search

问题 I need to search an associative array's values for a string, but only the beginning of the string example: var stack = ['aba', 'abcd', 'ab', 'da', 'da']; a search on stack for the value a would return ['abc, 'abcd', 'ab'] , and for b would just return b while a search for 'd' would return [da', 'da'] ...any way to do that? Im trying to do like an autocomplete select box, but its custom so i need to moditor text events and search my array of items to get the index of the first match while the

问题 Hello I'm new to Swift and am using SwiftUI for my project where I download some weather data and I display it in the ContentView(). I would like to highlight some part of the Text if it contains some specific word, but I don't have any idea how to start. In ContentView(), I have tried to set a function receiving the string downloaded from web and return a string. I believe this is wrong, because SwiftUI does not apply the modifiers at the all for the Text. For example, in my ContentView() I

问题 mongoose: 5.8.9 node: v12.13.0 After setting up to create index on the schema, mongoose doesn't create the index, After creating a new document there is only ID index nothing newly created. I had done as the document mentioned for creating index but still I can't figure out where I'm making the mistake. When const ads = await Ad.find({ $text: { $search: "something" } }) Error MongoError: text index required for $text query at Connection.<anonymous> (/home/usama/Projects/commercial/adex/node

问题 mongoose: 5.8.9 node: v12.13.0 After setting up to create index on the schema, mongoose doesn't create the index, After creating a new document there is only ID index nothing newly created. I had done as the document mentioned for creating index but still I can't figure out where I'm making the mistake. When const ads = await Ad.find({ $text: { $search: "something" } }) Error MongoError: text index required for $text query at Connection.<anonymous> (/home/usama/Projects/commercial/adex/node

问题 mongoose: 5.8.9 node: v12.13.0 After setting up to create index on the schema, mongoose doesn't create the index, After creating a new document there is only ID index nothing newly created. I had done as the document mentioned for creating index but still I can't figure out where I'm making the mistake. When const ads = await Ad.find({ $text: { $search: "something" } }) Error MongoError: text index required for $text query at Connection.<anonymous> (/home/usama/Projects/commercial/adex/node

问题 mongoose: 5.8.9 node: v12.13.0 After setting up to create index on the schema, mongoose doesn't create the index, After creating a new document there is only ID index nothing newly created. I had done as the document mentioned for creating index but still I can't figure out where I'm making the mistake. When const ads = await Ad.find({ $text: { $search: "something" } }) Error MongoError: text index required for $text query at Connection.<anonymous> (/home/usama/Projects/commercial/adex/node

问题 First of all, I already saw the lucene doc which tells us to not produce score as percentages: People frequently want to compute a "Percentage" from Lucene scores to determine what is a "100% perfect" match vs a "50%" match. This is also somethings called a "normalized score" Don't do this. Seriously. Stop trying to think about your problem this way, it's not going to end well. Because of these recommandations, I used another way to solve my problem. However , there are a few points of lucene

问题 This may look like an innocuously simple problem but it takes a very long time to execute. Any ideas for speeding it up or vectorization etc. would be greatly appreciated. I have a R data frame with 5 million rows and 50 columns : OriginalDataFrame A list of Indices from that Frame : IndexList (55000 [ numIndex ] unique indices) Its a time series so there are ~ 5 Million rows for 55K unique indices. The OriginalDataFrame has been ordered by dataIndex . All the indices in IndexList are not

问题 I need to use Windows Search within my .NET application to search for certain files containing certain keywords. All of this seams easy enough using OLE DB to connect to the Windows Search data store on Windows 7. I have what I hope is a seriously easy question. I have been searching high and low for the field definitions for the SQL Query for Windows Search so I can simply work out what I can search on and what I can get back in my result set. I have not managed to find this anywhere. Can

问题 In this search query (test it live ↗) I'm searching for: all pull requests by user limonte (me) for the vaadin company How can I search for all my pull requests except (logical NOT) those for vaadin company? These two options I tried without success: is:pr author:limonte user:!vaadin is:pr author:limonte user:NOT vaadin 回答1: Prefixing any search qualifier with a - excludes all results that are matched by that qualifier. For example, you might be interested in finding all "cats" repositories