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What's wrong with using == to compare floats in Java?

...bs(sectionID - currentSectionID) < epsilon) where epsilon is a very small number like 0.00000001, depending on the desired precision. share | improve this answer | follo...
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Rails: convert UTC DateTime to another time zone

...e names of the ActiveSupport time zones by doing: ActiveSupport::TimeZone.all.map(&:name) # or for just US ActiveSupport::TimeZone.us_zones.map(&:name) share | improve this answer ...
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Why do some websites add “Slugs” to the end of URLs? [closed]

Many websites, including this one, add what are apparently called slugs - descriptive but as far as I can tell useless bits of text - to the end of URLs. ...
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How to access the first property of a Javascript object?

...ject.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this. share | ...
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Where are iOS simulator screenshots stored?

... For me, there's nothing in that folder. It's all on the Desktop. Not sure why? :/ – chakrit Feb 9 '12 at 6:21 ...
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How to write very long string that conforms with PEP8 and prevent E501

... Implicit concatenation might be the cleanest solution: s = "this is my really, really, really, really, really, really," \ " really long string that I'd like to shorten." Edit On reflection I agree that Todd's suggestion to use brackets rather than line continuation is better for all the reas...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

...ry variance in your estimates. If you have 100,000 instances, it doesn't really matter whether you choose an 80:20 split or a 90:10 split (indeed you may choose to use less training data if your method is particularly computationally intensive). Assuming you have enough data to do proper held-out t...
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Differences between socket.io and websockets

...ds can i conclude that the following statement is wrong? Socket.IO is actually more than a layer over WebSockets. – Pulak Kanti Bhattacharyya Aug 9 '14 at 15:18 3 ...
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Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]

...e error in Chrome after pasting code copied from jsfiddle. If you select all the code from a panel in jsfiddle and paste it into the free text editor Notepad++, you should be able to see the problem character as a question mark "?" at the very end of your code. Delete this question mark, then copy...
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How to tell if a string contains a certain character in JavaScript?

...tion does. There are a lot of people who don't understand regex, and generally the simpler answer is the best. – kemiller2002 Oct 13 '15 at 19:19 ...