using the module-level validator: 'PropertiesMustMatch' on my view-model, like so: [PropertiesMustMatch("Password", "PasswordConfirm")] public class HomeIndex { [Required] public string Name { get; set; } public string Password { get; set; } public string PasswordConfirm { get; set; } } I'm noticing that if I submit the form without Name filled in, the ValidationSummary() helper returns only the following error: The Name field is required. However, if I fill in Name, then ValidationSummary() will return a PropertiesMustMatch error: 'Password' and 'PasswordConfirm' do not match. So it looks like the property-level validators are being evaluated first, then the model-level validators. I would much prefer if they were all validated at once, and ValidationSummary would return: The Name field is required. 'Password' and 'PasswordConfirm' do not match. Any ideas what I can do to fix this? I'm studying the MVC 2 source-code to try to determine why this happens.

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  • Something like Crystal Reports for PHP?

    - by Mez
    I'm looking for something that works in PHP and is similar to crystal reports. I basically need to have a layout setup that means I can output invoices just by inserting the data, and then send it to a printer. The closest I've found so far is PDFB, but It's a bit of a pain as it needs to have precise positioning. I'd like to have something that could generate an invoice based on a template (preferably XML based) and then output it to a form easy for us to print (PostScript would be nice!) It needs to have support for barcodes too (though these can be generated as a GD image) Another requirement is that this must be FLOSS

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  • How to Obtain Data to Pre-Populate Forms.

    - by Stan
    The objective is to have a form reflect user's defined constraints on a search. At first, I relied entirely upon server-side scripting to achieve this; recently I tried to shift the functionality to JavaScript. On the server side, the search parameters are stored in a ColdFusion struct which makes it particularly convenient to have the data JSON'ed and sent to the client. Then it's just a matter of separately iterating over 'checkable' and text fields to reflect the user's search parameters; jQuery proved to be exceptionally effective in simplifying the workload. One observable difference lies in performance. The second method appeared to be somewhat slower and didn't work in IE8. Evidently, the returned JSON'ed struct was seen as an empty object. I'm sure it can be fixed, though before spending any more time with it, I'm curious to hear how others would approach the task. I'd gladly appreciate any suggestions. --Stan

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  • Posting from JQuery to WCF Service

    - by Villager
    Hello, I have a WCF Service (called "myservice.svc") that takes a message from a user and saves it to the database. It returns a response to the user in the form of a number. This operation looks like this: [OperationContract] [WebGet] public string SubmitMessage(string message) { try { // SAVE TO DATABASE return "1"; } catch (Exception ex) { return "0"; } } I want to call this operation from some JQuery. I'm using the approach shown here: $.getJSON( "/services/myService.svc", {message:"some text"}, function (data) { alert("success"); } ); Oddly, the "success" alert is never displayed. In addition, I have set a breakpoint in my WCF service and it is never being tripped. What am I doing wrong? Thank you

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  • Get used color names from image

    - by atmorell
    Hello, I would like to check what colors is present in a image. This will be stored in the database and used for a search form. (red=1, green=1, blue=0, yellow=1, black=1, white=1 etc.) img = Magick::Image.read('phosto-file.jpg').first img = img.quantize(10 h = img.color_histogram pp h {red=12815, green=18494, blue=15439, opacity=0=>13007, red=44662, green=47670, blue=51967, opacity=0=>18254, red=17608, green=43331, blue=48321, opacity=0=>11597, red=21105, green=25865, blue=39467, opacity=0=>10604, red=15125, green=36629, blue=22824, opacity=0=>10223, red=52102, green=42405, blue=10063, opacity=0=>12928, red=39043, green=28726, blue=40855, opacity=0=>7728, red=10410, green=8880, blue=7826, opacity=0=>13795, red=25484, green=25337, blue=24235, opacity=0=>7351, red=44485, green=12617, blue=11169, opacity=0=>14513} How do I convert the 10 values to color names? red, green, NOMATCH, yellow, black, white etc. Only need the rough color name - not LimeGreen but Green etc. Best regards. Asbjørn Morell

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  • Django file uploads - Just can't work it out

    - by phoebebright
    OK I give up - after 5 solid hours trying to get a django form to upload a file, I've checked out all the links in stackoverflow and googled and googled. Why is it so hard, I just want it to work like the admin file upload? So I get that I need code like: if submitForm.is_valid(): handle_uploaded_file(request.FILES['attachment']) obj = submitForm.save() and I can see my file in request.FILES['attachment'] (yes I have enctype set) but what am I supposed to do in handle_uploaded_file? The examples all have a fixed file name but obviously I want to upload the file to the directory I defined in the model, but I can't see where I can find that. def handle_uploaded_file(f): destination = open('fyi.xml', 'wb+') for chunk in f.chunks(): destination.write(chunk) destination.close() Bet I'm going to feel really stupid when someone points out the obvious!

