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Why does Math.round(0.49999999999999994) return 1?
... return (long)floor(a + 0.5d);
else
return 0;
}
1. http://docs.oracle.com/javase/6/docs/api/java/lang/Math.html#round%28double%29
2. http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6430675 (credits to @SimonNickerson for finding this)
3. http://docs.oracle.com/javas...
What is a .h.gch file?
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Its a GCC precompiled header.
Wikipedia has a half decent explanation, http://en.wikipedia.org/wiki/Precompiled_header
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Visual Studio - Shortcut to Navigate to Solution Explorer
Is there a keyboard shortcut in Visual Studio (aside from CTRL + TAB and selection) that would take me from inside a document directly into the solution explorer? I don't want to customize any shortcuts or change any default behavior.
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In .NET, which loop runs faster, 'for' or 'foreach'?
In C#/VB.NET/.NET, which loop runs faster, for or foreach ?
40 Answers
40
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How to change JFrame icon [duplicate]
... FileDownloaderNEW fd = new FileDownloaderNEW();
fd.download("http://icons.iconarchive.com/icons/artua/mac/512/Setting-icon.png", iconPath, false, false);
}
JFrame frm = new JFrame("Test");
ImageIcon imgicon = new ImageIcon(iconPath);
JButton bttn = new JButt...
How to tell if a string contains a certain character in JavaScript?
...our_string");
}
For the alpha numeric you can use a regular expression:
http://www.regular-expressions.info/javascript.html
Alpha Numeric Regular Expression
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Reverse Y-Axis in PyPlot
I have a scatter plot graph with a bunch of random x, y coordinates. Currently the Y-Axis starts at 0 and goes up to the max value. I would like the Y-Axis to start at the max value and go up to 0.
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Convert String array to ArrayList [duplicate]
I want to convert String array to ArrayList . For example String array is like:
5 Answers
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Is it safe to assume strict comparison in a JavaScript switch statement?
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http://qfox.nl/notes/110 answers your question. (This guy knows a lot about the nitty gritty of JavaScript)
Switches in Javascript use strict type checking (===). So you never
have to worry about coercion, which prevent...
Please explain the exec() function and its family
What is the exec() function and its family? Why is this function used and how does its work?
7 Answers
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