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How can I create a copy of an object in Python?
...eepcopy(c)
d.x[0] = 3
assert c.x == [1]
assert d.x == [3]
Documentation: https://docs.python.org/3/library/copy.html
Tested on Python 3.6.5.
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Hiding the scroll bar on an HTML page
...n the Presentation framework is responsible for rendering the scrollbars.
http://msdn.microsoft.com/en-us/library/ie/ms534393(v=vs.85).aspx
MSDN. Basic UI properties
W3C. About non-standard scrollbar properties
MSDN. .NET ScrollBar Class
WebKit
WebKit extensions related to scroll-bar customi...
How can I dynamically create derived classes from a base class
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How to efficiently concatenate strings in go
...r answers.
There is a library function in the strings package called Join:
http://golang.org/pkg/strings/#Join
A look at the code of Join shows a similar approach to Append function Kinopiko wrote: https://golang.org/src/strings/strings.go#L420
Usage:
import (
"fmt";
"strings";
)
func main(...
How to linebreak an svg text within javascript?
...o put your line breaks: you can use this nice function, that I found here:
http://bl.ocks.org/mbostock/7555321
That automatically does line breaks for long text svg for a given width in pixel.
function wrap(text, width) {
text.each(function() {
var text = d3.select(this),
words = tex...
Insert a line at specific line number with sed or awk
... has a wq command to save and quit, but old ed's don't.
Further reading: https://gnu.org/software/ed/manual/ed_manual.html
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How do you generate dynamic (parameterized) unit tests in python?
...ism.
Alternatively, you can also use inheritance as shown in this ticket: http://bugs.python.org/msg151444
GitHub relative link in Markdown file
...rk? Here's some Markdown for you.
Instead of an absolute link:
[a link](https://github.com/user/repo/blob/branch/other_file.md)
…you can use a relative link:
[a relative link](other_file.md)
and we'll make sure it gets linked to user/repo/blob/branch/other_file.md.
If you were...
Why is it slower to iterate over a small string than a small list?
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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