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Adding a column to a data.frame

...according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column. ...
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Difference between doseq and for in Clojure

... 2 Answers 2 Active ...
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Map function in MATLAB?

...t your map function does for numeric arrays: >> y = arrayfun(@(x) x^2, 1:10) y = 1 4 9 16 25 36 49 64 81 100 There are two other built-in functions that behave similarly: cellfun (which operates on elements of cell arrays) and structfun (which operates on e...
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Most efficient way to store thousand telephone numbers

... the first m bits are 1...11 - this last count is 1000(decimal). There are 2^m such counts and each count is at most 1000. If we omit the last one (because we know it is 1000 anyway), we can store all of these numbers in a contiguous block of (2^m - 1) * 10 bits. (10 bits is enough for storing a num...
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git rebase, keeping track of 'local' and 'remote'

... 247 TL;DR; To summarize (As Benubird comments), when: git checkout A git rebase B # rebase ...
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c

... 233 This question is actually answered in Chapter 7 of the Pro Git book: Generally, eight to t...
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jQuery equivalent of JavaScript's addEventListener method

... answered Mar 7 '10 at 22:25 Russ CamRuss Cam 114k2929 gold badges187187 silver badges243243 bronze badges ...
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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?

...uild 1.6.0_07-b06"), and the HotSpot version (on mine, that's "build 10.0-b23, mixed mode"). I suspect the "11.0" you are seeing is the HotSpot version. Update: HotSpot is (or used to be, now they seem to use it to mean the whole VM) the just-in-time compiler that is built in to the Java Virtual M...
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switch() statement usage

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CocoaPods - use specific pod version

...macOS app. I have compilation errors with AFNetworking (current version, 1.2.1) and saw that these didn't exist in the previous version (1.2.0). ...