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Determine what attributes were changed in Rails after_save callback?
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186
Rails 5.1+
Use saved_change_to_published?:
class SomeModel < ActiveRecord::Base
after_u...
How do you remove a specific revision in the git history?
...ks more or less like this:
pick deadbee The oneline of this commit
pick fa1afe1 The oneline of the next commit
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The oneline descriptions are purely for your pleasure; git-rebase will not look at them but at the commit names ("deadbee" and "fa1afe1" in this example), so do not delete or edit the...
Get an object properties list in Objective-C
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13 Answers
13
Active
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How to save a plot as image on the disk?
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11 Answers
11
Active
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How to find the nearest parent of a Git branch?
...vary over time, but the relationship between commits does not.
---o---1 foo
\
2---3---o bar
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4
\
5---6 baz
It looks like baz is based on (an old version of) bar? But wh...
Formatting text in a TextBlock
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142
You need to use Inlines:
<TextBlock.Inlines>
<Run FontWeight="Bold" FontSize="14...
Why are functions in Ocaml/F# not recursive by default?
...pler code. However, superceded functions are made to use different names (f1, f2 etc.) which pollutes the scope and makes it possible to accidentally invoke the wrong "version" of a function. And there is now a discrepancy between implicitly-recursive fun-bound functions and non-recursive val-bound ...
How do I use format() on a moment.js duration?
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answered Nov 7 '12 at 17:03
timrwoodtimrwood
10k44 gold badges3030 silver badges4141 bronze badges
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WebService Client Generation Error with JDK8
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410
Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLCon...