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What do Clustered and Non clustered index actually mean?
I have a limited exposure to DB and have only used DB as an application programmer. I want to know about Clustered and Non clustered indexes .
I googled and what I found was :
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How can I determine the URL that a local Git repository was originally cloned from?
I pulled a project from GitHub a few days ago. I've since discovered that there are several forks on GitHub, and I neglected to note which one I took originally. How can I determine which of those forks I pulled?
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How do I uninstall a Windows service if the files do not exist anymore?
How do I uninstall a .NET Windows Service, if the service files does not exists anymore?
13 Answers
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Bash empty array expansion with `set -u`
I'm writing a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
It seems that many projects slowly come upon a need to do matrix math, and fall into the trap of first building some vector classes and slowly adding in functionality until they get caught building a half-assed custom linear algebra library, and depending on it.
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Why is pow(a, d, n) so much faster than a**d % n?
...r-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem:
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How to set auto increment primary key in PostgreSQL?
I have a table in PostgreSQL with 22 columns, and I want to add an auto increment primary key.
7 Answers
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how to deal with google map inside of a hidden div (Updated picture)
...a google map is inside a hidden div at first. I then show the div after i click a link but only the top left of the map shows up.
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How to do associative array/hashing in JavaScript
I need to store some statistics using JavaScript in a way like I'd do it in C#:
11 Answers
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