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What is the exact meaning of IFS=$'\n'?

If the following example, which sets the IFS environment variable to a line feed character... 6 Answers ...
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How to correctly implement custom iterators and const_iterators?

...utput, forward etc. Use base iterator classes from standard library. For example, std::iterator with random_access_iterator_tag.These base classes define all type definitions required by STL and do other work. To avoid code duplication iterator class should be a template class and be parametrized by...
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MongoDB SELECT COUNT GROUP BY

... @FilipBartuzi there is an example in the documentation page, you'll have to add a sort operation to the pipeline, as { $sort: { count: -1 } } – elaich Feb 21 '18 at 13:04 ...
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Detect current device with UI_USER_INTERFACE_IDIOM() in Swift

... let IS_IPHONE_4_OR_LESS = UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH < 568.0 static let IS_IPHONE_5 = UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 568.0 static let IS_IPHONE_6_7 = UI...
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How can I create a self-signed cert for localhost?

... I followed all these steps and I'm getting a ERR_SSL_VERSION_OR_CIPHER_MISMATCH in Chrome 60 and Safari 10.1.2 doesn't like it either. – styfle Aug 5 '17 at 21:19 ...
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Creating a Radial Menu in CSS

...sition: .5s cubic-bezier(0.6, -0.28, 0.735, 0.045); // menu ends &:before, &:after { position: absolute; margin: -$exp (-$w/2); width: $w; height: $exp; transform-origin: 50% 100%; background: linear-gradient(#ddd, #c9c4bf); content: '...
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Sequelize.js: how to use migrations and sync

...rtup scripts in package.json like this: ... "scripts": { "dev": "grunt && sequelize db:migrate && sequelize db:seed:all && node bin/www", "start": "sequelize db:migrate && sequelize db:seed:all && node bin/www" }, ... The only thing I need to do on prod...
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How do I write the 'cd' command in a makefile?

For example, I have something like this in my makefile: 6 Answers 6 ...
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angular.service vs angular.factory

...Factory can be an object, a function reference, or any value at all. For example, if you wrote a service to create a constructor (as in the last example above), it would have to be instantiated like so: var myShinyNewObject = new myInjectedService.myFunction() which is arguably less desirable than ...
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How do I get the file name from a String containing the Absolute file path?

...d that accepts an entire String as a separator.) I've omitted it in the example above, but if you're unsure where the String comes from or what it might contain, you'll want to validate that the lastIndexOf returns a non-negative value because the Javadoc states it'll return -1 if there is no ...