SMTP over XXE − how to send emails using Java’s XML parser

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Java Two-Dimensional Array

The arrays we used so far were uniform series arrays, where all the array elements stay in a simple list, like in a column. This is the structure of one-dimensional array, where all elements fit in one list (life is very simple). But sometimes, you may ne... (more…)

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Making FlameGraphs with Containerized Java

About a month ago, I had the pleasure of taking a tutorial led by the fantastic Brendan Gregg on creating FlameGraphs using the Linux perf toolset. I recommend reading his many blog posts on the subject, but in short: while perf is an excellent resource f...

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