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How do I get a raw, compiled SQL query from a SQLAlchemy expression?
... query object and want to get the text of the compiled SQL statement, with all its parameters bound (e.g. no %s or other variables waiting to be bound by the statement compiler or MySQLdb dialect engine, etc).
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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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addEventListener vs onclick
...se);
Using this approach (DOM Level 2 events), you can attach a theoretically unlimited number of events to any single element. The only practical limitation is client-side memory and other performance concerns, which are different for each browser.
The examples above represent using an anonymous...
How to run a PowerShell script from a batch file
... would have otherwise. In a way it's merely a convenience to avoid accidentally running things you may not want to run. Similar to having to prefix commands in the current directory with ./ and having an executable flag on Unix.
– Joey
Nov 6 '16 at 14:26
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How to implement static class member functions in *.cpp file?
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If you define it in the class body, it will automatically be default. If it's in the header outside the class body, it had better be marked either inline or template or you'll get multiple definition errors from the linker.
– Ben Voigt
Ma...
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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Can someone explain Microsoft Unity?
...). I'm familiar with the MVPC pattern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next step in our application design.
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Gradients in Internet Explorer 9
...soft.com/testdrive/Graphics/CSSGradientBackgroundMaker/Default.html
Note: all of these browsers also support rgb/rgba in place of hexadecimal notation.
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How can I find the current OS in Python? [duplicate]
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I usually use sys.platform (docs) to get the platform. sys.platform will distinguish between linux, other unixes, and OS X, while os.name is "posix" for all of them.
For much more detailed information, use the platform module. Th...
Do sealed classes really offer performance Benefits?
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The JITter will sometimes use non-virtual calls to methods in sealed classes since there is no way they can be extended further.
There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but ...