大约有 43,000 项符合查询结果（耗时：0.0666秒） [XML]
How to split a delimited string in Ruby and convert it to an array?
...
>> "1,2,3,4".split(",")
=> ["1", "2", "3", "4"]
Or for integers:
>> "1,2,3,4".split(",").map { |s| s.to_i }
=> [1, 2, 3, 4]
Or for later versions of ruby (>= 1.9 - as pointed out by Alex):
>> "1,2,3,4".spli...
Combined area of overlapping circles
... Spooky
2,79977 gold badges2222 silver badges3939 bronze badges
answered Nov 3 '09 at 14:47
Ants AasmaAnts Aasma
45.7k1212 ...
Centering the pagination in bootstrap
...
Bootstrap has added a new class from 3.0.
<div class="text-center">
<ul class="pagination">
<li><a href="?p=0" data-original-title="" title="">1</a></li>
<li><a href="?p=1" data-original-title=""...
How to remove the first Item from a list?
I have the list [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this?
10 Answers
...
Array slices in C#
...
13
Note using Array.Copy performs a lot faster than using LINQ's Take or Skip methods.
– Michael
Jun 23 ...
String.format() to format double in java
...
answered Feb 3 '11 at 11:04
David TangDavid Tang
84.3k2828 gold badges156156 silver badges144144 bronze badges
...
What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...ies(df.Letter.values,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}
Speed comparion (using Wouter's method)
In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loo...
In c# is there a method to find the max of 3 numbers?
Like Math.Max but takes 3 or params of int?
10 Answers
10
...
Generate 'n' unique random numbers within a range [duplicate]
...
396
If you just need sampling without replacement:
>>> import random
>>> random...
Open and write data to text file using Bash?
...
|
edited Nov 13 '14 at 18:40
Martin Tournoij
22.1k1717 gold badges8585 silver badges116116 bronze badges
...