December 2015
Beginner to intermediate
122 pages
2h 23m
English
Content preview from Building Python Real time Applications with StormBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Debugging
Until now, we've debugged topologies using log messages and automated tests. These techniques are very powerful, but sometimes it may be necessary to debug directly inside the Storm environment. For example, the problem may:
- Depend on running as a particular user
- Occur only with real data
- Occur only when there are many instances of the component running in parallel
This section introduces a tool for debugging inside Storm.
Winpdb is a portable, GUI-based debugger for Python, with support for embedded debugging. If you're not familiar with the term "embedded debugging", note this: it simply means that Winpdb can attach to a program that was launched in some other way and not necessarily from WinDbg or your command shell. For this reason, it ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.