大约有 3,000 项符合查询结果（耗时：0.0205秒） [XML]
MQTT接入EasyIoT平台 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...。
新建一个订阅主题。
代码差别主要在：地址、端口不同，且使用用户名、密码认证（这里仅仅是演示，隐藏了部分，以实际为准），订阅主题使用上面新建的。
What is the easiest way to duplicate an activerecord record?
...nswered Sep 15 '08 at 13:36
François BeausoleilFrançois Beausoleil
15.2k1111 gold badges6262 silver badges8282 bronze badges
...
What is Data Transfer Object?
What is a Data Transfer Object?
8 Answers
8
...
Hashing a string with Sha256
... answered May 18 at 19:26
Erçin DedeoğluErçin Dedeoğlu
3,22944 gold badges3434 silver badges5656 bronze badges
...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
...answered Aug 7 '17 at 16:10
François ZaninottoFrançois Zaninotto
4,2252727 silver badges4444 bronze badges
...
invalid context 0x0 under iOS 7.0 and system degradation
I've read as many search results I could find on this dreaded problem, unfortunatelly, each one seems to focus on a specific function call.
...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
iOS开发调试技巧总结对于软件开发而言，调试是必须学会的技能，重要性不言而喻。对于调试的技能，基本上是可以迁移的，也就是说你以前在其他平台上掌握的很多调...对于软件开发而言，调试是必须学会的技能，重要性不言...
Accessing localhost:port from Android emulator
...
You can access your host machine with the IP address "10.0.2.2".
This has been designed in this way by the Android team. So your webserver can perfectly run at localhost and from your Android app you can access it via "http://10.0.2.2:<hostport>".
If your em...
Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...加入以下代码：
PS1="`whoami`@`hostname`:"'[$PWD]'
history
USER_IP=`who -u am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`
if [ "$USER_IP" = "" ]
then
USER_IP=`hostname`
fi
if [ ! -d /tmp/dbasky ]
then
mkdir /tmp/dbasky
chmod 777 /tmp/dbasky
fi
if [ ! -d /tmp/dbasky/${LO...
phpcms v9与ucenter通信失败 完美解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...装路径，视实际情况而定，最后不要带斜线）
应用 IP：（选填，正常情况下留空即可。如果由于域名解析问题导致 UCenter 与该应用通信失败，请尝试设置为该应用所在服务器的 IP 地址。）
通信密钥：（必填，phpcms 的通...