Bill Sempf

Husband. Father. Pentester. Secure software composer. Brewer. Lockpicker. Ninja. Insurrectionist. Lumberjack. All words that have been used to describe me recently. I help people write more secure software.

2025
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2024
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2022
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2021
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2020
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- October (3)
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- April (3)
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2019
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- September (3)
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- July (4)
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- May (2)
- April (4)
- March (6)
- February (3)
- January (3)
2018
- December (5)
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- October (3)
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- August (4)
- July (6)
- June (5)
- May (8)
- April (7)
- March (2)
- January (1)
2017
- December (1)
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- October (1)
- September (2)
- June (2)
2016
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2015
- December (6)
- September (2)
- August (1)
- July (1)
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2014
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- July (1)
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- January (3)
2013
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- November (1)
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- May (1)
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- March (2)
- January (1)
2012
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- July (6)
- June (1)
- May (2)
- April (1)
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- January (1)
2011
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- October (4)
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2010
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- September (6)
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- June (5)
- May (1)
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- January (4)
2009
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- October (4)
- September (4)
- August (2)
- July (3)
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- May (2)
- March (1)
- February (4)
2008
- November (2)
- October (1)
- August (1)
- July (1)
- June (2)
- May (2)
- April (2)
- February (2)
- January (1)
2007
- September (1)
- July (6)
- June (4)
2006
- November (3)
- October (1)
- June (2)
- May (2)
- April (2)
- March (1)
2005
- September (1)
- August (2)

Mastodon

Android development … in Windows

Sempf's Laws

How you know you were a geek in the eighties

Describing one-to-many relationships in M

CodeMash v2.0.1.0. Burndown

Christmas came (a day) early.

Get started modeling in ‘M’

Using the Entity Framework POCO Adapter

Random thoughts about M

VB6, VB.NET and dynamic typing

Blocking social networking at the firewall

Syncing podcasts to a cheap MP3 player