Duane Bester duanebester
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| // | |
| // Code for: https://www.hackerrank.com/challenges/a-very-big-sum | |
| // | |
| object Solution { | |
| def main(args: Array[String]) { | |
| val num = readInt() | |
| // See if number is positive or negative |
duanebester
/ find-usb-windows.go
Last active
October 1, 2015 23:23
Enter your USB Vendor ID and print the "Friendly Name"
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| package main | |
| /* | |
| #cgo LDFLAGS: -lSetupapi | |
| #ifdef __MINGW32__ | |
| #include <ntdef.h> | |
| #endif | |
| #include <windows.h> | |
| #include <setupapi.h> |
duanebester
/ ObjectIdSerialization.scala
Last active
December 11, 2015 21:04
Spray Json to Reactive Mongo ObjectId
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| import spray.json.DefaultJsonProtocol | |
| /** | |
| * Created by duane on 12/11/2015. | |
| */ | |
| trait ObjectIdSerialization extends DefaultJsonProtocol { | |
| import reactivemongo.bson.BSONObjectID | |
| import spray.json._ |
duanebester
/ svg2png.sh
Created
February 10, 2018 13:58
Svg to Png for React Native asset conversion
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| #!/bin/sh | |
| rsvg-convert -v > /dev/null 2>&1 || { echo "rsvg-convert is not installed, use: brew install librsvg." >&2; exit 1; } | |
| ASSETS_FOLDER=$1 | |
| if [ "$ASSETS_FOLDER" == "" ]; then | |
| echo "Usage: $0 /path/to/svg/assets/" >&2 | |
| exit 1 | |
| fi |
duanebester
/ trait-ocr.scala
Last active
May 31, 2018 13:06
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| trait OCR { | |
| val tesseract: Tesseract = new Tesseract | |
| tesseract.setDatapath("/usr/local/Cellar/tesseract/3.05.01/share/") | |
| } |
duanebester
/ build-ocr.sbt
Last active
May 31, 2018 13:12
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| // Dependencies | |
| libraryDependencies += "net.sourceforge.tess4j" % "tess4j" % "4.0.0" | |
| libraryDependencies += "com.typesafe.akka" %% "akka-stream" % "2.5.12" | |
| libraryDependencies += "com.typesafe.akka" %% "akka-http" % "10.1.1" | |
| libraryDependencies += "com.typesafe.akka" %% "akka-http-spray-json" % "10.1.1" | |
| // Plugins | |
| addSbtPlugin("org.bytedeco" % "sbt-javacv" % "1.16") |
duanebester
/ server-ocr-1.scala
Last active
May 31, 2018 21:16
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| object Main extends App with OCR { | |
| implicit val system: ActorSystem = ActorSystem("ocr") | |
| implicit val executor: ExecutionContextExecutor = system.dispatcher | |
| implicit val materializer: ActorMaterializer = ActorMaterializer() | |
| implicit val jsonStreamingSupport = EntityStreamingSupport.json() | |
| import MyJsonProtocol._ | |
| def imageDeSkew:Flow[BufferedImage] = ??? | |
| def imageToBinaryImage:Flow[BufferedImage] = ??? | |
| def bufferedImageToMat:Flow[BufferedImage] = ??? |
duanebester
/ ocr-binary-flow.scala
Last active
May 31, 2018 19:55
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| def imageToBinaryImage = Flow[BufferedImage].map(img => { | |
| val bin = ImageHelper.convertImageToBinary(img) | |
| bin | |
| }) |
duanebester
/ deskew-ocr-1.scala
Last active
June 12, 2018 13:07
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| def imageDeSkew(skewThreshold:Double = 0.05) = Flow[BufferedImage].map(bi => { | |
| val deSkew = new ImageDeskew(bi) | |
| val imageSkewAngle = deSkew.getSkewAngle | |
| if (imageSkewAngle > skewThreshold || imageSkewAngle < -skewThreshold) { | |
| ImageUtil.rotate(bi, -imageSkewAngle, bi.getWidth() / 2, bi.getHeight() / 2) | |
| } else { | |
| bi | |
| } | |
| }) |
duanebester
/ server-ocr-2.scala
Last active
May 31, 2018 20:12
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| val route = | |
| path("image" / "process") { | |
| post { | |
| fileUpload("fileUpload") { | |
| case (_, fileStream) => | |
| val inputStream = fileStream.runWith(StreamConverters.asInputStream()) | |
| val image: BufferedImage = ImageIO.read(inputStream) | |
| val preProcessed: Source[ByteString, NotUsed] = Source | |
| .single(image) |