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Expert R users, what's in your .Rprofile? [closed]
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Here are two functions I find handy for working with windows.
The first converts the \s to /.
.repath <- function() {
cat('Paste windows file path and hit RETURN twice')
x <- scan(what = "")
xa <- gsub('\\\\', '/', x)
writeClipboard(paste(xa, collapse=" "))
cat('Here\'s y...
Any reason not to use '+' to concatenate two strings?
... a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, but other implementations can't, so programmers a...
SQL - Query to get server's IP address
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If someone wants to login remotely into my computer's SQL server, then which IP do I give him ? local_net_address or client_net_address ?
– david blaine
May 8 '13 at 21:27
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SQLAlchemy: print the actual query
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very nice. but is it converting as below. 1) query(Table).filter(Table.Column1.is_(False) to WHERE Column1 IS 0. 2) query(Table).filter(Table.Column1.is_(True) to WHERE Column1 IS 1. 3) query(Table).filter(Table.Column1 == func.any([1,2,3])) to W...
How to print a dictionary line by line in Python?
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You could use the json module for this. The dumps function in this module converts a JSON object into a properly formatted string which you can then print.
import json
cars = {'A':{'speed':70, 'color':2},
'B':{'speed':60, 'color':3}}
print(json.dumps(cars, indent = 4))
The output looks...
Forcing a WPF tooltip to stay on the screen
...rrideMetadata(
typeof(DependencyObject), new FrameworkPropertyMetadata(Int32.MaxValue));
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How can I get the behavior of GNU's readlink -f on a Mac?
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You may be interested in realpath(3), or Python's os.path.realpath. The two aren't exactly the same; the C library call requires that intermediary path components exist, while the Python version does not.
$ pwd
/tmp/foo
$ ls -l
total ...
How to print the full NumPy array, without truncation?
When I print a numpy array, I get a truncated representation, but I want the full array.
18 Answers
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Can Python print a function definition?
In JavaScript, one can print out the definition of a function. Is there a way to accomplish this in Python?
7 Answers
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Using os.walk() to recursively traverse directories in Python
... to navigate from the root directory to all other directories within and print the same.
13 Answers
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