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Plot correlation matrix into a graph
...lattice)
#Build the horizontal and vertical axis information
hor <- c("214", "215", "216", "224", "211", "212", "213", "223", "226", "225")
ver <- paste("DM1-", hor, sep="")
#Build the fake correlation matrix
nrowcol <- length(ver)
cor <- matrix(runif(nrowcol*nrowcol, min=0.4), nrow=nr...
Displaying better error message than “No JSON object could be decoded”
... the case of having a comma after the last item in a list:
json.loads('[1,2,]')
....
ValueError: No JSON object could be decoded
which is not very descriptive. The same operation with simplejson:
simplejson.loads('[1,2,]')
...
simplejson.decoder.JSONDecodeError: Expecting object: line 1 column 5...
Inserting data into a temporary table
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12 Answers
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How to convert strings into integers in Python?
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632
int() is the Python standard built-in function to convert a string into an integer value. You ca...
Python script to copy text to clipboard [duplicate]
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vauhochzett
55544 silver badges2020 bronze badges
answered Jun 16 '12 at 12:35
robertrobert
27.8k88 gold badg...
How to find nth occurrence of character in a string?
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129
If your project already depends on Apache Commons you can use StringUtils.ordinalIndexOf, other...
How do I clone a subdirectory only of a Git repository?
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EDIT: As of Git 2.19, this is finally possible, as can be seen in this answer.
Consider upvoting that answer.
Note: in Git 2.19, only client-side support is implemented, server-side support is still missing, so it only works when cloning l...
Get item in the list in Scala?
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Use parentheses:
data(2)
But you don't really want to do that with lists very often, since linked lists take time to traverse. If you want to index into a collection, use Vector (immutable) or ArrayBuffer (mutable) or possibly Array (which is j...
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