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Preserving order with LINQ
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Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5}
– Marc Gravell♦
Oct 15 '08 at 14:33
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Cooler ASCII Spinners? [closed]
... even in random order http://www.fileformat.info/info/unicode/block/braille_patterns/images.htm
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
... access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (...
Environment variables for java installation
...r-unique-entries does not contain any other references to another Java installation folder.
Note for Windows users on 64-bit systems:
Progra~1 = 'Program Files'
Progra~2 = 'Program Files(x86)'
Notice that these environment variables are derived from the "root" environment variable JAVA_HOME...
How to get the list of all printers in computer
I need to get the list of all printers that connect to computer?
6 Answers
6
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How to filter a dictionary according to an arbitrary condition function?
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And here is a good explanation why the function call dict() is slower than the constructor/literal syntax {} doughellmann.com/2012/11/…
– dorvak
Jul 10 '13 at 9:37
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Razor ViewEngine: How do I escape the “@” symbol?
...t;a href="" title="this @@ won't work"></a>, both syntax error in VS and parser error in runtime.
– Tien Do
Jul 25 '12 at 1:35
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How to properly assert that an exception gets raised in pytest?
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pytest.raises(Exception) is what you need.
Code
import pytest
def test_passes():
with pytest.raises(Exception) as e_info:
x = 1 / 0
def test_passes_without_info():
with pytest.raises(Exception):
x = 1 / 0
def test_fails():
with pytest.raises(Exception) as e_info:
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How do I package a python application to make it pip-installable?
...t doesn't necessarily mean that these information are duplicated: setup.py vs requirements.txt
With this setup your package should be installable via pip.
As Pierre noted in the comments, there's now also a relevant section in Django's official documentation: Packaging your app
And then there...
Combine :after with :hover
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@WickyNilliams: That's by design (pseudo-elements vs pseudo-classes) - see stackoverflow.com/questions/5777210/…
– BoltClock♦
Feb 4 '13 at 9:30
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