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“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?

Is there an algorithm to estimate the median, mode, skewness, and/or kurtosis of set of values, but that does NOT require storing all the values in memory at once? ...
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What is the correct answer for cout

...en updated. In particular: In a shift operator expression E1<<E2 and E1>>E2, every value computation and side-effect of E1 is sequenced before every value computation and side effect of E2. Which means that it requires the code to produce result b, which outputs 01. See P0145R3 Re...
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Restoring MySQL database from physical files

... this is true only for MyISAM tables. InnoDB stores its tables and indexes in a single tablespace *, which by default consist of the 3 files ibdata1, ib_logfile0, and ib_logfile1. for restoring a database, you would also need those files. * per-table tablespaces are possible, but not de...
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Bin size in Matplotlib (Histogram)

...specified by list of N+1 values where the first N give the lower bin edges and the +1 gives the upper edge of the last bin. Code: from numpy import np; from pylab import * bin_size = 0.1; min_edge = 0; max_edge = 2.5 N = (max_edge-min_edge)/bin_size; Nplus1 = N + 1 bin_list = np.linspace(min_edge...
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Installing PDO driver on MySQL Linux server

...long ago, to change my code to use PDO in order to parameterize my queries and safely save HTML in the database. 6 Answers ...
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What's the difference between a web site and a web application? [closed]

I'm stumped trying to come up to a difference between a website and a web application for myself. As I see it, a web site points to a specific page and a web application is more of some sort of 'portal' to content and information. ...
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What is the difference between inversedBy and mappedBy?

I am developing my application using Zend Framework 2 and Doctrine 2. 4 Answers 4 ...
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?

... I'm trying to understand this system. So here is a question: What if a new release has a feature and a bug fix, what should I increment? – iTurki Jul 16 '13 at 19:36 ...
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How can I use numpy.correlate to do autocorrelation?

I need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself. ...
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How do I check that a number is float or integer?

...0; } Update 2019 5 years after this answer was written, a solution was standardized in ECMA Script 2015. That solution is covered in this answer. share | improve this answer | ...