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How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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How do I install package.json dependencies in the current directory using npm
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edited Feb 3 '15 at 13:53
answered Dec 4 '11 at 9:59
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Detect if a NumPy array contains at least one non-numeric value?
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187
This should be faster than iterating and will work regardless of shape.
numpy.isnan(myarray)....
Where do I mark a lambda expression async?
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edited Dec 24 '12 at 6:30
answered Dec 23 '12 at 22:55
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What is the difference between Lisp-1 and Lisp-2?
I have tried to understand the difference between Lisp-1 and Lisp-2 and how this relates to Clojure but I still do not understand properly. Can anyone enlighten me?
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How to deal with IntelliJ IDEA project files under Git source control constantly changing?
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edited May 11 '17 at 9:03
answered Aug 15 '11 at 6:39
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Boolean.hashCode()
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141
1231 and 1237 are just two (sufficiently large) arbitrary prime numbers. Any other two large p...
Method to Add new or update existing item in Dictionary
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Could there be any problem if i replace Method-1 by Method-2?
No, just use map[key] = value. The two options are equivalent.
Regarding Dictionary<> vs. Hashtable: When you start Reflector, you see that the indexer setters of both classes call this.Insert(key, ...
how to get program files x86 env variable?
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179
On a 64-bit machine running in 64-bit mode:
echo %programfiles% ==> C:\Program Files...
Is there an R function for finding the index of an element in a vector?
... that is equal to x . I know that one way to do this is: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it?
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