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How do I automatically update a timestamp in PostgreSQL

...update_modified_column() RETURNS TRIGGER AS $$ BEGIN NEW.modified = now(); RETURN NEW; END; $$ language 'plpgsql'; Apply the trigger like this: CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column(); ...
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How does data binding work in AngularJS?

... to one or the other, but each time you add you fire a change event, which now has an inconsistent view of the world. This is a very similar problem to thread locking, which JavaScript avoids since each callback executes exclusively and to completion. Change events break this since setters can have ...
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How to delete a file or folder?

..._path.mkdir() file_path = directory_path / 'file' file_path.touch() and now: >>> file_path.is_file() True Now let's delete them. First the file: >>> file_path.unlink() # remove file >>> file_path.is_file() False >>> file_path.exists() False We can use...
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Extending an Object in Javascript

...for brevity, property assignments are skipped because you get the point by now. Object.assign(darthVader, Robot) Darth Vader gets the methods of Robot: darthVader.greet() // inherited from `Person`, outputs "Hi, my name is Darth Vader..." darthVader.machineGreet() // inherited from `Robot`, outputs...
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Need some clarification about beta/alpha testing on the developer console

... many users can install the app. 4. Production - This is the last release, now everybody can install your app, can give reviews, can report to google play if something bad is there. One more thing, now your app appears in play store search listing. Now there is one more thing, open testing, closed t...
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Why doesn't Mockito mock static methods?

...o think mocking tools should give you what you need without assuming they know what's better for you. For example, if I was using a third party library that utilized a static method call that I needed to mock, it would be nice to be able to do so. The idea that a mock framework won't provide you s...
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How to pass an object into a state using UI-router?

... here for convenience: christopherthielen: Yes, this should be working now in 0.2.13. .state('foo', { url: '/foo/:param1?param2', params: { param3: null } // null is the default value }); $state.go('foo', { param1: 'bar', param2: 'baz', param3: { id: 35, name: 'what' } }); ...
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What are the best JVM settings for Eclipse? [closed]

...ill still look for the "Sun Microsystems" string, but with 6u21b7, it will now work - again. For now, I still keep the -XX:MaxPermSize version (because I have no idea when everybody will launch eclipse the right JDK). Implicit `-startup` and `--launcher.library` Contrary to the previous settin...
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Placeholder Mixin SCSS/CSS

...event you from using it at the root level. sassmeister.com/gist/9469073. Now if you're using LibSass, that's a different story. – cimmanon Mar 10 '14 at 16:58 ...
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CSS hexadecimal RGBA?

I know you can write ... 12 Answers 12 ...