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Set selected item of spinner programmatically

... An error with this code is that @Boardy want the selection of Category 2 which I suppose is a String (assuming he tried using Spinner.SelectedText = "Category 2") but the above code is for a long. – Arun Ge...
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我使用MQTT扩展控制主板,在AI伴侣里面运行的很好,在导出apk里面没有反应...

...mind+发送端发送命令MQTT平台接受到之后,需要将命令通过蓝牙传给主控板,主控板根据命令控制灯的颜色。 没反应的现象就是mind+发送命令之后MQTT物联平台可以收到,主控板灯不变色13582001974 发表于 2024-09-25 11:10 mind+发送端发...
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How to check if an element does NOT have a specific class?

... that don't have a certain class, you can use the not selector: // select all divs that don't have class test $( 'div' ).not( ".test" ); $( 'div:not(.test)' ); // <-- alternative share | impr...
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Convert a RGB Color Value to a Hexadecimal String

...ger g = sGreen.getValue(); Integer b = sBlue.getValue(); Color hC; hC = new Color(r,g,b); String hex = Integer.toHexString(hC.getRGB() & 0xffffff); while(hex.length() < 6){ hex = "0" + hex; } hex = "Hex Code: #" + hex; return hex; } ...
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转:postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术

...错提示。 QUOTE: Q: smtpd认证失败:无权限连接authdaemond Nov 20 15:58:54 bsd6 postfix/smtpd[900]: warning: SASL authentication failure: cannot connect to Courier authdaemond: Permission denied A: 检查 authdaemond的socket所在目录及其父目录的属...
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Sending HTTP POST Request In Java

..., "bloggs") }; post.setRequestBody(data); // execute method and handle any error responses. ... InputStream in = post.getResponseBodyAsStream(); // handle response. for more information check this url: http://hc.apache.org/ ...
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开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...postfix进行初始化,初始化时postfix同时只接受两个并发的连接请求。当邮件投递成功后,可以同时接受的并发连接的数目就会缓慢地增长至一个可以配置的值。当然,如果这时系统的消耗已到达系统不能承受的负载就会停止增长...
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【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...

...se 关闭档案,清除缓冲区中剩余数据,断开文件与档案的连接 void Close(); 操作符: << 存储指定的对象到档案(写),一行可以使用多个析取操作符 >> 从档案中加载指定的对象(读),一行可以有多个插入操作符 CBitmap类...
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路径 /storage/emulated/0/... 在哪儿? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...storage/emulated/legacy (故名思议,传统的),还建立三个软连接 /storage/sdcard0 ,/sdcard,/mnt/sdcard ,都指向 /storage/emulated/legacy。 也就是说文件夹0和legacy指向的地址是一致的,都是存储盘里的,想放到哪个文件夹都可以。 emulated ...
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蓝牙BLE硬件接入及IO控制 · App Inventor 2 源码商店

... 源码列表 / 蓝牙BLE硬件接入及IO控制      ...