大约有 9,000 项符合查询结果（耗时：0.0192秒） [XML]
Boost程序库完全开发指南——深入C++“准”标准库高清PDF版 - 文档下载 - ...
...讲 operators 时，那个 class point，居然支持大小比较和加减操作，多少有点算概念没理清。如果实在要用这个例子，我觉得也许叫 class vector3d（三维矢量）更好一些。
最后，讲一下这本书我觉得比较不喜欢的地方。在我看来，既...
Is there a way to make R beep/play a sound at the end of a script?
...
@Mulone: works for me, MacOSX 10.11.1, R 3.2.2; you hear the faint "poump" sound.
– Benjamin
Nov 12 '15 at 0:32
6
...
Cartesian product of x and y array points into single array of 2D points
...
>>> numpy.transpose([numpy.tile(x, len(y)), numpy.repeat(y, len(x))])
array([[1, 4],
[2, 4],
[3, 4],
[1, 5],
[2, 5],
[3, 5]])
See Using numpy to build an array of all combinations of two arrays for a gene...
Firebug-like debugger for Google Chrome
...tool already built into Chrome. Just right click anywhere on a page and choose "Inspect element" from the menu. Chrome has a graphical tool for debugging (like in Firebug), so you can debug JavaScript. It also does CSS inspection well and can even change CSS rendering on the fly.
For more informati...
Sort NSArray of date strings or objects
...dited Apr 25 '13 at 7:17
Paras Joshi
19.8k1111 gold badges5353 silver badges6969 bronze badges
answered Oct 12 '10 at 9:25
...
How to get rid of Git submodules untracked status?
...t, the actual way to have a clean status would be to go into each one of those submodules and:
add and commit the untracked contents,
or reference the untracked contents in a .gitignore specific to each module.
or you can add the same ignored content to the submodule's .git/info/exclude, as peci...
multiple prints on the same line in Python
... That is probably more a function of the output buffering preformed by the OS for the process as a whole, which is not a python-specific problem. See stackoverflow.com/questions/107705 for a python-specific workaround.
– multipleinterfaces
Feb 20 '15 at 16:48
...
你不得不知道的6个用好大数据的秘诀 - 资讯 - 清泛网 - 专注C/C++及内核技术
...客户流失率建立了一个模型，由于大家缺少有效的沟通，操作团队认为这个模型“很有趣”，但是公司却认为这个模型没有任何意义。
“如果你的公司雇佣了一个数据研究小组，他们宣称自己建立了一个有效的模型，可是公司...
pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible
...
Answer applicable to pydot <= 1.0.28:
For anyone else who comes across this, it is due to the changes in pyparsing from 1.x to the 2.x release.
To install pydot using pip, first install the older version of pyparsing:
pip install pyparsing==1.5.7
pip install pydot==1.0.28
If you did not i...
Converting HTML files to PDF [closed]
...7, which is the last iText version with a permissive license---LGPL. mvnrepository.com/artifact/org.xhtmlrenderer/flying-saucer-pdf/…
– Jonathan Crosmer
Jan 14 '16 at 20:23
2
...