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Calculate age given the birth date in the format YYYYMMDD

... @RobG I don't think a full year technically has passed from 2000-02-29 to 2001-02-28, making your answer invalid. It wouldn't make sense, 2000-02-28 to 2001-02-28 is a year, so 2000-02-29 to 2001-02-28, must be less than a year. – André Sne...
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Usage of protocols as array types and function parameters in swift

...help overcome this limitation in some cases. struct AnyX { private let _x: () -> Int var x: Int { return _x() } init<T: X>(_ some: T) { _x = { some.x } } } // Usage Example struct XY: X { var x: Int var y: Int } struct XZ: X { var x: Int var z: In...
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JavaScript closure inside loops – simple practical example

...pport let but get the above wrong (they don't create a new i each time, so all the functions above would log 3 like they would if we used var). Edge 14 finally gets it right. ES5.1 solution: forEach With the relatively widespread availability of the Array.prototype.forEach function (in 2015), it's ...
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Python - When to use file vs open

...bove natively support the with statement. In Python 2.5, you must add from __future__ import with_statement to the top of your code. – IceArdor Jul 14 '14 at 20:40 ...
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How to remove all debug logging calls before building the release version of an Android app?

According to Google, I must " deactivate any calls to Log methods in the source code " before publishing my Android app to Google Play. Extract from section 3 of the publication checklist : ...
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PHP/MySQL insert row then get 'id'

...ithin its own isolated session, which is where the ID comes from when you call mysql_insert_id() from your PHP (or LAST_INSERT_ID() in MySQL) – rodrigo-silveira Sep 26 '12 at 18:22 ...
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Get class name of object as string in Swift

... Is this really the case? According to the docs for String for this initializer "an unspecified result is supplied automatically by the Swift standard library" when it doesn't conform to Streamable, or CustomStringConvertible, or Cust...
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is_file or file_exists in PHP

I need to check if a file is on HDD at a specified location ($path.$file_name). 5 Answers ...
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range over interface{} which stores a slice

...t interface{}) { switch t := t.(type) { case []string: for _, value := range t { fmt.Println(value) } case []int: for _, value := range t { fmt.Println(value) } } } Check out the code on the playground. ...
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What happens if you static_cast invalid value to enum class?

...ue is specified(*), and no Undefined Behaviour (UB) is involved. More generally, as you cast from the underlying type to the enumeration type, no value in data[0] can lead to UB for the static_cast. After CWG 1766 (C++17) See CWG defect 1766. The [expr.static.cast]p10 paragraph has been strengthene...