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how to listen to N channels? (dynamic select statement)
...o a shared "aggregate" channel. For example:
agg := make(chan string)
for _, ch := range chans {
go func(c chan string) {
for msg := range c {
agg <- msg
}
}(ch)
}
select {
case msg <- agg:
fmt.Println("received ", msg)
}
If you need to know which channel the message ...
Cannot highlight all occurrences of a selected word in Eclipse
... answered Jan 9 '17 at 6:32
tk_tk_
11.9k55 gold badges6969 silver badges7878 bronze badges
...
How to calculate dp from pixels in android programmatically [duplicate]
...
float ht_px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, ht, getResources().getDisplayMetrics());
float wt_px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, wt, getResources().getDisplayMetrics());
...
Is it .yaml or .yml?
...
Wikipedia's Category:Filename_extensions page lists entries for .a, .o and .z. Somehow, it missed .c and .h. These single-letter extensions help us see that extensions should be as long as necessary, but no longer (to half-quote A. Einstein).
...
C++ unordered_map using a custom class type as the key
I am trying to use a custom class as key for an unordered_map , like the following:
3 Answers
...
'python' is not recognized as an internal or external command [duplicate]
... variables are set correctly. Any reason why?
– alpha_989
Sep 30 '17 at 23:40
superb! But, I think in my organization ...
switch / pattern matching idea
...Car as car when car.EngineType = Gasoline -> 200 + car.Doors * 20
| _ -> failwith "blah"
assuming you'd defined a class hierarchy along the lines of
type Vehicle() = class end
type Motorcycle(cyl : int) =
inherit Vehicle()
member this.Cylinders = cyl
type Bicycle() = inherit ...
'setInterval' vs 'setTimeout' [duplicate]
... edited May 19 '14 at 8:48
gion_13
38.3k99 gold badges9090 silver badges101101 bronze badges
answered Apr 23 '10 at 6:39
...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
... used.
Another place where auto can be used is when you use new1 or make_* functions , such as here:
//without auto. Not that good, looks cumbersome
SomeType<OtherType>::SomeOtherType * obj1 = new SomeType<OtherType>::SomeOtherType();
std::shared_ptr<XyzType> obj2 = std::make_s...
What's the difference between deadlock and livelock?
... is a great video demonstrating deadlock and livelock: youtube.com/watch?v=_IxsOEEzf-c
– BlackVegetable
Apr 18 '15 at 22:25
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