debugging tricks you wish you knew - tamir dresher
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Tamir DresherSenior Software ArchitectJ
Debugging tricks you wish you knew
Debugging is a time-travel
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• Software architect, consultant and instructor• Software Engineering Lecturer @ Ruppin Academic Center• Reactive Extensions in .NET (Manning)
@[email protected]://www.TamirDresher.com.
About Me
Agenda
BreakpointsComparing object while debuggingExceptionsDebugging Multithreaded ApplicationsPost-mortum debuggingDebugging LINQ
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Breakpoints
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Setting New Breakpoints
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Method Breakpoints
If you type a method name (without class name)VS select all that matches
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Conditional Breakpoints
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Conditional Breakpoints (OzCode)
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invoice.Id 915486 intinvoice.Id 915486 int
Comparing Instances
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Make object ID
The object is later available in every watch window
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OzCode Comapre
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Exception
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First Chance Exceptions
Breaking when thrown
OzCode makes it easier
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Predicting the future
Predict
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Multithreading
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Staying on the same thread (freezing other threads)
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Tracepoints (VS)
a.k.a Printf(…) debugging
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Tracepoints (OzCode)
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Show All Instances
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Finding Tasks Deadlocks
Debug –> windows –> Tasks
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Post-Mortem Debugging
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Automatic Dump Creation
To enable it, set the reg key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps
DumpFolder – Location for the output dumpsDumpCount – Maximum amount of dumps in the folderDumpType
1 – Mini Dump2 – Full Dump0 – Custom Dump
CustomDumpFlags – if DumpType is 0, set the dump options
Debugging using the Dump (1)
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Debugging using the Dump (2)
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Debugging *.exe Files
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LINQ
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LINQ Debugging
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Export
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Custom Expressions
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Presenter contact detailst: @tamir_dreshere: [email protected]: TamirDresher.comw: www.codevalue.net
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