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Check if character is number?

...); } The comment for this function reads: // parseFloat NaNs numeric-cast false positives (null|true|false|"") // ...but misinterprets leading-number strings, particularly hex literals ("0x...") // subtraction forces infinities to NaN I think we can trust that these chaps have spent quit...
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Reading a file line by line in Go

...('\n') isn't fully equivalent to ReadLine because ReadString is unable to handle the case when the last line of a file does not end with the newline character. share | improve this answer |...
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How to convert String object to Boolean Object?

...it has a performance cost. I suggest to use it only when you would have to cast yourself, not when the cast is avoidable. share | improve this answer | follow ...
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What kind of virtual machine is BEAM (the Erlang VM)?

From what I understand a virtual machine falls into two categories either "system virtual machine" or a "process virtual machine". It's kind of fuzzy to me where BEAM lies. Is there another kind of virtual machine I am not aware of? ...
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How to iterate over a JSONObject?

...t; will give a warning. I'd replace it with the generic <?> and do a cast on the call to next(). Also, I'd use getString("id") instead of get("id") to save doing a cast. – RTF Apr 14 '16 at 10:38 ...
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How do I upgrade PHP in Mac OS X?

... it will probably give you a newer version of PHP. I'm running OS X 10.6.2 and it has PHP 5.3.0. share | improve this answer | follow | ...
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Check if Key Exists in NameValueCollection

...but it could be current culture or invariant culture || @this.Keys.Cast<string>().Contains(key, StringComparer.OrdinalIgnoreCase); } share | improve this answer | ...
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How to find the Windows version from the PowerShell command line

... When I run winver it shows me version 1607. But the powershell command above does not give 1607. Where do I get this "1607" number in Powershell? – CMCDragonkai Dec 10 '16 at 8:01 ...
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Should I use #define, enum or const?

...Assuming you have ruled out bitset, I vote for the enum. I don't buy that casting the enums is a serious disadvantage - OK so it's a bit noisy, and assigning an out-of-range value to an enum is undefined behaviour so it's theoretically possible to shoot yourself in the foot on some unusual C++ impl...
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Read text file into string array (and write)

The ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang? e.g. ...