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How to create default value for function argument in Clojure
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171
A function can have multiple signatures if the signatures differ in arity. You can use that t...
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 ...
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...
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...
Concurrent vs serial queues in GCD
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217
A simple example: you have a block that takes a minute to execute. You add it to a queue from t...
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 to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
8 Answers
8
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Is there a difference between foreach and map?
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answered Dec 10 '08 at 2:14
madlepmadlep
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