大约有 30,000 项符合查询结果(耗时:0.0150秒) [XML]

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How to count lines in a document?

... Using the GNU grep -H argument returns filename and count. grep -Hc ".*" file – Zlemini Oct 28 '16 at 19:27 ...
https://www.tsingfun.com/it/opensource/630.html 

win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...ine.* TO 'redmine'@'localhost'; flush PRIVILEGES; d) 修改redmine连接数据库文件: redmine目录下的config/database.yml.example 改为config/database.yml 修改production一段: production: adapter: mysql2 database: redmine host: localhost username: root ...
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手机APP上的串口通信组件 - 创客硬件开发 - 清泛IT社区,为创新赋能!

... Iot 专题)手机串口通信模型如下:可以看到,手机串口连接时,没有像PC那样指定“COM3”等端口,而是直接使用默认的USB设备: 有一个英文原版视频,请参考“串口通信器“组件相关文档:《App Inventor 2 串口组件:App使用OTG...
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GoPrint aia源码 UI界面现代、代码不复杂,参考性强 - .aia 案例源码 - 清...

屏幕数量:6个,UI界面现代、代码不复杂,参考性强。 需要连接蓝牙硬件进行通信,具体逻辑请自行研究。
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AppInventor2实现蓝牙开启提醒,当蓝牙未开启时弹窗提醒用户开启蓝牙 - 创...

1、代码如下: 当蓝牙未启用时,会自动弹出交互框,让用户选择启用手机蓝牙。 当蓝牙已启用时,这2个代码块将没有任何效果(不提醒也不报错)。 2、也可加一个判断,代码如下: 3、蓝牙开启提醒的交互效果如...
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蓝牙客户端组件:为什么不显示蓝牙设备列表?为啥蓝牙列表为空 - App Inven...

转会员提问:蓝牙客户端组件:为什么不显示蓝牙设备列表?为啥蓝牙列表为空? 解决方法:设置中打开 app 的“附近设备权限”即可。
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解决 Error 503: The specified address is not a valid Bluetooth MAC add...

...ss is not a valid Bluetooth MAC address. 原因是地址格式不对,蓝牙列表可能显示不对。大概率是经典蓝牙和 ble 低功耗蓝牙的设备列表处理的方式不对。 本例中就是经典蓝牙,但是用的 ble 的方式显示导致的问题。
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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...
https://www.tsingfun.com/it/opensource/451.html 

Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...

...空格或tab的文本行视为上一行的延续; 5、启动postfix,连接发信 四、为postfix开启基于cyrus-sasl认证功能 1、检查postfix是否支持cyrus-sasl认证 postconf -a 2、配置postfix的主配置文件 vim /etc/postfix/main.cf 在最后添加以下内容 ...
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)

... @twelve17 The errors are related to not being able to find an SSL library and the OP mentioned that they had recently upgraded their installed version of openssl. I had the same issue with the same upgrade scenario; I suspect the reinstall...