Tutorial by Examples: ce

Step 1 :- take 4 button in your Storyboard. Button1 , Button2 , Button 3 , Button4 Step 2 :- Give Fixed Height and width to All buttons . Step 3 :- All 2 - 2 button's pair in 2 stackview. Step 4 :- Set UIStackview Property for both . Distribution -> Fill Equally S...

Open Eclipse first time, it will ask to enter Workspace Select ok, after entering the Workspace( Please select the file location which has write access to the user)

By using server.close() and process.exit(), we can catch the server exception and do a graceful shutdown. var http = require('http'); var server = http.createServer(function (req, res) { setTimeout(function () { //simulate a long request res.writeHead(200, {'Content-Type': 'text/plain'})...

angular.module("app") .service("counterService", ["fooService", "barService", function(anotherService, barService){ var service = { number: 0, foo: function () { return fooService.bazMethod(); // Use of 'fooService' ...

Data races occur when a piece of memory is updated by one party while another tries to read or update it simultaneously (without synchronization between the two). Let's look at the classic example of a data race using a shared counter. use std::cell::UnsafeCell; use std::sync::Arc; use std::threa...

We can avoid providing direct access to resource intensive constructors, like for databases. public class DbConnection { private static final int MAX_CONNS = 100; private static int totalConnections = 0; private static Set<DbConnection> availableConnections = new HashSet<DbConnectio...

When your Bluetooth LE Watcher's callback is triggered, the eventArgs include an RSSI value telling you the received signal strength (how strong the private async void OnAdvertisementReceived(BluetoothLEAdvertisementWatcher watcher, BluetoothLEAdvertisementReceivedEventArgs eventArgs) { // Th...

Commander.js var program = require('commander'); program .version('0.0.1') program .command('hi') .description('initialize project configuration') .action(function(){ console.log('Hi my Friend!!!'); }); program .command('bye [name]') .description('initialize pro...

These events can be used to communicate between 2 or more controllers. $emit dispatches an event upwards through the scope hierarchy, while $broadcast dispatches an event downwards to all child scopes.This has been beautifully explained here. There can be basically two types of scenario while comm...

What is an exception? Exception in PL/SQL is an error created during a program execution. We have three types of exceptions: Internally defined exceptions Predefined exceptions User-defined exceptions What is an exception handling? Exception handling is a possibility to keep o...

An internally defined exception doesn't have a name, but it has its own code. When to use it? If you know that your database operation might raise specific exceptions those which don't have names, then you can give them names so that you can write exception handlers specifically for them. Otherwis...

Predefined exceptions are internally defined exceptions but they have names. Oracle database raise this type of exceptions automatically. Example create or replace procedure insert_emp is begin insert into emp (emp_id, ename) values ('1','Jon'); exception when dup_val_on_index then ...

As the name suggest user defined exceptions are created by users. If you want to create your own exception you have to: Declare the exception Raise it from your program Create suitable exception handler to catch him. Example I want to update all salaries of workers. But if there are no work...

using CLI: $ opennlp SentenceDetector ./en-sent.bin < ./input.txt > output.txt using API: import static java.nio.file.Files.readAllBytes; import static java.nio.file.Paths.get; import java.io.IOException; import java.util.Objects; public class FileUtils { /** * Get file data as...

String fileName = "Fruit.xlsx"; String sheetName = "Apples"; XSSFWorkbook wb = new XSSFWorkbook(); XSSFSheet sheet = wb.createSheet(sheetName) ; for (int r=0;r < 3; r++ ) { XSSFRow row = sheet.createRow(r); //iterating c ...

Guice is the default dependency injection (further DI) framework of Play. Other frameworks may be used as well, but using Guice makes development efforts easier, since Play takes care for things under the veil. Injection of Play API-s Starting from Play 2.5 several API-s, which were static in the ...

To receive an event it is necessary to implement a method with the event type as parameter and annotate it using @Subscribe. Furthermore you have to register/unregister the instance of your object at the BusProvider (see example Sending an event): public class MyFragment extends Fragment { pri...

A layout is a view file, which is extended by other views which inject blocks of code into their parent. For example: parent.blade.php: <html> <head> <style type='text/css'> @yield('styling') </style> </head> <body> ...

Testcode has the same quality demands, as production code. MakeSut() improves readability can be easily refactored perfectly supports dependency injection. Here's the concept: [Test] public void TestSomething() { var sut = MakeSut(); string result = sut.Do(); Assert....

Here are a simple example of some common tasks related to developing an API, differentiating between the HTTP Method of the request, accessing query string values and accessing the request body. Resources http.Handler interface http.ResponseWriter http.Request Available Method and Status cons...