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Life, Liberty, and
the Pursuit of APIness
The Secret to Happy Code
Dylan Beattie
@dylanbeattie
www.dylanbeattie.net
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@dylanbeattie
• Building websites since 1992
• Microsoft MVP
• London .NET User Group
• www.dylanbeattie.net
• [email protected]
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http://starnewshq.deviantart.com/art/Comedy-and-Tragedy-325546823
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http://www.mornota.com/beyninizi-gelistirin/
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EXPERIENCE EXPERIENCE
EXPERTISE
EXPERTISE
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EXPERIENCE
EXPERTISE
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How To Draw An Owl:
1: draw an oval for the head
2: draw an oval for the body
3: draw the rest of the owl
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EXPERIENCE
EXPERTISE
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Server Error in '/' Application
Looks like you forgot to register the http module
Castle.MicroKernel.Lifestyle.PerWebRequestLifestyleModule. To fix this add to the
section on your web.config
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Do you
believe in…
the
users?
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(image from @DrunkVS via Twitter)
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By MBlairMartin - Own work, CC BY-SA 4.0,
https://commons.wikimedia.org/w/index.php?curid=50244059
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A>
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A>hello
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A>hello
Bad command or file name
A>
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A>hello
Bad command or file name
A>menu
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A>hello
Bad command or file name
A>menu
Bad command or file name
A>
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A>hello
Bad command or file name
A>menu
Bad command or file name
A>help
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A>hello
Bad command or file name
A>menu
Bad command or file name
A>help
Bad command or file name
A>
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A>
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A>if you're happy and you know it, syntax error
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A>if you're happy and you know it, syntax error
Syntax error
A>
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A>if you're happy and you know it, syntax error
Syntax error
A>if you're happy and you know it, syntax error
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A>if you're happy and you know it, syntax error
Syntax error
A>if you're happy and you know it, syntax error
Syntax error
A>
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A>if you're happy and you know it, syntax error
Syntax error
A>if you're happy and you know it, syntax error
Syntax error
A>if you're happy and you know it and you really want to show it if
you're happy and you know it syntax error
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A>if you're happy and you know it, syntax error
Syntax error
A>if you're happy and you know it, syntax error
Syntax error
A>if you're happy and you know it and you really want to show it if
you're happy and you know it syntax error
Syntax error
A>
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Type Your Program Here
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Microsoft Edge video
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http://maxpixel.freegreatpicture.com/Heartbeat-Pulse-Healthcare-Heart-Medicine-163709
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https://www.flickr.com/photos/philliecasablanca/2070476609/in/photostream/
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Type Your Program Here
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https://practicalmotoring.com.au/car-advice/common-car-warning-lights-explained/
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Monty Python Lumberjack.
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Time
CPU Consumption
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0%
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Time
CPU Consumption
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Time
CPU Consumption
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Time
CPU Consumption
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Time
CPU Consumption
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Time
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10:00 11:00 12:00 13:00 14:00 15:00
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Time
CPU Consumption
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0%
Jan Feb Mar Apr May Jun Jul
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FATAL
ERROR
WARN
INFO
DEBUG
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FATAL
•Application is completely unresponsive
•Multiple users affected with immediate
effect
•Immediate attention. Stop what you’re
doing and look into it.
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ERROR & WARN
•They will happen.
•ERROR – one person noticed, maybe?
•WARN – nobody noticed but it’s still odd.
•Individual messages probably aren’t useful
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https://universitycompare.com/articles/worst-commuters-sit-next-tube/
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INFO
•Everything’s fine
•Startup, shutdown, cache recycle
•In a perfect world, INFO is all you’ll ever
see.
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DEBUG
http://hyperboleandahalf.blogspot.co.uk/
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http://hyperboleandahalf.blogspot.co.uk/
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log.Fatal
Log.Error
log.Warn
log.Info
log.Debug
――――― Wake_Me_Up_At_4AM_On_A_Sunday()
――――― Apologize_To_User_And_Raise_A_Ticket()
―――― Make_A_Note_In_Case_It_Happens_Again()
―――― Everything_Is_Fine_Just_Checking_In()
――――― Fill_My_C_Drive_With_Stack_Traces()
Adapted from a post by Daniel Lebrero / https://labs.ig.com/logging-level-wrong-abstra
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The Rules of Happy Code
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Oxfordian Kissuth via Wikimedia Commons : https://commons.wikimedia.org/wiki/File:Hyde_Park_sign_post.jpg
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Life, Liberty, and
the Pursuit of APIness
The Secret to Happy Code
Dylan Beattie
@dylanbeattie
www.dylanbeattie.net
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Enterprise Warp Drive
http://memory-
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Request Timed Out
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Oxfordian Kissuth via Wikimedia Commons : https://commons.wikimedia.org/wiki/File:Hyde_Park_sign_post.jpg
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