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Catching error codes in a shell pipe
...end to a 4-part or N-part pipeline.
Simple experimentation with 'set -e' didn't help.
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How to determine when Fragment becomes visible in ViewPager
...n Fragment becomes visible in ViewPager
You can do the following by overriding setUserVisibleHint in your Fragment:
public class MyFragment extends Fragment {
@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
if ...
Save classifier to disk in scikit-learn
...ckle
# save the classifier
with open('my_dumped_classifier.pkl', 'wb') as fid:
cPickle.dump(gnb, fid)
# load it again
with open('my_dumped_classifier.pkl', 'rb') as fid:
gnb_loaded = cPickle.load(fid)
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How can I make my own event in C#?
... will contain information about the triggered event.
public delegate void MyEventHandler(object source, MyEventArgs e);
//This is a class which describes the event to the class that recieves it.
//An EventArgs class must always derive from System.EventArgs.
public class MyEventArgs ...
How is “=default” different from “{}” for default constructor and destructor?
...y posted this as a question only about destructors, but now I'm adding consideration of the default constructor. Here's the original question:
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What's the difference between a catalog and a schema in a relational database?
...sical storage structures, as well as much other information, to help it decide how to implement user requests. Likewise, the security subsystem uses catalog information about users and security constraints to grant or deny such requests in the first place.
An Introduction to Database Systems, 7th ...
What is “thread local storage” in Python, and why do I need it?
...wing sentence please? "If you want to atomically modify anything that you didn't just create in this very same thread, and did not store anywhere another thread can get at it, you have to protect it by a lock."
– changyuheng
May 11 '18 at 20:35
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Preserving signatures of decorated functions
...odato: functools.wraps() already preserves signatures in Python 3.4+ (as said in the answer). Do you mean setting wrapper.__signature__ helps on earlier versions? (which versions have you tested?)
– jfs
Jan 5 '16 at 3:02
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Can I set max_retries for requests.request?
...er a connection is made are by default not handled as these could lead to side-effects).
Old answer, predating the release of requests 1.2.1:
The requests library doesn't really make this configurable, nor does it intend to (see this pull request). Currently (requests 1.1), the retries count is ...
How do I set up a basic Ruby project?
...d executables go in bin
When in doubt, just look at how other gems are laid out.
Further information:
You should add rspec as a development dependency in your gemspec to make things easier for other developers
Edit my_lib.gemspec, adding gem.add_development_dependency 'rspec' and gem.add_dev...