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In C++, what is a virtual base class?
... Hence
D d;
d.Foo(); // no longer ambiguous
This is a mini summary. For more information, have a read of this and this. A good example is also available here.
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Does the join order matter in SQL?
... FULL) OUTER joins, yes, the order matters - and (updated) things are much more complicated.
First, outer joins are not commutative, so a LEFT JOIN b is not the same as b LEFT JOIN a
Outer joins are not associative either, so in your examples which involve both (commutativity and associativity) pr...
Split string with delimiters in C
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Compare two dates with JavaScript
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How to import multiple .csv files at once?
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What is the difference between “px”, “dip”, “dp” and “sp”?
...tion. Note: The compiler accepts both "dip" and
"dp", though "dp" is more consistent with "sp".
sp
Scale-independent Pixels - this is like the dp unit, but it is also scaled by the user's font size preference. It is recommended you
use this unit when specifying font sizes, so they ...
Create a folder if it doesn't already exist
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Using Emacs as an IDE
...out documentation lookup really pertained to code navigation. Here's some more to-the-point info:
Looking up manpages, info manuals, and Elisp documentation from within emacs
Looking up Python documentation from within Emacs.
Google searching will no doubt reveal further examples.
As the s...
Why would one use nested classes in C++?
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What are the best practices for SQLite on Android?
...ut buyer beware. I haven't tested that much.
Here's a blog post with far more detail and an example app.
Android Sqlite Locking (Updated link 6/18/2012)
Android-Database-Locking-Collisions-Example by touchlab on GitHub
Gray and I are actually wrapping up an ORM tool, based off of his Ormlite, ...