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Is Zookeeper a must for Kafka?
In Kafka, I would like to use only a single broker, single topic and a single partition having one producer and multiple consumers (each consumer getting its own copy of data from the broker). Given this, I do not want the overhead of using Zookeeper; Can I not just use the broker only? Why is a Zoo...
What is referential transparency?
What does the term referential transparency mean? I've heard it described as "it means you can replace equals with equals" but this seems like an inadequate explanation.
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How do I trim a file extension from a String in Java?
What's the most efficient way to trim the suffix in Java, like this:
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What database does Google use?
Is it Oracle or MySQL or something they have built themselves?
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Split a string by spaces — preserving quoted substrings — in Python
I have a string which is like this:
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Why Choose Struct Over Class?
Playing around with Swift, coming from a Java background, why would you want to choose a Struct instead of a Class? Seems like they are the same thing, with a Struct offering less functionality. Why choose it then?
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What is the difference between mutex and critical section?
Please explain from Linux, Windows perspectives?
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One SVN repository or many?
If you have multiple, unrelated projects, is it a good idea to put them in the same repository?
13 Answers
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How do I get a substring of a string in Python?
Is there a way to substring a string in Python, to get a new string from the third character to the end of the string?
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What are the use cases for selecting CHAR over VARCHAR in SQL?
I realize that CHAR is recommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe.
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