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E731 do not assign a lambda expression, use a def
...tead of the generic '<lambda>'.
This is more useful for tracebacks and string representations in
general. The use of the assignment statement eliminates the sole
benefit a lambda expression can offer over an explicit def statement
(i.e. that it can be embedded inside a larger expressio...
Controlling number of decimal digits in print output in R
...te a print function that ignored the options value. The built-in printing and formatting functions do use the options value as a default.
As to the second question, since R uses finite precision arithmetic, your answers aren't accurate beyond 15 or 16 decimal places, so in general, more aren't req...
When to use lambda, when to use Proc.new?
In Ruby 1.8, there are subtle differences between proc/lambda on the one hand, and Proc.new on the other.
14 Answers
...
server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
...ut it.
You need to check the web certificate used for your gitLab server, and add it to your </git_installation_folder>/bin/curl-ca-bundle.crt.
To check if at least the clone works without checking said certificate, you can set:
export GIT_SSL_NO_VERIFY=1
#or
git config --global http.sslver...
How to replace (or strip) an extension from a filename in Python?
...
Expanding on AnaPana's answer, how to remove an extension using pathlib (Python >= 3.4):
>>> from pathlib import Path
>>> filename = Path('/some/path/somefile.txt')
>>> filename_wo_ext = filename...
How would you make two s overlap?
...
I might approach it like so (CSS and HTML):
html,
body {
margin: 0px;
}
#logo {
position: absolute; /* Reposition logo from the natural layout */
left: 75px;
top: 0px;
width: 300px;
height: 200px;
z-index: 2;
}
#content {
m...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...ar-PYTHONPATH
What you're looking for is PATH.
export PATH=$PATH:/home/randy/lib/python
However, to run your python script as a program, you also need to set a shebang for Python in the first line. Something like this should work:
#!/usr/bin/env python
And give execution privileges to it:
...
How to find the largest file in a directory and its subdirectories?
We're just starting a UNIX class and are learning a variety of Bash commands. Our assignment involves performing various commands on a directory that has a number of folders under it as well.
...
Emacs: print key binding for a command or list all key bindings
...
C-h f (or M-x describe-function) will show you the bindings for a command.
You are correct, C-h b (or M-x describe-bindings) will show you all bindings. C-h m (M-x describe-mode) is also handy to list bindings by mode.
You might also try C-h k (M-x describe-key) to show what command is bound ...
How do I implement interfaces in python?
...cessary in Python. This is because Python has proper multiple inheritance, and also ducktyping, which means that the places where you must have interfaces in Java, you don't have to have them in Python.
That said, there are still several uses for interfaces. Some of them are covered by Pythons Abst...