I read here that is possible to access a prop of a Record object using dot-notation like person.Name X person.get('name'). However it isn't working to me if I try to access it using the property directly.
My code:
new Record({
id: 123,
description: 'Foo',
imgSrc: 'https://foo.co'
}))
If I try to access the property description directly like person.description it doesn't work. I should use person.get('description') rather access it directly.
What I'm doing wrong since it should let me access the property directly?
You're a using a Map, but property access using dot notation is only available on Immutable.Record. Here's the relevant section on the site: https://facebook.github.io/immutable-js/docs/#/Record
//first make a template
var MyThingie = Record({id:123, description:'Foo', imgSrc: 'https://foo.co'});
//now create records
var myRecord = new MyThingie({description:'Not the default description'});
//outputs 'Not the default description'
console.log(myRecord.description);
Related
NOTE: If you do know that the below is not possible, this information is just as valuable.
Im checking out HotChocolate and Ive looked into the dynamic schemas
I have taken the code in your Github-example This works ok. I have extended our Product-type like so:
//Same json as in your Github-sample, new properties are "color" and some more
foreach (var field in type.GetProperty("fields").EnumerateArray())
{
string name = field.GetString();
typeDefinition.Fields.Add(new ObjectFieldDefinition(field.GetString()!, type: TypeReference.Parse("String"), pureResolver: ctx =>
{
var product = ctx.Parent<Product>();
return product.SubTypeSpecific.ContainsKey(name) ? product.SubTypeSpecific[name] : null;
}));
}
now I have "moved out" dynamic properties from a Dictionary (That is a sub-object in my documentDb) to own properties. Works well.
BUT:
How can I extend my ProductFilter in the same fashion?
I would like to extend my current Product-filter so its possible to search on the new dynamic property "color"
getProducts(where : color : {eq :"blue" }}) {...}
I can create new FilterInputDefinition, but not extend existing filter (because there is no FilterInputTypeExtensions.CreateUnsafe()
If I manage to create the new filter, is there any way to update the IQueryable-generation so that the inputed color ("blue")
So the query to my CosmosDb will be created automatically?
Many thanks in advance.
I was learning mongoose, and I am trying to figure out.
Why toObject() was needed to convert the data received into Object, when it was already in object form it seems
Here is the code:
UserSchema.methods.toJSON = function() {
var user = this;
var userObject = user.toObject();
return _.pick(userObject, ['_id', 'email']);
};
I cannot understand why toObject() was used to extract the meaningful properties from the object.
Thanks
toObject is a mongoose document method Document.prototype.toObject() which:
Converts this document into a plain javascript object, ready for storage in MongoDB.
You can more about it here
The reason it is called there is because a plain JS object is required in order to do the lodash _.pick which would create a new object with only _id and email properties.
I have a table which gets its data server-side, using custom server-side initialization params which vary depending upon which report is produced. Once the table is generated, the user may open a popup in which they can add multiple additional filters on which to search. I need to be able to use the same initialization params as the original table, and add the new ones using fnServerParams.
I can't figure out how to get the original initialization params using the datatables API. I had thought I could get a reference to the object, get the settings using fnSettings, and pass those settings into a new datatables instance like so:
var oSettings = $('#myTable').dataTable().fnSettings();
// add additional params to the oSettings object
$('#myTable').dataTable(oSettings);
but the variable returned through fnSettings isn't what I need and doesn't work.
At this point, it seems like I'm going to re-architect things so that I can pass the initialization params around as a variable and add params as needed, unless somebody can steer me in the right direction.
EDIT:
Following tduchateau's answer below, I was able to get partway there by using
var oTable= $('#myTable').dataTable(),
oSettings = oTable.fnSettings(),
oParams = oTable.oApi._fnAjaxParameters(oSettings);
oParams.push('name':'my-new-filter', 'value':'my-new-filter-value');
and can confirm that my new serverside params are added on to the existing params.
However, I'm still not quite there.
