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Use curly braces to initialize a Set in Python
...yntax:
my_set = {'foo', 'bar', 'baz'}
It's not available before Python 2.7
There's no way to express an empty set using that syntax (using {} creates an empty dict)
Those may or may not be important to you.
The section of the docs outlining this syntax is here.
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How do I make sure every glyph has the same width?
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208
Since 3.1.1, you could use the icon-fixed-width class instead of having to edit the CSS.
http...
How do I compare version numbers in Python?
...e.
>>> from packaging import version
>>> version.parse("2.3.1") < version.parse("10.1.2")
True
>>> version.parse("1.3.a4") < version.parse("10.1.2")
True
>>> isinstance(version.parse("1.3.a4"), version.Version)
True
>>> isinstance(version.parse("1....
Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
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skaffmanskaffman
374k9292 gold badges779779 silver badges744744 bronze badges
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How to use GNU Make on Windows?
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Here's how I got it to work:
copy c:\MinGW\bin\mingw32-make.exe c:\MinGW\bin\make.exe
Then I am able to open a command prompt and type make:
C:\Users\Dell>make
make: *** No targets specified and no makefile found. Stop.
Which means it's working now!
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How to get a specific “commit” of a gem from github?
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2 Answers
2
Active
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Install a module using pip for specific python version
On Ubuntu 10.04 by default Python 2.6 is installed, then I have installed Python 2.7. How can I use pip install to install packages for Python 2.7.
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enum - getting value of enum on string conversion
...:
def __str__(self):
return str(self.value)
x = 1
y = 2
Demo:
>>> from enum import Enum
>>> class D(Enum):
... def __str__(self):
... return str(self.value)
... x = 1
... y = 2
...
>>> D.x
<D.x: 1>
>>> print(D.x)
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Qt: How do I handle the event of the user pressing the 'X' (close) button?
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edited Jul 19 '16 at 20:39
Jason Sundram
10.6k1818 gold badges6363 silver badges8383 bronze badges
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mailto link multiple body lines
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212
You can use URL encoding to encode the newline as %0A.
mailto:email@address.com?subject=test&...
