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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
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121
To put it simply, iterators keep state, traversables don't.
A Traversable has one abstract me...
Can an enum class be converted to the underlying type?
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180
I think you can use std::underlying_type to know the underlying type, and then use cast:
#inc...
Node.js + Express: Routes vs controller
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129
One of the cool things about Express (and Node in general) is it doesn't push a lot of opinion...
Do Git tags only apply to the current branch?
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158
If you create a tag by e.g.
git tag v1.0
the tag will refer to the most recent commit of th...
Making text background transparent but not text itself
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170
Don't use opacity for this, set the background to an RGBA-value instead to only make the backg...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
I want to copy a CSV file to a Postgres table. There are about 100 columns in this table, so I do not want to rewrite them if I don't have to.
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Should I use static_cast or reinterpret_cast when casting a void* to whatever
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156
Use static_cast: it is the narrowest cast that exactly describes what conversion is made here....
Do I need to manually close an ifstream?
...end of a function you can always use a nested scope.
In the standard (27.8.1.5 Class template basic_ifstream), ifstream is to be implemented with a basic_filebuf member holding the actual file handle. It is held as a member so that when an ifstream object destructs, it also calls the destructor on ...
Is it safe to ignore the possibility of SHA collisions in practice?
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391
The usual answer goes thus: what is the probability that a rogue asteroid crashes on Earth withi...
What's the difference between String(value) vs value.toString()
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They are not completely the same, and actually, the String constructor called as a function (y...