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Cassandra port usage - how are the ports used?
... 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 enabled)
7001 - TLS Internode communication (used if TLS enabled)
9160 - Thrift client API
9042 -...
Doing something before program exit
How can you have a function or something that will be executed before your program quits? I have a script that will be constantly running in the background, and I need it to save some data to a file before it exits. Is there a standard way of doing this?
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Read XML file into XmlDocument
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XmlDocument does not contain a definition for Load.
– Matt Clark
Nov 11 '13 at 17:09
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std::back_inserter for a std::set?
...ss it .begin():
std::set<int> s1, s2;
s1 = getAnExcitingSet();
transform(s1.begin(), s1.end(),
std::inserter(s2, s2.begin()), ExcitingUnaryFunctor());
The insert iterator will then call s2.insert(s2.begin(), x) where x is the value passed to the iterator when written to it. The s...
ApartmentState for dummies
... that COM does but .NET completely skips is providing threading guarantees for a class. A COM class can publish what kind of threading requirements it has. And the COM infrastructure makes sure those requirements are met.
This is completely absent in .NET. You can use a Queue<> object for ...
BasicHttpBinding vs WsHttpBinding vs WebHttpBinding
...ures - but compatible to just about any SOAP client out there --> great for interoperability, weak on features and security
wsHttpBinding is the full-blown binding, which supports a ton of WS-* features and standards - it has lots more security features, you can use sessionful connections, you ca...
Rails migrations: self.up and self.down versus change
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For many operations rails can guess what is the inverse operation (without problems). For example, in your case what is the reverse operation of add_column to call when you rollback? Of course it's remove_column. What is the ...
Go Unpacking Array As Arguments
So in Python and Ruby there is the splat operator (*) for unpacking an array as arguments. In Javascript there is the .apply() function. Is there a way of unpacking an array/slice as function arguments in Go? Any resources for this would be great as well!
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`if __name__ == '__main__'` equivalent in Ruby
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It's handy, though, for testing things -- you can put module tests in there and run them just from the module file without any wrapper.
– ebneter
Feb 12 '10 at 3:11
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Ruby: Merging variables in to a string
I'm looking for a better way to merge variables into a string, in Ruby.
7 Answers
7
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