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Are +0 and -0 the same?

... -0. This could be avoided by subtracting 1 from the integer value so it ranged from -1 to -2^16, but this would be inconvenient. A more common approach is to store integers in 'two complements', but apparently ECMAscript has chosen not to. In this method numbers range from 0000 to 7FFF positive....
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Remove characters from NSString?

...ring:@"" options:0 range:NSMakeRange(0, string.length)]; this is also useful if you would like the result to be a mutable instance of an input string: NSMutableString * string = [concreteString mutableCopy]; [string replaceOccurrencesOfStrin...
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Signed versus Unsigned Integers

...e number. When using two's complement, the variable can represent a larger range (by one) of negative numbers than positive numbers. This is because zero is included in the 'positive' numbers (since the sign bit is not set for zero), but not the negative numbers. This means that the absolute value ...
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What's the difference between Unicode and UTF-8? [duplicate]

...interface. A text editor that uses Windows's encoding support to provide a range of encodings will automatically and inappropriately describe UTF-16LE as “Unicode”, and UTF-16BE, if provided, as “Unicode big-endian”. (Other editors that do encodings themselves, like Notepad++, don't have th...
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Configure IIS Express for external access to VS2010 project

...rule and add ports at any time. (If this becomes tiresome, you might add a range such as 40000-65534 which covers the entire range used by Visual Studio, but be aware this is less secure). Action is "Allow the connection" Profile will be one of the following. If in doubt, choose "Domain + private". ...
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What is the difference between int, Int16, Int32 and Int64?

... Each type of integer has a different range of storage capacity Type Capacity Int16 -- (-32,768 to +32,767) Int32 -- (-2,147,483,648 to +2,147,483,647) Int64 -- (-9,223,372,036,854,775,808 to +9,223,372,036,854,775,807) As stated by James S...
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Restrict varchar() column to specific values?

...pression that is not based on data in another column. For example, the range of values for a salary column can be limited by creating a CHECK constraint that allows for only data that ranges from $15,000 through $100,000. This prevents salaries from being entered beyond the regular s...
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What is the purpose of a question mark after a type (for example: int? myVariable)?

...of the System.Nullable struct. A nullable type can represent the correct range of values for its underlying value type, plus an additional null value. For example, a Nullable<Int32>, pronounced "Nullable of Int32," can be assigned any value from -2147483648 to 2147483647, or it can be ...
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Why doesn't Haskell's Prelude.read return a Maybe?

... an instance of Show and Read) and that show . read is the identity on the range of show (i.e. show . read . show == show) Having a Maybe in the type of read breaks the symmetry with show :: a -> String. share |...
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How do I convert an integer to binary in JavaScript?

... what JS uses as its not sure how many bits are in your number range. There are some suggestions https://stackoverflow.com/questions/10936600/javascript-decimal-to-binary-64-bit */ return (~dec).toString(2); } } I had some help from here ...