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  • How to: Avoid Inserting Related Entities?

    - by niaher
    I have this schema: I want to insert an Order with OrderItems into database, so I wrote this method: public void SaveOrder(Order order) { using (var repository = new StoreEntities()) { // Add order. repository.Orders.AddObject(order); // Add order items. foreach (OrderItem orderItem in order.OrderItems) { repository.OrderItems.AddObject(orderItem); } repository.SaveChanges(); } } Everything is inserted just fine, except that new Product records are inserted too, which is not what I want. What I want is to insert Order and its OrderItems, without going any further down the object graph. How can that be achieved? Any help is really appreciated, thank you.

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  • How do I write a regex that ignores strings starting with a particular prefix, and captures everythi

    - by Mark Rogers
    Background: I'm trying to come up with a regex for a rewrite rule that will take anything that does not start with a particular prefix, and add that prefix to it. But urls that already have the prefix should be rejected by the regular expression (because they already have the url). Example: If the prefix is s1 a string like home will capture the home part. But a string like s1/home, will not capture anything. This way I can add the capture group onto the prefix, so that 'home' will become 's1/home'. I've tried (^s1/), but I'm missing something here, because that rejected 'home' for some reason.

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  • can we assign object value to the label?

    - by user334294
    I have a label for that i have to assign object value which is returned by stored procedure.my code as following object returnvalue; SqlConnection con = new SqlConnection("Data Source=vela21; Initial Catalog=MilkDb;Integrated Security=True"); con.Open(); string sa; sa = textBox1.Text; SqlCommand cmd = new SqlCommand("custname", con); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.Add("Cid", SqlDbType.Int).Value = sa; cmd.Parameters.Add("cname", SqlDbType.NVarChar, 20); cmd.Parameters["cname"].Direction = ParameterDirection.Output; returnvalue = cmd.ExecuteNonQuery(); label3.Text = Convert.ToString(returnvalue); con.Close(); can anyone help me? plz........

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  • SQL Server concurrency and generated sequence

    - by Goyuix
    I need a sequence of numbers for an application, and I am hoping to leverage the abilities of SQL Server to do it. I have created the following table and procedure (in SQL Server 2005): CREATE TABLE sequences ( seq_name varchar(50) NOT NULL, seq_value int NOT NULL ) CREATE PROCEDURE nextval @seq_name varchar(50) AS BEGIN DECLARE @seq_value INT SET @seq_value = -1 UPDATE sequences SET @seq_value = seq_value = seq_value + 1 WHERE seq_name = @seq_name RETURN @seq_value END I am a little concerned that without locking the table/row another request could happen concurrently and end up returning the same number to another thread or client. This would be very bad obviously. Is this design safe in this regard? Is there something I can add that would add the necessary locking to make it safe? Note: I am aware of IDENTITY inserts in SQL Server - and that is not what I am looking for this in particular case. Specifically, I don't want to be inserting/deleting rows. This is basically to have a central table that manages the sequential number generator for a bunch of sequences.

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  • Adding anchors to h2 in text using python and regexp

    - by Oli
    I'm trying to add anchors to all h2's in my html, using python. This code will add those anchors, but I need to fill the name of the anchors too. Any idea if the name can be the number of the match in the loop or a slugified version of the text between the h2 tags? Here's the code so far: regex = '(?P<name><h2>.*?</h2>)' text = re.sub(regex, "<a name=''/>"+r"\g<name>", text)

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  • adding a UIScrollView as a superview of 2 UITextview made no view can be scrolled

    - by Risma
    hi i have 2 textview in a viewcontroller. the 1st textview is not editable, but the 2nd is editable. i want to make both of them scroll in the same position and size when the keyboard is appear. I think i have to use UIScrollView as base of both of textview. And then i add the UIScrollView in xib (bot of textview are made in xib too). and this is the picture if this hierarchy : in the viewDidLoad method, i add this code : - (void)viewDidLoad { [super viewDidLoad]; [scrollTextView addSubview:lineNumberTextView]; [scrollTextView addSubview:_codeTextView]; [lineNumberTextView bringSubviewToFront:scrollTextView]; [_codeTextView bringSubviewToFront:scrollTextView]; } but after that i can't scroll anything. What i have to do? thx for the advices

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  • Emacs auto-minor-mode based on extension

