大约有 43,500 项符合查询结果（耗时：0.0398秒） [XML]
In c# is there a method to find the max of 3 numbers?
...
142
Well, you can just call it twice:
int max3 = Math.Max(x, Math.Max(y, z));
If you find yoursel...
What would cause an algorithm to have O(log n) complexity?
...
290
I have to agree that it's pretty weird the first time you see an O(log n) algorithm... where o...
Weighted random numbers
...e items have individual weights:
1) calculate the sum of all the weights
2) pick a random number that is 0 or greater and is less than the sum of the weights
3) go through the items one at a time, subtracting their weight from your random number, until you get the item where the random number is ...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...
2 Answers
2
Active
...
Iterating over Java collections in Scala
...
28
There is a wrapper class (scala.collection.jcl.MutableIterator.Wrapper). So if you define
imp...
Sorting arrays in NumPy by column
...ck example, to sort it and return a copy:
In [1]: import numpy as np
In [2]: a = np.array([[1,2,3],[4,5,6],[0,0,1]])
In [3]: np.sort(a.view('i8,i8,i8'), order=['f1'], axis=0).view(np.int)
Out[3]:
array([[0, 0, 1],
[1, 2, 3],
[4, 5, 6]])
To sort it in-place:
In [6]: a.view('i8,i8...
How to make lists contain only distinct element in Python? [duplicate]
...
278
The simplest is to convert to a set then back to a list:
my_list = list(set(my_list))
One d...
Centering the pagination in bootstrap
...t;
<li><a href="?p=1" data-original-title="" title="">2</a></li>
</ul>
</div>
Bootstrap 4 has new class
<div class="text-xs-center">
<ul class="pagination">
<li><a href="?p=0" data-original-title="" title="">1&l...
How to pip install a package with min and max version range?
... install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ).
...
Write a number with two decimal places SQL server
...
218
try this
SELECT CONVERT(DECIMAL(10,2),YOURCOLUMN)
...