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How to add line break for UILabel?
Let see that I have a string look like this:
21 Answers
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How to make a new List in Java
...eate a list that has things in it (though it will be fixed size):
List<String> messages = Arrays.asList("Hello", "World!", "How", "Are", "You");
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Removing first x characters from string?
How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
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%Like% Query in spring JpaRepository
...i.e. using the single line
List<Registration> findByPlaceContaining(String place);
is sufficient.
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count vs length vs size in a collection
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Length() tends to refer to contiguous elements - a string has a length for example.
Count() tends to refer to the number of elements in a looser collection.
Size() tends to refer to the size of the collection, often this can be different from the length in cases like vect...
C++ equivalent of Java's toString?
...a custom class. Is that possible in C++? In Java you could override the toString() method for similar purpose.
5 Answers
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How to randomize two ArrayLists in the same fashion?
... a single array or List of those objects.
public class Data {
private String txtFileName;
private String imgFileName;
// Add/generate c'tor, getter/setter, equals, hashCode and other boilerplate.
}
Usage example:
List<Data> list = new ArrayList<Data>();
list.add(new Data...
How to cast an Object to an int
...dered/boxed as an Integer then stored as an Object.
If your object is a String, then you can use the Integer.valueOf() method to convert it into a simple int :
int i = Integer.valueOf((String) object);
It can throw a NumberFormatException if your object isn't really a String with an integer as...
Replace only some groups with Regex
...eed to identify them or not. That way you can use them in your replacement string. For example:
var pattern = @"(-)(\d+)(-)";
var replaced = Regex.Replace(text, pattern, "$1AA$3");
or using a MatchEvaluator:
var replaced = Regex.Replace(text, pattern, m => m.Groups[1].Value + "AA" + m.Groups...
How to validate GUID is a GUID
How to determine if a string contains a GUID vs just a string of numbers.
9 Answers
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