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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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Rails.env vs RAILS_ENV
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371
According to the docs, #Rails.env wraps RAILS_ENV:
# File vendor/rails/railties/lib/initi...
Get current stack trace in Ruby without raising an exception
I want to log the current backtrace (stacktrace) in a Rails 3 app without an exception occurring. Any idea how?
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Adding a y-axis label to secondary y-axis in matplotlib
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Stretch child div height to fill parent that has dynamic height
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edited Oct 5 '16 at 7:03
answered Nov 4 '13 at 13:44
Mr_...
Change one value based on another value in pandas
...for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df.ID == 103, 'FirstName'] = "Matt"
df.loc[df.ID == 103, 'LastName'] = "Jones"
As mentioned in the comments, you can also do the assignment to both columns in one shot:
df.loc[df.ID == 103, ['FirstName', 'LastName']] = 'Matt', 'Jones...
Newline in JLabel
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edited Dec 11 '17 at 23:15
Nathan
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answered J...
Redefining NULL
...casting a 0 constant to a pointer value must result in a NULL pointer (§6.3.2.3/3), and evaluating the null pointer as a boolean must be false. This can be a bit awkward if you really do want a zero address, and NULL is not the zero address.
Nevertheless, with (heavy) modifications to the compiler...
Maintain git repo inside another git repo
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mipadimipadi
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Print commit message of a given commit in git
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347
It's not "plumbing", but it'll do exactly what you want:
$ git log --format=%B -n 1 <commi...