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sql primary key and index
Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed?
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How does this milw0rm heap spraying exploit work?
I usually do not have difficulty to read JavaScript code but for this one I can’t figure out the logic. The code is from an exploit that has been published 4 days ago. You can find it at milw0rm .
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What is the difference between “mvn deploy” to a local repo and “mvn install”?
My team uses an internal team maven repo that is shared from a development server using Apache. We also run the Continuum CI server on the same machine. Maven builds in Continuum are run with the "install" goal, which copies the final artifact directly into the shared directory.
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 An...
Array versus linked-list
Why would someone want to use a linked-list over an array?
34 Answers
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What is the most effective way to get the index of an iterator of an std::vector?
I'm iterating over a vector and need the index the iterator is currently pointing at. AFAIK this can be done in two ways:
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Calculate the median of a billion numbers
If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 A...
What are the differences between B trees and B+ trees?
In a b-tree you can store both keys and data in the internal and leaf nodes , but in a b+ tree you have to store the data in the leaf nodes only .
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How to determine if object is in array [duplicate]
I need to determine if an object already exists in an array in javascript.
11 Answers
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Why is a 3-way merge advantageous over a 2-way merge?
...ess error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case?
4 Answers
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