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using lodash .groupBy. how to add your own keys for grouped output?
...value();
– Erik Schierboom
Jan 20 '16 at 14:17
5
I feel like loadash should have a function that ...
Ruby replace string with captured regex pattern
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6 Answers
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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.
E...
How to avoid .pyc files?
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From "What’s New in Python 2.6 - Interpreter Changes":
Python can now be prevented from
writing .pyc or .pyo files by
supplying the -B switch to the Python
interpreter, or by setting the
PYTHONDONTWRITEBYTECODE environment
variable before r...
What is the best way to give a C# auto-property an initial value?
...properties an initial value, you have to do it in a constructor.
Since C# 6.0, you can specify initial value in-line. The syntax is:
public int X { get; set; } = x; // C# 6 or higher
DefaultValueAttribute is intended to be used by the VS designer (or any other consumer) to specify a default valu...
Extending the User model with custom fields in Django
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The least painful and indeed Django-recommended way of doing this is through a OneToOneField(Us...
How can I access “static” class variables within class methods in Python?
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169
Instead of bar use self.bar or Foo.bar. Assigning to Foo.bar will create a static variable, and...
iOS: How to store username/password within an app?
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Filip RadelicFilip Radelic
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machine learning libraries in C# [closed]
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
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answered Jun 12 '11 at 4:26
KeverwKeverw
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