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How to empty/destroy a session in rails?
..._session
Here's the documentation on this method: http://api.rubyonrails.org/classes/ActionController/Base.html#M000668
Resets the session by clearing out all
the objects stored within and
initializing a new session object.
Good luck!
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How to sum up elements of a C++ vector?
... are the good ways of finding the sum of all the elements in a std::vector ?
11 Answers
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Remove scroll bar track from ScrollView in Android
... remove the scroll bar track from the right side of the scroll view. Even worse, I can't seem to be able to change the background colour of the scroll bar track.
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How to pretty print nested dictionaries?
... of ~4 in Python? I tried pretty printing with pprint() , but it did not work:
21 Answers
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Django: “projects” vs “apps”
.../"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 widgets.py, fields.py, context_processors...
Find files and tar them (with spaces)
Alright, so simple problem here. I'm working on a simple back up code. It works fine except if the files have spaces in them. This is how I'm finding files and adding them to a tar archive:
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Converting Java objects to JSON with Jackson
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I'm facing this error, how to solve with your code No serializer found for class com.liveprocessor.LPClient.LPTransaction and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEAN...
In Python script, how do I set PYTHONPATH?
...ou don't set PYTHONPATH, you add entries to sys.path. It's a list of directories that should be searched for Python packages, so you can just append your directories to that list.
sys.path.append('/path/to/whatever')
In fact, sys.path is initialized by splitting the value of PYTHONPATH on the pat...
spring scoped proxy bean
...te on the exact same 'userPreferences' object, that is the one that it was originally injected with.
This is not what you want when you inject a HTTP Session-scoped bean as a dependency into a collaborating object (typically). Rather, what we do want is a single 'userManager' object per container, ...
Difference between and
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<input type="button" /> buttons will not submit a form - they don't do anything by default. They're generally used in conjunction with JavaScript as part of an AJAX application.
<input type="submit"> buttons will submit the form they are in when the user clicks on them...