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Turn a string into a valid filename?

...n has been moved to django/utils/text.py, and that file also contains a get_valid_filename function. – Denilson Sá Maia Dec 3 '13 at 21:39 ...
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Remove the legend on a matplotlib figure

....0rc4, a remove method has been added to the legend object. Usage: ax.get_legend().remove() or legend = ax.legend(...) ... legend.remove() See here for the commit where this was introduced. share | ...
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How to set Oracle's Java as the default Java in Ubuntu?

How do I change the value of JAVA_HOME in Ubuntu to point to Oracle's Java? 8 Answers ...
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pandas three-way joining multiple dataframes on columns

...ve some common column, like name in your example, I'd do the following: df_final = reduce(lambda left,right: pd.merge(left,right,on='name'), dfs) That way, your code should work with whatever number of dataframes you want to merge. Edit August 1, 2016: For those using Python 3: reduce has been m...
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What are the differences between .so and .dylib on osx?

...between shared libraries and dynamically loaded modules. Use otool -hv some_file to see the filetype of some_file. Mach-O shared libraries have the file type MH_DYLIB and carry the extension .dylib. They can be linked against with the usual static linker flags, e.g. -lfoo for libfoo.dylib. They ca...
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What is Lazy Loading?

...: ... @property def total(self): if not hasattr(self, "_total"): self._total = self.quantity \ + sum(bi.quantity for bi in self.borroweditem_set.all()) return self._total Basically, I have an Item class which represents an item in our inven...
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How do I break a string over multiple lines?

... appended to the end. http://symfony.com/doc/current/components/yaml/yaml_format.html You can use the "block chomping indicator" to eliminate the trailing line break, as follows: Key: >- This is a very long sentence that spans several lines in the YAML but which will be rendered as a st...
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Is null reference possible?

...act of dereferencing, here's the link: open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1102 – Johannes Schaub - litb Dec 6 '10 at 9:03 ...
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After submitting a POST form open a new window showing the result

... Add <form target="_blank" ...></form> or form.setAttribute("target", "_blank"); to your form's definition. share | improve this...
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Find where python is installed (if it isn't default dir)

...gt;>> sys.executable 'c:\\Python26\\python.exe' >>> sys.exec_prefix 'c:\\Python26' >>> >>> print '\n'.join(sys.path) c:\Python26\lib\site-packages\setuptools-0.6c11-py2.6.egg c:\Python26\lib\site-packages\nose-1.0.0-py2.6.egg C:\Windows\system32\python26.zip c:\Pyth...