Twenty Percent Knowledge

1. Using JVM option, Automatically when OutOfMemory happens.      -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp/esDump.hprof     i...

#create a swap file, fallocate is not working #fallocate -l 2G /swapfile dd if=/dev/zero of=/swapfile bs=1024 count=20971...

Feature substring can be thought as a feature, this kind of question is asking for find that feature in a string. Not order related htt...

achieved acted adapted addressed adjusted administered advised altered analyzed arranged assembled assessed audited balanced broadened ...

Since the contest is over(seems I have a chance to get an ASML T-Shirt), the solution can be posted now. Scarily, it takes me time to unde...

IncreasingSequences Given two sequences of integers, count the minimum number of swaps (A[k], B[k]) needed to make both sequences increas...

The current one is hard. I will not include link to certificate since the challenge is not completed yet and solution can be viewed from lin...