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How to change a table name using an SQL query?
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answered May 20 '09 at 8:21
David MDavid M
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
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200
In version 1.9.0.1:
1: Major revision (new UI, lots of new features, conceptual change, etc....
Java time-based map/cache with expiring keys [closed]
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}
});
Update:
As of guava 10.0 (released September 28, 2011) many of these MapMaker methods have been deprecated in favour of the new CacheBuilder:
LoadingCache<Key, Graph> graphs = CacheBuilder.newBuilder()
.maximumSize(10000)
.expireAfterWrite(10, TimeUnit.MINUTE...
When to use virtual destructors?
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answered Jan 20 '09 at 13:04
Luc TourailleLuc Touraille
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How to list only top level directories in Python?
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207
os.walk
Use os.walk with next item function:
next(os.walk('.'))[1]
For Python <=2.5 use...
git log of a single revision
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answered Nov 2 '10 at 21:20
Michał TrybusMichał Trybus
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...editor).
These instructions may work for SQL Developer 3.2.09.23 to 4.1.3.20.
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How can you determine a point is between two other points on a line segment?
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warning about too many open figures
...fix, ax = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until explicitly closed and may consume too much memory.
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What is the runtime performance cost of a Docker container?
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An excellent 2014 IBM research paper “An Updated Performance Comparison of Virtual Machines and Linux Containers” by Felter et al. provides a comparison between bare metal, KVM, and Docker containers. The general result is: Docker is...