The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for December 27th, 2018

Polymer people discovered they need something like “wizzywid – what you see is what you deserve”

Posted by jpluimers on 2018/12/27

The 1990s are calling back: some people in the Polymer world now have realised that in order to be more productive, they need something like “wizzywid: wizzywid – what you see is what you deserve”.

It seems that the visual IDEs of the 1990s that so many from the web 2.0 era frowned upon are useful after all.

Reality check: if you write design tools for Polymer like that, then ensure they support proper refactoring. As that is the next step in the evolvement of your tool-chain.

Take a peak at IDE history, for example Delphi, Visual Basic, Visual C++, Visual Studio .NET, Blend, Visual Studio Code, JBuilder, Eclipse, NetBeans, and IntelliJ IDEA.

–jeroen

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Posted in Development, Software Development | Leave a Comment »

eventviewer – filtering on service stop/start events

Posted by jpluimers on 2018/12/27

Based on eventviewer – View Shutdown Event Tracker logs under Windows Server 2008 R2 – Server Fault « The Wiert Corner – irregular stream of stuff, I’ve made similar filters for service stop/start events.

Works on translated systems:

PowerShell
Get-EventLog System | Where-Object {$_.EventID -eq "7036"} | ft Machinename, TimeWritten, UserName, EventID, Message -AutoSize -Wrap

Or on one line:

Get-EventLog System ^| Where-Object {$_.EventID -in "6005","6006","7000","7009","7036","7040","7042","7043","7045"} ^| ft Machinename, TimeWritten, UserName, EventID, Message -AutoSize -Wrap

Note the -In operator was introduced in PowerShell 3: [WayBack]

Source: PowerShell v3 – New -in Operator | Jonathan Medd’s Blog

I’ve adapted the custom view to include all these event IDs above (note some links have disappeared moving my notes to a blog post):

  • [WayBack] 6005: The Event log service was started (indication for system startup).
  • [WayBack] 6006: The Event log service was stopped (indication for system shutdown).
  • [WayBack] 7000: The <servicename> service failed to start due to the following error:
    The service did not respond to the start or control request in a timely fashion.
  • [WayBack] 7009: A timeout was reached (30000 milliseconds) while waiting for the <servicename> service to connect.
  • [WayBack] 7036:
    • The <servicename> service entered the stopped state.
    • The <servicename> service entered the running state.
  • [WayBack] 7040: The start type of the <servicename> service was changed from demand start to auto start.
  • [WayBack] 7042: The <servicename> service was successfully sent a stop control.
  • [WayBack] 7043: The <servicename> service did not shut down properly after receiving a preshutdown control.
  • [WayBack] 7045: A service was installed in the system.

Other event IDs that might be relevant via [WayBack] Windows Server restart / shutdown history – Server Fault:

  • [WayBack] 6008: “The previous system shutdown was unexpected.” Records that the system started after it was not shut down properly.
  • [WayBack] 6009: Indicates the Windows product name, version, build number, service pack number, and operating system type detected at boot time.
  • [WayBack] 6013: Displays the uptime of the computer. There is no TechNet page for this id.
  • [WayBack] 1074: “The process X has initiated the restart / shutdown of computer on behalf of user Y for the following reason: Z.” Indicates that an application or a user initiated a restart or shutdown.
  • [WayBack] 1076: “The reason supplied by user X for the last unexpected shutdown of this computer is: Y.” Records when the first user with shutdown privileges logs on to the computer after an unexpected restart or shutdown and supplies a reason for the occurrence.
  • [WayBack] 41 (source: Microsoft-Windows-Kernel-Power)
  • [WayBack] 1001: (source: BugCheck).
  • [WayBack] 12, which is typically the first eventid to be logged after a reboot/reset etc and shows the actual “system start time”, i.e.: “The operating system started at system time ‎2017‎-‎09‎-‎19T02:46:06.582794900Z.”

A more complete list of Windows Kernel related Event IDs is at [WayBack] rootkit.com/NETEVENT.H at master · bowlofstew/rootkit.com.

Steps for the custom view:

Open Event Viewer then

  • Right click Custom Views
  • Click Create Custom View
  • Under the Filter tab
    • Keep Logged as Any time
    • Select all the Event level types (Critical, Warning, etc.)
    • Choose by source = Service Control Manager, Service Control Manager Performance Diagnostic Provider
    • Optionally; For Event ID under the Includes/Excludes Event IDs section enter 6005,6006,7000,7009,7036,7040,7042,7043,7045 for the Event ID
  • Click Ok
  • Enter a name like Shutdown Events and any description then
  • Click Ok again to complete the custom event log.

Your new custom view should show up in the list of custom views with the correct filter applied.

–jeroen

Posted in CommandLine, Development, Power User, PowerShell, PowerShell, Scripting, Software Development, Windows | Leave a Comment »

To Heap or not to Heap; That’s the Large Object Question? – CodeProject

Posted by jpluimers on 2018/12/27

Interesting discussion on an alternative to the LoH: [WayBackTo Heap or not to Heap; That’s the Large Object Question? – CodeProject.

Via: [WayBack] To Heap or not to Heap; That’s the Large Object Question?Detailed analysis of large object heap allocation impacts under .NET: “…would it be better t… – Lars Fosdal – Google+

–jeroen

 

Posted in .NET, Development, Software Development | Leave a Comment »

 
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