    - by vermiculus
    I found this question somewhat on the topic, but is there a way [in emacs] to set a minor mode (or a list thereof) based on extension? For example, it's pretty easy to find out that major modes can be manipulated like so (setq auto-mode-alist (cons '("\\.notes$" . text-mode) auto-mode-alist)) and what I'd ideally like to be able to do is (setq auto-minor-mode-alist (cons '("\\.notes$" . auto-fill-mode) auto-minor-mode-alist)) The accept answer of the linked question mentions hooks, specifically temp-buffer-setup-hook. To use this, you have to add a function to the hook like so (add-hook 'temp-buffer-setup-hook 'my-func-to-set-minor-mode) My question is two-fold: Is there an easier way to do this, similar to major modes? If not, how would one write the function for the hook? It needs to check the file path against a regular expression. If it matches, activate the desired mode (e.g. auto-fill-mode).

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  • JAR file folder for eclipse projects

    - by Daff
    I'm trying to create a centralized folder (in some kind of a "meta project" in my eclipse workspace) for commonly used JAR files for referenced projects in this workspace. It should work similar to the WEB-INF/lib folder for web projects but also apply to non web projects, and automatically scan and add all jar files in this folder. I tried to create a user library with these jar files and reference them in the project but I still have to add every new jar manually to the user library (and don't know if it is referenced relative of absoulute) and Tomcat (WTP) doesn't seem to take these files (Run As - Run on Server) into its classpath (and I don't want to duplicate the jars and put them into WEB-INF/lib). Any ideas?

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  • How to display popup from code-behind in ASP.net ?

    - by user359706
    hello I wonder how it would be possible to launch a series of popups, containing a form, from code-behind. I possess a list of objects 'Products' and I wish I could change one property (quantity) of each "product". Here's how I build my list (normally I use a database). Private List<Product> listProduct; listProduits = new List<Product>(); Product objProduit_1 = new Produit; objProduct_1.ref = "001"; objProduct_1.article = "G900"; objProduct_1.quantity = 30; listProducts.Add(objProduct_1); ProductobjProduit_2 = new Product; objProduct_2.ref = "002"; objProduct_2.article = "G900"; objProduct_2.quantity = 35; listProduits.Add(objProduct_2); And I would like displayed popup one after one. Thank you in advance for your help

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  • Displaying conditional amount of fields in UI (Android)

    - by Sochin
    I am using layout xml documents for my ui controls. I need to create and remove these controls (input fields) on the fly, based on how many results I get back from my database. For each group, there can be 0..* fields and these are prepopulated from the database. Also, it would be good if I can invoke a method to create an additional field; something like the address book, where you can click + or - to add or remove a phone or other detail. In a "psuedo" style, I'm guessing something like this: Check database - How many of X are there [y]? Create Y fields. The user may then add new fields, so once I click submit i need to apply all of that to database. Any examples or hints greatly welcomed. Hope this make sense! :)

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  • Android ListView Item Visibility

    - by user1478754
    I'm trying to create a screen that displays multiples items. For this, I've created a listview but I'm not sure how to approach how to add/remove items from it. Since I'm using custom listview items, I've created my own listadapter but now I need a way to add items on a button click. Is there a way to create listview that can take an indefinite amount of items (instead of passing it in an fixed length array of View objects)? Also what's the best way to remove items from listviews? setVisibility?

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  • Convert Object Hierachey to Object Array

    - by Killercam
    All, I want to create an object array foo[], where the constructor for Foo is public Foo(string name, string discription){} I have a database object which has a structure (not incuding stored procedures, functions or views for simplicity) like public class Database { public string name { get; set; } public string filename { get; set; } public List<Table> tables { get; set; } public Database(string name, string filename) { this.name = name; this.filename = filename; } } protected internal class Table { public string name { get; set; } public List<Column> columns { get; set;} public Table(string name, List<Column> columns) { this.name = name; this.columns = columns; } } protected internal class Column { public string name { get; set; } public string type { get; set; } public Column(string name, string type, int maxLength, bool isNullable) { this.name = name; this.type = type; } } I would like to know the quickest way to add Column and Table information to the Foo[] object array? Clearly I can do List<Foo> fooList = new List<Foo>(); foreach (Table t in database.tables) { fooList.Add(new Foo(t.Name, "Some Description")); foreach (Column c in t.columns) fooList.Add(new Foo(c.Name, "Some Description")); } Foo[] fooArr = fooList.ToArray<Foo>(); But is there a quicker way? Clearly LINQ is likely to be slower for a query that does a simalar operation, but I care allot about speed here so any advice would be appreciated. Perhaps the use of a HashSet would be the way to go as there will not be duplicate entries... Thanks for your time.

