大约有 44,000 项符合查询结果(耗时:0.0593秒) [XML]

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When to use ' (or quote) in Lisp?

After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen. ...
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How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?

My application does large data arrays processing and needs more memory than JVM gives by default. I know in Java it's specified by "-Xmx" option. How do I set SBT up to use particular "-Xmx" value to run an application with "run" action? ...
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How to change default timezone for Active Record in Rails?

In my application.rb I came across the following comment 10 Answers 10 ...
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How does a hash table work?

I'm looking for an explanation of how a hash table works - in plain English for a simpleton like me! 15 Answers ...
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What does $@ mean in a shell script?

What does a dollar sign followed by an at-sign ( @ ) mean in a shell script? 6 Answers ...
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Does Python have “private” variables in classes?

I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms . 12 Answers ...
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Request is not available in this context

I'm running IIS 7 Integrated mode and I'm getting 11 Answers 11 ...
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How is Node.js inherently faster when it still relies on Threads internally?

I just watched the following video: Introduction to Node.js and still don't understand how you get the speed benefits. 6 ...
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How to format date in angularjs

I want to format date as mm/dd/yyyy . I tried the following and none of it works for me. Can anyone help me with this? 15 ...
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How can I split a text into sentences?

...The Natural Language Toolkit (nltk.org) has what you need. This group posting indicates this does it: import nltk.data tokenizer = nltk.data.load('tokenizers/punkt/english.pickle') fp = open("test.txt") data = fp.read() print '\n-----\n'.join(tokenizer.tokenize(data)) (I haven't tried it!) ...