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

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Archive for June, 2013

Interesting series of Hak5 videos on technology stuff like security, Arduino, Linux, the Web, …

Posted by jpluimers on 2013/06/28

Watch the most interesting past episodes and Linux tips from Hak5 during your summer holiday, then make sure you follow them.

Oh, and I need to find out of there are European resellers of their shop.

–jeroen

via: Episodes | Technolust since 2005Technolust since 2005.

Posted in Uncategorized | Leave a Comment »

mutt notes

Posted by jpluimers on 2013/06/28

When the webmail doesn’t do what I want, I fall back on mutt on the Linux command line prompt.

It is an immensely strong and stable text based mail client, but – beyond the basics – has a steep learning curve.

In fact it is so stable, that the CVS repository rarely gets commits

So below a few notes that I used to clean up truckloads of mail.

  1. Read Real Programmers: Jump Start: Mutt — by hackers, for hackers. It is a very short introduction with the most powerful.
  2. Read My first mutt : Searching mail (the best article on My first mutt), and My first mutt : mutt overview. They why limit is far more useful than search, and the basic UI concept of mutt.
  3. The mutt documentation has a text based man page.
  4. But there is both a html manual and text manual
    (the devel doc branch has both html manual and text manual too).
  5. A lot of actions in mutt depends on patterns which are based on regular expressions.

For me the most powerful combination of steps is this:

  1. Limit the message view to a search pattern of messages you are looking for
  2. Tag the (groups of) messages you want to operate on
  3. Use the semicolon tag-prefix command to operate only on the tagged messages

A few more details are below. Read the rest of this entry »

Posted in *nix, Cygwin, Linux, Power User | 1 Comment »

A constant source of confusion: Simplicity

Posted by jpluimers on 2013/06/27

Once every while you come across a post that is so good, you add another feed to your RSS list. This time I added Su-Shee’s posts,

Quote from: A constant source of confusion: Simplicity.

what is it really about all this simplicity stuff

It is a post about IT development. Teams. Platforms. Tools. Frameworks. Etc.

Striking a balance to keep things simple enough to be manageable is always key and her examples are just great!

–jeroen

via: A constant source of confusion: Simplicity.

Posted in Development, LifeHacker, Opinions, Power User, Software Development | Leave a Comment »

PowerShell: fixing script signing errors even after you had “Set-ExecutionPolicy RemoteSigned”

Posted by jpluimers on 2013/06/27

Once every while PowerShelll users get an error like this:

PS C:\bin> . .\DownloadedScript.ps1
. : File C:\bin\DownloadedScript.ps1 cannot be loaded.
The file C:\bin\DownloadedScript.ps1 is not digitally signed.
The script will not execute on the system. For more information, see about_Execution_Policies at
http://go.microsoft.com/fwlink/?LinkID=135170.
At line:1 char:3
+ . .\DownloadedScript.ps1
+ ~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : SecurityError: (:) [], PSSecurityException
+ FullyQualifiedErrorId : UnauthorizedAccess
PS C:\bin>

I recently had it too, but was surprised this happened as I took the steps in my previous blog posts on this topic: Read the rest of this entry »

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

.NET/log4net configuration: LevelMatchFilter with DenyAllFilter to discard several log levels within a range

Posted by jpluimers on 2013/06/27

log4net configuration can be a tad intimidating at first.

When you do not want to log all levels, and the levels you want to log are not noncontinuous, then you can combine the LevelMatchFilter with a DenyAllFilter.

The filter classes in the log4net do not provide much help on this, but the filters section in the log4net manual is better.

This StackOverflow question has a very nice answer explaining it: Discarding several log levels within a range with log4net.

–jeroen

via: Discarding several log levels within a range with log4net – Stack Overflow.

Posted in .NET, .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, C#, C# 2.0, C# 3.0, C# 4.0, C# 5.0, Development, Software Development | Leave a Comment »

 
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