大约有 30,000 项符合查询结果（耗时：0.0525秒） [XML]
Javascript equivalent of Python's zip function
...s above
(Do note that the ... syntax may have performance issues at this time, and possibly in the future, so if you use the second answer with variadic arguments, you may want to perf test it.)
Here's a oneliner:
function zip(arrays) {
return arrays[0].map(function(_,i){
return ar...
What do these words mean in Git: Repository, fork, branch, clone, track?
...k a project (take the source from someone's repository at certain point in time, and apply your own diverging changes to it), you would clone the remote repository to create a copy of it, then do your own work in your local repository and commit changes.
Within a repository you have branches, which...
How to get whole and decimal part of a number?
...
The floor() method doesn't work for negative numbers. This works every time:
$num = 5.7;
$whole = (int) $num; // 5
$frac = $num - $whole; // .7
...also works for negatives (same code, different number):
$num = -5.7;
$whole = (int) $num; // -5
$frac = $num - $whole; // -.7
...
Why can't Python find shared objects that are in directories in sys.path?
...module .so so that it automatically knows where to find the library at run time without having to have LD_LIBRARY_PATH set at run time.
share
|
improve this answer
|
follow
...
What is referential transparency?
... gave no lean amount of head ache to logicians and philosophers for a long time. Russell and Quine sorted them out saying that they are not actually "referential", i.e., it is a mistake to think that the above examples are used to refer to entities. The right way to understand "Edinburgh has been ...
How to use filter, map, and reduce in Python 3
.... Use functools.reduce() if you really need it; however, 99 percent of the time an explicit for loop is more readable.
[...]
share
|
improve this answer
|
follow
...
Pandas count(distinct) equivalent
...
Interestingly enough, very often len(unique()) is a few times (3x-15x) faster than nunique().
share
|
improve this answer
|
follow
|
...
Python extract pattern matches
Python 2.7.1
I am trying to use python regular expression to extract words inside of a pattern
9 Answers
...
Lists: Count vs Count() [duplicate]
...od has some type check optimizations that can cause it to run also in O(1) time but will degrade to O(N) if the underlying collection is not one of the few types it knows about.
share
|
improve this...
SQL command to display history of queries
...essed or that they are unordered? And, does the log update it self in real time?
– Drubio
Feb 13 '19 at 11:48
add a comment
|
...