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Arrow operator (->) usage in C
...d C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivalent of the . (dot) operator, but for pointers instead of members). But I am not e...
Hidden features of Scala
... (1, 3.14159, "Hello, world")
The right hand expression creates a Tuple3[Int, Double, String] which can match the pattern (a, b, c).
Most of the time your patterns use extractors that are members of singleton objects. For example, if you write a pattern like
Some(value)
then you're implicitly...
When should null values of Boolean be used?
...false while Boolean allows true , false , and null . I have started to convert my boolean s to Boolean s. This can cause crashes in tests such as
...
Acronyms in CamelCase [closed]
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To convert to CamelCase, there is also Google's (nearly) deterministic Camel case algorithm:
Beginning with the prose form of the name:
Convert the phrase to plain ASCII and remove any apostrophes.
For example, "Mül...
How to use an existing database with an Android application [duplicate]
...e static String DB_NAME ="YourDbName"; // Database name
private static int DB_VERSION = 1; // Database version
private final File DB_FILE;
private SQLiteDatabase mDataBase;
private final Context mContext;
public DataBaseHelper(Context context) {
super(context, DB_NAME, n...
A reference to the dll could not be added
...I used it but it has to do with registering COM servers so certain entry points need to be available. If regsvr32 fails the DLL doesn't provide those entry points and the DLL does not contain a COM component.
You only chance for using the DLL is to import it like any other non-.NET binary, e.g. whe...
How to use MDC with thread pools?
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Yes, this is a common problem I've run into as well. There are a few workarounds (like manually setting it, as described), but ideally you want a solution that
Sets the MDC consistently;
Avoids tacit bugs where the MDC is incorrect but you don't know it; and
Min...
Shortcut to create properties in Visual Studio?
...n tab twice. That would generate the field and the full property.
private int myVar;
public int MyProperty
{
get { return myVar;}
set { myVar = value;}
}
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How do I verify a method was called exactly once with Moq?
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Imagine we are building a calculator with one method for adding 2 integers. Let's further imagine the requirement is that when the add method is called, it calls the print method once. Here is how we would test this:
public interface IPrinter
{
void Print(int answer);
}
public class C...
Mapping composite keys using EF code first
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public string SomeId { get; set; }
[Key, Column(Order = 1)]
public int OtherId { get; set; }
}
You can also look at this SO question. If you want official documentation, I would recommend looking at the official EF website. Hope this helps.
EDIT: I just found a blog post from Julie Lerman...