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oop - Why does Wikipedia say "Polymorphism is not the same as method overloading or method overriding." -

I've looked around and I could not find any similar questions. Here is the paragraph I: The polymorphism method is not similar to overloading or law override. Polymorphism is related to the application of specific implementations only for one interface or more general base class. The method overloading refers to those who have the same name but have different signatures within the same class. The method is overwritten, where a subclass replaces one or more of the methods of the implementation of its parent methods, there is no overload of the method of polymorphism and the method is not overwritten. Can anyone here explain this more clearly, especially "is not equal to imposing the method of polymorphism"? I am confused now. Thanks in advance. Polyomorphism (very easily stated) is likely to use a derivative class where the base orbit Is expected: class base {} class derived base {} base v = new received (); // oak On the other hand, the method override,...

ms access - printing a record -

I am using this code to print a record from the form Private sub Bitianpratirekordklik () on error GoTo Err_btnPrintRecord_Click DoCmd.DoMenuItem acFormBar, acEditMenu, 8 ,, acMenuVer70 DoCmd.PrintOut acSelection Exit_btnPrintRecord_Click: Exit sub Err_btnPrintRecord_Click: MsgBox Err.Description resume Exit_btnPrintRecord_Click End sub However, this code is not automatically printing printer to select printer, it is automatically sending the printer by default . Anyone can help to print a print window to choose a printer from it. DoMenuItem has been deprecated since at least 2000 onwards. You can use RunCommand to open a print window. DoCmd RunCommand ACCMD print There is almost no good idea to print the record. It does not take much time to prepare a report that can be used with any argument. This will give you more control and will give a very enjoyable experience to your users.

javascript - Dojo caching issue in Spring -

I am having a problem where dojo wants to html cache and then it is not shown properly if I This function works well once, and this parameter works on all subsequent calls when it is unique. If I call it twice with duplicate parameters, then there is not necessarily anything. I appreciate any help combine function (name, page) {var id = dojo.byId ("userId"); Dojo.byId ("Result"). InnerHTML = "& lt; b & gt; Loading ... & lt; / b & gt;"; Dojo.xhrGet ({url: "/test.html?pName="+name+"id="+id.value+"&&page=+ Page, Weight: Function (Data, ioargs) {dojo.byId (" Result "). WinnerHTML = data;}, error: function (error, ioargs) {warning (error);}})} It does not appear that the dojo is caching HTML, but your browser or your web server is probably caching the result. Try to stop the blocking : True to your property object for dojo. XhrGet: dojo.xhrGet ({url: "/ Test.html? Pname =" + ...

c# - sqlDecimal to decimal clr stored procedure Unable to cast object of type 'System.Data.SqlTypes.SqlDecimal' to type 'System.IConvertible' -

I'm new to this I'm writing a clr. stored procedure that can be used to get values ​​used in a calculation Call for another stored procedure for Gives an archived methodology int (I think SqlInt32? Value of the table's value is int) which is then necessary to convert to decimal. Here I have the code: Public static integral mood (SQL MDMMYLUE, escalistering AMY type, out of SQLDCM Result) {aResult = 0; Try {SqlConnection conn = New SqlConnection ("Reference Connection = True"); SqlCommand cmd = New SqlCommand ("sp_GetType", conn); Cmd.Parameters.AddWithValue ("@ myValueType", aMyValueType); Cmd.CommandType = CommandType.StoredProcedure; Conn.Open (); Object type = CMD. Exclamation Asser (); Conn.Close (); Decimal type FORCalculation = Convert. ToDecimal (type); Decimal value = convert toDecimal (aMyValue); // ** calculation calc = new calculation (); Decimal result = calorie.docalulation (typefarculation, value); I get an exception...

c# - How to specify a min but no max decimal using the range data annotation attribute? -

I would like to specify that the value should be a decimal area> = 0, but I really do not want to apply A maximum value Even what I have so far ... I'm not sure what is the right way to do this. [class (typical), "0", "??"] public decimal value {get; set;} about something like this: [range (0.0, double.maxvalue)] You should do what you want and you can avoid using the wire.

JavaScript: Confirm dialog box that shows value from a text box -

Is there a way to display a confirmation dialog box on which a user is typed in a text box on a form ? (For example, if the user types 100.00, I would like to see a message in the dialog box, like "confirmation amount. OK click if $ 100.00 is the correct amount.") Yes: var amount = document.getElementById ("textbox"). value; Confirm (click on "Confirm Amount." OK, if $ "+ amount +" is the correct amount. ") Edit: Here's an example:

tfs - Problem with URL in IIS7.5 + Sharepoint Services in TFS2010 -

My question is a bit simple but I do not know how to get it. I have this dedicated server at home, almost just used for Team Foundation Server, I have a single server configuration wizard, so I run with SQL Server and IIS 7.5 The services are, the problem is that each link and URL generated on the SharePoint site is generated by the local computer name, which is TFS. I have a domain (example.com) and a subdomain that points to my home static IP address, the router is configured correctly, and if you have TFS.example.com The Sharepoint home page is available, but as I said, for example, any link is generated. I want to know what is the way to correct it before all the things that I have done before, go to PC and set up a Windows host rule, so ask any request For, TFS, it becomes my IP, but I want to change it, and to change something on the server, all the routes URL is rewritten or there is no domain like some things, and all customers connect to the internet It is. Thank y...