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Adding an arbitrary line to a matplotlib plot in ipython notebook

...e taken in account in the legend by adding a label argument starting with "_". Ex: plt.plot([70, 70], [100, 250], 'k-', lw=2, label="_not in legend") – gcalmettes Oct 29 '16 at 5:40 ...
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How to check if a python module exists without importing it

...ING When trying to find a submodule, it will import the parent module (for all of the above methods)! food/ |- __init__.py |- eggs.py ## __init__.py print("module food loaded") ## eggs.py print("module eggs") were you then to run >>> import importlib >>> spam_spec = importli...
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Why do we use __init__ in Python classes?

...Spot is a bit of a cripple and is mostly yellow. The __init__ function is called a constructor, or initializer, and is automatically called when you create a new instance of a class. Within that function, the newly created object is assigned to the parameter self. The notation self.legs is an attrib...
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Length of generator output [duplicate]

... Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next(). If you really need to know the number of items there are, then you can't iterate through them linearly one time anyway, so just use a different data structure such as a regular list. ...
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How to read a .xlsx file using the pandas Library in iPython?

... I usually create a dictionary containing a DataFrame for every sheet: xl_file = pd.ExcelFile(file_name) dfs = {sheet_name: xl_file.parse(sheet_name) for sheet_name in xl_file.sheet_names} Update: In pandas version...
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Benchmarking (python vs. c++ using BLAS) and (numpy)

...e python for my program, what could I do to increase the performance when calling BLAS or LAPACK routines? Make sure that numpy uses optimized version of BLAS/LAPACK libraries on your system. share | ...
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What is the best way to give a C# auto-property an initial value?

...ty). Example of attributes that impact the IL are ThreadStaticAttribute, CallerMemberNameAttribute, ... share | improve this answer | follow | ...
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CSS transition shorthand with multiple properties?

...n: height 0.3s ease-out, opacity 0.3s ease 0.5s; Or just transition them all: -webkit-transition: all 0.3s ease-out; -moz-transition: all 0.3s ease-out; -o-transition: all 0.3s ease-out; transition: all 0.3s ease-out; Here is a straightforward example. Here is another one with the delay propert...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

... and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables. 14 Answers ...
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remove legend title in ggplot

... This will remove all legend titles. For more local control, the guide = guide_legend() command works. To remove the fill legend title, but to keep the color legend title, e.g. scale_fill_brewer(palette = "Dark2", guide = guide_legend(title = ...