Choices Mod Apk
Shanae Maerz
This answer seems to be outdated. I could use an updated answer, help?
I have a multiple choice question with choices, however I require the person completing this question to be only able to select 3 of them. The question says, "Choose three names below".
Can you limit the amount of choices selected in a multiple choice question? Obviously you can make it a "single answer" multiple choice question but what I need is more like a "triple answer" multiple choice question.
Any suggestions would be really appreciated.
Hi JulesSnarr
Yes, thats possible. Change an "Answer type" to allow multiple answer to get checkboxes.
Then you have to scroll down to "add validation" and turn it on. Then chose "answer range" and set your min / max answers that you like to have.
Does this help?
Hi,
I have a multiple choice question with 9 choices, however I require the person completing this question to be only able to select 3 of them. The question is: "When you are deciding which degree to pursue, what type of questions are most important to you? Choose three".
There is another follow up question for each of the three choices selected so I have used Loop & Merge for this, which works well.
Can you limit the amount of choices selected in a multiple choice question? Obviously you can make it a "single answer" multiple choice question but what I need is more like a "triple answer" multiple choice question.
Any suggestions would be really appreciated.
Thanks
John
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Note that this is different than null. null ispurely database-related, whereas blank is validation-related. Ifa field has blank=True, form validation will allow entry of an empty value.If a field has blank=False, the field will be required.
Though you can define a choices list outside of a model class and thenrefer to it, defining the choices and names for each choice inside themodel class keeps all of that information with the class that uses it,and helps reference the choices (e.g, Student.SOPHOMOREwill work anywhere that the Student model has been imported).
The key of the mapping is the name to apply to the group and the value is thechoices inside that group, consisting of the field value and a human-readablename for an option. Grouped options may be combined with ungrouped optionswithin a single mapping (such as the "unknown" option in this example).
If both db_default and Field.default are set, default will takeprecedence when creating instances in Python code. db_default will still beset at the database level and will be used when inserting rows outside of theORM or when adding a new field in a migration.
Alternatively you can use plain text anddjango.utils.html.escape() to escape any HTML special characters. Ensurethat you escape any help text that may come from untrusted users to avoid across-site scripting attack.
Note that if you set this to point to a DateTimeField, only the dateportion of the field will be considered. Besides, when USE_TZ isTrue, the check will be performed in the current time zone at the time the object gets saved.
This is enforced by Model.validate_unique() during model validationbut not at the database level. If any unique_for_date constraintinvolves fields that are not part of a ModelForm (forexample, if one of the fields is listed in exclude or haseditable=False), Model.validate_unique() willskip validation for that particular constraint.
A field for storing periods of time - modeled in Python bytimedelta. When used on PostgreSQL, the data typeused is an interval and on Oracle the data type is INTERVAL DAY(9) TOSECOND(6). Otherwise a bigint of microseconds is used.
upload_to may also be a callable, such as a function. This will becalled to obtain the upload path, including the filename. This callable mustaccept two arguments and return a Unix-style path (with forward slashes)to be passed along to the storage system. The two arguments are:
This method takes a filename and file contents and passes them to the storageclass for the field, then associates the stored file with the model field.If you want to manually associate file data withFileField instances on your model, the save()method is used to persist that file data.
Optional. A regular expression, as a string, that FilePathFieldwill use to filter filenames. Note that the regex will be applied to thebase filename, not the full path. Example: "foo.*\.txt$", which willmatch a file called foo23.txt but not bar.txt or foo23.png.
FilePathField instances are created in your database as varcharcolumns with a default max length of 100 characters. As with other fields, youcan change the maximum length using the max_length argument.
There are two kinds of generated columns: stored and virtual. A storedgenerated column is computed when it is written (inserted or updated) andoccupies storage as if it were a regular column. A virtual generated columnoccupies no storage and is computed when it is read. Thus, a virtual generatedcolumn is similar to a view and a stored generated column is similar to amaterialized view.
The expressions should be deterministic and only reference fields withinthe model (in the same database table). Generated fields cannot referenceother generated fields. Database backends can impose further restrictions.
A database index is automatically created on the ForeignKey. You candisable this by setting db_index to False. You may want toavoid the overhead of an index if you are creating a foreign key forconsistency rather than joins, or if you will be creating an alternative indexlike a partial or multiple column index.
When an object referenced by a ForeignKey is deleted, Django willemulate the behavior of the SQL constraint specified by theon_delete argument. For example, if you have a nullableForeignKey and you want it to be set null when the referencedobject is deleted:
Prevent deletion of the referenced object by raisingRestrictedError (a subclass ofdjango.db.IntegrityError). Unlike PROTECT, deletion of thereferenced object is allowed if it also references a different objectthat is being deleted in the same operation, but via a CASCADErelationship.
Set the ForeignKey to the value passed toSET(), or if a callable is passed in,the result of calling it. In most cases, passing a callable will benecessary to avoid executing queries at the time your models.py isimported:
Sets a limit to the available choices for this field when this field isrendered using a ModelForm or the admin (by default, all objectsin the queryset are available to choose). Either a dictionary, aQ object, or a callable returning adictionary or Q object can be used.
If limit_choices_to is or returns a Q object, which is useful for complex queries, then it will only have an effect on the choicesavailable in the admin when the field is not listed inraw_id_fields in theModelAdmin for the model.
You only want to override this to be False if you are sure yourmodel should always point toward the swapped-in model - for example,if it is a profile model designed specifically for your custom user model.
If you do not want symmetry in many-to-many relationships with self, setsymmetrical to False. This will force Django toadd the descriptor for the reverse relationship, allowingManyToManyField relationships to be non-symmetrical.
Django will automatically generate a table to manage many-to-manyrelationships. However, if you want to manually specify the intermediarytable, you can use the through option to specifythe Django model that represents the intermediate table that you want touse.
Only used when a custom intermediary model is specified. Django willnormally determine which fields of the intermediary model to use in orderto establish a many-to-many relationship automatically. However,consider the following models:
When you have more than one foreign key on an intermediary model to any(or even both) of the models participating in a many-to-many relationship,you must specify through_fields. This also applies torecursive relationshipswhen an intermediary model is used and there are more than twoforeign keys to the model, or you want to explicitly specify which twoDjango should use.
The name of the table to create for storing the many-to-many data. If thisis not provided, Django will assume a default name based upon the names of:the table for the model defining the relationship and the name of the fielditself.
One positional argument is required: the class to which the model will berelated. This works exactly the same as it does for ForeignKey,including all the options regarding recursiveand lazy relationships.
When True and used in a model which inherits from anotherconcrete model, indicates that this field should be used as thelink back to the parent class, rather than the extraOneToOneField which would normally be implicitly created bysubclassing.
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