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How to delete selected text in the vi editor
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I am using PuTTY and the vi editor. If I select five lines using my mouse and I want to dele...
R data formats: RData, Rda, Rds etc
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Rda is just a short name for RData. You can just save(), load(), attach(), etc. just like you ...
What's the best way to store Phone number in Django models
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You might actually look into the internationally standardized format E.164, recommended by Twilio for example (who have a service and an API for sending SMS or phone-calls via REST requests).
This is likely to be the most universal way to store phone numbers, in particular if you have internat...
How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
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How to create default value for function argument in Clojure
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A function can have multiple signatures if the signatures differ in arity. You can use that 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 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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Javascript Equivalent to PHP Explode()
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Retrieve database or any other file from the Internal Storage using run-as
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