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What do I return if the return type of a method is Void? (Not void!)
... if the return type of a function has to be Void?
Use return null. Void can't be instantiated and is merely a placeholder for the Class<T> type of void.
What's the point of Void?
As noted above, it's a placeholder. Void is what you'll get back if you, for example, use reflection to lo...
Python integer division yields float
...=int ? What should I do, is there a new division operator or must I always cast?
5 Answers
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How can you get the SSH return code using Paramiko?
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While you are correct about recv_exit_status, you cannot use it this way, as the code may deadlock. You have to consume the command output, while waiting for the command to finish. See Paramiko ssh die/hang with big output.
– Martin Prikryl
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Adding console.log to every function automatically
... there a way to make any function output a console.log statement when it's called by registering a global hook somewhere (that is, without modifying the actual function itself) or via some other means?
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How to tell Maven to disregard SSL errors (and trusting all certs)?
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You can disable SSL certificate checking by adding one or more of these command line parameters:
-Dmaven.wagon.http.ssl.insecure=true - enable use of relaxed SSL check for user generated certificates.
-Dmaven.wagon.http.ssl.all...
Is there a simple way to remove unused dependencies from a maven pom.xml?
... answered Oct 4 '09 at 22:59
Pascal ThiventPascal Thivent
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How to override Backbone.sync?
I'm trying out Backbone.js, and one of the things I'm trying is to make a call to a remote API, so I need to be able to override Backbone.sync, as I understand the documentation .
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CMake: Print out all accessible variables in a script
...message(STATUS "${_variableName}=${${_variableName}}")
endforeach()
This can also be embedded in a convenience function which can optionally use a regular expression to print only a subset of variables with matching names
function(dump_cmake_variables)
get_cmake_property(_variableNames VARIAB...
How does Junit @Rule work?
I want to write test cases for a bulk of code, I would like to know details of JUnit @Rule annotation feature, so that I can use it for writing test cases. Please provide some good answers or links, which give detailed description of its functionality through a simple example.
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How to query nested objects?
...veloped the habit of creating 'conditions' and 'fields' objects on which I can do stuff like conditions['some.path'] = 'value' in my business logic, then run a single query at the end: find(conditions, fields, callback);
– Ryan Wheale
May 21 '14 at 2:17
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