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2025年1月18日签到记录贴 - 签到区 - 清泛IT社区,为创新赋能!
...成的,如果您还未签到,请点此进行签到的操作. 我在 2025-01-18 08:48 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 5,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2025-01-18 09:12 完...
2025年5月1日签到记录贴 - 签到区 - 清泛IT社区,为创新赋能!
...的,如果您还未签到,请点此进行签到的操作. 我在 2025-05-01 08:11 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 6,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2025-05-01 08:29 完成...
Modbus硬件控制01——什么是Modbus - 创客硬件开发 - 清泛IT社区,为创新赋能!
本帖最后由 mzb2012 于 2025-06-19 12:37 编辑
Modbus算是嵌入式领域比较经典一种通信协议,不管你是初学者,还是工作多年的工程师,都很有必要了解一下。1.什么是Modbus?1.什么是Modebus它是一个Bus,即总线协议。比如串口协议、IIC...
2026年1月5日签到记录贴 - 签到区 - 清泛IT社区,为创新赋能!
...成的,如果您还未签到,请点此进行签到的操作. 我在 2026-01-05 06:43 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 12,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2026-01-05 08:27 完...
2026年1月14日签到记录贴 - 签到区 - 清泛IT社区,为创新赋能!
...成的,如果您还未签到,请点此进行签到的操作. 我在 2026-01-14 06:42 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 16,另外我还额外获得了 小红花 10.我今天最想说:「该会员没有填写今日想说内容.」. 我在 2026-01-14 08:28 完...
When would you call java's thread.run() instead of thread.start()?
...
Taken form the Code Style Java threads FAQ:
Q: What's the difference between a
thread's start() and run() methods?
A: The separate start() and run() methods in the Thread class provide
two ways to create threaded programs.
The sta...
Which HTML5 reset CSS do you use and why? [closed]
...
Zapping the default margin and padding on form controls can have unwelcome effects and named font-size keywords don't have entirely consistent behavior across browsers. This is overly simplistic. It also fails to set styles for elements introduced in HTML 5, so they ...
What is the iBeacon Bluetooth Profile
...ertisement packet looks like this:
d6 be 89 8e 40 24 05 a2 17 6e 3d 71 02 01 1a 1a ff 4c 00 02 15 e2 c5 6d b5 df fb 48 d2 b0 60 d0 f5 a7 10 96 e0 00 00 00 00 c5 52 ab 8d 38 a5
This packet can be broken down as follows:
d6 be 89 8e # Access address for advertising data (this is always the same fix...
Are there any free Xml Diff/Merge tools available? [closed]
...ased. There are specific diff tools for e.g. CSV files that understand the format it is diffing. The better that understanding, the more effective the diffing can happen. A good XML diff tool would be able to parse the XML, use a schema to determine constraints such as whether order matters for exam...
How can I quickly sum all numbers in a file?
... { print $sum'
The result is a more verbose version of the program, in a form that no one would ever write on their own:
BEGIN { $/ = "\n"; $\ = "\n"; }
LINE: while (defined($_ = <ARGV>)) {
chomp $_;
$sum += $_;
}
sub END {
print $sum;
}
-e syntax OK
Just for giggles, I tried ...
