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How to find the operating system version using JavaScript?

...a')) != -1) { browser = 'Opera'; version = nAgt.substring(verOffset + 6); if ((verOffset = nAgt.indexOf('Version')) != -1) { version = nAgt.substring(verOffset + 8); } } // Opera Next if ((verOffset = nAgt.indexO...
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Performance of static methods vs instance methods

... you mean that if above sample method takes parameter as object instead of string, non-static is better? for example: I have my static method takes object as parameter and serializes it into string and returns string. are you suggesting to use non-static in this case? – batmaci...
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Check if PHP session has already started

... An example for testing if session_id() returns empty string in an include file: – tgoneil Oct 5 '12 at 8:05 3 ...
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Returning value that was passed into a method

... You can use a lambda with an input parameter, like so: .Returns((string myval) => { return myval; }); Or slightly more readable: .Returns<string>(x => x); share | improve t...
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Specify format for input arguments argparse python

...rsions to be performed ... type= can take any callable that takes a single string argument and returns the converted value You could do something like: def valid_date(s): try: return datetime.strptime(s, "%Y-%m-%d") except ValueError: msg = "Not a valid date: '{0}'.".forma...
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How do I access call log for android?

..._log/calls"); Cursor c = managedQuery(allCalls, null, null, null, null); String num= c.getString(c.getColumnIndex(CallLog.Calls.NUMBER));// for number String name= c.getString(c.getColumnIndex(CallLog.Calls.CACHED_NAME));// for name String duration = c.getString(c.getColumnIndex(CallLog.Calls.DUR...
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Lost my schema.rb! Can it be regenerated?

... answered Oct 17 '16 at 2:18 R.ChaR.Cha 63566 silver badges1212 bronze badges ...
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How to save a PNG image server-side, from a base64 data string

...rt canvas drawings to PNG images. What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP. ...
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How do you round to 1 decimal place in Javascript?

...nded.toFixed(1) // fixed is always to 1 d.p. // NOTE: .toFixed() returns a string! // To convert back to number format parseFloat(number.toFixed(2)) // 12.34 // but that will not retain any trailing zeros // So, just make sure it is the last step before output, // and use a number format during ca...
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How to convert an array to object in PHP?

...y and '240' on production - massive dissaster. Morover if conversion fails string get's returned as NULL share | improve this answer | follow | ...