大约有 2,100 项符合查询结果(耗时:0.0223秒) [XML]

https://www.tsingfun.com/ilife/tech/1930.html 

区块链技术到底是什么鬼,为何被疯炒? - 资讯 - 清泛网 - 专注C/C++及内核技术

...5月16晚媒体曝出:“区块链众筹项目DAO即将成为有史以来最大的众筹项目”。 区块链相关概念股票17日表现如下: (表1:区块链概念股17日涨跌幅) 事件2:5月25晚媒体曝出:“平安宣布加入全球区块链联盟R3,为首个来自中国...
https://bbs.tsingfun.com/thread-2956-1-1.html 

App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...

...编码: 1. MTU 是可协商的:BLE 4.2+ 支持协商更大的 MTU(最大512字节) 2. Android BLE 栈自动处理分片:gatt.writeCharacteristic() 会根据协商后的 MTU 自动分片 3. 硬编码过时了:这个值是 BLE 4.0 的最小 MTU,现代设备普遍支持更大的 MTU ...
https://www.tsingfun.com/it/cpp/2213.html 

tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...

...AIT。TCP协议规定TIME_WAIT状态会一直持续2MSL(即两倍的分 段最大生存期),以此来确保旧的连接状态不会对新连接产生影响。处于TIME_WAIT状态的连接占用的资源不会被内核释放,所以作为服务器,在可能的情 况下,尽量不要主动断...
https://www.fun123.cn/referenc... 

Camera 扩展:相机拍照和录像,程序控制拍照、自动拍照实现,而无需点击系...

... "缩放级别: " & (当前缩放 + 1) 否则 显示通知 "已达到最大缩放级别" 处理拍照结果 当 Camera1.拍照后 图片路径 设置 图片路径标签.文本 = "照片已保存: " & 图片路径 设置 图片组件.图片 = 图片路径 显示...
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Show Youtube video source into HTML5 video tag?

...L5, or flash, or some other plugin based on what is available on the users PC. This is why you are having a difficult time using the video tag with youtube videos. YouTube does offer a developer API to embed a youtube video into your page. I made a JSFiddle as a live example: http://jsfiddle.net/z...
https://www.tsingfun.com/it/os... 

【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...u; if (cork->length + length > maxnonfragsize - fragheaderlen) { //超过最大包长 ip_local_error(sk, EMSGSIZE, fl4->daddr, inet->inet_dport, mtu - (opt ? opt->optlen : 0)); return -EMSGSIZE; } /* * transhdrlen > 0 means that this is the first fragment and we wish * i...
https://www.tsingfun.com/ilife/idea/1862.html 

惨不忍睹:说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术

...苦了,老婆说,有你、有儿子、还有我们的亲人在,就是最大的幸福。   @一只飞翔的猪给嘞 :当年学徒的时候,每天早上吃一块钱馒头,然后早上起很早走路去,十块钱用了半个月,真的那会估计是最穷的时候,喝瓶饮料...
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How to get the groups of a user in Active Directory? (c#, asp.net)

... In my case the only way I could keep using GetGroups() without any expcetion was adding the user (USER_WITH_PERMISSION) to the group which has permission to read the AD (Active Directory). It's extremely essential to construct the PrincipalContext passing this user and password. var pc = new ...
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How to show and update echo on same line

...all example that you can run to understand its behaviour: #!/bin/bash for pc in $(seq 1 100); do echo -ne "$pc%\033[0K\r" sleep 1 done echo share | improve this answer | ...
https://www.tsingfun.com/it/da... 

MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...

...ry '...' for key ...' on query. 为啥会出现唯一索引键值重复?最大的可能是错误的对从服务器做了写操作!出现此类错误的时候,很多人会用sql_slave_skip_counter操作跳过错误,甚至有人写了脚本,如果有多个错误,就循环多次执行sql_s...