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Determine what attributes were changed in Rails after_save callback?

... Aaron Brager 60.7k1616 gold badges143143 silver badges255255 bronze badges answered Oct 5 '10 at 8:09 Radek PavienskyRadek Paviensky ...
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How do you remove a specific revision in the git history?

... To combine revision 3 and 4 into a single revision, you can use git rebase. If you want to remove the changes in revision 3, you need to use the edit command in the interactive rebase mode. If you want to combine the changes into a single revision, us...
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Get an object properties list in Objective-C

... if (attribute[0] == 'T') { if (strlen(attribute) <= 4) { break; } return (const char *)[[NSData dataWithBytes:(attribute + 3) length:strlen(attribute) - 4] bytes]; } } return "@"; } ...
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How to save a plot as image on the disk?

... edited May 23 '17 at 11:54 Community♦ 111 silver badge answered Aug 22 '11 at 7:15 ...
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How to find the nearest parent of a Git branch?

... \ 2---3---o bar \ 4 \ 5---6 baz It looks like baz is based on (an old version of) bar? But what if we delete bar? ---o---1 foo \ 2---3 \...
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Formatting text in a TextBlock

... 142 You need to use Inlines: <TextBlock.Inlines> <Run FontWeight="Bold" FontSize="14"...
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How to convert a char to a String?

... 647 You can use Character.toString(char). Note that this method simply returns a call to String.val...
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Why are functions in Ocaml/F# not recursive by default?

...7 J DJ D 45.7k1212 gold badges157157 silver badges263263 bronze badges ...
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How do I use format() on a moment.js duration?

...g to durations in moment.js. See https://github.com/timrwood/moment/issues/463 A couple other libraries that might help out are http://countdownjs.org/ and https://github.com/icambron/twix.js share | ...
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WebService Client Generation Error with JDK8

... 410 Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLCo...