大约有 42,000 项符合查询结果(耗时:0.0386秒) [XML]

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Should I always use a parallel stream when possible?

With Java 8 and lambdas it's easy to iterate over collections as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream: ...
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Why do people say that Ruby is slow? [closed]

I like Ruby on Rails and I use it for all my web development projects. A few years ago there was a lot of talk about Rails being a memory hog and about how it didn't scale very well but these suggestions were put to bed by Gregg Pollack here. ...
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What is the difference between Amazon S3 and Amazon EC2 instance?

I need to create a web application using php mysql and html. The no.of requests and data will be very high. I need Amazon server space. ...
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AWS: How to disable all services?

I was dorking around with AWS (and related services), hoping that I could stay in the Free Tier, like I do when I'm exploring Google App Engine. ...
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Why do we use Base64?

... Your first mistake is thinking that ASCII encoding and Base64 encoding are interchangeable. They are not. They are used for different purposes. When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes. When you encode data in Base64,...
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What is the advantage of using REST instead of non-REST HTTP?

...dy really agrees on what REST is. The wikipedia page is heavy on buzzwords and light on explanation. The discussion page is worth a skim just to see how much people disagree on this. As far as I can tell however, REST means this: Instead of having randomly named setter and getter URLs and using GET...
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What is the HMVC pattern?

...n instead of MVC as version 2.x does. The page about this in Kohana's docs and the one on wikipedia didn't really give me a clear idea. ...
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What's the difference between backtracking and depth first search?

What's the difference between backtracking and depth first search? 13 Answers 13 ...
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Managing Sessions in Node.js? [closed]

.../ It seems to be the most used node.js framework. Is like Sinatra for Ruby and runs on top of connect. Geddy: http://geddyjs.org/ If you want to do more complex WebApps, Geddy is the one you choose. Is like Rails for Ruby. ...
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Is floating point math broken?

...is like this. In most programming languages, it is based on the IEEE 754 standard. The crux of the problem is that numbers are represented in this format as a whole number times a power of two; rational numbers (such as 0.1, which is 1/10) whose denominator is not a power of two cannot be exactly re...