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How to check if a given directory exists in Ruby

...Dir.exist – fkoessler Apr 21 '15 at 10:20 4 @burningpony my bad, it's Dir.exist? ...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...tement // not optional here var x = 0 // declaration while (x < 10) { x += 1 } // stuff (x % 5) + 1 // expression } ( expression ) So, if you need declarations, multiple statements, an import or anything like that, you need curly braces. And because an expression is a statement, par...
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parseInt(null, 24) === 23… wait, what?

...ken as a number in the specified radix (base). For example, a radix of 10 indicates to convert from a decimal number, 8 octal, 16 hexadecimal, and so on. For radices above 10, the letters of the alphabet indicate numerals greater than 9. For example, for hexadecimal numbers (base 16)...
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ASP.Net MVC Html.HiddenFor with wrong value

...s means you have a fresh ModelState. blogs.msdn.com/b/simonince/archive/2010/05/05/… (linked from a post I wrote on this today: oceanbites.blogspot.com/2011/02/mvc-renders-wrong-value.html ) – Lisa Mar 1 '11 at 6:40 ...
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Storing integer values as constants in Enum manner in java [duplicate]

... expert 25.7k2323 gold badges101101 silver badges191191 bronze badges answered Oct 21 '10 at 17:54 BlairHippoBlairHippo ...
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MySql Table Insert if not exist otherwise update

...SERT INTO AggregatedData (datenum,Timestamp) VALUES ("734152.979166667","2010-01-14 23:30:00.000") ON DUPLICATE KEY UPDATE Timestamp=VALUES(Timestamp) share | improve this answer | ...
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How to exit a function in bash

...it. – Yevgeniy Brikman May 6 '16 at 10:53 1 @YevgeniyBrikman that's only true if the error in the...
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How to overcome TypeError: unhashable type: 'list'

... @user1871081 Ah, are you using Python 3.x? I'll post an update that should work with that. – RocketDonkey Dec 3 '12 at 0:49 ...
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How do I measure execution time of a command on the Windows command line?

... I don't see the command in Windows 10, nor do I easily find a Resource Kit for Win 10. Does anyone know how to get this for 10? – Jay Imerman Jan 25 '18 at 14:35 ...
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How do I efficiently iterate over each entry in a Java Map?

... ScArcher2ScArcher2 75.5k3838 gold badges109109 silver badges155155 bronze badges 93 ...