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New Array from Index Range Swift

... Pedantic point, but this isn't really casting the Slice to an Array, but rather creating a new array from a slice. A cast would use the as operator: numbers as Array which would result in an error. – j b Jun 10 '14 at 9...
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How to get my IP address programmatically on iOS/macOS?

I would like to obtain my iPad's IP address programmatically. How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are? ...
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What are the rules for the “…” token in the context of variadic templates?

...template parameter pack if it appears on the right side of an expression (call this expression pattern for a moment), or it's a pack argument if it appears on left side of the name: ...thing // pack : appears as template arguments thing... // unpack : appears when consuming the arguments The ru...
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How do I update/upsert a document in Mongoose?

... Mongoose now supports this natively with findOneAndUpdate (calls MongoDB findAndModify). The upsert = true option creates the object if it doesn't exist. defaults to false. var query = {'username': req.user.username}; req.newData.username = req.user.username; MyModel.findOneAndUpd...
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What is the best way to trigger onchange event in react js

...s we wanted because React library overrides input value setter but we can call the function directly on the input as context. var nativeInputValueSetter = Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype, "value").set; nativeInputValueSetter.call(input, 'react 16 value'); var ev2 ...
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Clone Object without reference javascript [duplicate]

... This is really very good reply. I got the exact solution for my problem. Thanks. – Sumit Tawal Jul 10 '15 at 12:26 ...
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How to Select Every Row Where Column Value is NOT Distinct

I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress). 7 A...
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Pick a random element from an array

... Int? Also, why doesn't Swift offer an Int alternative to this function or allow a user to specify what type of integer they would like returned? – Austin A Sep 27 '14 at 21:10 ...
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Insert picture into Excel cell [closed]

... appear on hover over. Microsoft Office 365 (2019) introduced new things called comments and renamed the old comments as "notes". Therefore in the steps above do New Note instead of Insert Comment. All other steps remain the same and the functionality still exists. There is also a $20 product fo...
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How to convert Strings to and from UTF8 byte arrays in Java

... US-ASCII is actually not a very common encoding nowadays. Windows-1252 and ISO-8859-1 (which are supersets of ASCII) are far more widespread. – Michael Borgwardt Oct 9 '09 at 13:26 ...