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App Inventor接入Supabase：开源免费的后端新选择 - App Inventor 2 拓展 -...
App Inventor开发者注意了！继腾讯云CloudBase之后，又一个全能型后端服务来了——Supabase扩展已上线测试！
如果你厌倦了TinyDB的本地限制，又不想折腾复杂的服务器搭建，Supabase就是你的最佳选择。
什么是Supabase？
Supabase是...
扒了一下源码，ESP8285接入App Inventor有4种玩法，第3种最香 - AI 助手 - ...
...60MHz），WiFi一样（802.11 b/g/n），GPIO一样（17个），区别就一个：ESP8285把1MB Flash直接塞进芯片里了，省了外部SPI Flash。
这意味着ESP8266的代码在ESP8285上100%能跑，Arduino ESP8266 Core和ESP-IDF都直接兼容。
源码里有什么现成组件？
...
App Inventor 2 项目会自动保存吗？这两个操作很多人不知道 - App应用开发 ...
...保存吗？这两个操作很多人不知道
有朋友在社区问了一个问题：App Inventor 2 的项目是自动保存的吗？
说实话，这个问题刚听到的时候我还愣了一下——因为对老手来说，这几乎是"呼吸一样自然"的事。但仔细想想，...
How do you run your own code alongside Tkinter's event loop?
...00 # width for the Tk root
h = 125 # height for the Tk root
# get display screen width and height
ws = root.winfo_screenwidth() # width of the screen
hs = root.winfo_screenheight() # height of the screen
# calculate x and y coordinates for positioning the Tk root window
#centered
#x = (ws/2) - (...
Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
...
You can use CSS3 :
@media screen and (orientation:landscape)
{
body
{
background: red;
}
}
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Bootstrap 3 modal vertical position center
...
.modal {
text-align: center;
}
@media screen and (min-width: 768px) {
.modal:before {
display: inline-block;
vertical-align: middle;
content: " ";
height: 100%;
}
}
.modal-dialog {
display: inline-block;
text-align: left;
vertical-alig...
Application_Error not firing when customerrors = “On”
... cannot be displayed because an internal server error has occurred. Error screen, not my requested /Error/Index page
– Serj Sagan
Aug 12 '13 at 23:02
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What is the purpose of Looper and how to use it?
... "UI" or whatever starts your application, and draws all UI. So, the first screen is displayed to users. So what now? The main thread terminates? No, it shouldn’t. It should wait until users do something, right? But how can we achieve this behavior? Well, we can try with Object.wait() or Thread.sl...
How to resize the AVD emulator (in Eclipse)?
...o work, you'll have to also enter a reasonable approximation of your mac's screen resolution. I'm using 7 inches and 113 dpi for my 13" Macbook Pro, but you may be able to get away with 8 or 9 inches.
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How to exclude this / current / dot folder from find “type d”
.../bash/manual/html_node/The-Shopt-Builtin.html).
eclipse tmp # find .
.
./screen
./screen/.testfile2
./.X11-unix
./.ICE-unix
./tmux-0
./tmux-0/default
eclipse tmp # find ./*
./screen
./screen/.testfile2
./tmux-0
./tmux-0/default
...