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问题 For example, given record -record(item, { id, time, status}). I want to search the 1000 to 1100 items, ordered by time and status =:= <<"finished">> Any suggestions? 回答1: It depends on what your queries look like. If you need to order by lots of different columns, then I'd consider using SQL instead of Mnesia. But if you only need the kind of query you described, you should be able to use the ordered_set type of table to handle the ordering and mnesia:select/4 to handle pagination and the

问题 I am trying to change the aspx file icon from default icon to customized icon. I edited the xsl of the results.aspx page "fetched properties" for this section. I wanted to make sure that LegalDoc16.gif icons are displayed for the items who has "LegalDocument" content type. Please let me know if I dont have to syntaxed properly configured. I can do a search like ContentType:"legaldocument" and I get all the documents. so I know contenttype metadata property is being pulled. Please suggest.

问题 I am using Django, haystack, solr, to do searching. Ive am able to search and now I would like to find similar items using more_like_this. When I try to use the more_like_this functionality I get back all of the objects that are of that model type instead of just the ones that closely match it. Here is some code to show you how I am using it: def resource_view(request, slug): resource = Resource.objects.get(slug=slug) versions = Version.objects.get_for_object(resource) related =

问题 I am using Django, haystack, solr, to do searching. Ive am able to search and now I would like to find similar items using more_like_this. When I try to use the more_like_this functionality I get back all of the objects that are of that model type instead of just the ones that closely match it. Here is some code to show you how I am using it: def resource_view(request, slug): resource = Resource.objects.get(slug=slug) versions = Version.objects.get_for_object(resource) related =

问题 I am trying to substring search >>>str1 = 'this' >>>str2 = 'researching this' >>>str3 = 'researching this ' >>>"[^a-z]"+str1+"[^a-z]" in str2 False >>>"[^a-z]"+str1+"[^a-z]" in str3 False I wanted to True when looking in str3. what am I doing wrong? 回答1: You want Python's re module: >>> import re >>> regex = re.compile(r"\sthis\s") # \s is whitespace >>> # OR >>> regex = re.compile(r"\Wthis\W") >>> # \w is a word character ([a-zA-Z0-9_]), \W is anything but a word character >>> str2 =

问题 I googled these days but nothing helps. I m not sure now if its possible, so I thought I just aks at stackoverflow. The situation: The user can input a word or in a inputbox. When he finishes a function check if the word is in the array of words - easy. Now I wanna write a help, if one letter is missing or the letters are written the wrong way, a message should popout. What are the keys to search for? I tried: javascript find string in array javascript find similar words in array javascript

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 months ago . I understand that the Binary search is more efficient than the Linear search in a sorted list and a large list, but what if we have a large list but not sorted , which one we use linear search or binary search? 回答1: The concept of binary search can only work on sorted inputs .

问题 I have been trying to get my Solr schema (using Solr 1.3.0) to create terms that are tokenized by whitespace and punctuation. Here are some examples on what I would like to see happen: terms given -> terms tokenized foo-bar -> foo,bar one2three4 -> one2three4 multiple words/and some-punctuation -> multiple,words,and,some,punctuation I thought that this combination would work: <fieldType name="text" class="solr.TextField" positionIncrementGap="100"> <analyzer type="index"> <tokenizer class=

问题 Looking for a solution to search through a list of Zip Codes. I have a text file with a bunch of zip codes that we service. Would like to have a form on the website asking for the user to input their zip code to see if we service that area. If it does, display a message saying that we do, if not, saying that we don't. Thought PHP would be the best solution for my problem, but I'm a total noob when it comes to that. I have my form set up, I'm just not sure how to search the text file and

问题 How do I configure HAYSTACK_SOLR_URL when using multiple cores? I've set it to the address of core0, and that works, but only using one core… The docs aren't that obvious to me… it just says ... # ...or for multicore... HAYSTACK_SOLR_URL = 'http://127.0.0.1:8983/solr/mysite' What is mysite? I'm actually running apache-solar-3.3.0/example with the multicore directory copied over the example directory, and the schema and conf files/directories updated. Many thanks. 回答1: <cores adminPath="/admin