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Define static method in source-file with declaration in header-file in C++

... You can't. And it makes no sense to do so, since linking the program together would cause unresolved externals to appear. – x13n Oct 8 '13 at 10:41 ...
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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()

... I think the docs explain the difference and usage of these two functions pretty well: newFixedThreadPool Creates a thread pool that reuses a fixed number of threads operating off a shared unbounded queue. At any point, at most nThreads threads will be...
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How do I tell matplotlib that I am done with a plot?

... There is a clear figure command, and it should do it for you: plt.clf() If you have multiple subplots in the same figure plt.cla() clears the current axes. share ...
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Reading/parsing Excel (xls) files with Python

...o, be warned that doing this is a real PITA. The number of caveats is huge and the documentation is lacking and annoying. I ran into many weird bugs and gotchas, some of which took many hours to figure out. UPDATE: For newer .xlsx files, the recommended library for reading and writing appears to be...
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How to run multiple Python versions on Windows

I had two versions of Python installed on my machine (versions 2.6 and 2.5). I want to run 2.6 for one project and 2.5 for another. ...
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How to list all methods for an object in Ruby?

...ons", "table_name_prefix", ... Note that methods is a method for Classes and for Class instances. Here's the methods that my User class has that are not in the ActiveRecord base class: >> User.methods - ActiveRecord::Base.methods => ["field_types", "su_pw?", "set_login_attr", "create_u...
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Query a parameter (postgresql.conf setting) like “max_connections”

Does anyone know if it's even possible (and how, if yes) to query a database server setting in PostgreSQL (9.1)? 1 Answer ...
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Injecting $state (ui-router) into $http interceptor causes circular dependency

... $injector to directly get a reference to the desired service is not ideal and could be considered an anti pattern. Emitting an event is a much more elegant and also decoupled solution. share | im...
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No visible cause for “Unexpected token ILLEGAL”

...our basic token types, it gets labelled "ILLEGAL" on most implementations, and this error is thrown. The same error is raised if, for example, you try to run a js file with a rogue @ character, a misplaced curly brace, bracket, "smart quotes", single quotes not enclosed properly (e.g. this.run('dev1...
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Android, getting resource ID from string?

...ne of my classes. It needs to use both the id that the reference points to and also it needs the string. How should I best achieve this? ...