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App Inventor 2 控制代码块 · App Inventor 2 中文网

...环 如果 & 则(if & else if) 从范围循环(for each number from to) 从列表循环(for each item in list) 从字典循环(for each key with value in dictionary) 循环(while) 如果 & 则 & 否则(if then else) 执行模块 & 返回结果(do with result) 求...
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显示列表 · App Inventor 2 中文网

...2 333-3333 使用”从范围循环“ while 方法的变体用于每个 from 到 by 或列表中的每个项目。 我们在下面展示了两种方法的块。 请注意,我们必须测试空列表。 如果列表至少有一个元素,那么我们将标签设置为第一项中的任何内...
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An operation on a socket could not be performed because the system lac...

...:https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t
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An operation on a socket could not be performed because the system lac...

...:https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t
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An operation on a socket could not be performed because the system lac...

...:https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t
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二进制文件的读写 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...community.appinventor.mit.edu/t/how-to-save-a-binary-file-after-i-received-from-ble/90929/9二进制文件的读取/写入可使用此拓展,下载地址:https://bbs.tsingfun.com/thread-1648-1-1.html
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WheelView:滚轮选择框扩展 - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

WheelView, like number picker, but can be any strings.original code from WheelView: 效果类似android4.0以上原生的DatePicker 18Thanks @wildcontrol to sponsor this extensionDemo picture:this demo used 3 extensionsAll the blocks 来源:https://wangsk789.github.io/wheelview/ 更多滚轮拓...
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php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ot given use this script as referrer $referrer="111"; // making string from $data foreach($data as $key=>$value) $values[]="$key=".urlencode($value); $data_string=implode("&",$values); // Find out which port is needed - if not given use standard (=80) if(!isset($URL_Info["port"])) $U...
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...

...开始执行 import tablespace,报错 ERROR 1030 (HY000): Got error -1 from storage engine。找到mysql的错误日志,InnoDB: Error: tablespace id in file ‘.\test\weibo_qq0.ibd’ is 112, but in the InnoDB InnoDB: data dictionary it is 1. 因为 weibo_qq0 之前的记录点在112,...
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上班狗来算算 你离财务自由还差多少钱? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...事情,比如:旅游、摄影、写书、或者参与公益事业。(from度娘) 说白了就是不用为那几分钱工资累成狗,因为就算你不工作,被动收入就可以完全覆盖或远远超出你的开支。 听着有点绕口,那就举个栗子吧: 假设你每月的总...