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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
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edited May 1 '13 at 4:29
mkenyon
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Why is there no tuple comprehension in Python?
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You can use a generator expression:
tuple(i for i in (1, 2, 3))
but parentheses were already taken for … generator expressions.
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What is non-blocking or asynchronous I/O in Node.js?
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322
Synchronous vs Asynchronous
Synchronous execution usually refers to code executing in sequenc...
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answered Aug 3 '12 at 3:09
MuhdMuhd
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Delete the first three rows of a dataframe in pandas
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Use iloc:
df = df.iloc[3:]
will give you a new df without the first three rows.
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How to keep keys/values in same order as declared?
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How to initialise a string from NSData in Swift
...tastring = NSString(data: fooData, encoding: NSUTF8StringEncoding)
Swift 3 or newer:
let datastring = NSString(data: fooData, encoding: String.Encoding.utf8.rawValue)
This doc explains the syntax.
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Get the week start date and week end date from week number
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3
Bear in mind that setting DATEFIRST to anything other than 7 breaks this.
– Tomalak
Aug 12 '09 at 16:...
Easiest way to compare arrays in C#
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Martin Prikryl
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answered Jul 12 '10 at 22:25
Quartermeist...