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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]

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How can I change the color of AlertDialog title and the color of the line under it

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Why is the Windows cmd.exe limited to 80 characters wide?

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Convert JS Object to form data

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Limit text length to n lines using CSS

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Value of type 'T' cannot be converted to

... there to string (since object can be cast to string). For example: T newT1 = (T)(object)"some text"; string newT2 = (string)(object)t; share | improve this answer | follow...
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How to make a JSONP request from Javascript without JQuery?

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When to use references vs. pointers

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Detect when browser receives file download

... 0) ) { unblockSubmit(); } attempts--; }, 1000 ); } function unblockSubmit() { setCursor( "auto", "pointer" ); window.clearInterval( downloadTimer ); expireCookie( "downloadToken" ); attempts = 30; } Example server code (PHP): $TOKEN = "downloadToken"; /...
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How to test that no exception is thrown?

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