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gjorgiev / interpreter.rkt
Created January 14, 2017 01:42 — forked from naxhh/interpreter.rkt
MUPL interpreter in racket
#lang racket
(provide (all-defined-out)) ;; so we can put tests in a second file
;; definition of structures for MUPL programs
(struct var (string) #:transparent) ;; a variable, e.g., (var "foo")
(struct int (num) #:transparent) ;; a constant number, e.g., (int 17)
(struct add (e1 e2) #:transparent) ;; add two expressions
(struct ifgreater (e1 e2 e3 e4) #:transparent) ;; if e1 > e2 then e3 else e4
(struct fun (nameopt formal body) #:transparent) ;; a recursive(?) 1-argument function
(struct call (funexp actual) #:transparent) ;; function call
@gjorgiev
gjorgiev / ImagePicker.java
Created March 10, 2016 12:08 — forked from Mariovc/ ImagePicker.java
Utility for picking an image from Gallery/Camera with Android Intents
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.media.ExifInterface;