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App Inventor 2 文本输入框怎么设置输入数子上下限！ - App应用开发 - 清...
App Inventor 2 文本输入框怎么设置输入数字上下限！例如设置下限为0.1 上限99 如果下限输入小于0自动改为0.1,输入大于99自动改为99, 在下限0.1 与上限99 之间能任意输入,怎么做?目前只能点计算按钮，事件中加判断，不合适提醒...
AppInventor 文本框颜色怎么设置？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
如题：
文本框只能设置 文字颜色 和 背景颜色：
[hide]文本框的颜色没有直接的设置选项，跟着屏幕的交互颜色走的，具体请看文档：https://www.fun123.cn/reference/ ... terface.html#Screen
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AppInventor2文本输入框下面的横线怎么去掉？ - App应用开发 - 清泛IT社区...
Q：你好，文本输入框下面这条横线怎么去掉呢？
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这个属于系统本身的样式，待研究一下。。。
将文本输入框的“背景颜色”设置为“透明”即可实现输入框下面横线的隐藏：
效果参考如下：
（...
Python locale error: unsupported locale setting
...he .UTF-8 part to the actual syntax found in the output of locale -a e.g. .utf8 on some systems.
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What is the best collation to use for MySQL with PHP? [closed]
...aring characters in the language) and performance. The only special one is utf8_bin which is for comparing characters in binary format.
utf8_general_ci is somewhat faster than utf8_unicode_ci, but less accurate (for sorting). The specific language utf8 encoding (such as utf8_swedish_ci) contain add...
UTF-8: General? Bin? Unicode?
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In general, utf8_general_ci is faster than utf8_unicode_ci, but less correct.
Here is the difference:
For any Unicode character set, operations performed using the _general_ci collation are faster than those for the _unicode_ci coll...
How to change the CHARACTER SET (and COLLATION) throughout a database?
...n in a table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character.
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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]
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utf8_general_ci is a very simple — and on Unicode, very broken — collation, one that gives incorrect results on general Unicode text. What it does is:
converts to Unicode normalization form D for canonical decompositio...
How to make MySQL handle UTF-8 properly
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Update:
Short answer - You should almost always be using the utf8mb4 charset and utf8mb4_unicode_ci collation.
To alter database:
ALTER DATABASE dbname CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
See:
Aaron's comment on this answer How to make MySQL handle UTF-8 properly
W...
How can I transform string to UTF-8 in C#?
...:
byte[] bytes = Encoding.Default.GetBytes(myString);
myString = Encoding.UTF8.GetString(bytes);
Another thing you may have to remember: If you are using Console.WriteLine to output some strings, then you should also write Console.OutputEncoding = System.Text.Encoding.UTF8;!!! Or all utf8 strings...