Tutorial by Examples: accesso

If your model has private methods, the databinding library still allows you to access them in your view without using the full name of the method. Data model public class Item { private String name; public String getName() { return name; } } Layout XML <?xml versi...

Annotation @XmlAccessorType determines whether fields/properties will be automatically serialized to XML. Note, that field and method annotations @XmlElement, @XmlAttribute or @XmlTransient take precedence over the default settings. public class XmlAccessTypeExample { @XmlAccessorType(XmlAccessT...

The member access operators (dot . and arrow ->) are used to access a member of a struct. Member of object Evaluates into the lvalue denoting the object that is a member of the accessed object. struct MyStruct { int x; int y; }; struct MyStruct myObject; myObject.x = 42; myObj...

Maps in go are not safe for concurrency. You must take a lock to read and write on them if you will be accessing them concurrently. Usually the best option is to use sync.RWMutex because you can have read and write locks. However, a sync.Mutex could also be used. type RWMap struct { sync.RWMut...

Add an accessory view above the keyboard. This is commonly used for adding next/previous buttons, or additional buttons like Done/Submit (especially for the number/phone/decimal pad keyboard types which don't have a built-in return key). Swift let textField = UITextField() // initialized however ...

In this example, we modify the "Simple class" example to allow access to the speed property. Typescript accessors allow us to add additional code in getters or setters. class Car { public position: number = 0; private _speed: number = 42; private _MAX_SPEED = 100 ...

The List API has eight methods for positional access operations: add(T type) add(int index, T type) remove(Object o) remove(int index) get(int index) set(int index, E element) int indexOf(Object o) int lastIndexOf(Object o) So, if we have a List: List<String> strings = new ArrayL...

Here's an example of a rule that gives each authenticated user a personal node at /users/$user_id where $user_id is the ID of the user obtained through Authentication. // These rules grant access to a node matching the authenticated // user's ID from the Firebase auth token { "rules"...

If we know the desired URI of the document we are looking for: fn:doc("/stuff/mysimpledocument.xml") Returns the full document from the database, using the URI to locate it. Since this is XQuery, we can use XPath to find the document when we know about the structure, but not the URI: ...

Data Access Object(DAO) design pattern is a standard J2EE design pattern. In this design pattern data is accessed through classes containing methods to access data from databases or other sources, which are called data access objects. Standard practice assumes that there are POJO classes. DAO can b...

By implementing your custom IScopeAccessor you can create different types of scopes. For the following example I have the two classes Foo and Bar in which Bar will be registered with a custom LifeStyle. Each have an Id to assist with testing public class Foo { public Guid FooId { get; } = G...

<?php namespace App; use Illuminate\Database\Eloquent\Model; class User extends Model { /** * Get the user's first name. * * @param string $value * @return string */ public function getFirstNameAttribute($value) { return ucfirst($v...

First, install ipset if needed. Please refer to your distribution to know how to do it. As an example, here is the command for Debian-like distributions. $ apt-get update $ apt-get install ipset Then create a configuration file to define an ipset containing the IPs for which you want to open ac...

Numerous packages are created specifically to access some databases. Using them can save a bunch of time on reading/formating the data. Eurostat Even though eurostat package has a function search_eurostat(), it does not find all the relevant datasets available. This, it's more convenient to brow...

/***************************** login user @required : username and password via post method only @return user data if login successfull otherwise error message ****************************/ public function login(){ $username=$this->input->post('username'); $password=$this->input-...