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How SID is different from Service name in Oracle tnsnames.ora
...hat is a SID and Service name
please look into oracle's documentation at https://docs.oracle.com/cd/B19306_01/network.102/b14212/concepts.htm
In case if the above link is not accessable in future, At the time time of writing this answer, the above link will direct you to, "Database Service and Da...
Is there an exponent operator in C#?
...
The C# language doesn't have a power operator. However, the .NET Framework offers the Math.Pow method:
Returns a specified number raised to the specified power.
So your example would look like this:
float Result, Number1, Number2;
Number1 = 2;
Number2 = 2;
Result = Math.Pow(Number1...
In C#, why is String a reference type that behaves like a value type?
... types are not necessarily stored on the stack. It's most often true in ms.net, but not at all specified by the CLI specification. The main difference between value and reference types is, that reference types follow copy-by-value semantics. See docs.microsoft.com/en-us/archive/blogs/ericlippert/…...
PostgreSQL: Can you create an index in the CREATE TABLE definition?
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How do I show multiple recaptchas on a single page?
...tchas inside them explicitly.
This is easy with the google recaptcha api:
https://developers.google.com/recaptcha/docs/display#explicit_render
Here is the example html code:
<form>
<h1>Form 1</h1>
<div><input type="text" name="field1" placeholder="field1"><...
UI Design Pattern for Windows Forms (like MVVM for WPF)
... aren't any books about it. Since there are books about everything in the .NET world.
– bitbonk
Mar 10 '09 at 6:59
1
...
Get all column names of a DataTable into string array using (LINQ/Predicate)
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How to pass an ArrayList to a varargs method parameter?
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Working Soap client example
...elow requests from the Web Service at:
http://www.webservicex.net/uszip.asmx?op=GetInfoByCity
To call other WS, change the parameters below, which are:
- the SOAP Endpoint URL (that is, where the service is responding from)
- the SOAP Action
...
Check if a value is in an array (C#)
...ou can rely on some explicit interface implementation of the array. Since .NET 1.1 we have ((IList)printer).Contains("Jupiter") which is non-generic (may box value types etc.) and works even for multi-dimensional arrays. And since .NET 2.0 we have the more magical ((IList<string>)printer).Cont...