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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file.
One way to address this is to create a custom manual colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=runif(10),
grp = re...
Using a dictionary to count the items in a list [duplicate]
... 2.7 and 3.1 there is special Counter dict for this purpose.
>>> from collections import Counter
>>> Counter(['apple','red','apple','red','red','pear'])
Counter({'red': 3, 'apple': 2, 'pear': 1})
share
...
getenv() vs. $_ENV in PHP
...variable:
Via sapi_getenv (e.g. if it's getting the environment variable from Apache)
If on Windows, from GetEnvironmentVariableA.
If on non-Windows, from the getenv function provided by libc.
As far as I can tell, the only time when it will behave in a case-insensitive manner is on Windows beca...
Convert base-2 binary number string to int
...
Another way to do this is by using the bitstring module:
>>> from bitstring import BitArray
>>> b = BitArray(bin='11111111')
>>> b.uint
255
Note that the unsigned integer is different from the signed integer:
>>> b.int
-1
The bitstring module isn't a req...
jQuery .hasClass() vs .is()
... a preferred method of determining whether an element is assigned a class, from a performance standpoint?
4 Answers
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How do I make curl ignore the proxy?
...
I assume curl is reading the proxy address from the environment variable http_proxy and that the variable should keep its value. Then in a shell like bash, export http_proxy=''; before a command (or in a shell script) would temporarily change its value.
(See curl's m...
Java equivalent of C#'s verbatim strings with @
...
Coming from C# to Java it is quite often a step down in a lot of ways
– MikeKulls
Jul 25 '19 at 0:00
add a ...
Best way to disable button in Twitter's Bootstrap [duplicate]
...ting a btn to be visually disabled that also is preventing the click event from firing. In pure jQuery and HTML without Bootstrap 3, such as some of the fiddle examples, it appears to be a more complicated story. But this question was in context of Bootstrap.
– Greg
...
How to have comments in IntelliSense for function in Visual Studio?
...eparate file, you can apply source control to the documentation separately from the source code. One person can have the source code file checked out and someone else can have the documentation file checked out.
The <include> tag uses the XML XPath syntax. Refer to XPath documentation for ways...
How can I scale an image in a CSS sprite
...ricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
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