大约有 43,300 项符合查询结果（耗时：0.0277秒） [XML]
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...
12 Answers
12
Active
...
Which is better, number(x) or parseFloat(x)?
...
318
The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, whil...
How to get the first line of a file in a bash script?
...
416
head takes the first lines from a file, and the -n parameter can be used to specify how many li...
What is the difference between HashSet and List?
...
215
Unlike a List<> ...
A HashSet is a List with no duplicate members.
Because a HashSet is...
How to loop through all but the last item of a list?
...
for x in y[:-1]
If y is a generator, then the above will not work.
share
|
improve this answer
|
follow
...
How can I trim leading and trailing white space?
...
13 Answers
13
Active
...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... = A + B log x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20, 50, 79])
>>> y = numpy.array([10, 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of...
Most efficient way to prepend a value to an array
...more efficient way of prepending to the array that would not require O(N + 1) steps?
9 Answers
...
How to find the largest file in a directory and its subdirectories?
...
15 Answers
15
Active
...