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Emulate ggplot2 default color palette

...this function: ggplotColours <- function(n = 6, h = c(0, 360) + 15){ if ((diff(h) %% 360) < 1) h[2] <- h[2] - 360/n hcl(h = (seq(h[1], h[2], length = n)), c = 100, l = 65) } Demonstrating this in barplot: y <- 1:3 barplot(y, col = ggplotColours(n = 3)) ...
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SQL error “ORA-01722: invalid number”

...ice that manually complete a field with "(null)" will give you that error. If the defaul is null and you don't complete it will auto-complete with (null) but it is not the same when you type it. – bogdan.rusu Aug 5 '15 at 8:37 ...
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Circular list iterator in Python

... is a better answer. This shows how you could write the same functionality if itertools isn't available :) – Jacob Krall May 1 '14 at 21:01 ...
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What is the minimum I have to do to create an RPM file?

... could be useful also a you, besides that it would better to do a TRUE RPM if you can. But i digress. So the a basic step for packaging your (binary) program is as follow - in which i suppose the program is toybinprog with version 1.0, have a conf to be installed in /etc/toybinprog/toybinprog.conf ...
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What is an xs:NCName type and when should it be used?

... NCName is non-colonized name e.g. "name". Compared to QName which is qualified name e.g. "ns:name". If your names are not supposed to be qualified by different namespaces, then they are NCNames. xs:string puts no restrictions on your names at all, but xs:NCName basically disallows ":" to appear i...
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乐高 EV3 实验06 - 屏幕表情与音效,让机器人有点性格 · App Inventor 2 中文网

...d = true } when 计时器1.Timer() { global 第几个 = 第几个 + 1 if 第几个 > length(音符) { 计时器1.TimerEnabled = false 标签_状态.Text = "弹完了" } else { EV3声音1.PlayTone(60, 音符[第几个], 250) 标签_状态.Text = join("第 ", 第几个, " 个音...
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Sorting arrays in NumPy by column

...n array with fields (a structured array). The "correct" way is quite ugly if you didn't initially define your array with fields... As a quick example, to sort it and return a copy: In [1]: import numpy as np In [2]: a = np.array([[1,2,3],[4,5,6],[0,0,1]]) In [3]: np.sort(a.view('i8,i8,i8'), ord...
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Descending order by date filter in AngularJs

... If you wanted a sort button you could replace true with sortDirection. Then in your scope set $scope.sortDirection = true. The click button would look like ng-click="sortDirection = !sortDirection" – mbo...
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Python add item to the tuple

... However if you note to OP to convert to list at the beginning, append items, and then at the very end convert to tuple then this is the best solution +1 – jamylak May 24 '13 at 9:04 ...
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What is a method group in C#?

...heses, again; overload resolution kicks in and you have unambiguously identified a method call. share | improve this answer | follow | ...