Collections Questions

When i iterate over the values or keys are they going to correlate? will the second key map to the second value?

I'm trying to find the most reusable, yet elegant, piece of code possible for determining if an ienumerable. in the ideal, this should be a

While creating classes in java i often find myself creating instance-level collections that i know ahead of time will be very small - less than 10

I want to filter a java.util.collection based on a predicate.

I'm lead to believe that i cannot count on the order of items added to a dictionary for enumeration purposes. is there a class

What is the most efficient way to create a constant (never changes at runtime) mapping of strings to

Im a beginner in java programming and i just started streams. i have a problem with this code and i can't understand how to resolve it. i read few

Suppose i have a collection (be it an array, generic list, or whatever is the fastest solution to this problem) of a certain

I have a list of emails of list<string> type, and another one of keywords also list<string>. each email

I have an order, lamp and lamp_order table. currently i fetch the orders and it's lamp relationships. i

I have an eloquent query like this; $products = product::query() ->with('translation', 'category') ->get()

So i have a small laravel car project and i have two separate tables, cars table and vehicle_infos table. here is my

In fluent python, by luciano ramalho, chapter 8, copies are shallow by default, there is an example: >>> listone = [3,

I have a collection for example with these details: collect([ [ 'id'

In one of the controller function $readings = reading::orderby('reading_date_time', 'desc')->get(); dd($readings);

I use bellow code for sorting some metas but the type of the column value is string so orderby method sort it like a string ( value = '22')

I'm faily new to php & laravel, and i've been given this task: i have a collection that looks like the one below:

I return the exporttemplate model : $exporttemplates = exporttemplate::where('user_id', auth::id())->get();

$two = db::select("select ul.id , ul.name controller_name, ul.user_id controller_user_id,

I have to ensure that i only display a foreach loop in blade - only if there are elements in my variable. so i need to check if my

I have a model logbook for pilot and my controller return

I have two collections with data to combine: //1 [ [ "date" => "2019-02-15", "clicks" => 1, ],

I have an collection of objects - some of which contain empty arrays. object(illuminate\support\collection)#34225 (1) {

How can i group my data received from firebase in header collection view? from firebase

I am trying to get users which have addresses and the time of creation of that address should not be more than 7 days: $users =

In laravel 6 app i have collection defined as : class permissioncollection extends resourcecollection { public static $wrap =

I am having problem with array convert i went use laravel collection using map or php array array ( [0] => array (

I'm setting up database with different collection in mongodb, and only way to set the name of collection is ' collection = db.code ' i

Is there a way for a class constructor to validate that input parameter is a collection of certain objects? i know i can do:

I'm trying to retrieve usernames from ids in collection (discord.js) i've tried fetching user with client.fetchuser(config.userid)

Can i return several iterators like one? for example in iterator() method maybe i can combine iterators like one?

Suppose i have data class noncomparable(val a : any) //i.e. does not implement comparable data class wrappingelement(val nc :

I have list of type dynamic called selectedlist, it should hold a list of objects. each objects consists of teacherid and subjectid, like this [

I have a dynamic ui which maybe dropdown or textfield! i need to prepare map to send to backend. below is map format that i need to prepare

This works: std::unordered_map<std::string, int> m = {}; auto c = m.find(typename); if

I got a data structure like below that is created by laravel collection put() function. code: $array= collect();

I pull in data from the database via ->get(); and want to remove a certain element based on a condition in a foreach loop so i would need

I have a laravel collection with a lot of duplicated items like that: [ id: 'name1', prop1: 'yes', prop2: null, prop3:

Total vba newbie alert! i'm a beginner to vba and i'm working with collections for the first time. i have a

C#'s list<t> class

I would like to add query params to my rest api. i created that in resource collections and now i cant find a way to add this functionality. every

I'm new with laravel collection . i just want to make this query with collection db::select(select id, user_id,

Ok, so i'm building a table that records time entries for each month of the year. i have a variable called $group_months, if i dump the data i get

To avoid multiples rows in my form, i attempt to get a collection result with key located in a raay but it doesn't work. is this possible ? how

I have query result wrapped to larave collection: [ [ 'group_id' => 1, 'value_id' => 1 ], [

I'm logging user time entries. my times migration looks like: schema::create('times', function (blueprint $table) {

I use laravel eloquent to get files of post that give me a collection but i want an item from that collection by

I have this column ('time_out') in a table of my database:

I'm trying to implement my own exercise app for using at the gym. i bumped into a doubts which collection will fit to me the most.

I have similar but slightly different eloquent model classes named exam, type, custom.

I wanna sort some strings that contain numbers but after a sort, it becomes like this ["s1", "s10", "s11", ... ,"s2", "s21", "s22"].

