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What's the point of having pointers in Go?
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I really like example taken from http://www.golang-book.com/8
func zero(x int) {
x = 0
}
func main() {
x := 5
zero(x)
fmt.Println(x) // x is still 5
}
as contrasted with
func zero(xPtr *int) {
*xPtr = 0
}
func main() {
x := 5
zero(&x)
fmt.Println(x) // ...
mongoDB/mongoose: unique if not null
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Which is best way to define constants in android, either static class, interface or xml resource?
...g project resources is the ease of access and that they allow you to organize your project significantly.
static final constants are compiled into the java bytecode; project resources are compiled into a binary format within the apk. Accessing either is extremely efficient... if there is a differen...
What is a Manifest in Scala and when do you need it?
...evins
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Build the full path filename in Python
...ɹoɈ
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7
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Which concurrent Queue implementation should I use in Java?
...ior.
Taking the easiest first, ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread removes an element. The fairness issue is what happens if multiple threads try to insert and remove...
Why is rbindlist “better” than rbind?
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rbindlist is an optimized version of do.call(rbind, list(...)), which is known for being slow when using rbind.data.frame
Where does it really excel
Some questions that show where rbindlist shines are
Fast vectorized merge of list of data.fra...
How to create a density plot in matplotlib?
...ica
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answered Nov 11 '10 at 6:49
Justin PeelJustin Peel
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What is the difference between Pan and Swipe in iOS?
...ve translational movement of touch points. The difference is in the recognizer semantics: a pan recognizer looks for the beginning of translational movement and continues to report movement in any direction over time, while a swipe recognizer makes an instantaneous decision as to whether the user's ...
ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
...ricdc
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