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Why does my application spend 24% of its life doing a null check?
I've got a performance critical binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it.
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Why does Stream not implement Iterable?
In Java 8 we have the class Stream<T> , which curiously have a method
9 Answers
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How do I convert CamelCase into human-readable names in Java?
I'd like to write a method that converts CamelCase into a human-readable name.
12 Answers
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What is a Python egg?
I'm new to Python and am just trying to understand how its packages work. Presumably "eggs" are some sort of packaging mechanism, but what would be a quick overview of what role they play and may be some information on why they're useful and how to create them?
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How do I break out of a loop in Scala?
How do I break out a loop?
19 Answers
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
I'm looking for some guidelines that one can use to help determine which type of scope to use when writing a new directive. Ideally, I'd like something similar to a flowchart that walks me through a bunch of questions and out pops the correct answer – no new new scope, new child scope, or new isol...
std::string formatting like sprintf
I have to format std::string with sprintf and send it into file stream. How can I do this?
40 Answers
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Facebook database design?
I have always wondered how Facebook designed the friend user relation.
13 Answers
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How to validate phone numbers using regex
I'm trying to put together a comprehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US formats, including the following:
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Insert line after first match using sed
For some reason I can't seem to find a straightforward answer to this and I'm on a bit of a time crunch at the moment. How would I go about inserting a choice line of text after the first line matching a specific string using the sed command. I have ...
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