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Simple calculations for working with lat/lon and km distance?
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The approximate conversions are:
Latitude: 1 deg = 110.574 km
Longitude: 1 deg = 111.320*cos(latitude) km
This doesn't fully correct for the Earth's polar flattening - for that you'd probably want a more complicated formula using the WGS84 reference ellipsoid (the model used ...
Install a .NET windows service without InstallUtil.exe
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answered Oct 31 '08 at 21:49
Marc Gravell♦Marc Gravell
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Visual Studio SP1 error: silverlight_sdk.msi is unavailable
I'm trying to install the SP1 for Visual Studio 2010. I first installed the beta and it worked fine. Then I used the web platform installer to install the SQL CE Compact 4, which I assume installed the full SP1 after (this installation took over 12 hours, so I canceled it). The web platform installe...
Run a single Maven plugin execution?
... parameter, e.g., org.apache.maven.plugins:maven-remote-resources-plugin:1.0:process@executionId.
So, as long as you give your execution an id:
mvn sql:execute@specific-execution-id
uses the execution configured in your pom.
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How to define a function in ghci across multiple lines?
... line and it works (guards do not care about spacing)
let abs n | n >= 0 = n | otherwise = -n
If you wanted to write your function with multiple definitions that pattern match on the arguments, like this:
fact 0 = 1
fact n = n * fact (n-1)
Then you would use braces with semicolons separatin...
Regular expression for first and last name
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202
Don't forget about names like:
Mathias d'Arras
Martin Luther King, Jr.
Hector Sausage-Hausen
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How to get the last N rows of a pandas DataFrame?
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408
Don't forget DataFrame.tail! e.g. df1.tail(10)
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How to add target=“_blank” to JavaScript window.location?
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twinlakestwinlakes
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Pry: show me the stack
...play the callstack (with show-stack), and so on:
see here:
Frame number: 0/64
From: /Users/johnmair/ruby/rails_projects/personal_site/app/controllers/posts_controller.rb @ line 7 PostsController#index:
5: def index
6: @posts = Post.all
=> 7: binding.pry
8: end
[1] pry(#<P...
Postgresql SELECT if string contains
... Frans van BuulFrans van Buul
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