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Case in Select Statement
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NuNn DaDdYNuNn DaDdY
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add a com...
Find a Git branch containing changes to a given file
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4 Answers
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What kind of virtual machine is BEAM (the Erlang VM)?
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Ilya Vassilevsky
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answered May 27 '13 at 22:44
rvirdingrvirding
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
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@Steve314: It doesn't return anything which is why I've used comma operator, to ensure that the type of the whole expression (print_fibs(), 0) is int. Here is Online Demo.
– Nawaz
Jul 8 '13 at 1...
What does the slash mean in help() output?
What does the / mean in Python 3.4's help output for range before the closing parenthesis?
3 Answers
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
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I'll try to somewhat follow the example from Agner:
Assume each set has 4 lines, each holding 64 bytes. We first attempt to read the address 0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of these belong to the same set. Before read...
List all svn:externals recursively?
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144
Do the following in the root of your working copy:
svn propget svn:externals -R
As discussed...
Python: fastest way to create a list of n lists
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Sven MarnachSven Marnach
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
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(source: springsource.com)
and: http://blog.springsource.org/2011/04/01/routing-topologies-for-performance-and-scalability-with-rabbitmq/
Finally, in regards to redis, yes, it can be used as a message broker, and can do well. However, Rabbitmq has more message queuing features than redis, a...
Replacing NAs with latest non-NA value
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164
You probably want to use the na.locf() function from the zoo package to carry the last observati...