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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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difference between each.with_index and each_with_index in Ruby?
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2 Answers
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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...
Preventing Laravel adding multiple records to a pivot table
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Alexandre ButynskiAlexandre Butynski
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How do I format a string using a dictionary in python-3.x?
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23
Since the question is specific to Python 3, here's using the new f-string syntax, available sin...
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 to use `subprocess` command with pipes
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452
To use a pipe with the subprocess module, you have to pass shell=True.
However, this isn't real...
TypeError: $.ajax(…) is not a function?
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1032
Neither of the answers here helped me. The problem was: I was using the slim build of jQuery, wh...
How do I find numeric columns in Pandas?
...lude and exclude. So isNumeric would look like:
numerics = ['int16', 'int32', 'int64', 'float16', 'float32', 'float64']
newdf = df.select_dtypes(include=numerics)
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Java Naming Convention with Acronyms [closed]
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241
Since it looks like the answer is that there is no single standard for this in Java, I'd like ...