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二进制组件使用指导 · App Inventor 2 中文网
...cksum(帧, "CRC16-MODBUS"))
}
跑起来看：标签显示 A5 03 FF E7 D3 52。FF E7 是 -25 的补码，最后两个字节是 CRC（Modbus 规定低字节在前，已自动处理）。
「拼接字节」一块积木放下整帧的各部分：数字是一个字节，列表整段接上，文本按...
String concatenation in Ruby
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edited Jun 27 '12 at 2:52
Rimian
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How do I delete unpushed git commits?
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– Frank Schwieterman
Jul 7 '10 at 17:52
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And make sure HEAD~1 is the commit... You could also d...
Getting the first character of a string with $str[0]
...ent version, thrus we should not label it as deprecated. Related to bug #52254 - svn.php.net/repository/phpdoc/en/trunk/language/types/…
– VolkerK
Mar 15 '17 at 12:40
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install / uninstall APKs programmatically (PackageManager vs Intents)
...odhackbod
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How to ignore xargs commands if stdin input is empty?
... explain?
– Adrian
Dec 27 '17 at 18:52
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How to mock an import
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answered Jul 4 '17 at 20:52
Hunter_71Hunter_71
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Invert “if” statement to reduce nesting
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
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stackerstacker
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What's the best mock framework for Java? [closed]
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Jan KronquistJan Kronquist
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