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Creating an R dataframe row-by-row
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edited Feb 18 '19 at 2:37
Neil
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answered Sep...
Select multiple records based on list of Id's with linq
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214
You can use Contains() for that. It will feel a little backwards when you're really trying to...
PHP append one array to another (not array_push or +)
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12 Answers
12
Active
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Manually raising (throwing) an exception in Python
...error: ValueError('Represents a hidden bug, do not catch this',)
Problem 2: Won't catch
And more specific catches won't catch the general exception:
def demo_no_catch():
try:
raise Exception('general exceptions not caught by specific handling')
except ValueError as e:
pri...
Convert Float to Int in Swift
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322
You can convert Float to Int in Swift like this:
var myIntValue:Int = Int(myFloatValue)
printl...
The key must be an application-specific resource id
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Robby PondRobby Pond
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
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12 Answers
12
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What is the good python3 equivalent for auto tuple unpacking in lambda?
Consider the following python2 code
8 Answers
8
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Read first N lines of a file in python
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249
Python 2
with open("datafile") as myfile:
head = [next(myfile) for x in xrange(N)]
print ...
Printing everything except the first field with awk
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92
Assigning $1 works but it will leave a leading space: awk '{first = $1; $1 = ""; print $0, first...