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问题 Here is my implementation of BMH algorithm (it works like a charm): public static Int64 IndexOf(this Byte[] value, Byte[] pattern) { if (value == null) throw new ArgumentNullException("value"); if (pattern == null) throw new ArgumentNullException("pattern"); Int64 valueLength = value.LongLength; Int64 patternLength = pattern.LongLength; if ((valueLength == 0) || (patternLength == 0) || (patternLength > valueLength)) return -1; Int64[] badCharacters = new Int64[256]; for (Int64 i = 0; i < 256;

问题 I am working on Solr in my application. I am using apache-solr-solrj-1.4.0.jar . When I try to call add(SolrInputDocument doc) from CommonsHttpSolrServer , I am getting the following exception: org.apache.solr.common.SolrException: Internal Server Error Internal Server Error at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:424) at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:243) at org.apache.solr

问题 In Eclipse editor, if I go Search->File, I can search for files that contain my search term. What I want to do is find all of the files that DO NOT contain my search term. Is that possible? 回答1: Try checking "regular expression" option and then input somethign like [^term] or (?!term) -- meaning of both of this is 'not term' but they are slightly different (please refer to some RegExp documentation like this). 回答2: This expression should work (reference): (?s)\A((?!YourSearchText).)*\Z 回答3:

问题 How do I search for all unique values of a given field with Elasticsearch ? I have such a kind of query like select full_name from authors , so I can display the list to the users on a form. 回答1: You could make a terms facet on your 'full_name' field. But in order to do that properly you need to make sure you're not tokenizing it while indexing, otherwise every entry in the facet will be a different term that is part of the field content. You most likely need to configure it as 'not_analyzed'

问题 Lucene's manual has explained the meaning of proximity search for a phrase with two words clearly, such as the "jakarta apache"~10 example in http://lucene.apache.org/core/2_9_4/queryparsersyntax.html#Proximity Searches However, I am wondering what does a search like "jakarta apache lucene"~10 exactly do? Does it allow neighboring words to be at most 10 words apart, or all pairs of words to be that? Thanks! 回答1: The slop (proximity) works like an edit distance (see PhraseQuery.setSlop). So,

问题 I'm new at Flutter and I'm trying to build a simple google maps app. I've already implemented google maps to the app and it is running perfect. But now I want to add google maps autocomplete and I can't find a simple tutorial or example that is focused on it. I have a TextField and I want to show places and addresses below it according to what the user types. After showing the results, I need to get its latitude and longitude to mark on the map. The code below represents my BottomSheet, that

问题 I have an std::map and I want to search for a key using a substring. For example, I have the following code: #include <iostream> #include <map> #include <string> using namespace std; typedef std::map<std::string, std::string> TStrStrMap; typedef std::pair<std::string, std::string> TStrStrPair; int main(int argc, char *argv[]) { TStrStrMap tMap; tMap.insert(TStrStrPair("John", "AA")); tMap.insert(TStrStrPair("Mary", "BBB")); tMap.insert(TStrStrPair("Mother", "A")); tMap.insert(TStrStrPair(

问题 I have this view called posts.blade.php which gets included in home.blade.php : <div id="posts"> @foreach ($posts as $post) <div class="list-item clearfix"> <div class="content"> <img src="{{ URL::to($post->thumbnail) }}" alt="" /> <h1>{{{ $post->title }}}</h1> </div> <div class="score">{{ $post->rating }}</div> </div> @endforeach <div id="pagination">{{{ $posts->links() }}}</div> </div> When a user searches for certain posts, the controller's postSearch() function returns a JSON response:

问题 I need to search throughout the work-space for all files containing "String1" or "String2".How to achieve this in eclipse search ? 回答1: Search -> File... In Containing text enter String1|String2 and check Regular expression . As scope you have to select Workspace 回答2: If you "pin" a search and open a new search window, the results from both searches will be highlighted throughout. 来源： https://stackoverflow.com/questions/7482688/search-multiple-strings-in-eclipse

问题 I need to search throughout the work-space for all files containing "String1" or "String2".How to achieve this in eclipse search ? 回答1: Search -> File... In Containing text enter String1|String2 and check Regular expression . As scope you have to select Workspace 回答2: If you "pin" a search and open a new search window, the results from both searches will be highlighted throughout. 来源： https://stackoverflow.com/questions/7482688/search-multiple-strings-in-eclipse