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Regex to validate password strength

...itive look ahead assertions: ^(?=.*[A-Z].*[A-Z])(?=.*[!@#$&*])(?=.*[0-9].*[0-9])(?=.*[a-z].*[a-z].*[a-z]).{8}$ Rubular link Explanation: ^ Start anchor (?=.*[A-Z].*[A-Z]) Ensure string has two uppercase letters. (?=.*[!@#$&*]) Ensure string ha...
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MySQL Update Inner Join tables query

I have no idea what the problem is. Using MySQL 5.0 I get a compile error when attempting to run the following MySQL update query: ...
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How to deal with floating point number precision in JavaScript?

...st irritated that their programs don't work correctly with numbers like 1/10 without realizing that they wouldn't even blink at the same error if it occurred with 1/3. If the first point really applies to you, use BigDecimal for JavaScript, which is not elegant at all, but actually solves the probl...
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How to scale SVG image to fill browser window?

... How about: html, body { margin:0; padding:0; overflow:hidden } svg { position:fixed; top:0; bottom:0; left:0; right:0 } Or: html, body { margin:0; padding:0; overflow:hidden } svg { position:fixed; top:0; left:0; height:100%; width:100% } I have an ex...
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Can I change the viewport meta tag in mobile safari on the fly?

...]"); viewport.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0'); Just change the parts you need and Mobile Safari will respect the new settings. Update: If you don't already have the meta viewport tag in the source, you can append it directly wi...
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Change column type from string to float in Pandas

... +200 You have four main options for converting types in pandas: to_numeric() - provides functionality to safely convert non-numeric types...
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How do I create test and train samples from one dataframe with pandas?

...ering how I would be able to split the dataframe into two random samples (80% and 20%) for training and testing. 23 Answers...
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How to create a sequence of integers in C#?

... 206 You can use Enumerable.Range(0, 10);. Example: var seq = Enumerable.Range(0, 10); MSDN page ...
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How to reshape data from long to wide format

... answered May 4 '11 at 23:20 ChaseChase 59.5k1515 gold badges131131 silver badges157157 bronze badges ...
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

... +150 I've done this exact task before. But it was mainly to measure power consumption and CPU temperatures. The following code (which is fa...