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What does (angle brackets) mean in Java?
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It's really simple. It's a new feature introduced in J2SE 5. Specifying angular brackets after the class name means you are creating a temporary data type which can hold any type of data.
Example:
class A<T>{
T obj;
void add(T obj){
this.obj=obj;
}
T ...
How do I use the new computeIfAbsent function?
...olgerHolger
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Why does Math.Floor(Double) return a value of type Double?
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Jon SkeetJon Skeet
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Boolean vs tinyint(1) for boolean values in MySQL
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155
These data types are synonyms.
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How to send cookies in a post request with the Python Requests library?
...tionaries.
import requests
cookies = {'enwiki_session': '17ab96bd8ffbe8ca58a78657a918558'}
r = requests.post('http://wikipedia.org', cookies=cookies)
Enjoy :)
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Can you break from a Groovy “each” closure?
...example will abort before processing the whole list:
def a = [1, 2, 3, 4, 5, 6, 7]
a.find {
if (it > 5) return true // break
println it // do the stuff that you wanted to before break
return false // keep looping
}
Prints
1
2
3
4
5
but doesn't print 6 or 7.
It's also really...
Is there a way to cause git-reflog to show a date alongside each entry?
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475
Per the man page, you can use git log options, e.g.,
git reflog --pretty=short
git reflog --dat...
What is hashCode used for? Is it unique?
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5 Answers
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Collection that allows only unique items in .NET?
...te elements.
– Rudolf Dvoracek
Oct 15 '18 at 11:04
Or instead of the item implementing IEquatable, you can pass a (cus...