Java - heap dump utilities
Heap histogram 1 jmap -histo [pid] Heap usage 1 jmap -heap [pid]
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Java - an example code to extract mime type from base64 string of an image
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 private boolean isMatch(byte[] pattern,...
C++ - Measuring execution time library in function level
Interesting tool on measuring the execution time of C++ application in function level. https://github.com/namhyung/uftrace
Cassandra - Resuming pagination
Cassandra provides the page state information and it can be reused to get next iteration. 1 2 3 4 5 6 7 Statement stmt = QueryBuilder .se...
Gradle - Java project setup with Gradle
https://rominirani.com/announcing-gradle-tutorial-series-5fd134223bf8#.kzn6qpx5i