Tutorial by Examples: ti

Components and Props As React concerns itself only with an application's view, the bulk of development in React will be the creation of components. A component represents a portion of the view of your application. "Props" are simply the attributes used on a JSX node (e.g. <SomeComponen...

CKContainer.defaultContainer().accountStatusWithCompletionHandler { accountStatus, error in if accountStatus == .NoAccount { let alert = UIAlertController(title: "Sign in to iCloud", message: "Sign in to your iCloud account to write records. On the Home screen, l...

This example shows how to use fast enumeration in order to traverse through an NSArray. When you have an array, such as NSArray *collection = @[@"fast", @"enumeration", @"in objc"]; You can use the for ... in syntax to go through each item of the array, automatical...

C-Style casting can be considered 'Best effort' casting and is named so as it is the only cast which could be used in C. The syntax for this cast is (NewType)variable. Whenever this cast is used, it uses one of the following c++ casts (in order): const_cast<NewType>(variable) static_cast&...

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Using a pipe makes the output of a command be the input of the next one. ls -1 | grep -c ".conf" In this case the ouput of the ls command is used as the input of the grep command. The result will be the number of files that include ".conf" in their name. This can be used to ...

MainActivity.java: public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } } activity_main.xml: <?xml version="1...

This will get all the orders for all customers: SELECT c.CustomerName, o.OrderID FROM Customers AS c INNER JOIN Orders AS o ON c.CustomerID = o.CustomerID ORDER BY c.CustomerName, o.OrderID; This will count the number of orders for each customer: SELECT c.CustomerName, C...

Detailed instructions on getting ssrs-2008-r2 set up or installed.

<svg width="600px" height="600px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <polyline points="10,10,50,40,80,30,120,90,130,10,180,50,250,100,300,10" fill="none" stroke="red" s...

<svg width="600px" height="400px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <line x1="10" y1="20" x2="300" y2="20" stroke="red" stroke-width="20"...

SVG Patterns behave significantly differently than CSS background images when filling equivalent shapes. This can lead to significant surprises for new-comers to SVG. Below are examples of a pattern defined in all possible combinations of patternUnits and patternContentUnits - showing how these sett...

Detailed instructions on getting virtualbox set up or installed.

Scoped enumerations: ... enum class Status; // Forward declaration Status doWork(); // Use the forward declaration ... enum class Status { Invalid, Success, Fail }; Status doWork() // Full declaration required for implementation { return Status::Success; } Unscoped enumerations:...

Detailed instructions on getting oauth-2.0 set up or installed.

For live demo click.. App index ts import {bootstrap} from '@angular/platform-browser-dynamic'; import {MyForm} from './my-form.component.ts'; bootstrap(MyForm); Custom validator import {Control} from @'angular/common'; export class CustomValidators { static emailFormat(control: Cont...

M-x magit-status s RET <file-to-stage> RET c c <commit message> C-c C-c q

Downloading the Bundle: The easiest way to download the required GTK Bundle is to search and download it using this link: https://git.gnome.org/browse/gtk+ (GNOME GIT Repository) GNOME GIT Repository provides the bundles for different versions and you can easily find the desired version by scrolli...

NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://example.com/download.zip"]; NSURLReq...