大约有 4,000 项符合查询结果(耗时:0.0097秒) [XML]

https://bbs.tsingfun.com/thread-2159-1-1.html 

BLE 蓝牙APP 接收不到来自蓝牙模块的讯息 - App应开发 - 清泛IT社区,为创新赋能!

...个怎么做才能让APP收到模块消息。 如果你是使BLE拓展通信的话,连接硬件成功后,Registerxxxx相关方法就能监听硬件发送过来的数据了。详见中文文档: RegisterForBytes – 注册以在已连接BLE设备的一个或多个 8-bit...
https://bbs.tsingfun.com/thread-2327-1-1.html 

AppInventor实现图片和文字等进行发帖和查看帖子功能 - App应开发 - 清泛...

Q:您好,我想问下,我想要实现这样一个功能就是户可以发图片和文字等来进行发帖,其他户可以进行浏览和收藏,这种可以实现吗?需要API吗? A:这里提供一些思路,欢迎补充。 1、最简便,使Web开发,有现成开...
https://bbs.tsingfun.com/thread-2749-1-1.html 

- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

手动同步 信息分享器 组件。 自动实时同步只能走云端,上报到你自己的服务器或者微数据库等,另一个 app 定时拉取。 还可以云数据库接 redis,数据变动有实时通知,不定时拉取。
https://bbs.tsingfun.com/thread-2812-1-1.html 

- HarmonyOS NEXT - 清泛IT社区,为创新赋能!

... shell bm get -u 拿 UDID   2. AGC 添加设备 → 下载调试 .cer + .p7b   3. 调试证书签名安装 AGC debug证书、指定设备发布证书 都需要绑定设备。 有且只有正式应市场发布的证书不需要绑定设备。
https://bbs.tsingfun.com/thread-2865-1-1.html 

- App应开发 - 清泛IT社区,为创新赋能!

你的代码块写死了 30 个列表项。如果数据是通过通信动态接收到的,要追加到列表中,最后再列表进行图表绘制。追加列表元素这个: 应该是图表默认最多显示 20 个点,你左右滑动图表处屏幕,可以拖动查看其他的点。
https://www.tsingfun.com/it/cpp/1565.html 

CDC:DrawText 多行显示文本(文本自动换行) - C/C++ - 清泛网 - 专注C/C++及内核技术

...T_CALCRECT:决定矩形的宽和高。如果正文有多行,DrawText使lpRect定义的矩形的宽度,并扩展矩形的底训以容纳正文的最后一行,如果正文只有一行,则DrawText改变矩形的右边界,以容纳下正文行的最后一个字符,上述任何一种情...
https://stackoverflow.com/ques... 

How can one change the timestamp of an old commit in Git?

...ers to How to modify existing, unpushed commits? describe a way to amend previous commit messages that haven't yet been pushed upstream. The new messages inherit the timestamps of the original commits. This seems logical, but is there a way to also re-set the times? ...
https://stackoverflow.com/ques... 

Why do my list item bullets overlap floating elements

... I have found a solution to this problem. Applying an ul { overflow: hidden; } to the ul ensures that the box itself is pushed aside by the float, instead of the contents of the box. Only IE6 needs an ul { zoom: 1; } in our conditional comments to make sure...
https://stackoverflow.com/ques... 

Parallelize Bash script with maximum number of processes

.../cpu[[:digit:]]* | wc -w ) find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps From the docs: --max-procs=max-procs -P max-procs Run up to max-procs processes at a time; the default is 1. If max-procs is 0, xargs will run as many processes as possible at a ...
https://stackoverflow.com/ques... 

CSS: 100% width or height while keeping aspect ratio?

...nly define one dimension on an image the image aspect ratio will always be preserved. Is the issue that the image is bigger/taller than you prefer? You could put it inside a DIV that is set to the maximum height/width that you want for the image, and then set overflow:hidden. That would crop anyth...