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How to check if an email address exists without sending an email?

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Create new user in MySQL and give it full access to one database

... | edited Jan 3 '18 at 14:11 Flimm 86.3k2828 gold badges186186 silver badges191191 bronze badges ...
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How can I rename a field for all documents in MongoDB?

...d:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}}); } } db.foo.find().forEach(remap); In MongoDB 3.2 you can also use db.students.updateMany( {}, { $rename: { "oldname": "newname" } } ) The general syntax of this is db.collection.updateMany(filter, update, optio...
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Pry: show me the stack

... 51 Use the pry-stack_explorer plugin, it allows you to move up and down the call-stack (with up and...
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]

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@Scope(“prototype”) bean scope not creating new bean

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How do I access the host machine itself from the iPhone simulator

... 133 The iOS Simulator uses the host machine network so you should be able to just use localhost or...
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Is there something like Annotation Inheritance in java?

... | edited Oct 29 '19 at 18:24 JuanMoreno 1,3511212 silver badges2121 bronze badges answered Oct ...
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PHP Difference between array() and []

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HtmlString vs. MvcHtmlString

... 118 HtmlString only exists in ASP.NET 4. MvcHtmlString was a compatibility shim added to MVC 2 to...