The simplest formula to calculate page count?
Force it to round up: totalPage = (imagesFound.Length + PageSize – 1) / PageSize; Or use floating point math: totalPage = (int) Math.Ceiling((double) imagesFound.Length / PageSize);
pagination
Pagination response payload from a RESTful API
ReSTful APIs are consumed primarily by other systems, which is why I put paging data in the response headers. However, some API consumers may not have direct access to the response headers, or may be building a UX over your API, so providing a way to retrieve (on demand) the metadata in the JSON response … Read more
UITableView load more when scrolling to bottom like Facebook application
You can do that by adding a check on where you’re at in the cellForRowAtIndexPath: method. This method is easy to understand and to implement : – (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { // Classic start method static NSString *cellIdentifier = @”MyCell”; MyCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier]; if (!cell) { cell = [[MyCell alloc] initWithStyle:UITableViewCellStyleDefault … Read more
How can you do paging with NHibernate?
ICriteria has a SetFirstResult(int i) method, which indicates the index of the first item that you wish to get (basically the first data row in your page). It also has a SetMaxResults(int i) method, which indicates the number of rows you wish to get (i.e., your page size). For example, this criteria object gets the … Read more
how to remove pagination in datatable
You should include “bPaginate”: false, into the configuration object you pass to your constructor parameters. As seen here: http://datatables.net/release-datatables/examples/basic_init/filter_only.html
In Flask, what is “request.args” and how is it used?
According to the flask.Request.args documents. flask.Request.args A MultiDict with the parsed contents of the query string. (The part in the URL after the question mark). So the args.get() is method get() for MultiDict, whose prototype is as follows: get(key, default=None, type=None) In newer version of flask (v1.0.x and v1.1.x), flask.Request.args is an ImmutableMultiDict(an immutable MultiDict), … Read more
Paginate Javascript array
You can use Array.prototype.slice and just supply the params for (start, end). function paginate(array, page_size, page_number) { // human-readable page numbers usually start with 1, so we reduce 1 in the first argument return array.slice((page_number – 1) * page_size, page_number * page_size); } console.log(paginate([1, 2, 3, 4, 5, 6], 2, 2)); console.log(paginate([1, 2, 3, 4, … Read more
efficient way to implement paging
Trying to give you a brief answer to your doubt, if you execute the skip(n).take(m) methods on linq (with SQL 2005 / 2008 as database server) your query will be using the Select ROW_NUMBER() Over … statement, with is somehow direct paging in the SQL engine. Giving you an example, I have a db table … Read more
MySQL pagination without double-querying?
I almost never do two queries. Simply return one more row than is needed, only display 10 on the page, and if there are more than are displayed, display a “Next” button. SELECT x, y, z FROM `table` WHERE `some_condition` LIMIT 0, 11 // Iterate through and display 10 rows. // if there were 11 … Read more
Pagination on a list using ng-repeat
If you have not too much data, you can definitely do pagination by just storing all the data in the browser and filtering what’s visible at a certain time. Here’s a simple pagination example from the list of fiddles on the angular.js Github wiki, which should be helpful: var app=angular.module(‘myApp’, []); function MyCtrl($scope) { $scope.currentPage … Read more