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FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术

FAT32系统中长文件名的存储FAT32的一个重要的特点完全支持长文件名。长文件名依然记录在目录项中的。为了低版本的OS或程序能正确读取长文件名文件,系统自动为所...FAT32的一个重要的特点完全支持长文件名。长文件名...
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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网

...标识符。然后,接收器会过滤掉它感兴趣的设备。 问题:App Inventor 没有内置 UDP,而且我找不到可用的扩展。所以自己动手吧。 注意: 如果智能手机和远程站位于同一个(本地)网络中,则扩展可以完美运行。如果智能手...
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How to determine equality for two JavaScript objects?

... 186 The short answer The simple answer is: No, there is no generic means to determine that an obje...
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Why is there no xrange function in Python3?

... But does it really matter? Check this out, with 3.3.0 64-bit again: In [86]: %timeit [x for x in range(10000000) if x%4 == 0] 1 loops, best of 3: 3.65 s per loop So, building the list takes more than twice as long than the entire iteration. And as for "consumes much more resources than Python...
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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...相关的语句 必须具有DBA 的权限 虽然这条语句很普通 但需要的时候很管用 能够及时查出一个人执行sql语句情况 -------oracle 查看已经执行过的sql 这些存在共享池中的 ---------> select * from v$sqlarea t order by t.LAST_ACTIVE_TIME desc ...
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Performance differences between debug and release builds

...ps the register allocator make better decisions. It is a big deal in the x86 jitter because it has few registers to work with. Having it select the right ones is critical to perf. These are very important optimizations that can make a great deal of difference when, for example, you profile the D...
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App Inventor 2 LLMAI2Ext 自研拓展:接入DeepSeek、Kimi、通义千问...等国...

...拓展的初衷 App Inventor 2 原生的ChatGPT组件由于国外的,使用起来不太便捷,且各种限制。 如今我们又身处AI浪潮之中,包括很多学校在内的国内用户都有AI结合传统的App来开发具有智能App的需求,因此,必须开发拓...
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

... 图片摘自Mahout in Action 从上图中我们可以看到,算法被模块化的,通过1,2,3,4的过程进行方法调用。 程序代码: public class UserCF { final static int NEIGHBORHOOD_NUM = 2; final static int RECOMMENDER_NUM = 3; public static void main...
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)

...that start command prompt as admin and enter command: "C:\Program Files (x86)\MySQL\MySQL Server 5.1\bin\mysqld" --install If you get "service successfully installed" message then you need to start the MySQL service. To do that: go to Services window (Task Manager -> Services -> Open Servic...
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...

...下我们能否实现这个系统目标?当然如果有更好的硬件不这个文章阐述的内容。现通过采集、存储来说明一下如何实现: 一、采集,目标在一个小时内把30万关键词对应的数据从四大微博采集下来,能够使用的机器配置就...