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How to rename a single column in a data.frame?
I know if I have a data frame with more than 1 column, I can use
20 Answers
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What are dictionary view objects?
...eritems() returns an iterator over the dictionary’s (key, value) pairs.
Now take the following example to see the difference between an interator of dict and a view of dict
>>> d = {"x":5, "y":3}
>>> iter = d.iteritems()
>>> del d["x"]
>>> for i in iter: print...
What is the difference between statically typed and dynamically typed languages?
...ed languages
A language is statically typed if the type of a variable is known at compile time. For some languages this means that you as the programmer must specify what type each variable is (e.g.: Java, C, C++); other languages offer some form of type inference, the capability of the type system...
Difference between DOMContentLoaded and load events
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Fyi, the same MDN link [now] also says: "Note: Stylesheet loads block script execution, so if you have a <script> after a <link rel="stylesheet" ...>, the page will not finish parsing - and DOMContentLoaded will not fire - until the styl...
Frame Buster Buster … buster code needed
...n will create a false anti anti anti ... (dunno how much anti we are up to now) lighbox div for itself presenting a phishing link or whatever ... tbc
– yunzen
Oct 1 '11 at 15:12
7
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How do I disable a href link in JavaScript?
...ds\n and spaces to just see the code folded and nice(for who? browser) and now are worrying about 7 bytes void(0) and/or a ;, o god.
– user2889419
Dec 30 '14 at 15:15
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Object.watch() for all browsers?
Please note that Object.Watch and Object.Observe are both deprecated now (as of Jun 2018).
8 Answers
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How to remove empty cells in UITableView? [duplicate]
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It's now tableView.tableFooterView = UIView(frame: CGRect.zero)
– Ryan Walton
Oct 27 '15 at 17:35
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How to stage only part of a new file with git?
I love git add --interactive . It is now part of my daily workflow.
5 Answers
5
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(Deep) copying an array using jQuery [duplicate]
...s:
var a =[[1], [2], [3]];
var b = a.slice();
b.shift().shift();
// a is now [[], [2], [3]]
Note that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value.
Likewise delete(b[0][0]) also causes a[0][0] to be deleted and b[0...