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Any reason why scala does not explicitly support dependent types?

...o foo1: Foo = Foo@24bc0658 scala> val foo2 = new Foo foo2: Foo = Foo@6f7f757 scala> implicitly[foo1.Bar =:= foo1.Bar] // OK: equal types res0: =:=[foo1.Bar,foo1.Bar] = <function1> scala> implicitly[foo1.Bar =:= foo2.Bar] // Not OK: unequal types <console>:11: error: Cannot pr...
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How to merge a transparent png image with another image using PIL

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SQL Server Insert if not exists

...ction executes the INSERT, i.e. a race condition. See stackoverflow.com/a/3791506/1836776 for a good answer on why even wrapping in a transaction doesn't solve this. share | improve this answer ...
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Deleting all files in a directory with Python

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Should one use < or

If you had to iterate through a loop 7 times, would you use: 39 Answers 39 ...
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Canvas width and height in HTML5

... 40, 10.5, 20, 20 ); ctx.strokeRect( 40, 10.5, 20, 20 ); ctx.fillRect( 70, 10, 20, 20 ); ctx.strokeRect( 70, 10, 20, 20 ); ctx.strokeStyle = '#fff'; ctx.strokeRect( 10.5, 10.5, 20, 20 ); ctx.strokeRect( 40, 10.5, 20, 20 ); ctx.strokeRect( 70, 10, 20, 20 ); body { background:#eee; margin:...
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Default parameter for CancellationToken

... Tobias J 11.3k77 gold badges5151 silver badges5050 bronze badges answered Mar 12 '14 at 18:51 tofutimtofutim ...
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How do Trigonometric functions work?

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How to make type=“number” to positive numbers only

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