optimal approach to animate radar in iOS?

I'm trying to animate the heading line of a naval-style radar (the spinning part below) in iOS, like this: My cur...

Why does QtGraphicalEffects cause changes to the Render Buffer each frame??

I am having some pretty big performance issues using a ListView where all delegates are using a RectangularGlow as t...

System.out.println() vs \n in Java?

Let's say I wanted to print 5 lines. Which is the best method (for performance and readability). System.out.println...

Performance testing : meaningful graph of a 3 variable statistic result?

I'm performing performance testing of a computer application (JAVA). The test concerns the response time (t) obtaine...

SQL Server SELECT LAST N Rows?

This is a known question but the best solution I've found is something like: SELECT TOP N * FROM MyTable ORDER BY I...

What do we mean by “top percentile” or TP based latency??

When we discuss performance of a distributed system we use the terms tp50, tp90, tp99.99 TPS. Could someone explain ...