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What's the difference between String(value) vs value.toString()
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Dagg NabbitDagg Nabbit
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a...
What is the Scala annotation to ensure a tail recursive function is optimized?
...\Scala\tests>scala
Welcome to Scala version 2.8.0.RC5 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_18).
Type in expressions to have them evaluated.
Type :help for more information.
scala> import scala.annotation.tailrec
import scala.annotation.tailrec
scala> class Tails {
| @tailre...
Custom CSS Scrollbar for Firefox
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Firefox 64 adds support for the spec draft CSS Scrollbars Module Level 1, which adds two new properties of scrollbar-width and scrollbar-color which give some control over how scrollbars are displayed.
You can set scrollbar-color to...
How to enumerate an enum with String type?
...atingBitPattern: $0), T.self) }
case 8: cast = { unsafeBitCast(UInt64($0), T.self) }
default: fatalError("cannot be here")
}
var i = 0
return GeneratorOf {
let next = cast(i)
return next.hashValue == i++ ? next : nil
}
}
The underlying idea is:
Me...
How to set standard encoding in Visual Studio
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64
Do you want the files to save as UTF-8 because you are using special characters that would be l...
Reset C int array to zero : the fastest way?
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Note that this solution is not generic, it only works on data of 32 or 64 bits. Please comment if this code is doing something incorrect.
#include<immintrin.h>
#define intrin_ZERO(a,n){\
size_t x = 0;\
const size_t inc = 32 / sizeof(*(a));/*size of 256 bit register over size of variable*/...
What is the meaning of polyfills in HTML5?
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64
First off let's clarify what a polyfil is not: A polyfill is not part of the HTML5 Standard. N...
Join vs. sub-query
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64
I made very good experiences with sub-queries that contain a back-reference to the upper query, especially when it comes to row-counts abov...
Are tuples more efficient than lists in Python?
... -m timeit -s "x=[1,2,3,4,5,6,7,8]" "y=x[3]"
10000000 loops, best of 3: 0.0649 usec per loop
So in this case, instantiation is almost an order of magnitude faster for the tuple, but item access is actually somewhat faster for the list! So if you're creating a few tuples and accessing them many man...
Android preferences onclick event
...z am getting ActivityNotFoundException :(
– theapache64
Feb 8 '16 at 17:01
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