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How to save a plot as image on the disk?
...p(), pdf() or similar
Plot your model
Close the device using dev.off()
Some example code for saving the plot to a png file:
fit <- lm(some ~ model)
png(filename="your/file/location/name.png")
plot(fit)
dev.off()
This is described in the (combined) help page for the graphical formats ?png, ?...
Random alpha-numeric string in JavaScript? [duplicate]
What's the shortest way (within reason) to generate a random alpha-numeric (uppercase, lowercase, and numbers) string in JavaScript to use as a probably-unique identifier?
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How do I get the full path to a Perl script that is executing?
I have Perl script and need to determine the full path and filename of the script during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't ...
How do I create a variable number of variables?
...': 2, 'x': 1, 'z': 3}
>>> dct["y"]
2
You can use variable key names to achieve the effect of variable variables without the security risk.
>>> x = "spam"
>>> z = {x: "eggs"}
>>> z["spam"]
'eggs'
For cases where you're thinking of doing something like
var1 = ...
Deserializing JSON data to C# using JSON.NET
...bject>(string json);
Create your classes on JSON 2 C#
Json.NET documentation: Serializing and Deserializing JSON with Json.NET
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twitter bootstrap typeahead ajax example
...m trying to find a working example of the twitter bootstrap typeahead element that will make an ajax call to populate it's dropdown.
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...enders thousands of points in a zoomable, pannable graph. The current implementation, using Protovis, is underperformant. Check it out here:
...
Why are const parameters not allowed in C#?
... looks strange especially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that its state will not be changed in the method. There are also other C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. Bu...
Where does Vagrant download its .box files to?
...
As mentioned in the docs, boxes are stored at:
Mac OS X and Linux: ~/.vagrant.d/boxes
Windows: C:/Users/USERNAME/.vagrant.d/boxes
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How to print Unicode character in Python?
...ke this are Unicode-type variables, as described in the Python Unicode documentation.
If running the above command doesn't display the text correctly for you, perhaps your terminal isn't capable of displaying Unicode characters.
For information about reading Unicode data from a file, see this answ...