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Using socket.io in Express 4 and express-generator's /bin/www
...ted');
});
socketApi.sendNotification = function() {
io.sockets.emit('hello', {msg: 'Hello World!'});
}
module.exports = socketApi;
app.js
// Nothing here
In this way all socket.io related code in one module and function from it I can invoke from anywhere in application.
...
How can you set class attributes from variable arguments (kwargs) in python
...class body except __init__
obj1 = Foo(d=999,c=False)
obj2 = Bar(h=-999,k="Hello")
obj1.__dict__ # {'a': 0, 'b': None, 'c': False, 'd': 999}
obj2.__dict__ # {'g': 0, 'h': -999, 'j': True, 'k': 'Hello'}
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What is a good use case for static import of methods?
...AY));
Example of when not to use
// Ok this is an Optional
Optional.of("hello world");
// I have no idea what this is
of("hello world");
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improve this answer
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f...
What is attr_accessor in Ruby?
...in other methods.
class Person
attr_accessor :name
def greeting
"Hello #{@name}"
end
end
person = Person.new
person.name = "Dennis"
person.greeting # => "Hello Dennis"
That's it. In order to understand how attr_reader, attr_writer, and attr_accessor methods actually generate method...
How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...
@hello - yeah, single point of exit has it's virtues when it doesn't get in the way. those that take it too seriously these days are misunderstanding the origin of the maxim.
– Sky Sanders
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Split string based on regex
What is the best way to split a string like "HELLO there HOW are YOU" by upper case words (in Python)?
3 Answers
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When should I use double or single quotes in JavaScript?
... suits the string.
Using the other type of quote as a literal:
alert('Say "Hello"');
alert("Say 'Hello'");
This can get complicated:
alert("It's \"game\" time.");
alert('It\'s "game" time.');
Another option, new in ECMAScript 6, is template literals which use the backtick character:
alert(`Use "d...
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...g these are numpy arrays not regular python ones. For example: np.array(["hello"])[0].dtype works but ["hello"][0].dtype does not
– Hammer
Jun 19 '17 at 21:21
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Is it good practice to use java.lang.String.intern()?
...
So you mean, if there are 1000 objects of "Hello" in Heap and i perform intern() on one of them, then rest 999 objects will be destroyed automatically?
– Arun Raaj
Mar 23 '18 at 12:28
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Is there a splice method for strings?
...us, strings are not just immutable, they are a value. Changing the string "hello" to be "world" is like deciding that from now on the number 3 is the number 4... it makes no sense.
So, with that in account, one may expect the "string.splice" thing to only:
accepts up to 2 arguments: start positi...