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NSLog the method name with Objective-C in iPhone
...
print(__FUNCTION__) // Swift
NSLog(@"%@", NSStringFromSelector(_cmd)); // Objective-C
Swift 3 and above
print(#function)
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Pair/tuple data type in Go
...ng the final exercise of the Tour of Go , I decided I needed a queue of ( string , int ) pairs. That's easy enough:
3 Ans...
Try-catch speeding up my code?
... I’ve always wondered why the C# compiler generates so many extraneous locals. For example, new array initialisation expressions always generate a local, but is never necessary to generate a local. If it allows the JITter to produce measurably more performant code, perhaps the C# comp...
How to sort an IEnumerable
How can I sort an IEnumerable<string> alphabetically. Is this possible?
4 Answers
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Scala constructor overload?
...tor is the sole point of entry to the class.
class Foo(x: Int, y: Int, z: String) {
// default y parameter to 0
def this(x: Int, z: String) = this(x, 0, z)
// default x & y parameters to 0
// calls previous auxiliary constructor which calls the primary constructor
def this(z:...
Log4Net, how to add a custom field to my logging
...r>
<parameterName value="@CustomColumn"/>
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%property{CustomColumn}" />
</layout>
</parameter>
3) Then use one of log...
Appending an element to the end of a list in Scala
...e element is appended, and the ListBuffer converted back (pretty much like String and StringBuilder in Java), but that's just a guess.
– Landei
Aug 9 '13 at 9:27
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class
...). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
obj.to_s
end
end
end
String.value_of 42 # => "42"
This can also be written as a shorthand:
class String
def self.value_of obj
obj.to_s
end
end
O...
Storing integer values as constants in Enum manner in java [duplicate]
...e() {
return constValue;
}
}
public static void main(String[] args) {
System.out.println("Name: " + PAGE.SIGN_CREATE.name());
System.out.println("Ordinal: " + PAGE.SIGN_CREATE.ordinal());
System.out.println("Const: " + PAGE.SIGN_CREATE.constValue());
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Difference between UTF-8 and UTF-16?
... byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases.
No null bytes, which allows to use null-terminated strings, this introduces a great deal of backwards compatibility too.
UTF-8 is indepe...