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  • Why does Chrome incorrectly determine page is in a different language and offer to translate?

    - by Sam
    The new Google Chrome auto-translation feature is tripping up on one page within one of our applications. Whenever we navigate to this particular page, Chrome tells us the page is in Danish and offers to translate. The page is in English, just like every other page in our app. This particular page is an internal testing page that has a few dozen form fields with English labels. I have no idea why Chrome thinks this page is Danish. Does anyone have insights into how this language detection feature works and how I can determine what is causing Chrome to think the page is in Danish?

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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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  • 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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  • Computer Vision application(+web interface) for face detection and recognition from database

    - by Kush
    My project is a computer vision java application which should implement the following : A web interface through which the form entry+images(for example a student data) will be stored into a database(Mysql) & images into directory common to my java application. Then the data & images can be retrieved from my java Gui application and I can perform the following operations of image processing through OpenCV. Actually,I want to run the face detection on images retrieved and discard the false entries(no proper face). Also the application user/admin can search an image based on text search(By Id) or By another reference image using face recognition. I am well familiar with Java but the problem is that I need a guidance on how to organise it in a stepwise manner(links appreciated).OpenCv,Php and mySql are really messy.I know doing the openCV stuff within java is real overhead but i really want to do it.But If there is any suggestion to do it elseway please guide me.So any kind of help is a ray of hope for me. Thanks.

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  • label backgrond flicking on a WinForms user control has background image enabled

    - by slowlycooked
    I am working on a windows form project and having some problem with UserControl Double Buffering. I created a usercontrol and has a background image, then on top of it I have few radio buttons and labels. Radio buttons and labels are all having transparent background as color. However, when I show and hide the User control, I can see the flickering on those labels and radio buttons that has transparent background. And I tried Me.SetStyle(ControlStyles.DoubleBuffer _ Or ControlStyles.AllPaintingInWmPaint _ Or ControlStyles.UserPaint _ Or ControlStyles.SupportsTransparentBackColor, _ True) After initializeComponent() to enable double buffer on this user control, but it doesn’t seem to work.

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  • Sqlalchemy+elixir: How query with a ManyToMany relationship?

    - by Hugo
    Hi, I'm using sqlalchemy with Elixir and have some troubles trying to make a query.. I have 2 entities, Customer and CustomerList, with a many to many relationship. customer_lists_customers_table = Table('customer_lists_customers', metadata, Column('id', Integer, primary_key=True), Column('customer_list_id', Integer, ForeignKey("customer_lists.id")), Column('customer_id', Integer, ForeignKey("customers.id"))) class Customer(Entity): [...] customer_lists = ManyToMany('CustomerList', table=customer_lists_customers_table) class CustomerList(Entity): [...] customers = ManyToMany('Customer', table=customer_lists_customers_table) I'm tryng to find CustomerList with some customer: customer = [...] CustomerList.query.filter_by(customers.contains(customer)).all() But I get the error: NameError: global name 'customers' is not defined customers seems to be unrelated to the entity fields, there's an special query form to work with relationships (or ManyToMany relationships)? Thanks

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  • Jabber .net rostertree error

    - by Farooq
    Hi, Whenever I add the rostertree control to my form, I can see that the PresenceManager and RosterManager property values for it have this error listed: "Unable to cast object of type 'System.Windows.Forms.DataGridViewTextBoxColumn' to type 'System.ComponentModel.Component'." I can compile the solution and all but this error keeps popping up randomly. Can someone advice when this may happen. I'm thinking it has to do with the controls not being added properly. I'm using Visual Studio 2008. Thanks.

