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Traits in PHP – any real world examples/best practices? [closed]
...it that contains different functions for different sorting types (numeric, string, date, etc). You can then use this trait not only in your product class (as given in the example), but also in other classes that need similar strategies (to apply a numeric sort to some data, etc).
Try it:
<?php
...
Choosing the default value of an Enum type without having to change values
...s.GetDefaultValue<Orientation>();
System.Diagnostics.Debug.Print(o.ToString());
Note: you will need to include the following line at the top of the file:
using System.ComponentModel;
This does not change the actual C# language default value of the enum, but gives a way to indicate (and ge...
Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...;
namespace StackDemo
{
class Program
{
static void Main(string[] args)
{
List<Person> persons = new List<Person>();
persons.Add(new Person("John",30));
persons.Add(new Person("Jack", 27));
ICollection<Person&g...
What are Scala context and view bounds?
...r.
While a view bound can be used with simple types (for example, A <% String), a context bound requires a parameterized type, such as Ordered[A] above, but unlike String.
A context bound describes an implicit value, instead of view bound's implicit conversion. It is used to declare that for s...
How do I use Assert to verify that an exception has been thrown?
...@dbkk: Doesnt work exactly the same in NUnit - the message is treated as a string that needs to matcvh the exception message (and IU think that makes more sense)
– Ruben Bartelink
Jun 25 '09 at 10:48
...
Is quoting the value of url() really necessary?
...d by <url>. The syntax of a <url> is:
<url> = url( <string> <url-modifier>* )
The unquoted version is only supported for legacy reasons and needs special parsing rules (for escape sequences, etc.), thus being cumbersome and not supporting url-modifiers.
That means,...
How to add custom method to Spring Data JPA
...ic class MyEntity {
@Id
private Long id;
@Column
private String comment;
}
Repository interface:
package myapp.domain.myentity;
@Repository
public interface MyEntityRepository extends JpaRepository<MyEntity, Long> {
// EXAMPLE SPRING DATA METHOD
List<MyEntity...
Get form data in ReactJS
...t docs:
https://facebook.github.io/react/docs/more-about-refs.html#the-ref-string-attribute
For a lot of the reasons described in How do I use radio buttons in React? this approach isn't always the best, but it does present a useful alternative in some simple cases.
...
Parse JSON in TSQL
...pful article from the Simple Talk website that outlines how to take a JSon string and output it into tables and columns that can be queried. This is for SQL Server 2016: https://www.simple-talk.com/sql/learn-sql-server/json-support-in-sql-server-2016/
– codeaf
...
Copy a variable's value into another
...nal object.
If your object contains only primitive types like numbers and strings, a deep copy and shallow copy will do exactly the same thing. But if your object contains other objects or arrays nested inside it, then a shallow copy doesn't copy those nested objects, it merely creates references t...