Questions tagged [computed-values]
20 questions
20
votes
4 answers
Swift - Associated value or extension for an Enum
General question regarding swift enum.
I want to create an enum of "icon" and "associate" a value to the enum case
enum Icon {
case plane
case arrow
case logo
case flag
}
I want to create an associated image to the enum's value.
And also…
Avba
- 14,822
- 20
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- 192
3
votes
2 answers
How do you add installation related computed strings to InnoSetup scripts?
Currently when I upgrade a program I backup the existing files to a folder named backup in the program directory eg .
Source: "{app}\filename.exe"; DestDir: "{app}\backup"; Flags: external skipifsourcedoesntexist uninsneveruninstall
Is there a way…
vfclists
- 19,193
- 21
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3
votes
2 answers
Getter computed property vs. variable that returns a value
Is there a difference between a getter computed property and variable that returns a value? E.g. is there a difference between the following two variables?
var NUMBER_OF_ELEMENTS1: Int {
return sampleArray.count
}
var NUMBER_OF_ELEMENTS2: Int…
Daniel
- 3,758
- 3
- 22
- 43
2
votes
1 answer
Knockoutjs + ko.mapping.fromJS + computed field not calculate computed
I try to do this:
myData = {weight: 100, anotherWeight: 120.55}; // when my data is plain json - all work
$.when($.getJSON(url, {param}, function(data) {myData = data} ).
//when i got it from ajax - dosn't work
then(function(){
var taskModel…
awzster
- 79
- 7
1
vote
4 answers
Computed array values in C# - reactive programming
Example 1
As we know there's the concept of computed columns in databases where a column is computed based on adjacent columns' values.
The problem is that computed columns can't relate to other rows than current.
Example 2
Then we have spreadsheets…
Robert Koritnik
- 103,639
- 52
- 277
- 404
1
vote
1 answer
Fetch the data of parent model into static::saving() boot function
I want to use data from the parent model to run the saving() function in the child model
Previously, I inserted a computed data to the table in model "Loan" but now I need to insert it into a child model "InterestAmount"
Loan.php
use…
Prithvi Tuladhar
- 73
- 10
1
vote
1 answer
Same style values, same element but different computed values on same browser
I am working on a chrome extension which returns the font-size property of any element. I am loading the ajax response data into the extension document and computing their properties. Now something strange happening and I'm not being able to find…
Ali Baig
- 3,819
- 4
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- 47
1
vote
1 answer
Count number of users in ember.js
I have an ember application which keeps track of a collection of users. I have a computed property which is supposed to keep track of the number of users in the system in my usersController.js:
App.UsersController = Ember.ArrayController.extend({
…
bookthief
- 2,443
- 8
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- 54
1
vote
1 answer
Error with sum up values in a row using knockout.js and ko.computed
I think this a really basic problem but I just don't see the error. I got the following simple Model:
var Row = function(col1, col2)
{
var self = this;
self.column1 = ko.observable(col1);
self.column2 = ko.observable(col2);
self.sum…
Marko
- 93
- 5
0
votes
1 answer
How to set up a computed var in Vue to change the vue-bootstrap badge variant color
I am attempting to set up a computed var in Vue to set the variant of a bootstrap badge tag depending on data being returned from a JSON file.
I set up the response returned from the JSON file to be passed to an array called configData. I…
JS_is_awesome18
- 1,587
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- 67
0
votes
1 answer
How can I analyze Ember Data array elements (computed property?)?
I want to create unique abbreviations for each element of an array of Ember Data records. For example, suppose we have the following records in the Persons table:
name: Mike Jones
department: IT
name: Mike Smith
department: IT
name: John…
ed94133
- 1,477
- 2
- 19
- 40
0
votes
1 answer
Div has image's real width instead of computed width
I have several div elements which contain images, every image's height is set to 100%, width is calculated. Height works fine, but the parent div has image's real width, wich is larger then computed width. That makes gaps between the images. How can…
0
votes
1 answer
Computed property in Emberjs Model
Suppose we have a model like this:
App.Somemodel = DS.Model.extend({
A:DS.attr('number'),
B:DS.attr('number'),
CP: function(){return this.get('A') + this.get('B');}.property('A','B')
})
My question is this :When is CP going to be re…
adam
- 19
- 5
0
votes
1 answer
Ember JS computed property binding to child of hasMany
I have the following models:
Variant = DS.Model.extend
value: DS.hasMany('value')
compiledValues: (->
@get('values').map((v,i,e) ->
v.get('option').get('name') + ' : ' + v.get('value')
).join("\n")
…
DEfusion
- 5,533
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0
votes
1 answer
Ember.js Controller with computed property not being recomputed
I'm trying to add permissions to groups, and I have a drag and drop set up so that a user can pull the unselected permissions over to selected, or vice versa. Unselected permissions are computed via removing the selected permissions from all…
Jim MacKenzie
- 222
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