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How to remove all rows in a numpy.ndarray that contain non-numeric values

Basically, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA "). ...
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Git submodule push

... June 2012) mentions: "git push --recurse-submodules" learned to optionally look into the histories of submodules bound to the superproject and push them out. Probably done after this patch and the --on-demand option: recurse-submodules=<check|on-demand>:: Make sure all submodule c...
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What is Double Brace initialization in Java?

...as an implicit this pointer to the surrounding outer class. Whilst not normally a problem, it can cause grief in some circumstances e.g. when serialising or garbage collecting, and it's worth being aware of this. share ...
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Spring classpath prefix difference

... SIMPLE DEFINITION The classpath*:conf/appContext.xml simply means that all appContext.xml files under conf folders in all your jars on the classpath will be picked up and joined into one big application context. In contrast, classpath:conf/appContext.xml will load only one such file... the fir...
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Browser statistics on JavaScript disabled [closed]

I am having a hard time collecting publically available statistics on the percentage of web users that browse with JavaScript disabled. ...
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How do I update a GitHub forked repository?

...he URLs of repositories - origin is one, for example.) Then you can fetch all the branches from that upstream repository, and rebase your work to continue working on the upstream version. In terms of commands that might look like: # Add the remote, call it "upstream": git remote add upstream htt...
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How do I hide .class files from the Open Resource dialog in Eclipse?

I won't want to have edit any working sets. I just want a way to, across all workspaces and projects, prevent .class files from ever showing in the Open Resource Dialog. Is there a way to do this? ...
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Use LINQ to get items in one List, that are not in another List

...rs find more readable: var result = peopleList2.Where(p => peopleList1.All(p2 => p2.ID != p.ID)); Warning: As noted in the comments, these approaches mandate an O(n*m) operation. That may be fine, but could introduce performance issues, and especially if the data set is quite large. If t...
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How can I override Bootstrap CSS styles?

...hat should bootstrap.css get an update, I'll suffer trying to re-include all my modifications. I'll sacrifice some load time for these styles, but it's negligible for the few styles I'm overriding. ...
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Thread pooling in C++11

... code, that would violate my job integrity. Edit: to terminate the pool, call the shutdown() method: XXXX::shutdown(){ { unique_lock<mutex> lock(threadpool_mutex); terminate_pool = true;} // use this flag in condition.wait condition.notify_all(); // wake up all threads. // ...