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Checking if an instance's class implements an interface?
...). Just as with Reflection, this allows you to specify the class name as a string and doesn't require an instance of the class:
interface IInterface
{
}
class TheClass implements IInterface
{
}
$interfaces = class_implements('TheClass');
if (isset($interfaces['IInterface'])) {
echo "Yes!";
}...
Why {} + {} is NaN only on the client side? Why not in Node.js?
While [] + [] is an empty string, [] + {} is "[object Object]" , and {} + [] is 0 . Why is {} + {} NaN?
1 Answer
...
How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
... milliseconds of the current moment in Java? I would like to have them as Strings .
9 Answers
...
Class vs. static method in JavaScript
...: primitive values—which include undefined, null, booleans, numbers, and strings—aren't technically objects because they're low-level language implementations. Booleans, numbers, and strings still interact with the prototype chain as though they were objects, so for the purposes of this answer, ...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...xample, say {1: 'one', 2: 'two'}. The second variant only works for (some) string keys. Using different kinds of syntax depending on the type of the keys would be an unnecessary inconsistency.
It is faster:
$ python -m timeit "dict(a='value', another='value')"
1000000 loops, best of 3: 0.79 usec pe...
Exception messages in English?
...er(@"c:\does-not-exist");
}
catch(Exception ex)
{
Console.WriteLine(ex.ToString()); //Will display localized message
ExceptionLogger el = new ExceptionLogger(ex);
System.Threading.Thread t = new System.Threading.Thread(el.DoLog);
t.CurrentUICulture = new System.Globalization.CultureInfo("en-...
Django TemplateDoesNotExist?
... ],
},
},
]
You need to add to 'DIRS' the string
"os.path.join(SETTINGS_PATH, 'templates')"
So altogether you need:
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(SETTINGS_PATH, 'templates'...
How to construct a REST API that takes an array of id's for the resources
...cate query parameters will be combined into an array. With the above query string, PHP happens to tell you that id equals [1, 2, 3], but Ruby on Rails tells you it equals 3, and other frameworks may also act differently, e.g. saying id equals 1. URLs like …?id=1,2,3 avoid this potential for confus...
How to cast List to List
...'s a more versatile solution:
List<Object> objects = Arrays.asList("String1", "String2");
List<String> strings = objects.stream()
.map(element->(String) element)
.collect(Collectors.toList());
There's a ton of benefits, but one is that...
What's the difference between ES6 Map and WeakMap?
...
@MuhammadUmer: object can only have string ‘keys’, while WeakMap can only have non-primitive keys (no strings or numbers or Symbols as keys, only arrays, objects, other maps, etc.).
– Ahmed Fasih
Aug 28 '16 at 5:41
...