大约有 4,000 项符合查询结果(耗时:0.0071秒) [XML]

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What is the best collation to use for MySQL with PHP? [closed]

I'm wondering if there is a "best" choice for collation in MySQL for a general website where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP. ...
https://bbs.tsingfun.com/thread-1376-1-1.html 

HC-05 蓝牙模块开发 - 创客硬件开发 - 清泛IT社区,为创新赋能!

它有六个引脚,引脚的作用如下: 通过厂商App连接串口测试,发现HC-05模块是经典蓝牙2.0,并不支持蓝牙5.0(低功耗BLE),它需要配对码进行配对,App Inventor 2 中使用“蓝牙客户端”组件,而非BLE拓展,必须在手机设置中...
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What is the difference between encode/decode?

... encoding. Use u'...'.encode(encoding). Example: >>> u'æøå'.encode('utf8') '\xc3\x83\xc2\xa6\xc3\x83\xc2\xb8\xc3\x83\xc2\xa5' >>> u'æøå'.encode('latin1') '\xc3\xa6\xc3\xb8\xc3\xa5' >>> u'æøå'.encode('ascii') UnicodeEncodeError: 'ascii' c...
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BLE(五)移动端工具 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...htBlue使用简单,打开蓝牙和app,即自动扫描蓝牙设备,未连接之前,大部分设备都是Unnamed和No services,选择其中一个会尝试连接,连接成功后即可获取蓝牙设备的设备信息、UUID、服务等信息了,选择其中一个服务,还可以尝试...
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BLE 接收BLE模块发来的信息 - 创客硬件开发 - 清泛IT社区,为创新赋能!

...块,发送给手机APP的消息数据,并显示呢 求指教ble 设备连接,发送数据到硬件请参考:https://bbs.tsingfun.com/thread-1844-1-1.html 读取ble数据并显示在App上请参考文档:https://www.fun123.cn/reference/ ... ml#RegisterForBytes 请先自行研究一下...
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How to encode the filename parameter of Content-Disposition header in HTTP?

...pera 12, FF25, Safari 6, using this filename for download: 你好abcABCæøåÆØÅäöüïëêîâéíáóúýñ½§!#¤%&()=`@£$€{[]}+´¨^~'-_,;.txt On IE7 it works for some characters but not all. But who cares about IE7 nowadays? This is the function I use to generate safe file names f...
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Scratch还是App Inventor?低代码编程工具2026终极横评:谁才是真正的入门...

...2026年,IoT教育已经不再是大学实验室的专利。Scratch完全无法触及硬件领域,而App Inventor 2原生支持蓝牙BLE通信,可以直接连接Arduino、ESP32等微控制器,读取传感器数据、发送控制指令。 这意味着一个中学生可以用App Inventor 2...
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【解决】ble蓝牙 RequestMTU 请求没有反应?设置没有生效? - 创客硬件开发...

1、确认代码正确,RequestMTU 最好在 连接成功之后再调用(调用“连接”方法之后里面调用,可能会失败,不触发回调): (不建议,有失败的可能) [hide] (建议写法) 2、MTUChanged 事件成功触发,但是值不是指定的值?...
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米思齐(Mixly) × App Inventor2 接入调研报告:技术路线、接入步骤与教程...

...已配对设备    • AfterPicking → Connect(address) 建立连接    • 发送:Call BluetoothClient.SendText("LED_ON")    • 接收:Clock 定时器 + BluetoothClient.BytesAvailable/ReceiveText 轮询显示 3. 协议约定:建议用简单文本...
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Is there a way to get rid of accents and convert a whole string to regular letters?

... I have an objection to this solution. Imagine input "æøåá". Current flattenToAscii creates result "aa.." where dots represent \u0000. That is not good. First question is - how to represent "unnormalizable" characters? Let's say it will be ?, or we can leave NULL char there, but...