$('#myTable').dataTable(oSettings);
gives the error:
DataTables warning(table id = 'myTable'): Cannot reinitialise DataTable.
To retrieve the DataTables object for this table, please pass either no arguments
to the dataTable() function, or set bRetrieve to true.
Alternatively, to destroy the old table and create a new one, set bDestroy to true.
Setting
oTable.bRetrieve = true;
doesn't get rid of the error, and setting
oSettings.bRetrieve = true;
causes the table to not execute the ajax call. Setting
oSettings.bDestroy = true;
loses all the custom params, while setting
oTable.bDestroy = true;
returns the above error. And simply calling
oTable.fnDraw();
causes the table to be redrawn with its original settings.
Finally got it to work using fnServerParams. Note that I'm both deleting unneccessary params and adding new ones, using a url var object:
"fnServerParams": function ( aoData ) {
var l = aoData.length;
// remove unneeded server params
for (var i = 0; i < l; ++i) {
// if param name starts with bRegex_, sSearch_, mDataProp_, bSearchable_, or bSortable_, remove it from the array
if (aoData[i].name.search(/bRegex_|sSearch_|mDataProp_|bSearchable_|bSortable_/) !== -1 ){
aoData.splice(i, 1);
// since we've removed an element from the array, we need to decrement both the index and the length vars
--i;
--l;
}
}
// add the url variables to the server array
for (i in oUrlvars) {
aoData.push( { "name": i, "value": oUrlvars[i]} );
}
}
This is normally the right way to retrieve the initialization settings:
var oSettings = oTable.fnSettings();
Why is it not what you need? What's wrong with these params?
If you need to filter data depending on your additional filters, you can complete the array of "AJAX data" sent to the server using this:
var oTable = $('#myTable').dataTable();
var oParams = oTable.oApi._fnAjaxParameters( oTable );
oParams.push({name: "your-additional-param-name", value: your-additional-param-value });
You can see some example usages in the TableTools plugin.
But I'm not sure this is what you need... :-)
I am new to Dojo, I am using QueryReadStore as the store for loading my TreeGrid, working fine. But the QueryReadStore appends some paramters to the url, parameters like parentId, count, sort etc., I have looked at this link http://dojotoolkit.org/reference-guide/1.7/dojox/data/QueryReadStore.html, but not able to understand.
Parameters are getting passed like this servlet/DataHandler?start=0&count=25
How to manipulate the parameters, like I want to set the value for parentId paramters so that I only get that particular row details.
In theory you wold have to create a new class by extending the "dojox.data.QueryReadStore", in the link you posted have an example for doing exactly what you want. See if you get it now(changed a bit):
dojo.require("dojox.data.QueryReadStore");
dojo.declare("custom.MyReadStore", dojox.data.QueryReadStore, {
fetch:function(request){
//append here your custom parameters:
var qs = {p1:"This is parameter 1",
q:request.query.name
}
request.serverQuery = qs;
// Call superclasses' fetch
return this.inherited("fetch", arguments);
}
});
So When come to create the QueryReadStore you actually create a object with the class you defined. something like this:
var queryReadStore = new custom.MyReadStore({args...})
Explore the request parameter passed to the function to see what else you can do.
I apologize if this is a stupid/newb question, but when a Rally query result is returned with a _ref (using the Javascript SDK 1.32), is there a way to directly get the object associated with the _ref?
I see that I can use getRefFromTypeAndObjectId to get the type and the object ID, and then query on that type and object ID to get the object, however I wondered if there was something like getObjectFromRef or some other such way to more directly get back the object associated with the reference.
Excellent question. The getRallyObject method on RallyDataSource should do what you need.
var ref = '/defect/12345.js';
rallyDataSource.getRallyObject(ref, function(result) {
//got it
var name = result.Name;
}, function(response) {
//oh noes... errors
var errors = response.Errors;
});
In SDK 2.0 you use the load method of a data model to read a specific object. Check out this example: http://developer.help.rallydev.com/apps/2.0p5/doc/#!/guide/appsdk_20_data_models