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CROSS JOIN vs INNER JOIN in SQL
...IN returns the Cartesian product of rows from tables in the join. In other words, it will produce rows which combine each row from the first table with each row from the second table.
Inner join
[...] The result of the join can be defined as the outcome of first taking the Cartesian pr...
What is the meaning of the term arena in relation to memory?
...g concept. In one of the later chapters, the author makes heavy use of the word arena , but never defines it. I've searched for the meaning of the word and how it relates to memory, and found nothing. Here are a few contexts in which the author uses the term:
...
In which order should floats be added to get the most precise result?
...), -ffast-math is reasonable to use. Thus, I'd like to ammend my strongly worded "banned" comment.
– Chris A.
Jul 15 '11 at 16:48
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What do “branch”, “tag” and “trunk” mean in Subversion repositories?
I've seen these words a lot around Subversion (and I guess general repository) discussions.
I have been using SVN for my projects for the last few years, but I've never grasped the complete concept of these directories.
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Explain how finding cycle start node in cycle linked list work?
...t http://en.wikipedia.org/wiki/Cycle_detection#Tortoise_and_hare in my own words.
How it works
Let's have a tortoise and a hare (name of the pointers) pointing to the beginning of the list with a cycle, as in the diagram above.
Let's hypothesize that if we move tortoise 1 step at a time, and h...
Explicitly calling return in a function or not
...eats (even if scaled up) makes just a very small difference, which in real word with real data and real algorithm could not be counted or make your script run faster.
Is it better without calling return?
Return is good tool for clearly designing "leaves" of code where the routine should end, jump...
Constant Amortized Time
... is O(N). (assuming N is total count of money of previous money)
In other words, it was easy till N, only 1 operation, but when we need to move to a bigger room, we did N operations. So, in other words, if we average out, it is 1 insert in the begin, and 1 more move while moving to another room.
To...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...using. These methods are always very clearly labeled; they start with the words Begin and End. As in Stream.BeginRead, Socket.BeginConnect, WebRequest.BeginGetResponse, and so on.
These methods do use the ThreadPool, but they use IOCPs, which do not interfere with ASP.NET requests. They are a sp...
Is recursion a feature in and of itself?
...the result of that instead
Perhaps you can think of slightly less clunky wording for the latter, but I think you'll always find that the first one is going to be a more accurate description, conceptually, of what you are actually trying to do. This isn't to say recursion is always less readable. F...
File name? Path name? Base name? Naming standard for pieces of a path
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For a long time I've been using the word "pathname" to mean the entire absolute path including the full filename. Your answer, others here, and resources elsewhere have changed my mind about that, and now i'll use the word "fullpath" for this, "path" for the lo...