pagination
Simple pagination in javascript
I’ll address any questions you have… but here is an improved pattern you should follow to reduce code duplication. As a sidenote though, you should consider not doing pagination on client-side. Since if you have a huge dataset, it would mean you need to download all the data before your page loads. Better to implement … Read more
Angular material Paginator is not working
Just in case someone else runs into this problem, all it takes is importing the module in app.module.ts import { MatPaginatorModule } from ‘@angular/material/paginator’; and @NgModule({ … imports: [ …. MatPaginatorModule ]
Android Paging 3 – get list of data from PagingData object
PagingData is just a stateless stream of incremental load events, so it does not hold this kind of state. However PagingDataAdapter / Differ (and similarly other presenter-side variants), already need to hold the data, so they expose APIs such as PagingDataAdapter.snapshot() which can give you the current list of presented items. Keep in mind that … Read more
Range query for MongoDB pagination
It is perfectly fine to use ObjectId() though your syntax for pagination is wrong. You want: db.tweets.find().limit(50).sort({“_id”:-1}); This says you want tweets sorted by _id value in descending order and you want the most recent 50. Your problem is the fact that pagination is tricky when the current result set is changing – so rather … Read more
How to use MongoDB aggregation for pagination?
To calculate totals and return a subset, you need to apply grouping and skip/limit to the same dataset. For that you can utilise facets For example to show 3rd page, 10 documents per page: db.Order.aggregate([ { ‘$match’ : { “company_id” : ObjectId(“54c0…”) } }, { ‘$sort’ : { ‘order_number’ : -1 } }, { ‘$facet’ … Read more
pagination logic in calculating total of pages
Divide total_items by limit, and round the value up. Math.ceil(total_items/limit); 50 items / 10 per page = 5 pages 55 items / 10 per page = 6 pages
UICollectionView: current index path for page control
You can get the current index by monitoring contentOffset in scrollViewDidScroll delegate it will be something like this -(void)scrollViewDidScroll:(UIScrollView *)scrollView { NSInteger currentIndex = self.collectionView.contentOffset.x / self.collectionView.frame.size.width; }