I need to add min and max fields into collection items in publish function and filter items by this fileds. I found the solution by using forEach for cursor:
Meteor.publish 'productsWithMinMax', (filter, options) ->
Products.find(filter, options).forEach (p) =>
p.min = Math.min p.price1, p.price2, p.price3, p.price4
p.max = Math.max p.price1, p.price2, p.price3, p.price4
if p.min && p.max && (p.max < p.mainPrice || p.min > p.mainPrice )
#added "products", p._id, p
Counts.publish #, 'numberOfProductsWithMinMax', Products.find(filter), {noReady: true}
#ready()
But now Counts.publish returns wrong count for my cursor. How to count my cursor in this case?
The only solution i've found is to add max/min properties to collection model.
P.S. It's will be nice if someone suggest a better one.
Related
I've to avoid duplicate search result in a view, so what I am trying to alter the view using pre render hook. and removing the duplicates it's working fine but the problem is in the count of result. it shows the count from the query executed and this include the duplicated item too. also, I enabled the pagination with limit of 5 in a page. then the count seems to be strange it's taking the count of the elements showing in each page
function search_helper_views_pre_render(\Drupal\views\ViewExecutable $view) {
if ($view->id() == "all_news" || $view->id() == "all_publications" || $view->id() == "all_events" || $view->id() == "global_search") {
$unique_nids = $d_nids = $new_results = array();
// Loop through results and filter out duplicate results.
foreach($view->result as $key => $result) {
if(!in_array($result->nid, $unique_nids)) {
$unique_nids[] = $result->nid;
}
else {
unset($view->result[$key]);
}
}
$view->total_rows = count($view->result);
//$view->pager->total_items = count($view->result);
$view->pager->updatePageInfo();
}
}
the expected output of the $view->total_rows must be the total count of result instead of count of elements shown in the page.
You totaly done it in wrong way. as you see ( and it's clear from its name ), it's hook__views_pre_render it runs before the rendering. So its really hard to manipulate the views results and counter, pagination there.
As I see in your query you just remove duplicate Nids , so you can easily do it by Distinct drupal views feature.
Under Advanced, query settings, click on settings.
You will get this popup, now checkmark Distinct
Could do
$difference = count($view->result) - count($new_result);
$view->total_rows = $view->total_rows - $difference;
BTW Distinct setting doesn't always work, see https://www.drupal.org/project/drupal/issues/2993688
I need to get the count of IN / in / In from SoccerStatus regardless if the records are saved in upper case, lower case or a combination of both ie IN or in or In from SQLite database in Xamarin Forms. How can I achieve that ?
var count_in = (from x in conn.Table<SoccerAvailability>().Where(x => x.SoccerStatus == IN) select x).Count();
Use string.Equals and tell it to ignore case...
var count_in = (from x in conn.Table<SoccerAvailability>().Where(x => string.Equals(x.SoccerStatus, "IN", StringComparison.OrdinalIgnoreCase)) select x).Count();
EDIT: Per your comment I see that the Linq provider you're using doesn't support string.Equals. You can try the following which should be more portable but possibly a bit slower...
var count_in = (from x in conn.Table<SoccerAvailability>().Where(x => x.SoccerStatus.ToUpper() == "IN") select x).Count();
So say i have a collection:
const collection = [0,3,2,4];
var r = collection.filter((item) => {
return item > 2;
}).map((item) => {
return item + 2;
});
// I could just `.map()` them back in but that seems ineffective
console.log(r); // 5,6
Is there a functional (fp) way to compose this code to update my previous collection to get the expected result (given the index of the result is important) ?
e.g. expected result: [0,5,2,6]
How about
var r = collection.map(item => item > 2 ? item + 2 : item)
instead?
I.e. .map all items but only modify the ones that match your condition.
I'd like to do fancy things the selection indicator. How do I get the bounding box for the currently selected characters?
This was non-trivial. First, a selection may require more than one rectangle. Next, there's no convenient way to do it.
