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How to avoid reinstalling packages when building Docker image for Python projects?
... 1.2s
=> => writing image sha256:d66a2720e81530029bf1c2cb98fb3aee0cffc2f4ea2aa2a0760a30fb718d7f83 0.0s
=> => naming to docker.io/library/test ...
What is the difference between Bower and npm?
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Dan DascalescuDan Dascalescu
98.2k3636 gold badges263263 silver badges333333 bronze badges
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What does if __name__ == “__main__”: do?
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Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
answered Jan 7 '09 at 4:14
Harley Holco...
Compile time string hashing
...xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
...
};
template<size_t idx>
constexpr uint32_t crc32(const char * str)
{
return (crc32<idx-1>(str) >> 8) ^ crc_table[(crc32<idx-1>(str) ^ str[idx]) &...
Best practices for API versioning? [closed]
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98
votes
We found it practical and useful to put the version in the URL. It makes it...
Rotated elements in CSS that affect their parent's height correctly
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Mark AmeryMark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
...s?
We still have the terms lvalue and rvalue that are compatible with C++98. We just divided the rvalues into two subgroups, xvalues and prvalues, and we refer to lvalues and xvalues as glvalues. Xvalues are a new kind of value category for unnamed rvalue references. Every expression is one of the...
What is a CSRF token ? What is its importance and how does it work?
...method="POST">
<input type="hidden" name="csrf-token" value="nc98P987bcpncYhoadjoiydc9ajDlcn">
<input type="text" name="tweet">
<input type="submit">
</form>
When the user submits the form, the server simply has to compare the value of the post...
Why is auto_ptr being deprecated?
...er copy. So auto_ptr actually does work with the modern sort. But the C++98/03 sort is just an example algorithm here: Any generic algorithm (std-supplied or user-written) that assumes that copy syntax has copy semantics will likely have a run-time error if used with auto_ptr, because auto_ptr si...
Undefined behavior and sequence points
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C++98 and C++03
This answer is for the older versions of the C++ standard. The C++11 and C++14 versions of the standard do not formally contain 'sequence points'; operations are 'sequenced before' or 'unsequenced' or 'indeterm...