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Delete topic in Kafka 0.8.1.1

...: This will have no impact if delete.topic.enable is not set to true. Is it possible to delete a topic? Jira KAFKA-1397 share | improve this answer | follow ...
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How to detect internet speed in JavaScript?

...te a JavaScript page that will detect the user’s internet speed and show it on the page? Something like “your internet speed is ??/?? Kb/s” . ...
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What is the meaning of id?

... id is a pointer to any type, but unlike void * it always points to an Objective-C object. For example, you can add anything of type id to an NSArray, but those objects must respond to retain and release. The compiler is totally happy for you to implicitly cast any object...
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What are the most common SQL anti-patterns? [closed]

All of us who work with relational databases have learned (or are learning) that SQL is different. Eliciting the desired results, and doing so efficiently, involves a tedious process partly characterized by learning unfamiliar paradigms, and finding out that some of our most familiar programming p...
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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent

I'm having the following issue when trying to update my entity: 23 Answers 23 ...
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Difference between char* and const char*?

...const char * to char* is deprecated. char* const is an immutable pointer (it cannot point to any other location) but the contents of location at which it points are mutable. const char* const is an immutable pointer to an immutable character/string. ...
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How does functools partial do what it does?

...unction (a callable, to be precise) that behaves like sum2, but has one positional argument less. That missing argument is always substituted by 4, so that partial(sum2, 4)(2) == sum2(4, 2) As for why it's needed, there's a variety of cases. Just for one, suppose you have to pass a function somewhe...
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How to set data attributes in HTML elements

I have a div with an attribute data-myval = "10" . I want to update its value; wouldn't it change if I use div.data('myval',20) ? Do I need to use div.attr('data-myval','20') only? ...
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How to calculate dp from pixels in android programmatically [duplicate]

I want to calculate dp from px programmatically. How to do it? I get resolution from: 4 Answers ...
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How do you create a dropdownlist from an enum in ASP.NET MVC?

...e the Html.DropDownList extension method but can't figure out how to use it with an enumeration. 36 Answers ...