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  • Problems with Optimistic Concurrency through an ObjectDataSource and a GridView

    - by Bloodsplatter
    Hi I'm having a problem in an ASP .NET 2.0 Application. I have a GridView displaying data from an ObjectDataSource (connected to a BLL class which connects to a TabledAdapter (Typed Dataset using optimistic concurrency). The select (displaying the data) works just fine, however, when I update a row the GridView does pass the old values to the ObjectDataSource. <DataObjectMethod(DataObjectMethodType.Update, True)> _ Public Function UpdateOC(ByVal original_id As Integer, ByVal original_fotonummer As Integer, ByVal original_inhoud As String, ByVal original_postdatum As Date?, ByVal fotonummer As Integer, ByVal inhoud As String, ByVal postdatum As Date?) As Boolean Dim tweets As TwitpicOC.TweetsDataTable = adapterOC.GetTweetById(original_id) If tweets.Rows.Count = 0 Then Return False Dim row As TwitpicOC.TweetsRow = tweets(0) SmijtHetErIn(row, original_fotonummer, original_inhoud, original_postdatum) row.AcceptChanges() SmijtHetErIn(row, fotonummer, inhoud, postdatum) Return adapterOC.Update(row) = 1 End Function Public Sub SmijtHetErIn(ByVal row As TwitpicOC.TweetsRow, ByVal original_fotonummer As Integer, ByVal original_inhoud As String, ByVal original_postdatum As Date?) With row .fotonummer = original_fotonummer If String.IsNullOrEmpty(original_inhoud) Then .SetinhoudNull() Else .inhoud = original_inhoud If Not original_postdatum.HasValue Then .SetpostdatumNull() Else .postdatum = original_postdatum.Value End With End Sub And this is the part of the page: <div id='Overzicht' class='post'> <div class='title'> <h2> <a href='javascript:;'>Tweetsoverzicht</a></h2> <p> Overzicht</p> </div> <div class='entry'> <p> <asp:ObjectDataSource ID="odsGebruiker" runat="server" OldValuesParameterFormatString="" SelectMethod="GetAll" TypeName="TakeHomeWeb.BLL.GebruikersBLL"></asp:ObjectDataSource> <asp:ObjectDataSource ID="odsFoto" runat="server" SelectMethod="GetFotosByGebruiker" TypeName="TakeHomeWeb.BLL.FotosBLL"> <SelectParameters> <asp:ControlParameter ControlID="ddlGebruiker" DefaultValue="0" Name="userid" PropertyName="SelectedValue" Type="Int32" /> </SelectParameters> </asp:ObjectDataSource> <form id="form1" runat="server"> <asp:Label runat="server" AssociatedControlID="ddlGebruiker">Gebruiker:&nbsp;</asp:Label> <asp:DropDownList ID="ddlGebruiker" runat="server" AutoPostBack="True" DataSourceID="odsGebruiker" DataTextField="naam" DataValueField="userid" AppendDataBoundItems="True"> <asp:ListItem Text="Kies een gebruiker" Value="-1" /> </asp:DropDownList> <br /> <asp:Label runat="server" AssociatedControlID="ddlFoto">Foto:&nbsp;</asp:Label> <asp:DropDownList ID="ddlFoto" runat="server" AutoPostBack="True" DataSourceID="odsFoto" DataTextField="url" DataValueField="id" AppendDataBoundItems="True"> <asp:ListItem Value="-1">Kies een foto...</asp:ListItem> </asp:DropDownList> <br /> <div style="float: left"> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="id" DataSourceID="odsTweets"> <Columns> <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" /> <asp:BoundField DataField="id" HeaderText="id" InsertVisible="False" ReadOnly="True" SortExpression="id" /> <asp:BoundField DataField="fotonummer" HeaderText="fotonummer" SortExpression="fotonummer" /> <asp:BoundField DataField="inhoud" HeaderText="inhoud" SortExpression="inhoud" /> <asp:BoundField DataField="postdatum" HeaderText="postdatum" SortExpression="postdatum" /> </Columns> </asp:GridView> <asp:ObjectDataSource ID="odsTweets" runat="server" ConflictDetection="CompareAllValues" DeleteMethod="DeleteOC" OldValuesParameterFormatString="original_{0}" SelectMethod="GetTweetsByFotoId" TypeName="TakeHomeWeb.BLL.TweetsOCBLL" UpdateMethod="UpdateOC"> <DeleteParameters> <asp:Parameter Name="original_id" Type="Int32" /> <asp:Parameter Name="original_fotonummer" Type="Int32" /> <asp:Parameter Name="original_inhoud" Type="String" /> <asp:Parameter Name="original_postdatum" Type="DateTime" /> </DeleteParameters> <UpdateParameters> <asp:Parameter Name="original_id" Type="Int32" /> <asp:Parameter Name="original_fotonummer" Type="Int32" /> <asp:Parameter Name="original_inhoud" Type="String" /> <asp:Parameter Name="original_postdatum" Type="DateTime" /> <asp:Parameter Name="fotonummer" Type="Int32" /> <asp:Parameter Name="inhoud" Type="String" /> <asp:Parameter Name="postdatum" Type="DateTime" /> </UpdateParameters> <SelectParameters> <asp:ControlParameter ControlID="ddlFoto" Name="foto" PropertyName="SelectedValue" Type="Int32" /> </SelectParameters> </asp:ObjectDataSource> </div> </form> </p> </div> </div> I've got a feeling there's huge fail involved or something, but I've been staring at it for hours now and I just can't find it.

