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Difference between size_t and std::size_t
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C's size_t and C++'s std::size_t are both same.
In C, it's defined in <stddef.h> and in C++, its defined in <cstddef> whose contents are the same as C header (see the quotation below). Its defined as unsigned integer type of the result of the sizeof operator.
C Stan...
Why are trailing commas allowed in a list?
I am curious why in Python a trailing comma in a list is valid syntax, and it seems that Python simply ignores it:
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Is git good with binary files?
Is git good with binary files?
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How to get users to read error messages?
...enlightening error messages, but just click on the first button available with a shrug of frustration.
26 Answers
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Difference between Covariance & Contra-variance
... are properties of a mapping function that associates one member of a set with another. More specifically, a mapping can be covariant or contravariant with respect to a relation on that set.
Consider the following two subsets of the set of all C# types. First:
{ Animal,
Tiger,
Fruit,
Bana...
What is scaffolding? Is it a term for a particular platform?
Scaffolding, what is it? Is it a Rails-only thing?
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Prevent browser caching of AJAX call result
It looks like if I load dynamic content using $.get() , the result is cached in browser.
21 Answers
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How to organize a node app that uses sequelize?
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The short story
The trick in this case is not to initialize the model in the file but just to provide the necesary information for its initialization and let a centralized module take care of the models setup and instantiation.
So the steps are:
Have several Model files with...
Insert picture into Excel cell [closed]
I'm tying to generate a report with pictures, but I cannot get the pictures into a single cell. I can get the pictures to "float" around my worksheet, but I need to put them into a cell. How can I do this?
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What does “while True” mean in Python?
... always evaluates to boolean "true" and thus executes the loop body indefinitely. It's an idiom that you'll just get used to eventually! Most languages you're likely to encounter have equivalent idioms.
Note that most languages usually have some mechanism for breaking out of the loop early. In the ...