大约有 14,100 项符合查询结果（耗时：0.0207秒） [XML]
How to easily initialize a list of Tuples?
...e "Item1" and "Item2", you can do:
var tupleList = new List<(int Index, string Name)>
{
(1, "cow"),
(5, "chickens"),
(1, "airplane")
};
or for an array:
var tupleList = new (int Index, string Name)[]
{
(1, "cow"),
(5, "chickens"),
(1, "airplane...
Can someone explain the right way to use SBT?
...ies or ensure you are not missing required dependencies.
As a simple example, right now, I'm starting a brand new project. I want to use the latest features of SLICK and Scala and this will probably require the latest version of SBT. What is the sane point to get started, and why?
I think the...
Difference between application/x-javascript and text/javascript content types
...
text/javascript is obsolete, and application/x-javascript was experimental (hence the x- prefix) for a transitional period until application/javascript could be standardised.
You should use application/javascript. This is doc...
Literal suffix for byte in .NET?
...ike floats or doubles? I mean like 5f and 5d . Sure I could write byte x = 5 , but that's a bit inconsequential if you use var for local variables.
...
How to create a GUID/UUID in Python
...library/uuid.html
Python 3:
https://docs.python.org/3/library/uuid.html
Example (working on 2 and 3):
>>> import uuid
>>> uuid.uuid4()
UUID('bd65600d-8669-4903-8a14-af88203add38')
>>> str(uuid.uuid4())
'f50ec0b7-f960-400d-91f0-c42a6d44e3d0'
>>> uuid.uuid4().hex...
Length of an integer in Python
...conds. And Math.log10 method took only 7.486343383789062e-05 seconds, approximately 1501388 times faster!
– FadedCoder
Mar 19 '17 at 16:30
1
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Where can I learn how to write C code to speed up slow R functions? [closed]
...? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R?
...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...依赖项，记住，一定要把我们自己，也就是com.blogjava.youxia.rcp_start加进依赖项，否则会出错。最开始的时候，就是这么一点小问题，让我浪费了几天时间。
再点击添加必须的插件，自动添加其它的依赖项。
再下一...
Plotting time in Python with Matplotlib
..._demo1 link provided by J. K. Seppänen. The matplot lib documentation is excellent, BTW. matplotlib.sourceforge.net/index.html
– codeape
Oct 19 '09 at 13:53
14
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Detect if a NumPy array contains at least one non-numeric value?
...ce - the function should give the correct value regardless of ndim. As an extra complication the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array.
...