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Dynamically replace the contents of a C# method?
... including a reference to System.Reflection.Emit, Harmony now compiles and tests OK with .NET Core 3
– Andreas Pardeike
May 2 '19 at 5:48
1
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What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
...mporting the project if you Update Project Configuration as I wrote. I did test this 3 times and it just works on my machine.
– Pascal Thivent
Aug 21 '10 at 22:43
...
Share cookie between subdomain and domain
...omain.com to share cookies.
See also:
www vs no-www and cookies
cookies test script to try it out
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varbinary to string on SQL Server
...20697320612074657374
select cast(@b as varchar(max)) /*Returns "This is a test"*/
This is the equivalent of using CONVERT with a style parameter of 0.
CONVERT(varchar(max), @b, 0)
Other style parameters are available with CONVERT for different requirements as noted in other answers.
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MySQL: selecting rows where a column is null
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To search for column values that are NULL, you cannot use an expr = NULL test. The following statement returns no rows, because expr = NULL is never true for any expression
Solution
SELECT pid FROM planets WHERE userid IS NULL;
To test for NULL, use the IS NULL and IS NOT NULL operators.
opera...
Difference between Inheritance and Composition
...r example :
class X implements R
{}
class Y implements R
{}
public class Test{
R r;
}
In Test class using r reference I can invoke methods of X class as well as Y class. This flexibility was never there in inheritance
3) Another great advantage : Unit testing
public class X {
p...
Why does Double.NaN==Double.NaN return false?
...ality predicates are non-signaling so x = x returning false can be used to test if x is a quiet NaN.
Java treats all NaN as quiet NaN.
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Android - Start service on boot
...d("TAG", "MyReceiver");
Intent serviceIntent = new Intent(context, Test1Service.class);
context.startService(serviceIntent);
}
}
public class Test1Service extends Service {
/** Called when the activity is first created. */
@Override
public void onCreate() {
...
How to check if an object is nullable?
... boxed, but you can with generics:
- so how about below. This is actually testing type T, but using the obj parameter purely for generic type inference (to make it easy to call) - it would work almost identically without the obj param, though.
static bool IsNullable<T>(T obj)
{
if (obj =...
Does a method's signature in Java include its return type?
...el, "return type" is part of method signature. Consider this
public class Test1 {
public Test1 clone() throws CloneNotSupportedException {
return (Test1) super.clone();
}
}
in bytecode there are 2 clone() methods
public clone()LTest1; throws java/lang/CloneNotSupportedException...