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Likelihood of collision using most significant bits of a UUID in Java
If I'm using Long uuid = UUID.randomUUID().getMostSignificantBits() how likely is it to get a collision. It cuts off the least significant bits, so there is a possibility that you run into a collision, right?
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
..."rule" of one assertion per test and blends more easily with BDD-style specifications.
– Nils Wloka
Nov 20 '09 at 14:10
2
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How to style a div to be a responsive square? [duplicate]
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This solution doesn't play nice with a grid system. If you're looking at squares expanding with columns width, the answer of @rahulbehl works better.
– eightyfive
Sep 11 '14 at 2:41
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“new” keyword in Scala
...r to a class's own constructor:
class Foo { }
val f = new Foo
Omit new if you are referring to the companion object's apply method:
class Foo { }
object Foo {
def apply() = new Foo
}
// Both of these are legal
val f = Foo()
val f2 = new Foo
If you've made a case class:
case class Foo()
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How to mock localStorage in JavaScript unit tests?
...lStorage, 'clear').andCallFake(function () {
store = {};
});
});
If you want to mock the local storage in all your tests, declare the beforeEach() function shown above in the global scope of your tests (the usual place is a specHelper.js script).
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Programmatically shut down Spring Boot application
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If I use ctx.close(); there is no need to call System.exit(n) at the end right? context close() should have System.exit() inside?
– Denys
Nov 7 '19 at 17:59
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How can I get maven-release-plugin to skip my tests?
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Do you need some specific config in the pom to make this work?
– DenCowboy
Jun 14 '18 at 13:19
add a comment
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What does the keyword Set actually do in VBA?
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@Neil - the link is there if you click MSDN in my post.
– Galwegian
Dec 8 '08 at 14:10
2
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Java Regex Capturing Groups
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The issue you're having is with the type of quantifier. You're using a greedy quantifier in your first group (index 1 - index 0 represents the whole Pattern), which means it'll match as much as it can (and since it's any character, it'll match as many characters as there ar...
How to delete duplicate rows in SQL Server?
...)
FROM dbo.Table1
)
DELETE FROM CTE WHERE RN > 1
DEMO (result is different; I assume that it's due to a typo on your part)
COL1 COL2 COL3 COL4 COL5 COL6 COL7
john 1 1 1 1 1 1
sally 2 2 2 2 2 2
This examp...