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jQuery UI Sortable Position
... As an additional note, if you want to track where the moved item came from (move from position 0 to position 2) then you need to access the ui.item.index() value in the start event and store that value.
– David Boike
Apr 10 '12 at 14:23
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Python __str__ versus __unicode__
.... After that, then here is a functional example:
#! /usr/bin/env python
from future.utils import python_2_unicode_compatible
from sys import version_info
@python_2_unicode_compatible
class SomeClass():
def __str__(self):
return "Called __str__"
if __name__ == "__main__":
some_i...
How to avoid “if” chains?
...grammers. So clearly a win-win: decent code and somebody learned something from reading it.
– x4u
Jun 27 '14 at 12:11
24
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Order Bars in ggplot2 bar graph
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@Prasad the former was a leftover from testing so thanks for pointing that out. As far the latter, I prefer explicitly asking for the reversed sort than the - you use as it is far easier to get the intention from decreasing = TRUE than noticing the - in all t...
How to move a file?
...
After Python 3.4, you can also use pathlib's class Path to move file.
from pathlib import Path
Path("path/to/current/file.foo").rename("path/to/new/destination/for/file.foo")
https://docs.python.org/3.4/library/pathlib.html#pathlib.Path.rename
...
Convert floats to ints in Pandas?
I've been working with data imported from a CSV. Pandas changed some columns to float, so now the numbers in these columns get displayed as floating points! However, I need them to be displayed as integers, or, without comma. Is there a way to convert them to integers or not display the comma?
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Can promises have multiple arguments to onFulfilled?
...andard promise specification theres no clause preventing an implementation from handling this case - however its not implemented in the following libraries:
RSVP.promise (#L516-544)
Q promise (#787)
I assume the reason for them omiting multi arg resolves is to make changing order more succinct (...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...rgv[0][0] shall be the null character if the program name is not available from the host environment.
So no, it's only the program name if that name is available. And it "represents" the program name, not necessarily is the program name. The section before that states:
If the value of argc is ...
Mimicking sets in JavaScript?
...n the list:
if (A in obj) {
// put code here
}
Question 2: Delete 'A' from the list if it's there:
delete obj[A];
Question 3: Add 'A' to the list if it wasn't already there
obj[A] = true;
For completeness, the test for whether A is in the list is a little safer with this:
if (Object.prototyp...
How to save an HTML5 Canvas as an image on a server?
...art project where I would like to allow users to save the resulting images from an algorithm. The general idea is:
8 Answer...