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In Python, how do I iterate over a dictionary in sorted key order?
...ems() creates a list and therefore uses memory, whereas iteritems() essentially does not use memory. What to use mostly depend on the size of the dictionary. Furthermore, the automatic Python 2 to Python 3 conversion tool (2to3) automatically takes care of the conversion from iteritems() to items(),...
Is it possible to make a Tree View with Angular?
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I was really tired of people constantly commenting on this that the URL has my name in it ( and therefore it is plagiarism! ). That is unfortunately how jsfiddle works. If you fork something while you are logged in it retains your us...
How to find an available port?
...gain, and then open one again on the free port (by which time there is a small chance something else is now listening on that port.)
– Graham Edgecombe
Sep 4 '12 at 12:49
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How can I make my custom objects Parcelable?
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Do I have to actually implement the encoding/decoding parts if I only send them using LocalBroadcastManager? Is it enough to implement Parcelable and put as extra?
– JohnyTex
Feb 3 '16 at 13:29
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How can I get the max (or min) value in a vector?
... Yes you can. The standard library algorithms have been designed to generically work on iterators. Pointers are iterators too.
– sehe
Aug 14 '14 at 9:48
add a comment
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How do I add a simple onClick event handler to a canvas element?
... attaches a click event to the canvas element, and then pushes one shape (called an element in my code) to an elements array. You could add as many as you wish here.
The purpose of creating an array of objects is so we can query their properties later. After all the elements have been pushed onto t...
Plotting two variables as lines using ggplot2 on the same graph
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For a small number of variables, you can build the plot manually yourself:
ggplot(test_data, aes(date)) +
geom_line(aes(y = var0, colour = "var0")) +
geom_line(aes(y = var1, colour = "var1"))
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Mongod complains that there is no /data/db folder
...ere you can create the data directory in another location, but that's generally not a good idea, because it just slightly complicates things such as DB recovery, because you always have to specify the db-path manually. I wouldn't recommend doing that.
Edit:
the error message you're getting is ...
Border around tr element doesn't show?
...llapse: collapse;
}
JSFiddle.
The reason why it behaves this way is actually described pretty well in the specification:
There are two distinct models for setting borders on table cells in
CSS. One is most suitable for so-called separated borders around
individual cells, the other is suit...
What is the Swift equivalent of isEqualToString in Objective-C?
... === is identity operators whereas == is equality operator (by default call isEqual: on NSObject and its subclasses)
– Bryan Chen
Jun 7 '14 at 11:42
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