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R data formats: RData, Rda, Rds etc
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196
Rda is just a short name for RData. You can just save(), load(), attach(), etc. just like you ...
Rails: Why does find(id) raise an exception in rails? [duplicate]
If there is no user with an id of 1 in the database, trying User.find(1) will raise an exception.
2 Answers
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How to delete selected text in the vi editor
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215
I am using PuTTY and the vi editor. If I select five lines using my mouse and I want to dele...
Is there a difference between foreach and map?
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answered Dec 10 '08 at 2:14
madlepmadlep
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Smart way to truncate long strings
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function truncate(str, n){
return (str.length > n) ? str.substr(0, n-1) + '…' : str;
};
If by 'more sophisticated' you mean truncating at the last word boundary of a string then you need an extra check.
First you clip the string to the desired length, next you clip the result of ...
How accurately should I store latitude and longitude?
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194
Accuracy versus decimal places at the equator
decimal degrees distance
places
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LINQ query on a DataTable
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1294
You can't query against the DataTable's Rows collection, since DataRowCollection doesn't impl...