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Java 8: performance of Streams vs Collections
... 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
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Node.js / Express.js - How does app.router work?
...at I think happens when working with middleware. To use middleware, the function to use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middleware get called. That means that the order in which I place my middlewa...
Difference between Big-O and Little-O Notation
What is the difference between Big-O notation O(n) and Little-O notation o(n) ?
4 Answers
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*.h or *.hpp for your class definitions
I've always used a *.h file for my class definitions, but after reading some boost library code, I realised they all use *.hpp . I've always had an aversion to that file extension, I think mainly because I'm not used to it.
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What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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What's the difference between a catalog and a schema in a relational database?
I used to think schema were the "upper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
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How can I launch Safari from an iPhone app?
This might be a rather obvious question, but can you launch the Safari browser from an iPhone app?
7 Answers
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Is it possible to rename a maven jar-with-dependencies?
I'm currently using the jar-with-dependencies assembly to create such a jar. However, the name of my jar is a bit long.
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Understanding NSRunLoop
Can anyone explain for what is NSRunLoop ? so as I know NSRunLoop is a something connected with NSThread right? So assume I create a Thread like
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