Fixing Java's ByteBuffer native memory "leak" (evanjones.ca)
[ 2015-December-27 14:42 ] TL;DR: The Java NIO API caches a maximum-sized direct ByteBuffer for each thread, which looks like a native memory leak if you read or write large blocks from many threads. You can easily patch the JDK yourself to work around this problem. Always use direct ByteBuffers with Java NIO APIs for the best performance, and to avoid this "leak." Under the covers, heap ByteBuffe
A TCP "stuck" connection mystery (evanjones.ca)
[ 2011-September-19 19:17 ] There is almost nothing as satisfying as fixing a difficult bug. I just figured out a rare hang that was plaguing a performance test for my PhD research for about the last year. The problem was that occasionally some simulated MySQL clients would get stuck waiting to connect. When I examined the server, there was no trace of the connection. The short version of the stor
How to Use UTF-8 with Python (evanjones.ca)
[ 2005-October-01 20:15 ] Tim Bray describes why Unicode and UTF-8 are wonderful much better than I could, so go read that for an overview of what Unicode is, and why all your programs should support it. What I'm going to tell you is how to use Unicode, and specifically UTF-8, with one of the coolest programming languages, Python, but I have also written an introduction to Using Unicode in C/C++.
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