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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...thing to RVM that produces lots of errors, the only safe way of fixing for now is to:
sudo apt-get --purge remove ruby-rvm
sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep ...
How can I get nth element from a list?
...ing wrong with your question or the answer given, but maybe you'd like to know about the wonderful tool that is Hoogle to save yourself time in the future: With Hoogle, you can search for standard library functions that match a given signature. So, not knowing anything about !!, in your case you mig...
pip issue installing almost any library
...ll to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neither is getting the job done.
...
“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
...
Wow! Thanks so much! Didn't know about qt.conf, it should on the first page of deployment FAQ
– user2440074
Dec 18 '14 at 10:00
...
What underlies this JavaScript idiom: var self = this?
...in event handlers (especially in closures).
Edit: Note that using self is now discouraged as window.self exists and has the potential to cause errors if you are not careful.
What you call the variable doesn't particularly matter. var that = this; is fine, but there's nothing magic about the name....
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...or database interaction, unittest.TestCase for other simple test, it works now!
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What is a bus error?
...
Bus errors are rare nowadays on x86 and occur when your processor cannot even attempt the memory access requested, typically:
using a processor instruction with an address that does not satisfy its alignment requirements.
Segmentation faults...
Mockito. Verify method arguments
...s(Object argument) {
return thisObject.equals(argument);
}
}
Now using your code you can update it to read...
Object obj = getObject();
Mockeable mock= Mockito.mock(Mockeable.class);
Mockito.when(mock.mymethod(obj)).thenReturn(null);
Testeable obj = new Testeable();
obj.setMockeable(...
Django: “projects” vs “apps”
.... Simple as that. All this "project"/"app" stuff is just python packages.
Now, how are you supposed to do it? Or rather, how might I do it? Well, if you create a significant piece of reusable functionality, like say a markup editor, that's when you create a "top level app" which might contain widge...
What does a colon following a C++ constructor name do? [duplicate]
...constructed; if they have default constructors, those were already called. Now, if you assign a value to them in the body of the constructor, you are calling the copy assignment operator, which may mean releasing and reacquiring resources (e.g. memory) if the object has any.
So in the case of prim...