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Golang: How to pad a number with zeros when printing?
...lled maxVal in the following example):
myWidth := 1 + int(math.Log10(float64(maxVal)))
fmt.Printf("%*d", myWidth, nextVal)
Last, if you don't want to print to stdout but return a String, use Sprintf also from fmt package with the same parameters:
s := fmt.Sprintf("%06d", 12) // returns '000012' ...
What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
... : private
4 : protected
8 : static
16 : final
32 : synchronized
64 : volatile
128 : transient
256 : native
512 : interface
1024 : abstract
2048 : strictfp
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What's the difference between String(value) vs value.toString()
...
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
...
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
...
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?
....
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?
...
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
...
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...