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Limit a stream by a predicate
Is there a Java 8 stream operation that limits a (potentially infinite) Stream until the first element fails to match a predicate?
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Add primary key to existing table
I have an existing table called Persion . In this table I have 5 columns:
10 Answers
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Oracle “Partition By” Keyword
Can someone please explain what the partition by keyword does and give a simple example of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does.
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How to enumerate an enum with String type?
For example, how can I do something like:
42 Answers
42
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
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Why would an Enum implement an Interface?
I just found out that Java allows enums to implement an interface. What would be a good use case for that?
16 Answers
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How to get index using LINQ? [duplicate]
Given a datasource like that:
7 Answers
7
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How can you iterate over the elements of an std::tuple?
How can I iterate over a tuple (using C++11)? I tried the following:
20 Answers
20
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
Consider the following simple speed test for arrayfun :
2 Answers
2
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Variable number of arguments in C++?
How can I write a function that accepts a variable number of arguments? Is this possible, how?
17 Answers
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