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It is more efficient to use if-return-return or if-else-return?
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201
Since the return statement terminates the execution of the current function, the two forms are...
bash assign default value
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209
Use a colon:
: ${A:=hello}
The colon is a null command that does nothing and ignores its ar...
Everyauth vs Passport.js?
...urage people to look into Passport's sibling projects, OAuthorize and OAuth2orize. Using these projects, you can implement "full-stack" authentication, for both HTML/session-based web apps and API clients.
Reliable
Finally, authentication is a critical component of an application, and one you wan...
difference between each.with_index and each_with_index in Ruby?
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Heroku push rejected, no Cedar-supported app detected
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edited Sep 3 '15 at 12:37
answered Nov 18 '12 at 2:34
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Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
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Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
I'm trying to access a serial port with Python 2.6 on my Raspberry Pi running Debian.
My script named serial.py tries to import pySerial:
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Binding a Button's visibility to a bool value in ViewModel
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204
Assuming AdvancedFormat is a bool, you need to declare and use a BooleanToVisibilityConverter:...
How would you count occurrences of a string (actually a char) within a string?
... "/once/upon/a/time/" and the results are as follows:
Your original = 12s
source.Count = 19s
source.Split = 17s
foreach (from bobwienholt's answer) = 10s
(The times are for 50,000,000 iterations so you're unlikely to notice much difference in the real world.)
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How do I format a string using a dictionary in python-3.x?
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Since the question is specific to Python 3, here's using the new f-string syntax, available sin...