大约有 2,945 项符合查询结果(耗时:0.0381秒) [XML]

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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting

...* exp(0.0601 * x) = 4.12 * exp(0.0601 * x) # (^ not so biased) Note that Excel, LibreOffice and most scientific calculators typically use the unweighted (biased) formula for the exponential regression / trend lines. If you want your results to be compatible with these platforms, do not include the...
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

...ctly interpret the statements as "splits a line into fields". Microsoft Excel's text-to-columns tool made a similar API choice and incorporates both splitting algorithms in the same tool. People seem to mentally model field-splitting as a single concept even though more than one algorithm is invo...
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Declaring variables inside loops, good practice or bad practice?

... This is excellent practice. By creating variables inside loops, you ensure their scope is restricted to inside the loop. It cannot be referenced nor called outside of the loop. This way: If the name of the variable is a bit "gene...
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kernel stack and user space stack

... Excellent answers FrankH. Thanks. – kumar Jul 8 '13 at 15:25 1 ...
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Manually raising (throwing) an exception in Python

...a bare Exception is absolutely not the right thing to do; see Aaron Hall's excellent answer instead. Can't get much more pythonic than this: raise Exception("I know python!") See the raise statement docs for python if you'd like more info. ...
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John Carmack's Unusual Fast Inverse Square Root (Quake III)

...ite being mathematically much 'purer'. He couldn't explain why id's was so excellent iirc. share | improve this answer | follow | ...
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How do RVM and rbenv actually work?

... Thank you for taking the time to give such an excellent answer. – superluminary Feb 29 '12 at 11:18 2 ...
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What are the functional differences between NW.js, Brackets-Shell and Electron?

...l Hotkeys, Protocol Handler Support (that I've seen so far) Extensibility: Excellent Node.js integration, both the client and server can "require" Node.js modules and natives. I've also successfully tested Bower libraries (incl jQuery) without issue. Architecture: Covered in the other points, but i...
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source of historical stock data [closed]

...k, all ticks as they have happened at all exchanges) one "affordable", yet excellent option is Nanex. They'll actually ship you a drive with terabytes of data. If I remember right its about $3k-4K per year of data. But trust me, once you understand how hard it is to get good intraday data, you won't...
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Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)

... Fantástico! Thank you very much for this excellent contribution, I had tried to do the same thing many times but I never got such a perfect result. – Leodev Jun 10 '18 at 17:09 ...