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What is the >>>= operator in C?
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The first thing I notice is that we are using the ternary operator from the use of ?. So the subexpression:
0xFULL ? '\0' : -1
is saying "if 0xFULL is non-zero, return '\0', otherwise -1. 0xFULL is a hexadecimal literal with the unsigned long-long suffix - meaning it's a hexadecimal liter...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
... this specific line of code. By precomputing upper-lower my profiling went from 25% time of this function to less than 2%! Bottleneck is now addition and subtraction operations, but I think it might be good enough now :)
– jjxtra
Jun 13 '13 at 19:54
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Regexp Java for password validation
...e back end that will actually use the password.
I'll start with the regex from the accepted answer:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
First of all, since Java supports \A and \z I prefer to use those to make sure the entire string is validated, independently of...
How can I plot separate Pandas DataFrames as subplots?
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You can see e.gs. in the documentation demonstrating joris answer. Also from the documentation, you could also set subplots=True and layout=(,) within the pandas plot function:
df.plot(subplots=True, layout=(1,2))
You could also use fig.add_subplot() which takes subplot grid parameters such ...
Why doesn't Java offer operator overloading?
Coming from C++ to Java, the obvious unanswered question is why didn't Java include operator overloading?
16 Answers
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
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From Wikipedia:
In Objective-C, for example, both the
generic Object and NSObject (in
Cocoa/OpenStep) provide the method
isMemberOfClass: which returns true if
the argument to the method is an
instance of the sp...
Go naming conventions for const
...md5.BlockSize
os.O_RDONLY is an exception because it was borrowed directly from POSIX.
os.PathSeparator
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assertEquals vs. assertEqual in python
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A 3.3 update: From 26.3.7.1.1. Deprecated aliases :
For historical reasons, some of the TestCase methods had one or more aliases that are now deprecated. The following table lists the correct names along with their deprecated aliases:
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Is it possible to have nested templates in Go using the standard library?
...hon runtime. TBC what I mean is how do I have a bunch of templates inherit from a base templates, just filing in blocks of the base templates, like Jinja/django-templates does. Is it possible using just html/template in the standard library.
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How do I check which version of NumPy I'm using?
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From the command line, you can simply issue:
python -c "import numpy; print(numpy.version.version)"
Or:
python -c "import numpy; print(numpy.__version__)"
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