Tag: debugging

All the articles with the tag "debugging".

• How to debug JavaScript to find code which modifies your DOM

  29 Nov, 2015

  Using Object.defineProperty to intercept input value assignments and trigger a debugger breakpoint on DOM mutation.

• git bisect - first time usage impression

  7 Mar, 2015

  First hands-on experience with git bisect to locate a regression in an ASP.NET WebForms GridView rendering bug.

• Debugging weird focus behavior in browser

  13 Feb, 2015

  Technique for debugging unexpected focus changes by monkey-patching HTMLElement.prototype.focus with a debugger breakpoint.

• sqlcmd - Get real sql error line number

  6 Jan, 2015

  A PowerShell wrapper for sqlcmd that maps batch-relative error line numbers back to the real script line.

• Write-Error vs error tracing

  26 Dec, 2014

  PowerShell Write-Error always reports line 1 instead of the actual error location, with no clean workaround found.

• PowerShell $ErrorActionPreference = "Stop" vs error tracing

  25 Dec, 2014

  Why ErrorActionPreference Stop hides the true error line number and how trap { throw $Error[0] } fixes it.

• PowerShell Start-Job WTF

  21 Jun, 2014

  Troubleshoots Start-Job scope issues with PSScriptRoot and shows how to invoke a script path asynchronously using ScriptBlock.Create.

• PowerShell Start-Process WTF

  20 Jun, 2014

  Documents a known PowerShell bug where Start-Process -PassThru does not expose ExitCode, with a workaround using Process.Start.

• PowerShell .NET property access swallows exceptions

  19 Jun, 2014

  Demonstrates that PowerShell silently returns null when a .NET property getter throws an exception, and how to avoid it.

• The best debugging technique - inverse breakpoint

  2 Jun, 2014

  Using Debugger.Launch and Debugger.Break in C# code to attach a debugger to hard-to-reach processes like Visual Studio plugins.