Tutorial by Examples: n

But you don't just want a plain text email. You want a pretty html email. Set your config file as html: $config['mailtype'] = 'html'; If you want to pass data (like a username for example) to the html email, put them in an array: $data = array('name' => $name, 'email' => ...

Error handling in AppleScript uses try on error. The code which may throw an error goes in the try block and any error handling code is in the on error block. The on error block is closed using end try. foo is not defined, so throws an error. When an error occurs, the dialog is displayed. try ...

There’s no API that can rename the blob file on Azure. This code snippet demonstrates how to rename a blob file in Microsoft Azure Blob Storage. StorageCredentials cred = new StorageCredentials("[Your storage account name]", "[Your storage account key]"); CloudBlobContainer c...

using System; using System.Collections.Generic; using System.Linq; using System.Numerics; // also add reference to System.Numberics namespace ConsoleApplication33 { class Program { private static IEnumerable<BigInteger> Fibonacci() { BigInteger p...

This example shows how to update a UI component from a background thread by using a SynchronizationContext void Button_Click(object sender, EventArgs args) { SynchronizationContext context = SynchronizationContext.Current; Task.Run(() => { for(int i = 0; i < 10; i++) ...

To Illustrate the MERGE Statement, consider the following two tables - dbo.Product : This table contains information about the product that company is currently selling dbo.ProductNew: This table contains information about the product that the company will sell in the future. The foll...

Use EXCEPT to prevent updates to unchanged records MERGE TargetTable targ USING SourceTable AS src ON src.id = targ.id WHEN MATCHED AND EXISTS ( SELECT src.field EXCEPT SELECT targ.field ) THEN UPDATE SET field = src.field WHEN...

Tuples can be used to return multiple values from a method without using out parameters. In the following example AddMultiply is used to return two values (sum, product). void Write() { var result = AddMultiply(25, 28); Console.WriteLine(result.Item1); Console.WriteLine(result.Item2...

If you want to parse more complex command-line arguments, e.g. with optional parameters, than the best is to use google's GWT approach. All classes are public available at: https://gwt.googlesource.com/gwt/+/2.8.0-beta1/dev/core/src/com/google/gwt/util/tools/ToolBase.java An example for handling ...

The power of AppleScript lies in being able to automate many Mac applications. To find out what you can automate, you need to read an app's scripting dictionary. To do so, launch Script Editor, and select File > Open Dictionary… Once you choose an app, its dictionary will open up in a new win...

Most of the guidance for creating good examples for Q&A carries over into the documentation. Make it minimal and get to the point. Complications and digressions are counterproductive. Include both working code and prose explaining it. Neither one is sufficient on its own. Don't re...

The methods object.wait(), object.notify() and object.notifyAll() are meant to be used in a very specific way. (see http://stackoverflow.com/documentation/java/5409/wait-notify#t=20160811161648303307 ) The "Lost Notification" problem One common beginner mistake is to unconditionally cal...

// 1. Base example not using language support for covariance, dynamic type checking. class Top { public: virtual Top* clone() const = 0; virtual ~Top() = default; // Necessary for `delete` via Top*. }; class D : public Top { public: Top* clone() const override ...

// 2. Covariant result version of the base example, static type checking. class Top { public: virtual Top* clone() const = 0; virtual ~Top() = default; // Necessary for `delete` via Top*. }; class D : public Top { public: D* /* ← Covariant return */ clone() const over...

// 3. Covariant smart pointer result (automated cleanup). #include <memory> using std::unique_ptr; template< class Type > auto up( Type* p ) { return unique_ptr<Type>( p ); } class Top { private: virtual Top* virtual_clone() const = 0; public: unique_ptr&l...

Worse ViewController: // ... myMethod: function () { this.getView().lookup('myhappyfield').setValue(100); } //... View: //... items: [ { xtype: 'textfield', reference: 'myhappyfield' } ] //... Better ViewController: // ... myMethod: function () { ...

Overrides: Override file: Ext.define('MyApp.override.CornField', override: 'Ext.form.field.Text', initComponent: function () { this.callParent(arguments); this.setValue('Corn!'); } ); Use in app: { xtype: 'textfield' } Extensions: Override file: Ext...

Converts the specified string representation of a date and time to its DateTime equivalent using the specified format, culture-specific format information, and style. The format of the string representation must match the specified format exactly. The method returns a value that indicates whether th...

Return the length of the string in bytes. Since some characters may be encoded using more than one byte, if you want the length in characters see CHAR_LENGTH() Syntax: LENGTH(str) LENGTH('foobar') -- 6 LENGTH('fööbar') -- 8 -- contrast with CHAR_LENGTH(...) = 6

Return the number of characters in the string Syntax: CHAR_LENGTH(str) CHAR_LENGTH('foobar') -- 6 CHAR_LENGTH('fööbar') -- 6 -- contrast with LENGTH(...) = 8