大约有 32,294 项符合查询结果(耗时:0.0529秒) [XML]

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Chaining multiple MapReduce jobs in Hadoop

.... There will be a similar method in the new mapreduce API but i'm not sure what it is. As far as removing intermediate data after a job has finished you can do this in your code. The way i've done it before is using something like: FileSystem.delete(Path f, boolean recursive); Where the path is the...
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Search and replace a line in a file in Python

... what's the point of fh, you use it in the close call but I don't see the point of creating a file just to close it... – Wicelo Sep 12 '14 at 6:24 ...
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Difference between string object and string literal [duplicate]

What is the difference between 13 Answers 13 ...
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How can I change my Cygwin home folder after installation?

.../download/win, you might have issues with the cygwin install (depending on what options you chose). My cygwin ~ ended up at my Win7 user directory and ssh wouldn't work correctly until editing /etc/passwd as described. – Allan May 22 '13 at 21:40 ...
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Remove Object from Array using JavaScript

..." from the array. Your answer assumes it's the first item in the array but what if Kristin is not in the first item? Then your answer doesn't work. – Rochelle C Oct 17 '12 at 15:29 ...
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Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.

What is the best practice if I want to require a relative file in Ruby and I want it to work in both 1.8.x and >=1.9.2? ...
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node.js hash string?

I have a string that I want to hash. What's the easiest way to generate the hash in node.js? 11 Answers ...
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Is it possible to change a UIButtons background color?

... This is what the OP is looking for. – Steven Oct 7 '11 at 5:33 4 ...
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How to check if a particular service is running on Ubuntu

... Thanks. The documentation doesn't say what the symbols next to each service mean. I'd guess that "+" means it's running and "-" means it isn't... then there's the "?" next to many. + means running? – Oscar Feb 18 '14 at 2:...
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How to get the last value of an ArrayList

... Won't work. what if the list is empty, list.size() will return 0. and you'll end up with list.get(-1); – FRR Jan 21 '15 at 19:36 ...