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What is an example of the Liskov Substitution Principle?
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Collect successive pairs from a stream
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Thank you! The more I study this library, the more I love it. I might finally start using streams. (StreamEx implements Iterable! Hurrah!)
– Aleksandr Dubinsky
May 30 '15 at 15:10
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Why use a ReentrantLock if one can use synchronized(this)?
... ReentrantLock also has support for configurable fairness policy, allowing more flexible thread scheduling.
The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock does not...
Should I use Java's String.format() if performance is important?
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Moreover as you don't ever get out of main JIT cannot kick in.
– Jan Zyka
Jun 20 '14 at 8:13
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Search and replace in bash using regular expressions
...AR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g'
This may allow you to do more creative matches... For example, in the snip above, the numeric replacement would not be used unless there was a match on the first expression (due to lazy and evaluation). And of course, you have the full language sup...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
...5 MB)
TOTAL: 25 MB vs. 106 MB - and that's just on a single table!
Some more food for thought - excellent stuff by Kimberly Tripp - read it, read it again, digest it! It's the SQL Server indexing gospel, really.
GUIDs as PRIMARY KEY and/or clustered key
The clustered index debate continues
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What is the difference between a URI, a URL and a URN?
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Static way to get 'Context' in Android?
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Use of Application.DoEvents()
...op, it is still executing the loop. That's bad. Very, very bad.
There's more: The user could click the same menu item or button that causes the same loop to get started. Now you have two nested loops executing DoEvents(), the previous loop is suspended and the new loop is starting from scratch. ...
Can enums be subclassed to add new elements?
I want to take an existing enum and add more elements to it as follows:
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