大约有 3,000 项符合查询结果(耗时:0.0187秒) [XML]

https://www.tsingfun.com/it/bigdata_ai/422.html 

MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...

...ongoexport工具可以把一个collection导出成JSON格式或CSV格式的文件,可以通过参数指定导出的数据项;mongoimport将相应文件导入到collection中。一、导出工具mongoexport Mongodb中的mongoexport工具可以把一个collection导出成JSON格式或CSV格式的...
https://www.tsingfun.com/it/os_kernel/2261.html 

BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...塞的,而采用select函数有个好处就是它可以同时监听多个文件句柄,从而提高系统的并发性! 异步非阻塞IO:在此种模式下,用户进程只需要发起一个IO操作然后立即返回,等IO操作真正的完成以后,应用程序会得到IO操作完成的...
https://stackoverflow.com/ques... 

Excel to CSV with UTF8 encoding [closed]

...hat has some Spanish characters (tildes, etc.) that I need to convert to a CSV file to use as an import file. However, when I do Save As CSV it mangles the "special" Spanish characters that aren't ASCII characters. It also seems to do this with the left and right quotes and long dashes that appear...
https://www.tsingfun.com/it/pr... 

简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术

... c)数据(包含在程序内部或外部) d)项目管理的有关文件、信息记录等 在实际项目中,我们如何识别配置项? a)《项目过程裁剪定义》中要产出的工作产品 b)源代码、可执行程序 c)数据(包含在程序内部或外部) d...
https://stackoverflow.com/ques... 

How does Stack Overflow generate its SEO-friendly URLs?

...to test for (sb.Length > = maxlen). – Henrik Stenbæk Mar 29 '12 at 13:14 ...
https://stackoverflow.com/ques... 

How do I sort unicode strings alphabetically in Python?

...->collating_element mapping. It does not handle things like expansions (æ sorted as "ae"), French accent sorting (letters sorted left-to-right, but accents right-to-left), rearrangement and probably a few more. Details here (full UCA feature set): unicode.org/reports/tr10 and here (locale collat...
https://stackoverflow.com/ques... 

How to make unicode string with python3

...te & vanilla cream\ud83d\ude0d\ud83d\ude0d❤️ Present Moment Cafè in St.Augustine❤️❤️ ' new_new_str = new_str.encode('utf-16', 'surrogatepass').decode('utf-16') print(new_new_str) >>> 'raw vegan chocolate cocoa pie w chocolate & vanilla cream????????❤️ Presen...
https://stackoverflow.com/ques... 

Remove accents/diacritics in a string in JavaScript

... With ES2015/ES6 String.prototype.normalize(), const str = "Crème Brulée" str.normalize("NFD").replace(/[\u0300-\u036f]/g, "") > "Creme Brulee" Two things are happening here: normalize()ing to NFD Unicode normal form decomposes combined graphemes into the combination of simple on...
https://www.tsingfun.com/it/tech/969.html 

淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...

...ssion服 务器后端再配有底层持久性数据源,比如数据库,文件系统等等。 二、有效使用缓存(Tair) 做互联网应用的兄弟应该都清楚,缓存对于一个互联网应用是多么的重要,从浏览器缓存,反向代理缓存,页面缓存,局部页面...
https://www.tsingfun.com/it/tech/1892.html 

csv文件用excel打开修改保存后,日期少了秒 - 更多技术 - 清泛网 - 专注C/C++及内核技术

csv文件用excel打开修改保存后,日期少了秒csv格式的日期打开默认是没有秒的,而且再次保存后秒回丢失,通过设置单元格自定义类型可以解决。选中单元格(或选中列)右键,设置单元格...csv格式的日期打开默认是没有秒的,而...