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Rotating a two-dimensional array in Python
...wo-dimensional array came up. Searching for the optimal solution I found this impressive one-liner that does the job:
7 Ans...
UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
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An unmodifiable map may still change. It is only a view on a modifiable map, and changes in the backing map will be visible through the unmodifiable map. The unmodifiable map only prevents modifications for those who only have the reference to the unmodifiable view:...
PHP - Check if two arrays are equal
...d of the same types.
See Array Operators.
EDIT
The inequality operator is != while the non-identity operator is !== to match the equality
operator == and the identity operator ===.
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Python JSON serialize a Decimal object
I have a Decimal('3.9') as part of an object, and wish to encode this to a JSON string which should look like {'x': 3.9} . I don't care about precision on the client side, so a float is fine.
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List Git aliases
How do I print a list of my git aliases, i.e., something analogous to the bash alias command?
16 Answers
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What does gcc's ffast-math actually do?
...es outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would change if the flag was on or off?
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Is there a way to word-wrap long words in a div?
...now Internet Explorer has a word-wrap style, but I'd like to know if there is a cross-browser method of doing so to text in a div.
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How to round to 2 decimals with Python?
I am getting a lot of decimals in the output of this code (Fahrenheit to Celsius converter).
16 Answers
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JAXB creating context and marshallers cost
The question is a bit theoretical, what is the cost of creating JAXB context, marshaller and unmarshaller?
8 Answers
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