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Map an object to an object with a sub list


Map an object to an object with a sub list

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Map an object to an object with a sub list
Tag : chash , By : Dean
Date : November 28 2020, 11:01 PM

it should still fix some issue The mapping you want would mean that every InfoDTO object in that list would have to have the same QualificationType, which means that you've already filtered your LearnerEvents to a specific type. There shouldn't be any need to write the QualificationType into a "DTO list".
I'm guessing that you're working with a DTO because you don't want to distribute the LearnerEvent class or because you want to filter certain information which you haven't shown in your example, so what I would do is creating the LearnerEventDTOs with the fields from the LearnerEvent you want to transmit, put them in a List and send them to wherever you want.

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How to remove all objects from List<object> where object.variable exists at least once in any other object.variabl


Tag : chash , By : Tom D
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I have having trouble figure out how to write this code. , Like this:
list.RemoveAll(r => list.Any(o => o != r && r.ID == o.otherID));

I need to create a python list object, or any object, out of a pandas DataFrame object grouping pieces of values from di


Tag : python , By : ffmmjj
Date : March 29 2020, 07:55 AM
To fix the issue you can do this can be done easily as follows as a one liner: (considered to be pretty fast too)
result = df.groupby('IDactivity')['GEOSTRING'].apply(lambda x:''.join(x.str[4])).tolist()
['2828', '9888', '8888']

Appending an object to a list with python is throwing object memory address instead of the data inside the object


Tag : python , By : itsmegb
Date : March 29 2020, 07:55 AM
this will help When you print a single instance of MyPet, Python calls MyPet's __str__ method to get a string representation.
When you print a list of objects, Python displays the result of calling repr on each element of the list. By default this will produce
class MyPet:

    def __repr__(self):
        string = self.__name + ' ' + self.__animal_type + ' ' + str(self.age)
        return string

    __str__ == __repr__
class MyPet:

    def __repr__(self):
        return  "MyPet(name='{}', animal_type='{}', age={})".format(self.__name,
                                                                    self.__animal_type,
                                                                    self.age)

    def __str__(self):
        string = self.__name + ' ' + self.__animal_type + ' ' + str(self.age)
        return string

Getting error Cannot find a differ supporting object '[object Object]' of type 'object' while trying to populate list of


Tag : angular , By : mhedberg
Date : March 29 2020, 07:55 AM
I hope this helps you . I am trying to populate the options with the data received from the server. As I got an error, I tried to reduce the logic to simple example but still I get the same error. , Your userList is conflicting with the #variable, template name
#userList //template name
<ng-template #userList>//template name is useList
    <div class="col-md-12" >
        <mat-form-field>
            <mat-select placeholder="List of users">
                <mat-option *ngFor="let usr of userList" [value]="usr.id">//userlist as 
an array
                    {{usr.name}}
                </mat-option>
            </mat-select>
        </mat-form-field>
    </div>
</ng-template>

My Hashmap object value list object return only last object i was put in ArrayList<Map<String,Object>>>()


Tag : java , By : Ohad Barzilay
Date : March 29 2020, 07:55 AM
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