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npm install vs. update - what's the difference?
...hy use npm install at all?
Because npm install does more when you look besides handling your dependencies in package.json.
As you can see in npm install you can ...
manually install node-modules
set them as global (which puts them in the shell's PATH) using npm install -g <name>
install cer...
What happens if i return before the end of using statement? Will the dispose be called?
...add: because Dispose is guaranteed to be called, it's almost always a good idea to ensure that Dispose never throws an exception when you implement IDisposable. Unfortunately, there are some classes in the core library that do throw in certain circumstances when Dispose is called -- I'm looking at y...
multiprocessing: How do I share a dict among multiple processes?
...iprocessing as mp
import os
import pprint
def f(d: dict) -> None:
pid = os.getpid()
d[pid] = "Hi, I was written by process %d" % pid
if __name__ == '__main__':
with mp.Manager() as manager:
d = manager.dict()
with manager.Pool() as pool:
pool.map(f, repea...
Can I arrange repositories into folders on Github?
...
This is not an answer so much as a heads up.
One recent side effect of structuring utilizing organizations has come to light due to the following announcement of free private repos for users: https://blog.github.com/2019-01-07-new-year-new-github/
Organization private repos are st...
“new” keyword in Scala
...o instantiate Java objects only?
With Scala 3 (which should be released mid 2020, eight years later), based on Dotty: never.
Scala 3 will drop "new", as in this thread
Creator applications allow to use simple function call syntax to create instances
of a class, even if there is no apply met...
Java Generics (Wildcards)
... in the type hierarchy. (Sorry for the extremely late reply. I guess we didn't have comment notifications 2 years ago?)
– Bill the Lizard
Nov 5 '10 at 17:37
add a comment
...
How to override to_json in Rails?
...rror: wrong number of arguments (1 for 0) because to_json needs to be overridden with one parameter, the options hash.
def to_json(options)
...
end
Longer explanation of to_json, as_json, and rendering:
In ActiveSupport 2.3.3, as_json was added to address issues like the one you have encount...
In Go's http package, how do I get the query string on a POST request?
... the desired field isn't present, use r.URL.Query().Get("moviename") to avoid this fatal mistake).
– Dave C
Mar 24 '15 at 20:01
1
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Why is arr = [] faster than arr = new Array?
...ed:
[]: ARRAY_INIT
[1]: ARRAY_INIT (NUMBER)
[1, foo]: ARRAY_INIT (NUMBER, IDENTIFIER)
new Array: NEW, IDENTIFIER
new Array(): NEW, IDENTIFIER, CALL
new Array(5): NEW, IDENTIFIER, CALL (NUMBER)
new Array(5,4): NEW, IDENTIFIER, CALL (NUMBER, NUMBER)
new Array(5, foo): NEW, IDENTIFIER, CALL (NUMBER, I...
How do I provide custom cast support for my class?
How do I provide support for casting my class to other types? For example, if I have my own implementation of managing a byte[] , and I want to let people cast my class to a byte[] , which will just return the private member, how would I do this?
...