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How to get the original value of an attribute in Rails
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11
For rails 5.1+
Appending _was is deprecated in rails 5.1, now you should append _before_last_s...
What does an underscore in front of an import statement mean?
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Community♦
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answered Jan 20 '14 at 1:52
Herman SchaafHerman Schaaf
36k191...
Using the slash character in Git branch name
...y this:
% cd .git/refs/heads
% ls -l
total 0
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master
% mkdir labs
mkdir: cannot create directory 'labs': File exists
You're getting the equivalent of the "cannot create directory" error.
When you have a br...
“unary operator expected” error in Bash if condition
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@cdarke Fwiw, per page 113 in the 3rd Edition of Learning the Bash Shell, "[[ .. ]] is not available in versions of bash prior to 2.05." In the online pdf from doc.lagout.org, it's on page 326!
– spen.smith
Ju...
JavaScript :How to set a Conditional Break Point in Chrome debugger tools
...thing unexpected.
– ejectamenta
Jan 11 '18 at 16:36
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How do I combine two data frames?
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Joran BeasleyJoran Beasley
88.2k1111 gold badges116116 silver badges148148 bronze badges
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scopes with lambda and arguments in Rails 4 style?
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lis2lis2
3,99811 gold badge1414 silver badges99 bronze badges
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Detect if homebrew package is installed
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timotheecourtimotheecour
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add a comme...
What is the difference between Int and Integer?
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200_success200_success
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How to delete (not cut) in Vim?
...n any OS.
– WesternGun
Nov 3 '16 at 11:43
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