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How can I check whether a numpy array is empty or not?
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http://www.scipy.org/Tentative_NumPy_Tutorial#head-6a1bc005bd80e1b19f812e1e64e0d25d50f99fe2
NumPy's main object is the homogeneous multidimensional array. In Numpy dimensions are called axes. The number of axes is rank. Numpy's ...
Workflow for statistical analysis and report writing
...ta each time you make a change to a subsequent step. Also, keeping my code compartmentalized like this means I can come back to a long forgotten project and quickly read load.R and work out what data I need to update, and then look at do.R to work out what analysis was performed.
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What is the difference between save and insert in Mongo DB?
...ur query params. If there is no such matching document, that's when upsert comes in picture.
upsert : false : Nothing happens when no such document exist
upsert : true : New doc gets created with contents equal to query params and update params
save : Doesn't allow any query-params. if _id exists ...
How to convert a string with comma-delimited items to a list in Python?
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– TristanZimmerman
May 19 '17 at 18:01
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throws Exception in finally blocks
...owever, the concept that the Exception should not be just ignored was most compactly handled by showing a log statement.
– Darron
Feb 17 '10 at 15:09
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How to flip UIImage horizontally?
... There are two problems with this answer - scale isn't 1.0 at retina competible images and for some reason UIImageOrientationUp worked while UIImageOrientationUpMirrored didn't flip it. This worked - image = [UIImage imageWithCGImage:image.CGImage scale:image.scale orientation:UIImageOrientati...
Name of this month (Date.today.month as name)
...You can use strftime:
Date.today.strftime("%B") # -> November
http://www.ruby-doc.org/stdlib-1.9.3/libdoc/date/rdoc/Date.html#strftime-method
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Last iteration of enhanced for loop in java
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edited Mar 16 '15 at 3:01
mkobit
31.3k77 gold badges124124 silver badges129129 bronze badges
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Cleaner way to update nested structures
...opy(superMode = true))
g2: Game = Game("run",Pacman(3,true))
// Using the compiler-generated location classes this gets much easier:
scala> val g3 = g1.loc.pacman.superMode set true
g3: Game = Game("run",Pacman(3,true)
So the community needs to persuade the Scala team that this effort should ...
How to remove the last character from a string?
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