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App Inventor 输入文本如何转成ASCII码？ - App Inventor 2 中文网 - 清泛I...
Q：App Inventor 输入文本如何转成ASCII码？
A：使用AsciiConversion 拓展可以轻松实现。
AsciiCode: 给出字符，返回它相应的 Ascii码。 用法示例：返回字符“A”的Ascii码，结果将是：65。
标签内容过多，如何做到可上下滑动？ - App应用开发 - 清泛IT社区，为创新赋能！
一般在大模型App中，使用标签进行输出，这时可能内容较多，默认情况下，并不会出现滚动条，不能上下滑动，看不到上面已经隐藏的内容，那么该如何让其可滚动呢？
其实很简单：
垂直滚动布局就是为了解决区域显示...
AppInventor写二进制文件 - App应用开发 - 清泛IT社区，为创新赋能！
...，文件组件都是处理文本的，不能直接处理二进制。
使用拓展可以写二进制文件：https://www.fun123.cn/reference/iot/bytearray.html
蓝牙等组件返回的字节列表（list），目前不能直接追加到拓展中，可以采用遍历字节列表，然后将...
How to call a JavaScript function from PHP?
... function name
window[returnedData]();
},
'text'
);
* Or JSON or XML etc.
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...d, working on an Android project that will make a variety of requests from JSON to image to streaming download of audio and video:
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config.assets.compile=true in Rails production, why not?
... Rails writes this to the filesystem. The manifest file (YML in Rails 3 or JSON with a randomised name in Rails 4) is loaded into Memory by Rails at startup and cached for use by the asset helper methods.
This makes the generation of pages with the correct fingerprinted assets very fast, and the se...
Apache is downloading php files instead of displaying them
...sudo apt-get install libapache2-mod-php7.0 php7.0-mysql php7.0-curl php7.0-json
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User Authentication in ASP.NET Web API
...m a rookie in HTTP apps but need to develop an iPhone client that consumes JSON data from somewhere. I chose Web API from MS because it seemed easy enough but when it comes to authenticating users, things get quite frustrating.
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Professional jQuery based Combobox control? [closed]
... New version (0.9.3) just released. FlexBox now supports client-side JSON filtering.
– Noah Heldman
Oct 1 '10 at 16:30
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MySQL vs MongoDB 1000 reads
...tched by id)
Retrieve the contents of one database page (the actual binary json document)
So a b-tree lookup, and a binary page read. Log(n) + 1 IOs. If the indexes can reside entirely in memory, then 1 IO.
In MySQL with 20 tables, you have to perform:
One index lookup on the root table (again,...