I have k vectors and k types, where every vector is in the length n. n > k. i need to put the types in the vector such that for every

I am developing an api but i am having a problem connecting it to a payment platform, because they ask for the preference with the following

I have a dataframe df1 id transactions 1 [1, 3,3,3,2,5] 2 [1,2] root |-- id: int (nullable = true) |--

Final _set = [1, 1, 2, 3, 4].toset(); besides

In laravel project i am making a database query $addresses = db::table('residences')->where('user_id', '=',

Currently i get a json feedback from guzzle that i convert into collections so that it can be used in an @foreach via blade. the problem is that i

I am trying to do a search page and when my search form is empty i am getting all records from table instead of empty/null. my route:

Working with laravel eloquent i have two models users and usersocialmediachannels which have a 1 to many

I'm trying to get the count of different models and list them by company. i have a collection of different models. public

Android 4.4 suppose i has 2 lists. i need to return sublist of items in first list that not contain in second list. e.g:

I'm having this problem when i try to use the function of collections diff on two collections that i've created from laravel db, they have the

I have created a firestore with nested collections, now i want to fetch data from it based on some conditions. i tried to create a

I've been searching high and low. hopefully someone can help! firestore setup: userscollection -> list of userids ->

Sometimes i use things like that in pure php $subject = 'this key1, that key2'; $replaces =

In my laravel 5.7 i try to remake a small piece of application using collection $selectedsubscriptions = [1,2,3];

I am struggling with a pretty difficult thing and hope you can help me out. right now i've got the following: $ads =

I have a collection with a custom fetch function and a onfetchsuccess function. the onfetchsuccess function

for example, there is such a collection $phone_id = $request->get('q');

I am facing a problem with sorting and returning merged collections. when i do: $ads =

My original dictionary contains values of the form : [(0, {'t8': (0.3978349, 0), 't9': (0.84942997, 0), 't6': (1.1480641, 0),

I want to get the user name details from the table users with the author ids from the table pages. for

I am using autocompletetextview so i want duplicates names to display... the name is coming from server...i tried some sample of java code below

I'm currently starting to use firestore and am running in to some questions i cannot find the answer to. i have the following

I have two collections and want to find the same or duplicated items inside two collections. my solution is first merging two collections and

Trying to use and/or where statements as if they were nested in parentheses. example: select * from mytable where (id > 78

I have a problem..in my program i need to have a collection of user, another collection in this with all projects where the user

I want to see if "chefid"(encircled field of screenshot) exist in any of the document in a "chefcollection" or not. for this

I have $items with this illuminate\database\eloquent\collection instance. the result of

When i use this code in laravel for json where $users =

I have 2 collections in laravel, and i want only common values in my $result object. i see that

I'm working on a small app using laravel 5.8 for a dog shelter. i have a query in my dog model which retrieves the dog breeds i'm

So, i have a locations table in database which contains the seller_id. many locations can have the same seller_id while

We have a database connected to meteor and loopback services each one edits in the same collection in database. i found that meteor have

I'm having problems understanding the difference between the laravel collection methods has() and contains().

While i am trying to create a dictionary using dict(x), where x is a slice of another dictionary,d(y) where y is collections.counter() object.

I've got this collection filter in blade template and i want to show only the value field. actually, i get the filtered array back.

I have a database created in cloudfirestore like so: collection 'users' document 'uid' (uid is the uid that gives you the authentication

I have created two collections bear and bears in mongo db. i have defined bear collection in express code but it is accessing bears data. i am

Consider the following model object: app\modules\charactersheets\models\charactersheet {#826 ... #attributes: array:39 [

I want to query mongodb to get all the cars that belong to the same company but i don't want to search the whole db and then

In my project i have a dynamic form of the following structure: - date 1 - shift 1 - area 1 - cell 1 - cell 2

I have 2 types collection and array i would like to merge correcly. instead of 1,2,3,4,5,6,7,8,9 i would like to have weeksummary(0-6) and

So, i have this collection in laravel : $collection = [ {oc: "3.01", c: "922.76", d: "0"}, {oc: "3.01", c: "0", d:

In python 3, i need to test whether my variable has the type 'dict_items', so i tried something like that : >>>

I want to read a map map from the database (firebase),and i compare it to another map motcle, if i find a duplicate key

Good morning everyone! i'm developing an application with node.js and angular, and i'm getting a little stuck lately. i need to

I want to define a relationship between tables, and i don't know where i'm going wrong. these are my tables:

I want to add a new object to a laravel collection in some specified location, can anyone help me achieve this ? for example:

Redux guidelines suggest to think at an app's