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Ruby send vs __send__
I understand the concept of som>me m>_instance.send but I'm trying to figure out why you can call this both ways. The Ruby Koans imply that there is som>me m> reason beyond providing lots of different ways to do the sam>me m> thing. Here are the two examples of usage:
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Resize image proportionally with MaxHeight and MaxWidth constraints
Using System.Drawing.Image .
3 Answers
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How can I obtain the elem>me m>nt-wise logical NOT of a pandas Series?
... False
1 False
2 True
3 False
dtype: bool
Using Python2.7, NumPy 1.8.0, Pandas 0.13.1:
In [119]: s = pd.Series([True, True, False, True]*10000)
In [10]: %tim>me m>it np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
In [11]: %tim>me m>it ~s
10000 loops, best of 3: 73.5 µs per loop
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How do I pull files from remote without overwriting local files?
I am trying to set up a new git repo to a pre-existing remote repo.
3 Answers
3
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How to pass command line argum>me m>nts to a shell alias? [duplicate]
How do I pass the command line argum>me m>nts to an alias? Here is a sample:
11 Answers
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Floating point vs integer calculations on modern hardware
I am doing som>me m> performance critical work in C++, and we are currently using integer calculations for problems that are inherently floating point because "its faster". This causes a whole lot of annoying problems and adds a lot of annoying code.
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What is the difference between persist() and m>me m>rge() in JPA and Hibernate?
What is the difference between persist() and m>me m>rge() in Hibernate?
4 Answers
4
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What is the difference between '>' and a space in CSS selectors?
...nly select B that are direct children to A (that is, there are no other elem>me m>nts inbetween).
A B will select any B that are inside A, even if there are other elem>me m>nts between them.
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Create Pandas DataFram>me m> from a string
In order to test som>me m> functionality I would like to create a DataFram>me m> from a string. Let's say my test data looks like:
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Does Redis persist data?
I understand that Redis serves all data from m>me m>mory, but does it persist as well across server reboot so that when the server reboots it reads into m>me m>mory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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