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Run a callback only if an attribute has changed in Rails
... # ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made...
How do I escape the wildcard/asterisk character in bash?
... play, didn't work.
For a full explanation of BASH expansions, refer to:
http://www.gnu.org/software/bash/manual/bashref.html#Shell-Expansions
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How to handle button clicks using the XML onClick within Fragments
...I'm not sure if it is a "valid" solution neither, but it works.
Based on: https://developer.android.com/tools/data-binding/guide.html#binding_events
It can be done with data bindings: Just add your fragment instance as a variable, then you can link any method with onClick.
<layout xmlns:androi...
Git file permissions on Windows
...
I found the solution of how to change permissions (also) on Windows here: http://blog.lesc.se/2011/11/how-to-change-file-premissions-in-git.html
For example following command adds user execute permission to an arbitrary file:
git update-index --chmod=+x <file>
...
Remove leading or trailing spaces in an entire column of data
...More information regarding ASAP Utilities and trimming can be found here:
http://www.asap-utilities.com/asap-utilities-excel-tools-tip.php?tip=87
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How can I alter a primary key constraint using SQL syntax?
...ame, use query found here to look it up (or look up and drop all at once). http://stackoverflow.com/a/13948609/945875
– Justin
Dec 19 '13 at 20:06
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jQuery Validate - Enable validation for hidden fields
...gin's author says you should use "square brackets without the quotes", []
http://bassistance.de/2011/10/07/release-validation-plugin-1-9-0/
Release: Validation Plugin 1.9.0:
"...Another change should make the setup of forms with hidden elements
easier, these are now ignored by default (opti...
How do I import other TypeScript files?
... } from "./ZipCodeValidator";
let myValidator = new ZipCodeValidator();
https://www.typescriptlang.org/docs/handbook/modules.html
Old answer: From TypeScript version 1.5 you can use tsconfig.json: http://www.typescriptlang.org/docs/handbook/tsconfig-json.html
It completely eliminates the need o...
Difference between val() and text()
..."A new text is set using .text() function!");
return false;
})
Demo: http://jsfiddle.net/urhys9zj/6/
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How to get the class of the clicked element?
...i){
ui.tab.attr('class');
} ,
...
For more info about the ui.tab see http://jqueryui.com/demos/tabs/#Events
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