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  • Problem in creating different types of columns in a Winforms gridview

    - by Royson
    My windows form application has a grid view control with filename as a default column. User should create a column of following types Text, Number, Currency, Combo Box, Check Box, Radio Button ,Date time type (should display DateTimePicker control) and Hyper Link type. After that i want to pass all rows to next screen for further processing. We can create a column of these types in a grid view but how can i store it in a data table so that i can pass it to next screen. Or should i create a column in a data table and then assign data table to grid view by gridview.DataSource = dt; but can we create a these types of columns in a data table.

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  • Do Any Client-Side JavaScript Frameworks Integrate Well With Node.js+Express.js+socket.io.js?

    - by Tom D
    I'm building an webapp using Node.js+Express.js+socket.io.js on the backend. Do any of the popular front-end frameworks (Agility, Angular, Backbone, Closure, Dojo, Ember, GWT, jQuery, Knockback, Knockout, Spine, YUI, etc) integrate well with this backend for "real-time" applications? I want my application to have a very "real-time" feel. Specifically, when a user submits a form I want the information to be sent using web sockets to the backend for validation and (if validation passes) to be updated in the database. Then, the server-side will use web sockets to send a confirmation that the data was saved or some list of errors. I will use the server's response to update the page using JavaScript. I know all this can be done with any of the listed frameworks. I'm interested in features of particular frameworks that will help the framework integrate better with the Node-based backend than the other frameworks.

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  • [C#] Own component with panel

    - by Adam
    Hi, I want to create my own component which consists two other panels. One of them has fixed contents (such as control buttons, etc.) and the other is standard panel, where I can add other components in designer (VS2008). I know that I have to create UserControl, where I can place my two panels. Then I want to insert my component into the form. But I don't know how to create behavior where I can add other components (such as buttons, labels, etc.) only into second panel in my component. Could anyone help me with creating this component? Thank you. Adam.

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  • Is there a Drupal module for Forms with powerful CRUD style behaviour?

    - by Petras
    We are building a website that contains a large number of database tables that need to be edited by the CMS administrator. Some of the tables are fed by form submissions from users on the front end of the website. Some of the tables are purely in the CMS and are used to create custom modules on the front end of the website. Although there is a forms module in Drupal, I think our requirements cannot be met by it. Does anyone know of a system that allows forms to be saved to a CRUD style database with the following features? Export of all database fields. View a summary of the records in a filterable table. With paging You can have one to many relationships in records eg To code this manually for 10 forms is A LOT of work. Particularly the one to many relationships. If there is a powerful module available it would save us writing one.

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  • Most useful parallel programming algorithm?

    - by Zubair
    I recenty asked a question about parallel programming algorithms which was closed quite fast due to my bad ability to communicate my intent: http://stackoverflow.com/questions/2407631/what-is-the-most-useful-parallel-programming-algorithm-closed I had also recently asked another question, specifically: http://stackoverflow.com/questions/2407493/is-mapreduce-such-a-generalisation-of-another-programming-principle/2407570#2407570 The other question was specifically about map reduce and to see if mapreduce was a more specific version of some other concept in parallel programming. This question (about a useful parallel programming algorithm) is more about the whole series of algorithms for parallel programming. You will have to excuse me though as I am quite new to parallel programming, so maybe MapReduce or something that is a more general form of mapreduce is the "only" parallel programming construct which is available, in which case I apologise for my ignorance

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  • Specifying a no-indent for a list, with LaTeX

    - by Andreas Grech
    I have the following: This is just normal text... \begin{enumerate} \item First Item ?\\\\ This is the text of the first item \item Second Item ?\\\\ This is the text of the second item \end{enumerate} Which renders the following: This is just normal text... 1. First Item ? This is the text of the first item 2. Second Item ? This is the text of the second item I want to specify that the text of the items has no indentation. Basically, I want it to be rendered like such: This is just normal text... 1. First Item ? This is the text of the first item 2. Second Item ? This is the text of the second item How can I specify this form of no indentation?

