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Difference between staticmethod and classmethod
What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ?
27 Answers
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What's the best practice for primary keys in tables?
...signing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
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What is the difference between List (of T) and Collection(of T)?
I've seen them used in a lot of the same ways, and I am worried I'm about to go down a path in design that is irreversible if I don't understand this better. Also, I am using .NET.
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How do I provide a username and password when running “git clone git@remote.git”?
I know how to provide a username and password to an HTTPS request like this:
10 Answers
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Java: Get month Integer from Date
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java.time (Java 8)
You can also use the java.time package in Java 8 and convert your java.util.Date object to a java.time.LocalDate object and then just use the getMonthValue() method.
Date date = new Date();
LocalDate localDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate()...
Writing Unicode text to a text file?
I'm pulling data out of a Google doc, processing it, and writing it to a file (that eventually I will paste into a Wordpress page).
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What is duck typing?
I came across the term duck typing while reading random topics on software online and did not completely understand it.
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How do RVM and rbenv actually work?
I am interested in how RVM and rbenv actually work.
5 Answers
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What is difference between instantiating an object using new vs. without
...lock of memory by calling either ::operator new() or Time::operator new(), and subsequently calls Time::Time() with this set to an address within that memory block (and also returned as the result of new), which is then stored in t. As you know, this is generally done on the heap (by default) and re...
Why aren't Java Collections remove methods generic?
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Josh Bloch and Bill Pugh refer to this issue in Java Puzzlers IV: The
Phantom Reference Menace, Attack of the Clone, and Revenge of The
Shift.
Josh Bloch says (6:41) that they attempted to generify the get method
of Map, remove meth...