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Why can't I overload constructors in PHP?
...meterA("foo");
$anotherObject = MyClass::makeNewWithParametersBandC("bar", 3);
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How to watch for array changes?
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173
There are a few options...
1. Override the push method
Going the quick and dirty route, you co...
Delete column from pandas DataFrame
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cs95
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answered Nov 21 '12 at 3:12
Wes McKinneyW...
How to process SIGTERM signal gracefully?
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0xc0de
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answered Jul 16 '15 at 20:55
Mayank JaiswalMayank ...
How to sort two lists (which reference each other) in the exact same way
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What's the difference between process.cwd() vs __dirname?
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edited May 22 '15 at 12:23
Mark Amery
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What integer hash function are good that accepts an integer hash key?
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Knuth's multiplicative method:
hash(i)=i*2654435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit:...
Setting the selected value on a Django forms.ChoiceField
...alue when you instantiate the form:
form = MyForm(initial={'max_number': '3'})
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Calling a function of a module by using its name (a string)
...attr(foo, 'bar')
result = method_to_call()
You could shorten lines 2 and 3 to:
result = getattr(foo, 'bar')()
if that makes more sense for your use case.
You can use getattr in this fashion on class instance bound methods, module-level methods, class methods... the list goes on.
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