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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...
How can I get a count of the total number of digits in a number?
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16 Answers
16
Active
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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...
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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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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