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Scala actors: receive vs react
...es something, a thread gets allocated to it, and it is initialized in it.
Now, the initialization part is important. A receiving thread is expected to return something, a reacting thread is not. So the previous stack state at the end of the last react can be, and is, wholly discarded. Not needing t...
How to access command line parameters?
...
println(args[0]);
}
It seems that Rust is still pretty volatile right now with even standard IO, so this may become out of date fairly quickly.
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How can I access “static” class variables within class methods in Python?
... bar = 1
@classmethod
def bah(cls):
print cls.bar
Now if bah() has to be instance method (i.e. have access to self), you can still directly access the class variable.
class Foo(object):
bar = 1
def bah(self):
print self.bar
...
When to use -retainCount?
I would like to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it.
...
Visualizing branch topology in Git
...it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that seem to be used everywhere for explaining branches?
...
Mapping two integers to one, in a unique and deterministic way
...s is the correct answer for unbounded integers.
– Unknown
May 28 '09 at 7:53
4
How can i get agai...
The entity cannot be constructed in a LINQ to Entities query
...Cargowire - I agree, that scenario exists, and it is frustrating when you know what you are doing but are not allowed to do it due to limitations. However, had this been allowed, there would be lots of frustrated developers complaining about their data getting lost when e.g. trying to save partially...
How does the socket API accept() function work?
...dard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
...
No internet on Android emulator - why and how to fix? [closed]
...ator command line solved the issue for me. Android had no internet before, now it has. Running on Win10. I'm puzzled why that command line argument was necessary though?
– mipnw
Apr 1 '18 at 3:18
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How to directly initialize a HashMap (in a literal way)?
...Map("key", "value").
For Java Version 9 or higher:
Yes, this is possible now. In Java 9 a couple of factory methods have been added that simplify the creation of maps :
// this works for up to 10 elements:
Map<String, String> test1 = Map.of(
"a", "b",
"c", "d"
);
// this works for ...