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Python: Select subset from list based on index set
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answered Jul 5 '10 at 11:32
kennytmkennytm
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Cassandra port usage - how are the ports used?
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@Schildmeijer is largely right, however port 7001 is still used when using TLS Encrypted Internode communication
So my complete list would be for current versions of Cassandra:
7199 - JMX (was 8080 pre Cassandra 0.8.xx)
7000 - Internode communication (not used if TLS ...
Converting file size in bytes to human-readable string
...ng, floppy disks use a mixture of the two systems - their 1MB is actually 1024000 bytes.
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how to rotate a bitmap 90 degrees
There is a statement in android canvas.drawBitmap(visiblePage, 0, 0, paint);
10 Answers
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How do I scale a stubborn SVG embedded with the tag?
...dd the following attributes:
preserveAspectRatio="xMinYMin meet"
viewBox="0 0 {width} {height}"
Replace {width} and {height} with some defaults for the viewBox. I used the values from the "width" and "height" attributes of the SVG tag and it seemed to work.
Save the SVG and it should now scale a...
What is the syntax to insert one list into another list in python?
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edited Jan 8 '15 at 22:03
the Tin Man
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Sort Dictionary by keys
...ys and values, like this:
let sortedKeysAndValues = sorted(dictionary) { $0.0 < $1.0 }
println(sortedKeysAndValues) // [(A, [1, 2]), (D, [5, 6]), (Z, [3, 4])]
EDIT2: The monthly changing Swift syntax currently prefers
let sortedKeys = Array(dictionary.keys).sort(<) // ["A", "D", "Z"]
The...
How to manually install an artifact in Maven 2?
...javax.transaction \
-DartifactId=jta \
-Dpackaging=jar \
-Dversion=1.0.1B \
-Dfile=jta-1.0.1B.jar \
-DgeneratePom=true
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...look more in-depth at why Hash.new([]) doesn’t work:
h = Hash.new([])
h[0] << 'a' #=> ["a"]
h[1] << 'b' #=> ["a", "b"]
h[1] #=> ["a", "b"]
h[0].object_id == h[1].object_id #=> true
h #=> {}
We can see that our default object is being reused and mutated (t...
How to reliably open a file in the same directory as a Python script
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I always use:
__location__ = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__...