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List distinct values in a vector in R

How can I list the distinct values in a vector where the values are replicative? I mean, similarly to the following SQL statement: ...
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Client-server synchronization pattern / algorithm?

I have a feeling that there must be client-server synchronization patterns out there. But i totally failed to google up one. ...
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?

Haskell's website introduces a very attractive 5-line quicksort function , as seen below. 11 Answers ...
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Java: recommended solution for deep cloning/copying an instance

I'm wondering if there is a recommended way of doing deep clone/copy of instance in java. 9 Answers ...
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How to call a parent method from child class in javascript?

I've spent the last couple of hours trying to find a solution to my problem but it seems to be hopeless. 8 Answers ...
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How can I export the schema of a database in PostgreSQL?

..._dump -s databasename Will dump only the schema to stdout as .sql. For windows, you'll probably want to call pg_dump.exe. I don't have access to a Windows machine but I'm pretty sure from memory that's the command. See if the help works for you too. ...
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Base64 encoding in SQL Server 2005 T-SQL

I'd like to write a T-SQL query where I encode a string as a Base64 string. Surprisingly, I can't find any native T-SQL functions for doing Base64 encoding. Does a native function exist? If not, what's the best way to do Base64 encoding in T-SQL? ...
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How to use timeit module

...nd the concept of what timeit does but I am not sure how to implement it in my code. 14 Answers ...
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JavaScript loop through json array?

I am trying to loop through the following json array: 11 Answers 11 ...
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ReSharper warns: “Static field in generic type”

...ly has a static readonly field for each of the possible EnumRouteConstraint<T> that I happen to instance. 4 Answe...