Tobi Oetiker questions

Tobi Oetiker answers

• Does a modified command invocation tool – which dynamically regulates a job pool according to load – already exist?
• Add signature into PDF in perl
• How to read RRD file to get usage data?
• Parsing an array encoded in JSON through perl
• How do I get min, median and max from my query in postgresql?
• Do any of the major document-oriented database systems compress keys within their JSON documents?
• How can I find long term trends using RRD?
• not able to fetch the data from rrd file
• RRDTool - fetching data based on several RRD'S
• Is Qooxdoo protected against XSS