The challenge Complete the solution so that it splits the string into pairs of two characters. If the string contains an odd number of characters then it should replace the missing second character of the final pair with an underscore (‘_’). Examples: Tes... (more…)

leakcanary - A memory leak detection library for Android and Java.

In this Java Performance training program, engineers will be equipped with necessary knowledge to optimize CPU, memory and response time. (more…)

Notarization is required as of macOS 10.15 (Catalina), and it’s a bit of aminefield - doubly so for a Java application, or anything built outside Xcode. (more…)

I started reading "Cracking the Coding Interview, 6th Edition" book recently and it inspired me to experiment a bit. It’s been a while since I implemented the quicksort algorithm the l... (more…)