大约有 40,000 项符合查询结果(耗时:0.0299秒) [XML]

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Mind+ 掌控板、ESP32开发板等硬件如何接入AppInventor? - 创客硬件开发 - ...

Mind+ 掌控板、ESP32开发板等硬件如何接入AppInventor? 由于硬件板种类繁多,这里仅讨论硬件与AppInventor的通信方式,及使用什么组件。一般不外乎2种方式: 1、蓝牙(经典蓝牙),使用 蓝牙客户端 组件。Mind+ 参考代码如下: ...
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App Inventor 输入文本如何转成ASCII码? - App Inventor 2 中文网 - 清泛I...

Q:App Inventor 输入文本如何转成ASCII码? A:使用AsciiConversion 拓展可以轻松实现。 AsciiCode: 给出字符,返回它相应的 Ascii码。 用法示例:返回字符“A”的Ascii码,结果将是:65。
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如何实现post访问的流式响应 - App应用开发 - 清泛IT社区,为创新赋能!

...基流动的deepseek ri的流式响应时,一次性返回全部信息,如何实现一句一句的显示呀? deepseek提示可以通过设置整显示速度,修改 TimerInterval 属性:200 毫秒 → 快速逐字1000 毫秒 → 慢速逐句  来实现,但是在哪里能设置呀?...
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标签内容过多,如何做到可上下滑动? - App应用开发 - 清泛IT社区,为创新赋能!

...条,不能上下滑动,看不到上面已经隐藏的内容,那么该如何让其可滚动呢? 其实很简单: 垂直滚动布局就是为了解决区域显示不下,想要出现滚动操作的场景。 套上这个布局,搞定!
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如何设置App不随着屏幕旋转而旋转? - App Inventor 2 中文网 - 清泛IT社区...

Q:如何设置App不随着屏幕旋转而旋转? A:Screen1 的属性中设置屏幕方向为“锁定竖屏”就可以啦! 学习到了!!
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Does Foreign Key improve query performance?

...the foreign key relationship already inforces that for you. So this: select p.ProductId, p.Name, c.CategoryId, c.Name AS Category from Products p inner join ProductCategories c on p.CategoryId = c.CategoryIdwhere c.CategoryId = 1; Becomes this: SELECT p.ProductId, p.Name, c.CategoryId, c.N...
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Can I mix MySQL APIs in PHP?

I have searched the net and so far what I have seen is that you can use mysql_ and mysqli_ together meaning: 4 Answers ...
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Installing specific package versions with pip

I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it: ...
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StackOverflow程序员推荐:每个程序员都应读的30本书 - 杂谈 - 清泛网 - 专...

...:774 这本书简洁易读,会教给你三件事:C 编程语言;如何像程序员一样思考;底层计算模型。(这对理解“底层”非常重要)—— Nathan 5. 《算法导论》 推荐数:671 《代码大全》教你如何正确编程;《人月神话》教你如...
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Accessing outside variable using anonymous function as params

... same no matter what function is executing. Code: $result = ''; fetch("SELECT title FROM tbl", function($r) use (&$result) { $result .= $r['title']; }); But beware (taken from one of comments in previous link): use() parameters are early binding - they use the variable's value at ...