Tutorial by Examples: g

// resize the image to be contained within a maximum width and height, keeping aspect ratio public static UIImage MaxResizeImage(this UIImage sourceImage, float maxWidth, float maxHeight) { var sourceSize = sourceImage.Size; var maxResizeFactor = Math.Min(maxWidth / sourceSize.Width, max...

// resize the image (without trying to maintain aspect ratio) public static UIImage ResizeImage(this UIImage sourceImage, float width, float height) { UIGraphics.BeginImageContext(new SizeF(width, height)); sourceImage.Draw(new RectangleF(0, 0, width, height)); var resultImage = UIG...

// crop the image, without resizing public static UIImage CropImage(this UIImage sourceImage, int crop_x, int crop_y, int width, int height) { var imgSize = sourceImage.Size; UIGraphics.BeginImageContext(new SizeF(width, height)); var context = UIGraphics.GetCurrentContext(); ...

It is suggested that you define groups based on purpose of the host (roles) and also geography or datacenter location (if applicable): File inventory/production [rogue-server] 192.168.1.1 [atlanta-webservers] www-atl-1.example.com www-atl-2.example.com [boston-webservers] www-bos-1.examp...

Each table view must have a delegate and a data source. Delegate Methods None of the delegate methods are actually required, however you'll need to implement tableView:didSelectRowAtIndexPath: to handle touches on a table cell: And other methods are... // Display customization - (void)tableVi...

AppleScript can display dialogs and alerts to the user. Dialogs are for optionally requesting user input. display dialog "Hello World" display alert "Hello World" You can customise the buttons of either using buttons and passing a list of text. display dialog "Hell...

SELECT ROWNUM NO FROM DUAL CONNECT BY LEVEL <= 10

Dependency installation ( https://www.npmjs.com/package/gulp-imagemin ) $ npm install --save-dev gulp-imagemin Usage /* * Your other dependencies. */ var imagemin = require('gulp-imagemin'); /* * `gulp images` - Run lossless compression on all the images. */ gulp.task('images', f...

You can create a custom exception and throw them during the execution of your function. As a general practice you should only throw an exception when your function could not achieve its defined functionality. Private Function OpenDatabase(Byval Server as String, Byval User as String, Byval Pwd as S...

You can import a single package with the statement: import "path/to/package" or group multiple imports together: import ( "path/to/package1" "path/to/package2" ) This will look in the corresponding import paths inside of the $GOPATH for .go files and ...

Say you have a table named table or you want to create a table with name which is also a keyword, You have to include the name table in pair of double quotes "table" Select * from table; Above query will fail with syntax error, where as below query will run fine. Select * from "tab...

Create class and add imports to parse information: import com.google.firebase.database.FirebaseDatabase; import com.google.firebase.database.IgnoreExtraProperties; //Declaration of firebase references private DatabaseReference mDatabase; //Declaration of firebase atributtes public Stri...

When publishing Sitecore item programmatically the developer should keep in mind that Sitecore could be configured for several publishing targets, as well that several languages could be defined for item. ID targetDatabaseFieldId = ID.Parse("{39ECFD90-55D2-49D8-B513-99D15573DE41}"); ...

Odoo provides official installers, for various OS types and Openerp/Odoo versions, at the Nightly repository Option 1: manual install from prebuilt installer package (Windows, Linux): Download installer/package of version of your choice for your system ( Windows (.exe), Debian/Ubuntu (.deb), Redh...

public class HomepageTests { private IWebDriver _driver; [SetUp] public void LoadDriver() { _driver = new ChromeDriver(); } [Test] public void Valid_Home_Page_Title() { _driver.Navigate().GoToUrl("Your homeoage url / loc...

Gridviews are more useful if we can update the view as per our need. Consider a view with a lock/unlock feature in each row. It can be done like: Add an update panel: <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional"> </asp:UpdatePane...

The Z80 has no Interrupt table like modern processors. The Interrupts all execute the same code. In Interrupt Mode 1, they execute the code in a specific unchangeable location. In Interrupt Mode 2, they execute the code from the Pointer register I points to. The Z80 has got a timer, that triggers t...

Run repair on a particular partition range. nodetool repair -pr Run repair on the whole cluster. nodetool repair Run repair in parallel mode. nodetool repair -par

Sometimes it's really useful to know the type of child component when iterating through them. In order to iterate through the children components you can use React Children.map util function: React.Children.map(this.props.children, (child) => { if (child.type === MyComponentType) { ......

Assuming you know the productID: First import StoreKit Then in your code let productID: Set = ["premium"] let request = SKProductsRequest(productIdentifiers: productID) request.delegate = self request.start() and in the SKProductsRequestDelegate: func productsRequest(request: ...