大约有 800 项符合查询结果(耗时:0.0089秒) [XML]

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What is the fastest way to get the value of π?

...rithm. Wikipedia mentions that when a and b are "close enough" then (a + b)² / 4t will be an approximation of π. I'm not sure what "close enough" means, but from my tests, one iteration got 2 digits, two got 7, and three had 15, of course this is with doubles, so it might have an error based on it...
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How to write “Html.BeginForm” in Razor

...t to add: @Html.AntiForgeryToken(); – Frédéric De Lène Mirouze Oct 24 '17 at 7:52  |  show 4 more comments ...
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What is the best django model field to use to represent a US dollar amount?

I need to store a U.S. $ dollar amount in a field of a Django model. What is the best model field type to use? I need to be able to have the user enter this value (with error checking, only want a number accurate to cents), format it for output to users in different places, and use it to calculate...
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Ruby: How to get the first character of a string

How can I get the first character in a string using Ruby? 13 Answers 13 ...
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How to change the font size on a matplotlib plot

... nice, except it override any fontsize property found on it's way è_é – yota Sep 25 '14 at 11:56 2 ...
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What's the pythonic way to use getters and setters?

...east a little bit of useful information." – Jean-François Corbett Mar 16 '17 at 15:11 7 How is t...
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How to reset db in Django? I get a command 'reset' not found error

... edited May 14 at 12:17 Håken Lid 15.9k77 gold badges3535 silver badges5555 bronze badges answered Aug 30 '13 at 22:06 ...
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Visual Studio popup: “the operation could not be completed”

...o output window == restart VS to fix). – Thomas Andreè Wang Jan 22 '16 at 13:45 I still prefer vs 2013 for some thing...
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Comparison of Lucene Analyzers

...hing like ["i", "be", "veri", "happi"] produced, and for French "Je suis très heureux" some kind of French analyzer (like SnowballAnalyzer, initialized with "French") will produce ["je", "être", "tre", "heur"]. Of course, if you will use analyzer of one language to stem text in another, rules from...
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How can I find out if I have Xcode commandline tools installed?

...since /usr/bin is usually in your PATH. – Samuel Lelièvre Jul 25 at 19:18 add a comment  |  ...