Rotwang

    let x = 1930;
    let len = (x as f64).log10().floor() as u32 + 1;
    let mut digits = (0..len)
        .map(|i| (x / 10u64.pow(i)) % 10)
        .collect::<Vec<u64>>();
    digits.sort_unstable();
    let mut answer: u64 = 0;
    for (i, v) in digits.iter().enumerate() {
        answer += v * 10u64.pow(i as u32);
    }

Rotwang

bartek@computingmachine:~$ cat wojtek 
#!/usr/bin/env bash

wojtek="$(stat -L -c %f $1)"
case $((16#$wojtek >> 12)) in
  1)  echo FIFO ;;
  2)  echo Character dev ;;
  4)  echo Directory ;;
  6)  echo Block dev ;;
  8)  echo Regular file ;;

Rotwang

2015.10.29 16:52:50 ERROR [o.s.s.c.t.CeWorkerRunnableImpl] Failed to execute task AVC0hButKV3w6spAcebm
java.lang.IllegalArgumentException: Multiple entries with same key: scala=Scala and scala=Scala
	at com.google.common.collect.ImmutableMap.checkNoConflict(ImmutableMap.java:150) ~[guava-17.0.jar:na]
	at com.google.common.collect.RegularImmutableMap.checkNoConflictInBucket(RegularImmutableMap.java:104) ~[guava-17.0.jar:na]
	at com.google.common.collect.RegularImmutableMap.<init>(RegularImmutableMap.java:70) ~[guava-17.0.jar:na]
	at com.google.common.collect.ImmutableMap$Builder.build(ImmutableMap.java:254) ~[guava-17.0.jar:na]
	at com.google.common.collect.Maps.uniqueIndex(Maps.java:1166) ~[guava-17.0.jar:na]
	at com.google.common.collect.Maps.uniqueIndex(Maps.java:1140) ~[guava-17.0.jar:na]
	at org.sonar.server.computation.language.LanguageRepositoryImpl.<init>(LanguageRepositoryImpl.java:46) ~[sonar-server-5.2-RC4.jar:na]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_6

Rotwang

diff -pruN nqp-2013.11.orig/3rdparty/dyncall/buildsys/gmake/targets.gmake nqp-2013.11/3rdparty/dyncall/buildsys/gmake/targets.gmake
--- nqp-2013.11.orig/3rdparty/dyncall/buildsys/gmake/targets.gmake	2013-11-22 11:11:38.000000000 +0100
+++ nqp-2013.11/3rdparty/dyncall/buildsys/gmake/targets.gmake	2013-12-23 22:08:24.000000000 +0100
@@ -76,13 +76,13 @@ endif
 dirs: $(DIRS)
 ifdef DIRS
 $(DIRS): 
-	$(MAKE_COMMAND) -C $@ $(MAKECMDGOALS)
+	$(MAKE) -C $@ $(MAKECMDGOALS)
 endif