Here's what I had to do:
var start:int = op.activePosition < op.anchorPosition ? op.activePosition : op.anchorPosition;
var end:int = op.activePosition > op.anchorPosition ? op.activePosition : op.anchorPosition;
var textFlow:TextFlow = this.textFlow;
var rectangles:Dictionary = new Dictionary();
// For each selected character, make a box
for( var i:int=start; i < end; i++) {
var flowLine:TextFlowLine = textFlow.flowComposer.findLineAtPosition( i, true );
if( rectangles[ flowLine.absoluteStart ] == null ) {
rectangles[ flowLine.absoluteStart ] = new Rectangle();
(rectangles[ flowLine.absoluteStart ] as Rectangle).x = 0xffffff;
(rectangles[ flowLine.absoluteStart ] as Rectangle).right = 0;
}
var currentRect:Rectangle = rectangles[ flowLine.absoluteStart ];
var textLine:TextLine = flowLine.getTextLine(true);
var atomIndex:int = textLine.getAtomIndexAtCharIndex( i );
if( atomIndex >= 0) {
var atomBounds:Rectangle = textLine.getAtomBounds( atomIndex );
var pt:Point = this.globalToLocal( textLine.localToGlobal( new Point( atomBounds.left, atomBounds.top ) ) );
if( pt.x <= currentRect.left ) {
currentRect.left = pt.x;
currentRect.top = pt.y;
}
pt = this.globalToLocal( textLine.localToGlobal( new Point( atomBounds.right, atomBounds.bottom) ) );
if( pt.x >= currentRect.right ) {
currentRect.right = pt.x;
currentRect.bottom = pt.y;
}
}
}
return rectangles;
I don't believe there's a trivial way to get total control over this, from looking around at the docs a bit I saw this:
http://opensource.adobe.com/wiki/display/flexsdk/Spark+Text+Primitives#SparkTextPrimitives-FTE
[Style(name="focusedTextSelectionColor", type="uint", format="Color", inherit="yes")]
[Style(name="inactiveTextSelectionColor", type="uint", format="Color", inherit="yes")]
[Style(name="unfocusedTextSelectionColor", type="uint", format="Color", inherit="yes")]
also to note:
anchor position - A character index specifying the end of the selection that stays fixed when you extend the selection with the arrow keys.
active position - A character index specifying the end of the selection that moves when you extend the selection with the arrow keys.
Since these are all only colors (or indices) I don't know if they'll get at all the fanciness you'd like to do. I'd worked on something in Flex 3 to deal with custom text selection controls and ended up using an "off screen buffer" of sorts where I put a TextField offscreen with the same properties as the one on screen then dump the characters 1 by 1 until I got to the desired width then I could figure out where in the characters the control was dropped(kind of like android selection).
I would suggest searching for the above styles in the SDK you have (particularly in RichEditableText and its super classes, I would do this but there's quite a few versions out there now and don't know which one your using, TLF and FTE are both a bit in flux it seems). Once you find where these styles are used you'll probably be in the vicinity of the selection indicator drawing code and will likely need to extend from whatever class that is in order to override the appropriate methods.
Sorry I can't give you a straight answer but hopefully this helps or someone else is able to chime in if there's an easier way.
Shaun
I have a LINQ query like this:
from i in _db.Items.OfType<Medium>()
from m in i.Modules
from p in m.Pages
where i != null && i.Type == 1 && i.Published == true && p.PageId == 2
select p
I use the query like this because I have strongly typed view (ASP.NET MVC).
I need to have items sorted by the i.Sort property. orderby i.Sort and i.OrderBy(it => it.Sort) doesn't work. How can I fix this?
When sorting with Linq you usually give OrderBy a property, and eventually an IComparer, not a sorting function. For example:
class Person {
public int Age {get; set;}
}
public static void Main() {
var ps = new List<Person>();
ps.Add(new Person{Age = 1});
ps.Add(new Person{Age = 5});
ps.Add(new Person{Age = 3});
var sorted = ps.OrderBy(p => p.Age);
foreach(p in sorted) {
Console.WriteLine(p.Age);
}
}
Here Linq will know how to correctly sort integers.
Without giving more context (such as what exactly is i.Sort, what is its purpose, what do you want to do with it), it would be difficult to be more specific to your problem.
However, I'm pretty sure you are misunderstanding OrderBy: you should give it a lambda expression that identifies a property of the objects contained in your sequence, and then Linq will sort your sequence according to the usual order of the type of that property (or according to another order you define for that type, by using IComparer).
Let's say your Pages include page-numbers among their properties. Let's pretend this property is called "pagenumber". You would then add the following 'orderby' line between the 'where' and 'select' lines.
// (snip...)
where i != null && i.Type == 1 && i.Published == true && p.PageId == 2
orderby p.pagenumber
select p
Or maybe you don't have page numbers, but only page titles. You would do nearly the same thing:
where i != null && i.Type == 1 && i.Published == true && p.PageId == 2
orderby p.title
select p
Just from reading your code, I can't tell what criteria should be used for sorting. You need some kind of ordered element, an id number, a page number, or some text can be alphabetized.
from i in _db.Items.OfType<Medium>().OrderBy(x => x.Sort)
...