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Pretty Printing a pandas dataframe

... I've just found a great tool for that need, it is called tabulate. It prints tabular data and works with DataFrame. from tabulate import tabulate import pandas as pd df = pd.DataFrame({'col_two' : [0.0001, 1e-005 , 1e-006, 1e-007], 'column_3' : ['ABCD', ...
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Property getters and setters

...g to backup the computed property. Try this: class Point { private var _x: Int = 0 // _x -> backingX var x: Int { set { _x = 2 * newValue } get { return _x / 2 } } } Specifically, in the Swift REPL: 15> var pt = Point() pt: Point = { _x = 0 } 16> pt.x = 10...
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How to send a simple string between two programs using pipes?

I tried searching on the net, but there are hardly any resources. A small example would suffice. 7 Answers ...
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Substitute multiple whitespace with single whitespace in Python [duplicate]

...ce characters that are combined. To match unicode whitespace: import re _RE_COMBINE_WHITESPACE = re.compile(r"\s+") my_str = _RE_COMBINE_WHITESPACE.sub(" ", my_str).strip() To match ASCII whitespace only: import re _RE_COMBINE_WHITESPACE = re.compile(r"(?a:\s+)") _RE_STRIP_WHITESPACE = re.co...
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How to create a multiline UITextfield?

... UITextField is specifically one-line only. Your Google search is correct, you need to use UITextView instead of UITextField for display and editing of multiline text. In Interface Builder, add a UITextView where you want it and select the "editab...
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Unique fields that allow nulls in Django

...pty string by providing your own customized model form for Foo with a clean_bar method that turns the empty string into None: class FooForm(forms.ModelForm): class Meta: model = Foo def clean_bar(self): return self.cleaned_data['bar'] or None class FooAdmin(admin.ModelAdmin...
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What is the difference between Normalize.css and Reset CSS?

I know what CSS Reset is, but recently I heard about this new thing called Normalize.css 9 Answers ...
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Where can I find Android source code online? [closed]

...plication(e.g.the contact application) ? Is the only way to go to download all there is? 7 Answers ...
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How to empty a list?

... This actually removes the contents from the list, but doesn't replace the old label with a new empty list: del lst[:] Here's an example: lst1 = [1, 2, 3] lst2 = lst1 del lst1[:] print(lst2) For the sake of completeness, the slic...
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Are Java static initializers thread safe?

I'm using a static code block to initialize some controllers in a registry I have. My question is therefore, can I guarantee that this static code block will only absolutely be called once when the class is first loaded? I understand I cannot guarantee when this code block will be called, I'm guessi...