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怎么放不上去 文本？ - App Inventor 2 中文网 - 清泛IT社区，有思想、有深度
转会员提问：怎么放不上去 文本？
根据提示这里不能放置文本块，需要放数学块。ip 一般是文本，端口一般都数字。
界面很多按钮时，如何获取当前被点击的按钮的文本？ - App Inventor 2 中文...
Q：请教一个问题。假如我设计一个计算器，把0-9文本标到按键上，我用什么方法获取到每一个按下的值？辟如888，我要把这个值显示在标签里。
A：使用“任意按钮”的文本方法，用于获取当前被点击的按钮的文本，参数是当...
AppInventor2文本显示框怎样设置换行操作？标签显示可以换行吗？ - App应用...
Q：文本显示框怎样设置换行操作？标签显示可以换行吗？
A：文本输入框可切换多行显示模式，勾选“允许多行”即可：
标签也可以显示多行内容，文本中拼接\n就能实现换行。
What's wrong with Groovy multi-line String?
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The second one is also how VBA multiline statements work :D (Only with underscores instead of backslashes, because VBA.)
– Charles Wood
Nov 1 '16 at 16:50
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What's the difference between utf8_general_ci and utf8_unicode_ci?
Between utf8_general_ci and utf8_unicode_ci , are there any differences in terms of performance?
8 Answers
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
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MySQL's utf8 permits only the Unicode characters that can be represented with 3 bytes in UTF-8. Here you have a character that needs 4 bytes: \xF0\x90\x8D\x83 (U+10343 GOTHIC LETTER SAUIL).
If you have MySQL 5.5 or later you can cha...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
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The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername...
What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
...your code- try inserting an ActiveX control into a worksheet, bring up the VBA editor (ALT + F11) and you will be able to access the control programatically. You can't do this with form controls (macros must instead be explicitly assigned to each control), but form controls are a little easier to us...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...识；而一致性协议强调的是操作的顺序一致性，比如同时读写一个数据会不会出现脏数据。一致协议在分布式里有一个经典的算法叫“Paxos算法”，后续再介绍。
上面有个问题，就是所有从节点的最后操作时间都是一样怎么办...
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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