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  • problem running system.net.webclient and process.start off a control event

    - by Rob
    The following code causes my vs 2008 wpf project to hang, I'm not sure why. Both Part 1 and Part 2 work perfectly fine independently, but when I run them together on an control event (click a button for example) the program hangs. I've also tried shell execute for part 2 - same results. However, this code when run within the form loaded event works fine. Any insights would be truly appreciated. Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles Button1.Click 'Part 1 Dim myWebClient As System.Net.WebClient = New System.Net.WebClient Dim CurrentDataFileContents As String = myWebClient.DownloadString("http://www.xyz.com") myWebClient.Dispose() 'Part 2 System.Diagnostics.Process.Start("http://www.test.com") End Sub

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  • ASP Calendar control returns Date type but I need Datetime to insert into SQL Server 2005

    - by rafael
    Hello, I am using a ASP Calendar control to insert a datetime value into a field to be part of an insert to a SQL Server 2005 db table. I get the following error when i submit the form to server and try to insert into table: [ArgumentException: The version of SQL Server in use does not support datatype 'date'.] Seems like Calendar control returns a Date type value. How could i make the Calendar control return a Datetime value instead? I know now that SQL Server 2005 does not support Date type fields.

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  • filtering for multiple values on one column. All values must exist, else - return zero

    - by Andrew
    Hello All, I would like to filter one column in a table for couple values and show results only if all those values are there. If one or more is missing, then return zero results. example table +----+--------+----------+ | id | Fruit | Color | +----+--------+----------+ | 1 | apple | red | | 2 | mango | yellow | | 3 | banana | yellow | +----+--------+----------+ example "wrong" code: (this must return 3 rows) select Fruit FROM table WHERE Color = red AND Color = yellow but select Fruit FROM table WHERE Color = red AND Color = green must return 0 rows. (If i use select Fruit FROM table WHERE Color = red OR Color = green i get 1 row which is not what i need) I am using PHP with form where user checks different checkboxes that represent different values of the same column. So when he selects multiple checkboxes, all those values should be in the result set, otherwise no result should be given. Thank you, Andrew

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  • [Python] Detect destination of shortened, or "tiny" url

    - by conradlee
    I have just scraped a bunch of Google Buzz data, and I want to know which Buzz posts reference the same news articles. The problem is that many of the links in these posts have been modified by URL shorteners, so it could be the case that many distinct shortened URLs actually all point to the same news article. Given that I have millions of posts, what is the most efficient way (preferably in python) for me to detect whether a url is a shortened URL (from any of the many URL shortening services, or at least the largest) Find the "destination" of the shortened url, i.e., the long, original version of the shortened URL. Does anyone know if the URL shorteners impose strict request rate limits? If I keep this down to 100/second (all coming form the same IP address), do you think I'll run into trouble?

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  • http(/* argument here */) How is this Object (Http) being used without an explicit or implicit meth

    - by Randin
    In the example for coding with Json using Databinder Dispatch Nathan uses an Object (Http) without a method, shown here: import dispatch._ import Http._ Http("http://www.fox.com/dollhouse/" >>> System.out ) How is he doing this? Thank you for all of the answers unfortunatly I was not specific enough... It looks like it is simply passing an argument to a constructor of class or companion object Http. In another example, I've seen another form: http = new Http http(/* argument here */) Is this valid Scala? I guess it must be, because the author is a Scala expert. But it makes no sense to me. Actions are usually performed by invoking methods on objects, whether explicitly as object.doSomething() or implicitly as object = something (using the apply() method underneath the syntactic sugar). All I can think of is that a constructor is being used to do something in addition to constructing an object. In other words, it is having side effects, such as in this case going off and doing something on the web.

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