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What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
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How do I verify/check/test/validate my SSH passphrase?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
What is the best way to do GUIs in Clojure?
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making Swing fun? They said it wasn't possible!
– Michael Bylstra
Jan 26 '13 at 4:15
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How do 20 questions AI algorithms work?
...get there you can click on the code link to see it: openbookproject.net/py4fun/animal/animal.html
– Noctis Skytower
Jul 1 '10 at 22:49
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Multiple cases in switch statement
...e(11,20).Contains(c))
DoAnotherThing();
But I think we can have more fun: since you won't need the return values and this action doesn't take parameters, you can easily use actions!
public static void MySwitchWithEnumerable(int switchcase, int startNumber, int endNumber, Action action)
{
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How can I create an object and add attributes to it?
...to make a "bunch class", a very simple one already exists in Python -- all functions can have arbitrary attributes (including lambda functions). So, the following works:
obj = someobject
obj.a = lambda: None
setattr(obj.a, 'somefield', 'somevalue')
Whether the loss of clarity compared to the ven...
Are fluid websites worth making anymore? [closed]
...I've designed both, and I don't prefer one over the other.
Although, it's fun to watch the boxes move around as I play with the browser size with a fluid layout, but I can be easily amused.
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Disable browsers vertical and horizontal scrollbars
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123
function reloadScrollBars() {
document.documentElement.style.overflow = 'auto'; // firefo...
How can building a heap be O(n) time complexity?
...d you mean to start at the bottom of the heap?
– aste123
Dec 16 '15 at 18:14
4
@aste123 No, it is...
程序员羊皮卷下载版.pdf - 文档下载 - 清泛网 - 专注C/C++及内核技术
...型的三种选择
121 MBA 的几个问题
122 一个假设换回18 万
123 公司对我有恩，离职怎么说得出口
125 找马时，我被“驴”发现了
126 被“驴”开除的Ivy
127 被“驴”加薪留下的Lion
128 左右逢源的Jack
130 第10 章 职场政治
130 有人...