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How does IPython's magic %paste work?
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I think it depends on the environment from which you are doing the pasting and how you are doing the pasting? My colleague is using Windows 10's command prompt to SSH into our Linux host, opens ipython in a Docker container there and tries to paste already-indent...
Ideal Ruby project structure
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See the following example from http://guides.rubygems.org/what-is-a-gem/
% tree freewill
freewill/
├── bin/
│ └── freewill
├── lib/
│ └── freewill.rb
├── test/
│ └── test_f...
How to convert numbers between hexadecimal and decimal
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To convert from decimal to hex do...
string hexValue = decValue.ToString("X");
To convert from hex to decimal do either...
int decValue = int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber);
or
int decValue = Conve...
How to pass arguments to a Button command in Tkinter?
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This can also be done by using partial from the standard library functools, like this:
from functools import partial
#(...)
action_with_arg = partial(action, arg)
button = Tk.Button(master=frame, text='press', command=action_with_arg)
...
shell init issue when click tab, what's wrong with getcwd?
...ly occurs when your current directory does not exist anymore. Most likely, from another terminal you remove that directory (from within a script or whatever). To get rid of this, in case your current directory was recreated in the meantime, just cd to another (existing) directory and then cd back; t...
What is the relationship between the docker host OS and the container base image OS?
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The container's kernel is going to be the one from ubuntu, but nothing more. You can run easily centos, archlinux, debian or any other linux based distribution as containers.
– creack
Sep 18 '13 at 17:15
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git: Show index diff in commit message as comment
...script to generate few addition lines in diff format, but it got truncated from the first line
– Dennis C
Apr 8 '13 at 0:58
2
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Clang optimization levels
...-loop-accesses -loop-distribute -loop-vectorize -loop-load-elim -alignment-from-assumptions -strip-dead-prototypes -loop-sink -instsimplify -div-rem-pairs -verify -ee-instrument -early-cse -lower-expect
clang adds : -momit-leaf-frame-pointer
clang drops : -mdisable-fp-elim -mrelax-all
-O2 is based...
Python: List vs Dict for look up table
...he internal hashing implementation at what point the average time diverges from O(1) and starts converging on O(n). You can help the lookup performance by compartmentalizing the global sets into smaller sections based on some easily discernible attribute (like the value of the first digit, then the ...
Side-by-side plots with ggplot2
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You can use the following multiplot function from Winston Chang's R cookbook
multiplot(plot1, plot2, cols=2)
multiplot <- function(..., plotlist=NULL, cols) {
require(grid)
# Make a list from the ... arguments and plotlist
plots <- c(list(...), ...