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How to extract a floating number from a string [duplicate]

I have a number of strings similar to Current Level: 13.4 db. and I would like to extract just the floating point number. I say floating and not decimal as it's sometimes whole. Can RegEx do this or is there a better way? ...
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Illegal string offset Warning PHP

...ad the strage content like this. array(2) { ["host"]=> string(9) "127.0.0.1" ["port"]=> string(5) "11211" } string(5) "m_prefix" PHP 5.4 now $xx['host'] threw the warning correctly. – thesonix Mar 26 '12 at 9:17 ...
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Java Byte Array to String to Byte Array

I'm trying to understand a byte[] to string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client. ...
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Access-Control-Allow-Origin error sending a jQuery Post to Google API's

I read a lot for the 'Access-Control-Allow-Origin' error, but I don't understand what I have to fix :( 7 Answers ...
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How do I select an element in jQuery by using a variable for the ID?

...with a "#" You are attempting to pass a Number to the find function when a String is required (passing "#" + 5 would fix this as it would convert the 5 to a "5" first) share | improve this answer ...
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SQL error “ORA-01722: invalid number”

... An ORA-01722 error occurs when an attempt is made to convert a character string into a number, and the string cannot be converted into a number. Without seeing your table definition, it looks like you're trying to convert the numeric sequence at the end of your values list to a number, and the sp...
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar

...en calls IsPathRooted on path2 and returns that path if so: public static String Combine(String path1, String path2) { if (path1==null || path2==null) throw new ArgumentNullException((path1==null) ? "path1" : "path2"); Contract.EndContractBlock(); CheckInvalidPathChars(path1); ...
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How do I find the absolute url of an action in ASP.NET MVC?

...ters represent actions/controllers. In that way R# can still validate the strings you provide, as it does so well. – Drew Noakes Aug 8 '12 at 22:34 3 ...
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?

... a simple one-to-one mapping. You would need to know the length of the substring that was actually matched. But Compare, IndexOf ..etc throw that information away. It could be possible with regular expressions but the implementation doesn't do full case folding and so doesn't match ß to ss/SS in c...
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Json.net serialize/deserialize derived types?

... = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.All }; string Serialized = JsonConvert.SerializeObject(inheritanceList, settings); List<Base> deserializedList = JsonConvert.DeserializeObject<List<Base>>(Serialized, settings); This will result in correct deseri...