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How do I make the method return type generic?
... define callFriend this way:
public <T extends Animal> T callFriend(String name, Class<T> type) {
return type.cast(friends.get(name));
}
Then call it as such:
jerry.callFriend("spike", Dog.class).bark();
jerry.callFriend("quacker", Duck.class).quack();
This code has the benefit...
How to format date in angularjs
...g datepicker or just trying to use it's formatter), those supported format strings are here: https://api.jqueryui.com/datepicker/
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How to embed small icon in UILabel
...init];
attachment.image = [UIImage imageNamed:@"MyIcon.png"];
NSAttributedString *attachmentString = [NSAttributedString attributedStringWithAttachment:attachment];
NSMutableAttributedString *myString= [[NSMutableAttributedString alloc] initWithString:@"My label text"];
[myString appendAttributedS...
How can I do division with variables in a Linux shell?
...tor in case statements than it can't resolve it.
In that case use simple strings like div or devide or something else.
See the code
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The opposite of Intersect()
...ared the two in a real application where I had a couple lists of about 125 strings in each of them. Using the first approach is actually faster for lists of that size, though its mostly insignificant as both approaches where under half a millisecond.
– Dan
May...
Ruby array to string conversion
...31'].join(', ')
EDIT:
"'#{['12','34','35','231'].join("', '")}'"
Some string interpolation to add the first and last single quote :P
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Databinding an enum property to a ComboBox in WPF
...ption = GetDescription(enumValue)
}).ToArray();
}
private string GetDescription(object enumValue)
{
var descriptionAttribute = EnumType
.GetField(enumValue.ToString())
.GetCustomAttributes(typeof (DescriptionAttribute), false)
.FirstOrDefault() as D...
How do I pass a string into subprocess.Popen (using the stdin argument)?
...current Python 3 version, you could use subprocess.run, to pass input as a string to an external command and get its exit status, and its output as a string back in one call:
#!/usr/bin/env python3
from subprocess import run, PIPE
p = run(['grep', 'f'], stdout=PIPE,
input='one\ntwo\nthree\...
Boolean.hashCode()
...s a sensible prime for hashcode calculation?
Why does Java's hashCode() in String use 31 as a multiplier?
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Replace all spaces in a string with '+' [duplicate]
I have a string that contains multiple spaces. I want to replace these with a plus symbol. I thought I could use
9 Answers...