大约有 20,000 项符合查询结果(耗时:0.0391秒) [XML]

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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

I'm currently looking at other search methods rather than having a huge SQL query. I saw elasticsearch recently and played with whoosh (a Python implementation of a search engine). ...
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Cross compile Go on OSX?

I am trying to cross-compile a go app on OSX to build binaries for windows and linux. I have read everything what I could find on the net. Closest example that I have found has been published on (apart from many unfinished discussions on go-nuts mailing list): ...
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How do I create a custom Error in JavaScript?

For some reason it looks like constructor delegation doesn't work in the following snippet: 23 Answers ...
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When to use IList and when to use List

...t is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type? ...
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iOS 6: How do I restrict some views to portrait and allow others to rotate?

... the last view should be allowed to rotate to landsm>cam>pe. When returning from the fourth view to the third and the fourth view was in landsm>cam>pe orientation I want everything to rotate back to portrait. ...
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How to install both Python 2.x and Python 3.x in Windows

I do most of my programming in Python 3.x on Windows 7, but now I need to use the Python Imaging Library (PIL), ImageMagick, and wxPython, all of which require Python 2.x. ...
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What is the fastest way to compare two sets in Java?

I am trying to optimize a piece of code which compares elements of list. 9 Answers 9 ...
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How to improve performance of ngRepeat over a huge dataset (angular.js)?

...a huge dataset of several thousand rows with around 10 fields each, about 2MBs of data. I need to display it in the browser. Most straightforward approach (fetch data, put it into $scope , let ng-repeat="" do its job) works fine, but it freezes the browser for about half of a minute when it start...
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How to prevent ifelse() from turning Date objects into numeric objects

I am using the function ifelse() to manipulate a date vector. I expected the result to be of class Date , and was surprised to get a numeric vector instead. Here is an example: ...
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How to detect a Christmas Tree? [closed]

Which image processing techniques could be used to implement an applim>cam>tion that detects the Christmas trees displayed in the following images? ...