大约有 44,000 项符合查询结果（耗时：0.0726秒） [XML]
Principal component analm>y m>sis in Pm>y m>thon
...de. 13 m>y m>ears after its first public release, MDP has reached full maturitm>y m> m>and m> no new features are planned in the future.
– Gabriel
Oct 5 '16 at 18:42
...
Echo tab characters in bash script
...
That's because echo -e is not POSIX m>and m> make calls /bin/sh which is normallm>y m> not the program use use interactivelm>y m>, m>and m> normallm>y m> hasn't -e implemented. For portabilitm>y m>, use printf '\t' instead.
– Jo So
Oct 5 '12 at 19:02
...
Detect if a NumPm>y m> arram>y m> contains at least one non-numeric value?
...
This should be faster than iterating m>and m> will work regardless of shape.
numpm>y m>.isnan(mm>y m>arram>y m>).anm>y m>()
Edit: 30x faster:
import timeit
s = 'import numpm>y m>;a = numpm>y m>.arange(10000.).reshape((100,100));a[10,10]=numpm>y m>.nan'
ms = [
'numpm>y m>.isnan(a).anm>y m>()',
'anm>y m>(n...
How do m>y m>ou know what to test when writing unit tests? [closed]
... code, or a completelm>y m> new feature.
Start simple. Don’t go running off m>and m> trm>y m>ing to get m>y m>our head round
a testing framework as well as being
TDD-esque. Debug.Assert works fine.
Use it as a starting point. It doesn’t
mess with m>y m>our project or create
dependencies.
Start positive. m>Y m>o...
Avoiding an ambiguous match exception
...
Use this overload m>and m> use
returnTm>y m>pe.GetMethod("Parse", new [] {tm>y m>peof(string)})
share
|
improve this answer
|
fol...
Difference between Arram>y m> m>and m> List in scala
In what cases I should use Arram>y m>(Buffer) m>and m> List(Buffer). Onlm>y m> one difference that I know is that arram>y m>s are nonvariant m>and m> lists are covariant. But what about performance m>and m> some other characteristics?
...
VC MFC工具栏(CToolBar)控件 - C/C++ - 清泛网 - 专注C/C++及内核技术
VC MFC工具栏(CToolBar)控件工具栏工具栏控件在控件面板里没有对应的选项（图标），但有一个工具栏控件类CToolBar,所以我们如果要创建一个工具栏控件并显示在窗口里的 工具栏控件在控件面板里没有对应的选项（图标），但有...
How can I generate an MD5 hash?
...
The compute the hash bm>y m> doing one of:
Feed the entire input as a bm>y m>te[] m>and m> calculate the hash in one operation with md.digest(bm>y m>tes).
Feed the MessageDigest one bm>y m>te[] chunk at a time bm>y m> calling md.update(bm>y m>tes). When m>y m>ou're done adding input bm>y m>tes, calculate the hash with
md.digest().
The bm>y m>...
xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
xtreme toolkit pro——CXTPReportControl控件教程CXTPReportControl控件是xtreme toolkit pro中的一个控件，它用来显示表格，可以显示表头表尾，可以对各列排序，拖放，等等，，也可以对...CXTPReportControl控件是xtreme toolkit pro中的一个控件，它用...
Resm>y m>nc git repo with new .gitignore file
...gnore alreadm>y m>-tracked files":
git rm --cached `git ls-files -i --exclude-stm>and m>ard`
Bassim suggests in his edit:
Files with space in their paths
In case m>y m>ou get an error message like fatal: path spec '...' did not match anm>y m> files, there might be files with spaces in their path.
m>Y m>ou can remove all ...