Firebase get a range data

If I have a collection, and collection contain several documents. Every document contain field age The id of collection is data There are 20...

Exclude certain documents from all search results in Solr?

I am a newbie in Solr and have a task to block certain documents from result for all search queries. I searched and found few ways in which results can be blocked. elevate.xml...

How to transform a regular array into two dimensional jagged array?

I have a String array String myArray [] = {"user1", "doc2", "doc5", "user2", "doc3", "doc6", "doc8", "user3",...

How to find outliers in document classification with million documents?

I have million documents which belongs to different classes (100 classes). I want to find outlier documents in each class (which doesn't belong to that class but wrongly classified) and filter...

How to make SQL Server indexes take less space?

I have a database created by some application. Whole database is more than 50 gb, some problems with backups are occurring and my task is to get this database as small as possible. Especially one...

Query no longer working after upgrading to solr 7 from solr 4 (Occur Should vs Occur Must in edismax)

I have a query that looks like this: http://localhost:8984/solr/UT990001/select?defType=edismax&q=Red+Blue+%2BBlack+-White&qf=cfs_U3RyaW5nQ0Y_3 My expectation is that the query will return only if...

Is there an algorithm that takes advantage of an alphabetized inverted index?

I am working on an information retrieval project in Python. Multiple sources I read, including this book, have emphasized storing an inverted index in alphabetical order, though I have not found...

GCP Sentiment Analysis returns same score for 17 different documents, what am I doing wrong?

I'm running Google Cloud Platform's sentiment analysis on 17 different documents, but it gives me the same score, with different magnitudes for each. It's my first time using this package, but as...

Dict in dict, sort dictionary by nested key

I wanted to sort my dictionary in reverse order, order by nested dict key 0: mydict = { 'key1': {0: 3, 1: ["doc1.txt", "doc2.txt"], 2: ["text1",...

Opening multiple files and assign them to a dictionary

I want to open multiple files in Python and assign them to a dictionary as values. I can open each of them with open() function but what if I had like 1000 files?! Its something like this but I...

How to tell that a c++ application has disk I/O bottleneck?

I'm working on a "search" project. The main idea is how to build a index to respond to the search request as fast as possible. The input is a query, such as "termi termj", ouput is docs where both...

Organize data from table based in columns

I have one table like this and i need to split it to analise the data better ID | doc | name | price | pay 1 | doc1| PERSON1 | 1 | 1 2 | doc2| PERSON1 | 10 | 0 3 | doc3| PERSON2 |...

How to get exact sum of two or more rows in postgresql?

I have one problem and I'll describe it on trivial example. I have table with data: Id DocNumb Total 1 doc1 5 2 doc2 3 3 doc3 ...

Selecting documents in elasticsearch

I am trying to select documents that contain another document in elasticsearch grouped by id field.. I think it is more understable by the next example: "doc1": { "id":...

HashMap from List of Files

I'd like to explore the option of using a HashMap to keep track of changes between files. I'm using a few config/text files to give a set of documents of status: The config file looks like:...

Regarding usage of prediction in RandomForest implementation using Ranger

Overview I am classifying documents using random forest implementation in ranger R. Now I am facing an issue, System expecting all the feature that are in Train set to be present in real time...

how to create an np array from a for loop

I have a piece of code that indexes words using text blob. My current output comes from a for loop per 'doc' (like doc1, doc2, doc3, etc.) From every doc I would like to have a vector of the 4...

data to be kept in in-memory cache or db

I've got the following problem: I've got a web application and the functionality is : A user needs to review documents assigned to him. After the user reviews the doc he will mark the document as...

php merge two dynamic array recursive

For example I create 2 arrays dynamically based on a path(string). The first array looks like this: array ( 2009 => array ( '08' => array ( 0 =>...

Powershell Loop | Moving files and creating shortcuts

I've created a list of "top files" I need to migrate to a shared drive using the following command $Files= Get-ChildItem -Recurse C:\Users\User\Documents\ -filter "*.txt" | sort...

Get top n values per group in elasticsearch

I need to get top n user due to sum of numeric field they have at different dates with elasticsearch. For example, for the documents below get top 2: doc1 -> user_id: 1, name: hasan,...

MongoDB Select 2 most recent documents from each provider in each category

Trying to model a homepage for our website where we want to have a list of MOST RECENTLY added list of documents limited to a maximum of 2 documents per provider per each category. in other words,...

Display individual kmeans clusters from the clustering vector using wordcloud in R

I've created a k-means cluster in R from a document-term matrix. The Clustering vector is as follows: doc1.txt doc10.txt doc11.txt doc12.txt doc13.txt doc14.txt doc15.txt 3 3 ...

Sort list of mixed alpha-numeric strings with dots?

I've got an array of objects that I need to sort using the tab property. All the values are alphanumeric strings. I've setup an example to show you what I have so far, which I can't seem to get...

Saving Word document - error

I have some code to insert multiple images in a Word file. Everything is good until I try to save the document, whereupon it gives this error: > An unhandled exception of type...

Insert N string variables in one list/vector in R?

Given: doc1 <- "Hearty Chicken Chorizo, Kale, Bean and Farro Soup" doc2 <- "Spinach, Ham and Egg Whites Frittata – 2 Points" doc3 <- "Lentil Tabouli" doc4...

how to divide pandas dataframe into different dataframes based on unique values from one column and itterate over that?

I have a dataframe with three columns The first column has 3 unique values I used the below code to create unique dataframes, However I am unable to iterate over that dataframe and not sure how to...

How can I improve this nested asynchronous loop?

The problem is as follows. I have an array of objects like so: let myObj =...

How to shorten this java code?

I am making a timetable app for android and loading a JSON file with all the data to be parsed in a table of TextViews. It's a lot of copy paste work. Now I'm using a lot of the same code. Is it...

setdiff removes element without reason in a list?

Given: doc1 <- "Hearty Chicken Chorizo, Kale, Bean and Farro Soup" doc2 <- "Spinach, Ham and Egg Whites Frittata – 2 Points" doc3 <- "Lentil Tabouli" doc4...