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Can anonymous class implement interface?
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The method can be used like this:
class Program
{
static void Main(string[] args)
{
var developer = new { Name = "Jason Bowers" };
PrintDeveloperName(developer.DuckCast<IDeveloper>());
Console.ReadKey();
}
private static void PrintDeveloperName(ID...
What is __pycache__?
...WRITEBYTECODE to any value (according to python's man page, any "non-empty string").
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history.replaceState() example?
...es this parameter, although it may use it in the future. Passing the empty string here should be safe against future changes to the method. Alternatively, you could pass a short title for the state to which you're moving.
sh...
How to implement an ordered, default dict? [duplicate]
...', None)])
And if your keys are single characters, you can just pass one string:
OrderedDict.fromkeys('abc')
This has the same output as the two examples above.
You can also pass a default value as the second arg to OrderedDict.fromkeys(...).
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What does functools.wraps do?
...ause that's the name of your new function. In fact, if you look at the docstring for f, it will be blank because with_logging has no docstring, and so the docstring you wrote won't be there anymore. Also, if you look at the pydoc result for that function, it won't be listed as taking one argument ...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
... json.dumps(), then encode the value to UTF-8 manually:
>>> json_string = json.dumps("ברי צקלה", ensure_ascii=False).encode('utf8')
>>> json_string
b'"\xd7\x91\xd7\xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\x9c\xd7\x94"'
>>> print(json_string.decode())
"ברי צקלה"
If...
Check if URL has certain string with PHP
I would like to know if some word is present in the URL.
15 Answers
15
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How do I get the number of elements in a list?
...e number of items) of an object. The argument may be a sequence (such as a string, bytes, tuple, list, or range) or
a collection (such as a dictionary, set, or frozen set).
len is implemented with __len__, from the data model docs:
object.__len__(self)
Called to implement the built-in funct...
Email Address Validation in Android on EditText [duplicate]
...Message);
final TextView textView = (TextView)findViewById(R.id.text);
String email = emailValidate.getText().toString().trim();
String emailPattern = "[a-zA-Z0-9._-]+@[a-z]+\\.+[a-z]+";
emailValidate .addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
...
Inspect hovered element in Chrome?
...t is far and beyond better than the rest. This is simple and easy without extra scripts.
– Alexander Dixon
Jan 6 '17 at 20:06
2
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