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Ensuring json keys are lowercase in .NET
... a custom contract resolver for this. The following contract resolver will convert all keys to lowercase:
public class LowercaseContractResolver : DefaultContractResolver
{
protected override string ResolvePropertyName(string propertyName)
{
return propertyName.ToLower();
}
}
...
Static function variables in Swift
...t. Try declaring a private struct with static variable.
func foo() -> Int {
struct Holder {
static var timesCalled = 0
}
Holder.timesCalled += 1
return Holder.timesCalled
}
7> foo()
$R0: Int = 1
8> foo()
$R1: Int = 2
9> foo()
$R2: Int = 3
...
How to get an enum which is created in attrs.xml in code
...6 in your example
if (a.hasValue(R.styleable.IconView_icon)) {
int value = a.getInt(R.styleable.IconView_icon, 0));
}
a.recycle();
}
If you want the value into an enum you would need to either map the value into a Java enum yourself, e.g.:
private enum Format {
enum_name_...
Why does sizeof(x++) not increment x?
...ype. The size is determined from the type of the operand. The result is an integer. If the type of the operand is a variable length array type, the operand is evaluated; otherwise, the operand is not evaluated and the result is an integer constant.
...
Check whether number is even or odd
...
You can use the modulus operator, but that can be slow. If it's an integer, you can do:
if ( (x & 1) == 0 ) { even... } else { odd... }
This is because the low bit will always be set on an odd number.
share
...
SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
...have CourseID on table Category?
Maybe you should restructure your schema into this,
CREATE TABLE Categories
(
Code CHAR(4) NOT NULL PRIMARY KEY,
CategoryName VARCHAR(63) NOT NULL UNIQUE
);
CREATE TABLE Courses
(
CourseID INT NOT NULL PRIMARY KEY,
BookID INT NOT NULL,
CatCode CHAR(4) ...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
... updating record fields. In GHCi you can do --
> data Foo = Foo { a :: Int, b :: Int, c :: String } -- define a Foo
> let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo
> let updateFoo x = x { c = "Goodbye" } -- function to update Foos
> updateFoo foo ...
How does '20 seconds' work in Scala?
...0.seconds()*.
Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches for an implicit conversion that takes an Int and returns something that does have a seconds method, with the search constrained by the scope of your method call.
You h...
Difference between Math.Floor() and Math.Truncate()
... Here's the reference.
For completeness, Math.Round rounds to the nearest integer. If the number is exactly midway between two integers, then it rounds towards the even one. Reference.
See also: Pax Diablo's answer. Highly recommended!
...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
...
The difference here is that in the setTextSize(int size) method, the unit type by default is "sp" or "scaled pixels". This value will be a different pixel dimension for each screen density (ldpi, mdpi, hdpi).
getTextSize(), on the other hand, returns the actual pixel di...