大约有 44,800 项符合查询结果（耗时：0.0511秒） [XML]
Changing the “tick frequency” on x or y axis in matplotlib?
...rt numpy as np
import matplotlib.pyplot as plt
x = [0,5,9,10,15]
y = [0,1,2,3,4]
plt.plot(x,y)
plt.xticks(np.arange(min(x), max(x)+1, 1.0))
plt.show()
(np.arange was used rather than Python's range function just in case min(x) and max(x) are floats instead of ints.)
The plt.plot (or ax.plot...
Appending an element to the end of a list in Scala
...
List(1,2,3) :+ 4
Results in List[Int] = List(1, 2, 3, 4)
Note that this operation has a complexity of O(n). If you need this operation frequently, or for long lists, consider using another data type (e.g. a ListBuffer).
...
FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术
FAT32系统中长文件名的存储FAT32的一个重要的特点是完全支持长文件名。长文件名依然是记录在目录项中的。为了低版本的OS或程序能正确读取长文件名文件，系统自动为所...FAT32的一个重要的特点是完全支持长文件名。长文件名...
Convert columns to string in Pandas
...n (and therefore your keys to strings):
In [11]: df = pd.DataFrame([['A', 2], ['A', 4], ['B', 6]])
In [12]: df.to_json()
Out[12]: '{"0":{"0":"A","1":"A","2":"B"},"1":{"0":2,"1":4,"2":6}}'
In [13]: df[0].to_json()
Out[13]: '{"0":"A","1":"A","2":"B"}'
Note: you can pass in a buffer/file to save t...
Is there an easy way to create ordinals in C#?
...
21 Answers
21
Active
...
Convert a list to a data frame
I have a nested list of data. Its length is 132 and each item is a list of length 20. Is there a quick way to convert this structure into a data frame that has 132 rows and 20 columns of data?
...
How would I get a cron job to run every 30 minutes?
...
|
edited Sep 27 '11 at 13:45
Tim Cooper
138k3434 gold badges286286 silver badges249249 bronze badges
...
Can't install Ruby under Lion with RVM – GCC issues
... questions regarding this problem are due to missing Xcode; I have Xcode 4.2 installed.
16 Answers
...
How do you express binary literals in Python?
...
298
For reference—future Python possibilities:
Starting with Python 2.6 you can express binary l...
Request failed: unacceptable content-type: text/html using AFNetworking 2.0
I'm trying out the new version 2.0 of AFNetworking and I'm getting the error above. Any idea why this is happening? Here's my code:
...