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Compute a confidence interval from sample data

...rd deviation via NormalDist.mean and NormalDist.stdev. Compute the Z-score based on the standard normal distribution (represented by NormalDist()) for the given confidence using the inverse of the cumulative distribution function (inv_cdf). Produces the confidence interval based on the sample's stan...
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What is the reason for having '//' in Python? [duplicate]

...0.666666666667 As you see, single / may floor, or it may return a float, based on completely non-local issues, up to and including the value of the -Q flag...;-). So, if and when you know you want flooring, always use //, which guarantees it. If and when you know you don't want flooring, slap a f...
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Android Studio rendering problems

...in styles.xml file I changed "Theme.AppCompat.Light.DarkActionBar" to "Base.Theme.AppCompat.Light.DarkActionBar" It's some kind of hack I came across a long time ago to solve similar rendering problems in previous Android Studio versions. ...
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Understanding what 'type' keyword does in Scala

...e-checking is performed. But you can also have something like this trait Base { type T def method: T } class Implementation extends Base { type T = Int def method: T = 42 } Like any other member of a class, type members can also be abstract (you just don't specify what their value act...
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淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...

...时候我们就需要避免采用数据的ACID事 务策略,转而采用BASE事 务策略,BASE事 务策略是基本可用性,事务软状态以及最终一致性的缩写,通过BASE事务策略,我们可以通过最终一致性来提升系统的可用性,这也是目前很多NOSQL产品...
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Should Github be used as a CDN for javascript libraries? [closed]

...tag or commit hash in the URL (not a branch). Files are cached permanently based on the URL. rawgit.com – Kerem Baydoğan May 2 '16 at 12:10 add a comment  |...
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Haskell testing workflow

...eal with cabal test and cabal bench, mixing HUnit, doctest, and quickcheck based tests with criterion benchmarks. The code in speculation predates cabal test and cabal bench. – Edward KMETT Nov 2 '12 at 17:02 ...
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How to set layout_gravity programmatically?

... Also to add on that gravity auto-margins (for lack of a better term) based on the LinearLayout parent's orientation. The article link provided will help. – Uknight Nov 12 '12 at 10:25 ...
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What's the difference between @Component, @Repository & @Service annotations in Spring?

...ns, i.e. translating technology-specific exceptions to more generic Spring-based ones, to avoid tight coupling. – stivlo Mar 20 '15 at 11:50 ...
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Parser for C#

...is that we have less informations about line and file (the informations is based on .pdb file, and Pdb contains lines informations only for methods) I personnaly recommend Mono.Cecil and NRefactory. share | ...