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How to access random item in list?
...ough the original list in an ordered way.
– Johan Tidén
Aug 7 '13 at 12:24
5
...
Exception handling in R [closed]
...e it, but knows how to construct an
error and
diligently conveys his naiveté:
low_level_ABS <- function(x){
if(x<0){
#construct an error
negative_value_error <- structure(
# with class `negative_value`
class = c("negative_value",...
Bitwise operation and usage
...10 0101
1111 1111 << 4 gives 1111 0000
Note that the left shift in Python is unusual in that it's not using a fixed width where bits are discarded - while many languages use a fixed width based on the data type, Python simply expands the width to cater for extra bits. In order to get the dis...
Can I set subject/content of email using mailto:?
...e: you don't have to htmlescape the subject
– Oscar Pérez
Dec 9 '13 at 14:17
18
Note that W3C re...
Get array of object's keys
...oerce the following onto one line by the one-liner request, don't know how Pythonic it is though ;)
var keys = (function(o){var ks=[]; for(var k in o) ks.push(k); return ks})(foo);
share
|
improve...
pytest: assert almost equal
...thing that works not only with floats but for example Decimals you can use python's math.isclose:
# - rel_tol=0.01` is 1% difference tolerance.
assert math.isclose(actual_value, expected_value, rel_tol=0.01)
Docs - https://docs.python.org/3/library/math.html#math.isclose
...
Flatten nested dictionaries, compressing keys
...it to test for collections.MutableMapping to make it more generic. But for Python < 2.6, try..except is probably the best option.
– Imran
May 17 '11 at 7:55
...
Taskkill /f doesn't kill a process
...ked like a charm for my stuck npm
– Eduardo Elias Saléh
Apr 10 '18 at 8:19
1
Amazing, thanks so ...
How do I use itertools.groupby()?
...n't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this:
...
Common elements comparison between 2 lists
...ed by S.Mark and SilentGhost generally tell you how it should be done in a Pythonic way, but I thought you might also benefit from knowing why your solution doesn't work. The problem is that as soon as you find the first common element in the two lists, you return that single element only. Your solu...