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Calculating distance between two points, using latitude longitude?

...distanceAlgorithm; public class CalDistance { public static void main(String[] args) { // TODO Auto-generated method stub CalDistance obj=new CalDistance(); /*obj.distance(38.898556, -77.037852, 38.897147, -77.043934);*/ System.out.println(obj.distance(38.898556, -77.037...
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Simplest way to profile a PHP script

... profiling. // Call this at each point of interest, passing a descriptive string function prof_flag($str) { global $prof_timing, $prof_names; $prof_timing[] = microtime(true); $prof_names[] = $str; } // Call this when you're done and want to see the results function prof_print() { ...
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ExecJS::RuntimeError on Windows trying to follow rubytutorial

... IO.popen(command, options) { |f| output = f.read } returning an empty string in execjs\external_runtine.rb (line 173 in version 1.4.0). This is why the error message contains no text. The changes suggested did not work for me. I changed UTF-16LE to UTF-8, but it still returned an empty string. ...
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R object identification

... str(UCTURE) hard to remember, 'cause I keep thinking "string" but oh, so useful. Will just have to say strUCTURE ten times. – Dmitri Aug 15 '15 at 1:01 ad...
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How many threads can a Java VM support?

...ust something like class DieLikeADog { public static void main(String[] argv){ for(;;){ new Thread(new SomeRunaable).start(); } } } (and don't complain about little syntax details, I'm on my first cup of coffee) then you should cert...
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How to do a scatter plot with empty circles in Python?

...rol the Collection properties; in particular: edgecolors: The string ‘none’ to plot faces with no outlines facecolors: The string ‘none’ to plot unfilled outlines Try the following: import matplotlib.pyplot as plt import numpy as np x = np.random.randn(60) y =...
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Removing the remembered login and password list in SQL Server Management Studio

...t.SqlServer.Management.UserSettings; class Program { static void Main(string[] args) { var settingsFile = new FileInfo(@"C:\Users\%username%\AppData\Roaming\Microsoft\SQL Server Management Studio\13.0\SqlStudio.bin"); // Backup our original file just in case... File...
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Why declare a struct that only contains an array in C?

... You can use struct to make a new type of data like string. you can define : struct String { char Char[MAX]; }; or you can create a List of data that you can use it by argument of functions or return it in your methods. The struct is more flexible than an array, because...
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Python: Append item to list N times

...why the first method is only a good idea for constant values, like ints or strings, is because only a shallow copy is does when using the <list>*<number> syntax, and thus if you did something like [{}]*100, you'd end up with 100 references to the same dictionary - so changing one of them...
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how to remove only one style property with jquery

... documentation for css() says that setting the style property to the empty string will remove that property if it does not reside in a stylesheet: Setting the value of a style property to an empty string — e.g. $('#mydiv').css('color', '') — removes that property from an element if it ...