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How can I brew link a specific version?
...
Unfortunately, brew tap homebrew/versions now gives me an error Error: homebrew/versions was deprecated. This tap is now empty as all its formulae were migrated `
– Juraj Martinka
Jun 14 '19 at 11:57
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How do I override __getattr__ in Python without breaking the default behavior?
...lled bar. If the attribute is one you don't want to handle, raise AttributeError:
class Foo(object):
def __getattr__(self, name):
if some_predicate(name):
# ...
else:
# Default behaviour
raise AttributeError
However, unlike __getattr__, __ge...
What is a method group in C#?
I have often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
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App Inventor 2 扩展 · App Inventor 2 中文网
...er importing an extension, make sure to restart the companion app, else an error may occur.
Figure 3: An imported extension shown in components palette
2.2 Some sample extensions to try
Here are some sample extension components to experiment with. You can find these in the MIT App Inventor E...
How to hide output of subprocess in Python 2.7
... PIPE, STDOUT
try:
from subprocess import DEVNULL # py3k
except ImportError:
import os
DEVNULL = open(os.devnull, 'wb')
text = u"René Descartes"
p = Popen(['espeak', '-b', '1'], stdin=PIPE, stdout=DEVNULL, stderr=STDOUT)
p.communicate(text.encode('utf-8'))
assert p.returncode == 0 # u...
Generate random string/characters in JavaScript
...nk or jsperf.com/sad-tragedy-of-microoptimization or sitepen.com/blog/2008/05/09/string-performance-an-analysis etc. Also, this question involves only 5 concatenations.
– Alex Reece
May 7 '13 at 22:34
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os.path.dirname(__file__) returns empty
...Test\app.db?
– 0004
Oct 23 '18 at 3:05
@pes04 __file__ expands to the name of the current file, so you can use a verba...
How to `go test` all tests in my project?
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answered May 3 '13 at 7:05
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
I have been unable to overcome this error in Application Loader. I've quit, restarted, tried different computers - it's like the server is hung up on an op that I never initiated and it won't time out. Has anyone seen it before and beaten it?
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Rails - Validate Presence Of Association?
...y.
– Joshua Pinter
Jul 21 '18 at 18:05
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