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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' ...
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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 share | improve this answe...
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What's the difference between String(value) vs value.toString()

... Dagg NabbitDagg Nabbit 64.7k1717 gold badges9898 silver badges135135 bronze badges a...
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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...
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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...
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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...
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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...
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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*/...
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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...
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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...