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New Array from Index Range Swift
... ArraySlice).
Therefore, you can use subscript(_:) with init(_:) in order to get a new array from the first n elements of an array:
let array = Array(10...14) // [10, 11, 12, 13, 14]
let arraySlice = array[0..<3] // using Range
//let arraySlice = array[0...2] // using ClosedRange also wor...
How set the android:gravity to TextView from Java side in Android
...ount() >= maxLines) {
TextView.setGravity(Gravity.BOTTOM);
}
In order for this to work correctly, you must use append() to the TextView, If you setText() this will not work.
TextView.append("Your Text");
The benefit of this method is that this can be used dynamically regardless of th...
How to printf “unsigned long” in C?
...ifier l, it then accepts an unsigned long int. The letters must be in that order: percent, length, conversion. (There are a few more options, such as width and precision, that you can add. See the man page, as it documents all this precisely!)
– Thanatos
Feb 14...
Get local IP address
...de still holds as valid, though it would be prudent to add a try..catch in order to handle such a situation, and return something like "127.0.0.1" if a SocketException were thrown.
– Russ
Sep 1 '16 at 13:38
...
TSQL - Cast string to integer or return default value
...ng main differences:
My logic does not tolerate occurrences of . or , in order to mimic the behaviour of native INT conversions. '1,234' and '1234.0' return NULL.
Since it does not use local variables, my function can be defined as an inline table-valued function, allowing for better query optimiz...
Difference between a Seq and a List in Scala
...
A Seq is an Iterable that has a defined order of elements. Sequences provide a method apply() for indexing, ranging from 0 up to the length of the sequence. Seq has many subclasses including Queue, Range, List, Stack, and LinkedList.
A List is a Seq that is implem...
How to create a release signed apk file using Gradle?
...imilar and relative to: $HOME/projects/mydev/MyApp/app/build.gradle. So in order to point to the MyApp-release-key.jks
file, what we need to put here is:
../../../MyApp-release-key.jks
Here, we also chose the "myapp" alias for the key. Then the final file should look:
storePassword=myStorePasswor...
When should I use the new keyword in C++?
... function returns, the following will happen:
First, b2 goes out of scope (order of destruction is always opposite of order of construction). But b2 is just a pointer, so nothing happens, the memory it occupies is simply freed. And importantly, the memory it points to (the bar instance on the heap) ...
Why does the 260 character path length limit exist in Windows?
... is defined as 260 characters. A local path is structured in the following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>"...
What is the curiously recurring template pattern (CRTP)?
...
};
template <class T>
T* Singleton<T>::p = nullptr;
Now, in order to make an arbitrary class A a singleton you should do this
class A: public Singleton<A>
{
//Rest of functionality for class A
};
So you see? The singleton template assumes that its specialization for any ty...