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  • allow only distinct values in ComboBox

    - by Ravinder Gangadher
    In my project, I am trying to populate ComboBox from DataSet. I succeeded in populating but the values inside the ComboBox are not distinct (Because it just showing the values present in DataSet). I cant bind the ComboBox to DataSet because I am adding "Select" text at first of populating the values. Here is my code. ComboBox --> cmb DataSet --> ds DataSet Column Name --> value(string) cmb.Items.Clear(); cmb.Items.Add("Select"); for (int intCount = 0; intCount < ds.Tables[0].Rows.Count; intCount++) { cmb.Items.Add(ds.Tables[0].Rows[intCount][value].ToString()); } cmb.SelectedIndex = 0; My question is how to allow distinct values (or restrict duplicate values) inside the ComboBox.

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  • populating word doc from xml in c#

    - by shdu1
    how do i populate a word doc from an xml template using c#. I know how to open a blank document but I cant figure out how to populate it. Word.Document wordDoc = wordApp.Documents.Add(ref objMissing, ref objMissing, ref objMissing, ref objMissing); Word.Paragraph wordParagraph = wordDoc.Paragraphs.Add(ref objMissing); Here's a basic look at my xml form. <?xml version="1.0" encoding="utf-8"?> <Cover> <CaseNo>Case No:</CaseNo> <Title>Title:</Title> <Date>Date:</Date> </Cover> What I eventually want to do is get the user to fill in textboxes in a c# program which will populate the word document. PLEASE HELP ME!!! I've been trying to figure this out for days Note the information is not coming from an sql database

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  • Mericural "no username supplied" error on Mac

    - by theDuncs
    I've just installed Mercurial on my Mountain Lion Max (10.8) and on my first commit I'm getting the error: abort: no username supplied (see "hg help config") I've seen a load of answers which suggest I need to create or copy a file form a certain location and paste it into another location and add my username and email to the document. If that is the right thing to do: Where is the file I need to copy (or what is the file called that I need to create) Where do I put that file Do I just need to add the following two lines to the file? [ui] username = Your Name Thanks guys.

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  • Does anybody actually use the permissions policy controls in tomcat?

    - by stu
    While I can appreciate the point of the fine granularity in which you can enable security for every single little thing for each individual application in tomcat, in reality, it's an insane pain in the ass. Every single file, socket, everything for every single application. Sure if you're writing a "hello world" application, it's not too much to ask, but an enterprise sized application? That's insane. Does anybody actually use it, or does everybody just say "*" for everything?

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  • ASP/HTML problem with spaces and monofonts

    - by nickik
    I have a ASP has a Function that converts ä to &auml so far so good. I have lets say space for 10 char's if there are more cut them of if there are less fill the space up with &nbsp's. . Like this: test &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp but if i say "täst" it does this: te &auml t &nbsp It interprets the &auml not as one char it looks at it as 6 chars. Is there a clever way around that? This problem messes up my design because I need the right count of spaces. The whole thing goes into a big select box. Of you have to add a ; at the end of ever &... I could add them because the Editor would really interprt them.

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  • Specifying a unique control name when adding at runtime (like the VS IDE)

    - by user316383
    hi, I have a basic IDE for a user control i am building. It allows me to add labels to a panel and move them around, like a very basic form designer. When I add the controls to the panel at runtime, I'd like to give the control a unique name string like how the VS IDE tracks the controls it already has and adds an extra number when it creates the default control name. I have tried checking the controls collection each time a new control is added, but wasnt sure if there was a good string comparison method to return a name with a unique number on the end that hasn't been used yet.

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  • How to automatically reseed after using identity_insert?

    - by Earlz
    Hello, I recently migrated from a PostgreSQL database to a SQL Server database. To switch the data over I had to enable IDENTITY_INSERT. Well come to find out that I get all sorts of strange errors due to duplicate identity values(which are set as primary keys) upon doing an insert in any of the tables. I have quite a few tables. What would be the easiest way of automatically reseeding the identity of every table so that it is after max(RID)?

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