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How to change the output color of echo in Linux
...e man 1 tput
See man 5 terminfo for the complete list of commands and more details on these options. (The corresponding tput command is listed in the Cap-name column of the huge table that starts at line 81.)
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Why is there no Constant feature in Java?
...mutable components. (by making defensive copies of the objects)
For more details I highly recommend picking up a copy of the book.
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How do I declare a 2d array in C++ using new?
..., I sort of sketched a solution without prescribing a particular one. More detail might look like: class Matrix { int* array; int m_width; public: Matrix( int w, int h ) : m_width( w ), array( new int[ w * h ] ) {} ~Matrix() { delete[] array; } int at( int x, int y ) const { return array[ index( x, ...
What is the meaning and difference between subject, user and principal?
...le or other unique identifier. When we get to the level of implementation details, principals are the unique keys we use in access control lists. They may represent human users, automation, applications, connections, etc.
User - A subset of principal usually referring to a human operator. The dis...
What is the most robust way to force a UIView to redraw?
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I commented below on your answer with more details. Trying to force the drawing system to run out of order by calling methods the documentation explicitly says not to call is not robust. At best it is undefined behavior. Most likely it will degrade performance and dra...
When to use static classes in C# [duplicate]
...and conciseness. I would recommend this one plus Mark Rasmussen's for more detail, to anyone on this topic!
– oldcoder77
Jun 26 '17 at 0:52
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How can I install pip on Windows?
...ess of architecture (32-bit or 64-bit).
The installation instructions are detailed here and involve:
To install or upgrade pip, securely download get-pip.py.
Then run the following (which may require administrator access):
python get-pip.py
To upgrade an existing setuptools (or dist...
Why are quaternions used for rotations?
...o far beyond what's taught in normal intro classes, so I won't go into any detail). It turns out that quaternions don't have this nice behavior, and so they aren't useful, and vectors/matrices do, so we use them.
Well, I am a physicist, too. And there are some situations where quaternions simply r...
Benefits of inline functions in C++?
...l, the smart ones anyway). The people who wrote them tend to have far more detailed knowledge of the underlying architectures.
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Is a view faster than a simple query?
...ly certain that SQL Server uses some variant of a b-tree, I don't know the details. Nonetheless, the point holds.
Update 3: The question has come up about whether an Indexed View just uses an index placed on the underlying table. That is, to paraphrase: "an indexed view is just the equivalent of ...