.NET Debugging tricks you wish you knew tamir dresher
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Do you know what developers do most of their day (except for surfing the internet)? Writing code? WRONG! They are debugging. The debugger is a powerful tool, but in this talk you'll learn tricks that will help find bugs in half the time and with less frustration. Because a happy developer is a productive developer. This session will show you tools that will point to you to right direction and features you didn't know that are even there.
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.NET Debugging tricks you wish you knew tamir dresher
- 1. 1 Tamir Dresher Senior Software Architect J Debugging tricks you wish you knew https://oz-code.com
- 2. Debugging is a time-travel 2
- 3. 3 • Author of Rx.NET in Action (manning publications) • Software architect, consultant and instructor • Software Engineering Lecturer @ Ruppin Academic Center • OzCode Evangelist @tamir_dresher tamirdr@codevalue.net http://www.TamirDresher.com. About Me
- 4. Agenda Debugging a real-life problem Tips and Tricks Exceptions Breakpoints (JustMyCode, External Code) Debugging Multithreaded Applications Symbols Post-mortem & Production Debugging Debugging LINQ (if time allows) 4
- 5. 5 The following events are based on a true story
- 6. Demo application – ToDo Items in Notebooks 6
- 11. Mastering exceptions – Catching ALL exceptions 11
- 12. 12
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- 15. 15
- 16. 16
- 17. 17
- 18. 18
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- 24. Finding the bug in the code (1) 24
- 25. Finding the bug in the code (2) 25
- 26. Finding the bug in the code (3) 26
- 28. Why can’t it load the refence assembly? 28
- 29. Fusion log view - Fuslogvw Assembly Binding Log Viewer Set the registry keys under: HKLMSoftwareMicrosoftFusion 29
- 30. procmon 30
- 31. Breakpoints 31
- 32. Method Breakpoints If you type a method name (without class name) VS select all that matches 32
- 34. Conditional Breakpoints (OzCode) 34 invoice.Id915486 intinvoice.Id915486 int
- 37. Staying on the same thread (freezing other threads) 37
- 38. Tracepoints (VS) a.k.a Printf(…) debugging 38
- 41. Finding Tasks Deadlocks Debug –> windows –> Tasks 41
- 42. Production Time and Post-Mortem Debugging 42
- 43. 43
- 44. 44
- 46. VS Crash 46
- 47. Debugging VS 47
- 50. Dumps 50
- 51. 51
- 52. Automatic Dump Creation To enable it, set the reg key HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsWindows Error ReportingLocalDumps DumpFolder – Location for the output dumps DumpCount – Maximum amount of dumps in the folder DumpType 1 – Mini Dump 2 – Full Dump 0 – Custom Dump CustomDumpFlags – if DumpType is 0, set the dump options 52
- 53. Debugging the Dump (1) 53
- 54. Debugging the Dump (2) 54
- 55. Agenda Debugging a real-life problem Tips and Tricks Exceptions Breakpoints (JustMyCode, External Code) Debugging Multithreaded Applications Symbols Post-mortem & Production Debugging Debugging LINQ (if time allows) 57
- 57. Export 59
- 59. Give it a try https://github.com/oz-code/OzCodeDemo
- 62. Make object ID The object is later available in every watch window 64
Editor's Notes
- My name is tamir dresher Im an architect from codevalue israel and a software engineering lecturer at the ruppin academic center CodeValue is a consulting company and we are also the proud development center of OzCode the amazing debugging extension for visual studio. We have a booth here at conference, so please go and check it out, youll be amazed how you lived without it. My book Rx in action is now available at Manning early access program should be published in the next few months. And that the end of my self promotion(it never hurts right?). So what are we really here for?
- Breakpoints conditional breakpoints Comparing object while debugging Object IDs OzCode Compare Exceptions Breaking on exceptions Conditional exceptions break Debugging Multithreaded Applications Freezing debugging to the current thread detecting deadlocked tasks Using tracepoints Finding an object and seeing all object of certain type while debugging Debugging LINQ Post-mortum debugging Dumps
- Backgammon failure
- Debugging an exe
- Attaching and Debugging VS
- Taking and debugging the dump
- Breakpoints conditional breakpoints Comparing object while debugging Object IDs OzCode Compare Exceptions Breaking on exceptions Conditional exceptions break Debugging Multithreaded Applications Freezing debugging to the current thread detecting deadlocked tasks Using tracepoints Finding an object and seeing all object of certain type while debugging Debugging LINQ Post-mortum debugging Dumps
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