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Fundamental difference between Hashing and Encryption algorithms
... hash function such as MD5 or SHA1/2/256/512. The point is that there's a one-way mapping going on. It's always a many:1 mapping (meaning there will always be collisions) since every function produces a smaller output than it's capable of inputting (If you feed every possible 1mb file into MD5, yo...
What is the JUnit XML format specification that Hudson supports?
...es>
Some of these items can occur multiple times:
There can only be one testsuites element, since that’s how XML works, but there can be multiple testsuite elements within the testsuites element.
Each properties element can have multiple property children.
Each testsuite element can have mu...
What is “point free” style (in Functional Programming)?
...ome up with new names for variables/arguments when I'm programming. That's one big reason I love point-free style!
– Martijn
Jun 3 '09 at 13:46
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jQuery OR Selector?
... noted this isn't really an 'or' selector, more like multiple selectors in one.
– alex
Feb 15 '10 at 3:57
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Update multiple rows in same query using PostgreSQL
I'm looking to update multiple rows in PostgreSQL in one statement. Is there a way to do something like the following?
6 An...
Dynamic variable names in Bash
... arrays; as such this was a life saver. ${!...} not easy to google on that one. I assume it just expands a var name.
– Neil McGill
Jan 15 '15 at 22:37
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Running a command as Administrator using PowerShell?
... The only syntax that worked for me is in the original post, not the one by G.Lombard nor anjdreas
– Nicolas Mommaerts
Jan 22 '15 at 11:18
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What is the difference between a symbolic link and a hard link?
Recently I was asked this during a job interview. I was honest and said I knew how a symbolic link behaves and how to create one, but do not understand the use of a hard link and how it differs from a symbolic one.
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JSF backing bean structure (best practices)
...Bean: Normally session or application scope. This type of bean "supports" one or more views in the "View" concern of the MVC design pattern. The typical use case is supplying an ArrayList to JSF h:selectOneMenu drop-down lists that appear in more than one JSF view. If the data in the dropdown lists...
How to convert a byte array to a hex string in Java?
...so useful they really should be on your class path by default, and this is one of them.
– corsiKa
Aug 21 '13 at 15:36
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