Tutorial by Examples: le

The Xamarin Forms Entry control does not have a MaxLength property. To achieve this you can extend Entry as below, by adding a Bindable MaxLength property. Then you just need to subscribe to the TextChanged event on Entry and validate the length of the Text when this is called: class CustomEntry ...

Gpars offers intuitive ways to handle tasks concurrently import groovyx.gpars.* GParsPool.withPool { def result = dataList.collectParallel { processItem(it) } }

When using cURL for some queries to the Docker API, it might be a bit tricky to pass some complex structures. Let's say, getting a list of images allows using filters as a query parameter, which have to be a JSON representation of map[string][]string (about the maps in Go you can find more here). H...

Install the Cordova and Ionic Native plugins: $ ionic cordova plugin add cordova-plugin-camera $ npm install --save @ionic-native/camera Your app.module.ts will need to inject camera: import { Camera } from '@ionic-native/camera'; .......... @NgModule({ declarations: [ MyApp ], ...

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context=&quot...

@Controller @RequestMapping("/appointments") public class AppointmentsController { //your handlers here, for example: @RequestMapping(path = "/new", method = RequestMethod.GET) public AppointmentForm getNewForm() { return new AppointmentForm(); } @RequestMapping...

I get the file path from document directory and read that file in chunks of 1024 and save (append) to NSMutableData object or you can directly write to socket. // MARK: - Get file data as chunks Methode. func getFileDataInChunks() { let doumentDirectoryPath = NSSearchPathForDirectoriesI...

The sec:authorize attribute renders its content when the attribute expression is evaluated to true <div sec:authorize="hasRole('ROLE_ADMIN')"> Content for administrators </div> <div sec:authorize="hasRole('ROLE_USER')"> Content for users </div&g...

<div th:if="*{userMessage!=null and #strings.length(userMessage)>0}"> <label th:text = "*{userMessage}"/> </div>

You can use list variable to form <select> elements <select th:field="*{countries}"> <option th:each="country: ${countries}" th:value="${country.id}" th:text="#{${'selected.label.' + country.name}}"/> <...

<table id="countryList"> <thead> <tr> <th th:text="#{country.label.name}"> Country </th> <th th:text="#{country.label.capital}"> Capital </th> <th th:text="#{country.l...

\documentclass{beamer} \mode<presentation> \usetheme{AnnArbor} \usecolortheme{seahorse} \title[Short topic]{Awesome long topic} \author[Name]{Full name} \institute[Institute short form]{Full name of institute} \date{\today} \begin{document} \maketitle \end{document}

\documentclass[compress]{beamer} \mode\<presentation> \title[]{ABCDE for analysis of PQRS systems} \author[] { AA AAAA \inst{1} \and BB BBBB \inst{1} \and CC CCCC \inst{1} \and DD DDDD \inst{1} \and EE EEEE\inst{2} \and FF FFFF\i...

defmodule Selection do def sort(list) when is_list(list) do do_selection(list, []) end def do_selection([head|[]], acc) do acc ++ [head] end def do_selection(list, acc) do min = min(list) do_selection(:lists.delete(min, list), acc ++ [min]) end defp m...

Developers often need to design web sites that allow users to upload a CSV file. Usually there is no reason to save the actual CSV file since the data will processed and/or stored in a database once uploaded. However, many if not most, PYTHON methods of parsing CSV data requires the data to be rea...

If we want to look at a scene as if we had photographed it with a camera, we must first define some things: The position from which the scene is viewed, the eye position pos. The point we look at in the scene (target). It is also common to define the direction in which we look. Technically we n...

Drupal console brings scaffolding to the Drupal ecosystem and makes it easy to generate a content entity. In most instances you will find it easier to work with a custom entity within a custom module. Step 1 : Generate a module vendor/bin/drupal generate:module Follow the prompts and create yo...

To list all the packages installed in ubuntu, type below command $ apt list --installed Output will show all the installed packages. Listing... Done accountsservice/trusty-updates,now 0.6.35-0ubuntu7.3 i386 [installed] acl/trusty,now 2.2.52-1 i386 [installed,automatic] acpid/trusty,...

The most basic implementation of a union-find data structure consists of an array parent storing the a parent element for every element of the structure. Following these parent 'pointers' for an element i leads us to the representative j = find(i) of the set containing i, where parent[j] = j holds....