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问题 TAGS tag_id post_id value ------------------------ 1 1 some 2 1 good 3 1 title 4 2 some 5 2 good 6 3 some 7 4 good 8 4 title POSTS post_id title ------------------- 1 some good title 2 some good 3 some 4 good title how can we get the post_id = 1 and 2 that contains value some and good in the same post_id? so the result is RESULT title ---------- some good title some good good title dosent show becouse there is no some value in post_id = 4 in tags. some doesnt show beouse the requirement good

问题 I've got a UUID field I'm adding to my document in the following format: 372d325c-e01b-432f-98bd-bc4c949f15b8. However, when I try to query for documents by the UUID it will not return them no matter how I try to escape the expression. For example: +uuid:372d325c-e01b-432f-98bd-bc4c949f15b8 +uuid:"372d325c-e01b-432f-98bd-bc4c949f15b8" +uuid:372d325c\-e01b\-432f\-98bd\-bc4c949f15b8 +uuid:(372d325c-e01b-432f-98bd-bc4c949f15b8) +uuid:("372d325c-e01b-432f-98bd-bc4c949f15b8") And even skipping the

问题 Hello everyone hoping you can help me here, My problem is that I need to be able to search through an ArrayList using binary search and find where the correct place to add an object so that the list stays in order. I cannot use the collections sort as this is a homework. I have correctly implemented a boolean method that tells if the list contains an item you want to search for. That code is here: public static boolean search(ArrayList a, int start, int end, int val){ int middle = (start +

问题 I have a bit of Latex code with lots of maths expressions enclosed in \mathrm{}. I'd like to remove the \mathrm{} code around the expressions, preferrably using emacs. For example, I'd like to substitute \mathrm{\gamma \cdot x_0} with \gamma \cdot x_0 Removing \mathrm{ only is easy, but I also need to remove the closing bracket. How can I do this in emacs? Many thanks, Enno 回答1: You can use back references to tackle this problem. Run M-x query-replace-regexp and enter \\mathrm{\([\a-z0-9_ ]+\

问题 I am creating a FileFinder class, where you can do a search like this: var fileFinder = new FileFinder( new string[] { "C:\\MyFolder1", "C:\\MyFolder2" }, new string[] { "*.txt", "*.doc" } ); fileFinder.FileFound += new EventHandler<FileFinderEventArgs>(FileFinder_FileFound); DoSearch(); If I executed that code, FileFinder_FileFound would be called every time a *.txt or *.doc file was found in C:\\MyFolder1 and its subfolders, or C:\\MyFolder2 and its subfolders. Sot the class looks through

问题 i have following tables. the entry table describe +-------------+-------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-------------+-------------------+------+-----+---------+----------------+ | id | int(11) unsigned | NO | PRI | NULL | auto_increment | | title | varchar(255) | YES | | NULL | | | slug | varchar(255) | YES | | NULL | | | description | text | YES | | NULL | | | user_id | int(10) unsigned | NO | | NULL | | | unsafe | enum(

问题 We need to create search input field like it is on _http://maps.google.com The key functionality is suggest list with appropriate results. We have not found this feature in API. Analyzing maps.google.com we see that suggest list is received from get request to this url https://maps-api-ssl.google.com/maps/suggest?q=%D0%BC%D0%BE%D1%81&cp=... There are many parameters, including data from search field. This get request returns our suggest list. Is there a possibility to use this url in our

问题 How can i implement my Combobox TextSearch using contains instead of StartsWith <rf:ComboBox Grid.Row="1" Grid.Column="5" Width="200" ItemsSource="{Binding Source={StaticResource AccountProvider}}" DisplayMemberPath="Description" SelectedValuePath="IndRekId" IsEmptyItemVisible="True" SelectedValue="{Binding Id, UpdateSourceTrigger=PropertyChanged}" IsTextSearchEnabled="True" TextSearch.TextPath="Description" IsEditable="True"/> The search function works but i need to match on substrings 回答1:

问题 I have seen this question about searching for short words in Solr. I am wondering if there is another possible solution to a similar problem. I am using the EdgeNGramFilter with a minGramSize of 3. I want to protect a specific set of shorter words (two-letter acronyms, mainly) from being ignored, but I'd like to keep that minGramSize of 3 for everything else. EdgeNGramFilter doesn't support a protected words list. Is there any filter or setting that makes this possible within a single field

问题 In C#, Array.Find<T>(arrayName, value); searches a one dimensional array. Is there anyway to do this for a multidimensional array (e.g. myArray[,,] )? 回答1: Working with Excel and VSTO, I deal with multidimensional arrays all the time. There are no built-in functions for multidimensional array like Array.Find(). You basically have two choices: create your own helper methods and implement a generic search pattern there, or generate a list of domain objects correlating to the contents of the