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public friend swap member function
...unding namespace. For example, these were equivalent pre-standard:
struct foo
{
friend void bar()
{
// baz
}
};
// turned into, pre-standard:
struct foo
{
friend void bar();
};
void bar()
{
// baz
}
However, when ADL was invented this was removed. The friend fun...
Multiprocessing - Pipe vs Queue
...]) exited while multiprocessing
Traceback (most recent call last):
File "foo.py", line 19, in __init__
self.run(args)
File "foo.py", line 46, in run
KeyError: 'that'
Source Code:
"""
multi_pipe.py
"""
from multiprocessing import Process, Pipe
import time
def reader_proc(pipe):
...
How do you do a deep copy of an object in .NET? [duplicate]
...e the class declaration, add [Serializable]. so [Serializable]public class Foo { } will make Foo marked as serializable.
– Dan Atkinson
Aug 3 '11 at 22:51
18
...
Undo scaffolding in Rails
...db:rollback
You can create scaffolding using:
rails generate scaffold MyFoo
(or similar), and you can destroy/undo it using
rails destroy scaffold MyFoo
That will delete all the files created by generate, but not any additional changes you may have made manually.
...
What is the correct answer for cout
... @ChristopherSmith Where do you see a sequence point between the two c in foo(foo(bar(c)), c)? There's a sequence point when functions are called, and when they return, but there's no function call required between the evaluations of the two c.
– James Kanze
...
How to enter quotes in a Java string?
...le name. Also, your code is needlessly complex. This would do fine: String foo = quotes + "ROM" + quotes;. No need for all those extra "".
– Duncan Jones
Mar 18 '15 at 8:55
ad...
How can I declare optional function parameters in Javascript? [duplicate]
...alue of 0. If you want another default value just change that to b = b || 'foo'.
– Tigraine
Nov 4 '15 at 9:58
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show 6 more comments
...
Why C# fails to compare two object types with each other but VB doesn't?
.... For example, string provides ==(string, string):
string x = new string("foo".ToCharArray());
string y = new string("foo".ToCharArray());
Console.WriteLine(x == y); // True
Console.WriteLine((object) x == (object) y); // False
Here the first comparison is using the overloaded operator, but the s...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
... @Override
public String getEndpointUri() {
return "activemq:foo.bar";
}
}
class Consumer extends UntypedConsumerActor{
@Override
public String getEndpointUri() {
return "activemq:foo.bar";
}
@Override
public void onReceive(Object message) throws Exce...
How do I make a list of data frames?
...
Instead of lapply(foo, get), just use mget(foo)
– Gregor Thomas
Nov 21 '17 at 18:32
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