Advertisements I have figured out all of the issues I had with this on my own up until here. So far I got this to work to the point where I am able to save data properly. The only question I have is, how do I remove arrays where addon_id is not present? I want… Read More How to delete from a multidimensional array if addon_id key is not present
Advertisements this is a sentiment analysis model made with tf-idf for feature extraction i want to know how can i save this model and reuse it. i tried saving it this way but when i load it , do same pre-processing on the test text and fit_transform on it it gave an error that the… Read More Keep model made with TFIDF for predicting new content using Scikit for Python
Advertisements Lets say my documents look like this : _id: "6285e9a7aff93ead37ec50ad", date: "2022-04-28T10:51:37.923Z", devices: { tablets: [ { brand: "samsung", model: "s20" }, { brand: "samsung", model: "s21" }, { brand: "apple", model: "ipad_mini" }, ], phones: [ { brand: "samsung", model: "galaxy_s20" }, { brand: "samsung", model: "galaxy_s20_lite" } ], laptops: [] } }… Read More Mongoose return all documents that contain a value wherever inside a property
Advertisements The following data exists in the database: [ { "_id": { "$oid": "628c787de53612aad30021ab" }, "ticker": "EURUSD", "dtyyyymmdd": "20030505", "time": "030000", "open": "1.12161", "high": "1.12209", "low": "1.12161", "close": "1.12209", "vol": "561", "id": 1 }, { "_id": { "$oid": "628c787de53612aad30021ac" }, "ticker": "EURUSD", "dtyyyymmdd": "20030505", "time": "030100", "open": "1.12206", "high": "1.1225", "low": "1.12206", "close": "1.1225", "vol":… Read More Unable to retrieve multiple values from database
Advertisements I have a collection that is shaped like this: [ { _id: ObjectId("5d8e8c9b8f8b9b7b7a8b4567"), tags: { language: [ ‘en’ ], industries: [ ‘agency’, ‘travel’ ], countries: [ ‘ca’, ‘us’ ], regions: [ ‘north-america’ ], } }, { _id: ObjectId("5d8e8c9b8f8b9b7b7a8b4568"), tags: { language: [ ‘en’, ‘fr’ ], industries: [ ‘travel’ ], countries: [ ‘ca’ ] }… Read More How do I summarize tags by category in mongodb
Advertisements I am trying to work out why the column names for pandas.concat() are in brackets. There is a similar question here – but in my context I don’t understand how this can be hapenning. It is like there is a double bracket in the assignment, but given the concatenated dataframe looks fine I cannot… Read More Why does pandas.concat() add (), to column name
Advertisements Trying to get matching id’s from a table and inserting them again in the same table under differnet relationship. $contentPack = ContentPack::find($id); $cloned_pack_goals = DB::table(‘content_pack_goal’)->where(‘content_pack_id’ , $contentPack->id)->get(); $cloned_pack_goal_ids = $cloned_pack_goals->goal_id; Produces Exception Exception Property [goal_id] does not exist on this collection instance. dd($cloned_pack_goals); outputs: Illuminate\Support\Collection {#2466 ▼ #items: array:2 [▼ 0 => {#3129 ▼… Read More Laravel Getting id's from a table and inserting them into another table
Advertisements I have a List of strings as follows, List<string> str = new List<string>() { "7, 31", "2, 4", "5, 6" }; My input will be something like "1, 2" or "1" Is there a way to compare if any item in the list of strings excatly matches with the input. In the above case… Read More Check if list of string contains exact part of string
Advertisements Given a simple generic class: private static class Container<T> { private List<T> aList; private T aValue; private Container(List<T> aList, T aValue) { this.aList = aList; this.aValue = aValue; } } Initialize a list of that class: List<Container<?>> container = new ArrayList<>(); // Add some elements… Not possible (The method toArray(IntFunction<A[]>) in the type Stream<List<capture#1-of… Read More Java Generics: Stream toArray()