大约有 4,500 项符合查询结果（耗时：0.0199秒） [XML]
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...he brutal force part I still need to use when I'm dealing with data from a csv, xls or other formats that I've faced using this algorithm. I think that the use of it only make sense when someone is trying to fit a function from a experimental or simulation data, and in my experience this data always...
18月磨出AXON天机 曾学忠做高端机 能为中兴品牌扛旗吗？ - 资讯 - 清泛网 -...
...中兴开始在公开渠道和线上渠道加码。
从今年上半年的数据看，转型效果显著。上半年，中兴中高端手机占比达到39%，公开渠道销售占比提升到42%，运营商渠道占比进一步下降；中兴终端的平均销售单价（ASP）同比提升了8.2%，...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
... 'Japan', '12,400']
The second mode is useful for delimited data such as CSV where repeated commas denote empty fields. For example:
>>> data = '''\
Guido,BDFL,,Amsterdam
Barry,FLUFL,,USA
Tim,,,USA
'''
>>> for line in data.splitlines():
print line.split(',')
['Guido', ...
马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...后端偷偷加了个公共接口，每拖延一次付款，就删几百条数据。最后甲方折服了。
四. 项目大，下班后夜里加班
当你接手的项目既大还急，不仅有前端网站，还有后台，搞不好还有Android，IOS（这么全才真是没sei了），让你这...
VC的陷阱，看哪些条款会威胁到创业者的利益 - 资讯 - 清泛网 - 专注C/C++及内核技术
...创业者一样的投资人，和把风投纯当投资的投资人。
因此，我们在期待天使投资人真的如天使般善心，愿意长期扶助创业企业的同时，也要明确地认识到，有些投资人是单纯追求财务上的收益最大化的。残酷但合理，毕竟创业...
与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处...
...一份字符串地址，因此再执行strcpy(node2.name,"Wendy");出现了数据不一致行的错误，两者的name全部都是Wendy,而年龄更新却是正确的。同样，由于共享同一份字符串地址，在析构函数中释放同一份内存两次，导致堆已损坏的错误。当...
What does CultureInfo.InvariantCulture mean?
... the user but between the application and some data format (e.g. an XML or CSV file). In that case you don't want to use CultureInfo.CurrentCulture because if formatting and parsing is done with different cultures it can break. In that case you want to use CultureInfo.InvariantCulture (which is base...
Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...45763672
//可知strtotime('now')返回的是时间戳
//也可是从数据库得到的时间戳
$time = time();
echo 'php格式化输出:<br />';
echo '昨天：'.date('Y-m-d H:i:s', strtotime('-1 day')).'<br />';
//date('Y-m-d H:i:s'),不写第二个参数，默认为当前时间...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升
...CX在C++程序中调用JavaScript及VBScript。效果截图：
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it'...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升
...CX在C++程序中调用JavaScript及VBScript。效果截图：
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it'...