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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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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes

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How does Duff's device work?

... 241 There are some good explanations elsewhere, but let me give it a try. (This is a lot easier on...
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Does PNG contain EXIF data like JPG?

... hippietrail 13k1414 gold badges8484 silver badges125125 bronze badges answered Mar 6 '12 at 1:38 leonbloyleonbloy ...
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What is the most efficient/elegant way to parse a flat table into a tree?

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How to declare a global variable in JavaScript?

... | edited Sep 9 '14 at 19:00 Servy 190k2323 gold badges279279 silver badges394394 bronze badges ...
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Scalar vs. primitive data type - are they the same thing?

...| edited Jul 22 '15 at 13:48 kareman 69111 gold badge66 silver badges1616 bronze badges answered Jul 8 '...
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Eclipse RCP Plug-in开发自学教程(Eclipse3.6) - 文档下载 - 清泛网 - ...

........................................................................17 2.4 维护LAUNCH配置 .......................................................................................................................17 2.5 可能的APPLICATION ID 错误: ..............................................
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What regular expression will match valid international phone numbers?

... \+(9[976]\d|8[987530]\d|6[987]\d|5[90]\d|42\d|3[875]\d| 2[98654321]\d|9[8543210]|8[6421]|6[6543210]|5[87654321]| 4[987654310]|3[9643210]|2[70]|7|1)\d{1,14}$ Is the correct format for matching a generic international phone number. I replaced the US land line centri...
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difference between Product Backlog Item and Feature in Team Foundation work item types

... which I am basing this answer on... http://www.nsilverbullet.net/2013/06/04/features-help-us-plan-work-better-in-team-foundation-service-scrum-process/ Should you create a Feature or a Product Backlog Item? If you think/hope that the new work item that you are going to create will fit into a sin...