大约有 9,000 项符合查询结果(耗时:0.0138秒) [XML]

https://bbs.tsingfun.com/thread-2106-1-1.html 

蓝牙扫描权限求高手解答 - App应用开发 - 清泛IT社区,为创新赋能!

用BL时发现要获得蓝牙扫描权限,请问哪位高手能帮忙解决该问题,不甚感激!硬件子板块第一篇帖子:https://bbs.tsingfun.com/thread-2104-1-1.html
https://bbs.tsingfun.com/thread-2326-1-1.html 

低频率蓝牙发送报文报错,报错内容和程序如下。麻烦老师们帮忙解决一下 - A...

低频率蓝牙发送报文报错,报错内容和程序如下。麻烦老师们帮忙解决一下 值是一个字节列表,不是文本。 utf16  参数建议 “假”。
https://www.tsingfun.com/it/bigdata_ai/335.html 

MongoDB副本集详解 优于以往主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

... 相对于传统主从模式优势 传统主从模式,需要手工指定集群中Master。 如果Master发生故障,一般都是人工介入,指定Master。 这个过程对于应用一般不是透明,往往伴随着应用重新修改配置文件,重启应用服务器...
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【Mysql】报mysqli_real_connect(): (HY000/2002)错误 - 数据库(内核) - 清...

...li_real_connect(): (HY000/2002)错误原因分析:手动编译安装mysql指定位置后,所有mysql文件都在指定目录或者data目录下面,而php默认只会通过 temp mysql.sock路径寻找soc...原因分析: 手动编译安装mysql指定位置后,所有mysql文件都...
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...

...个collection导出成JSON格式或CSV格式文件,可以通过参数指定导出数据项;mongoimport将相应文件导入到collection中。一、导出工具mongoexport Mongodb中mongoexport工具可以把一个collection导出成JSON格式或CSV格式文件。可以通过参数...
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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)

I would like an efficient utility to generate unique sequences of bytes. UUID is a good candidate but UUID.randomUUID().toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string. ...
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When are you truly forced to use UUID as part of the design?

I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible. ...
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Example of UUID generation using Boost in C++

I want to generate just random UUID's, as it is just important for instances in my program to have unique identifiers. I looked into Boost UUID , but I can't manage to generate the UUID because I don't understand which class and method to use. ...
https://www.tsingfun.com/ilife/tech/1138.html 

唱吧CEO陈华:创业初期不要找最贵人 - 资讯 - 清泛网 - 专注C/C++及内核技术

...常浪费时间和精力。 我原来做酷讯时,酷讯有个火车票搜索引擎,非常强大,我们想这个引擎这么好用,是不是可以做别生意呢?当时想到做租房搜索、二手车搜索、餐馆搜索、机票搜索等,这就是信心膨胀导致,最后造...
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Is there a method to generate a UUID with go language

...urns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though. If you are on linux, you can alternatively call /usr/bin/uuidgen. package main import ( "fmt" "log" "os/exec" ) func main...