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Interfaces — What's the point?
...interface:
public interface ICreatureFactory {
ICreature GetCreature(string creatureType);
}
Our front end could then have this injected (e.g an MVC API controller) through the constructor (typically):
public class CreatureController : Controller {
private readonly ICreatureFactory _fac...
How do I include a file over 2 directories back?
... since it has only disadvantages. Or (the third alternative) you could use string manipulation to extract parent directory from the (expanded) current path but once again this doesn’t have any advantages to using relative paths.
– Konrad Rudolph
Aug 20 '12 at...
Setting element of array from Twig
.../github.com/twigphp/Twig/issues/789 ).
That will work only when keys are strings
What I did is recreate another table ( temp) from the initial table (t) and make the keys a string , for example :
{% for key , value in t%}
{% set temp= temp|merge({(key~'_'):value}) %}
{% endfor %}
t keys : 0...
What exactly are iterator, iterable, and iteration?
... ITERABLE is:
anything that can be looped over (i.e. you can loop over a string or file) or
anything that can appear on the right-side of a for-loop: for x in iterable: ... or
anything you can call with iter() that will return an ITERATOR: iter(obj) or
an object that defines __iter__ that retur...
Amazon S3 boto - how to create a folder?
...iece of cake with Boto
k = bucket.new_key('abc/123/')
k.set_contents_from_string('')
Or use the console
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How to convert list of tuples to multiple lists?
...xs, ys
if __name__ == '__main__':
from timeit import timeit
setup_string='''\
N = 2000000
xs = list(range(1, N))
ys = list(range(N+1, N*2))
zs = list(zip(xs, ys))
from __main__ import t1, t2, t3
'''
print(f'zip:\t\t{timeit('t1(zs)', setup=setup_string, number=1000)}')
print(f'append...
PHP check whether property exists in object or class
...
property_exists( mixed $class , string $property )
if (property_exists($ob, 'a'))
isset( mixed $var [, mixed $... ] )
if (isset($ob->a))
isset() will return false if property is null
Example 1:
$ob->a = null
var_dump(isset($ob->a)); //...
How do I encode and decode a base64 string?
...
Encode
public static string Base64Encode(string plainText) {
var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
return System.Convert.ToBase64String(plainTextBytes);
}
Decode
public static string Base64Decode(string base64...
Getting the name of a child class in the parent class (static context)
...:
get_class($this);
and it will return the name of the child class as a string.
i.e.
class Parent() {
function __construct() {
echo 'Parent class: ' . get_class() . "\n" . 'Child class: ' . get_class($this);
}
}
class Child() {
function __construct() {
parent::const...
Open URL in same window and in same tab
...
That isn’t the same page. It will remove any query string from the existing URL.
– Quentin
Apr 29 '19 at 6:57
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