大约有 4,000 项符合查询结果(耗时:0.0191秒) [XML]

https://bbs.tsingfun.com/thread-1777-1-1.html 

按键可见性的延时设置 - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...的2号按键的可见性从原来的假 恢复成真 用“计时器”组件,上面代码就是定时1小时,1小时后,下面的事件就会被触发执行,在里面把按钮的可见性设置为“真”即可。 手机APP上面有好几组按键 控制定时时间, 每按下一...
https://bbs.tsingfun.com/thread-1984-1-1.html 

AppInventor2如何实现播放视频并在上面显示两行文本字幕? - App应用开发 -...

...在上面显示两行文本字幕? ------- 原生的视频播放器组件并无字幕功能,也不能和布局组件进行组合布局,实现不了文本叠加显示的效果。 只能使用视频播放拓展实现:https://bbs.tsingfun.com/thread-1719-1-1.html 拓展初始化在一...
https://stackoverflow.com/ques... 

Check to see if a string is serialized?

....org/reference/functions/is_serialized – Cédric Françoys Feb 22 '19 at 8:57 add a comment  |  ...
https://stackoverflow.com/ques... 

Using IQueryable with Linq

What is the use of IQueryable in the context of LINQ? 4 Answers 4 ...
https://stackoverflow.com/ques... 

How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII

...ipedia articles, the most common non-ASCII characters are ·•–é°®’èö—. Based on this fact, The bytes 0x92, 0x95, 0x96, 0x97, 0xAE, 0xB0, 0xB7, 0xE8, 0xE9, or 0xF6 suggest windows-1252. The bytes 0x8E, 0x8F, 0x9A, 0xA1, 0xA5, 0xA8, 0xD0, 0xD1, 0xD5, or 0xE1 suggest MacRoman. Count u...
https://stackoverflow.com/ques... 

How do you reverse a string in place in C or C++?

...it, nor the patience to use a hexeditor) Examples: $ ./strrev Räksmörgås ░▒▓○◔◑◕● ░▒▓○◔◑◕● ●◕◑◔○▓▒░ Räksmörgås sågrömskäR ./strrev verrts/. share | ...
https://stackoverflow.com/ques... 

Pass a parameter to a fixture function

...pytest/issues/5712 and the related (merged) PR. – Nadège Feb 19 at 11:12 This was reverted github.com/pytest-dev/pyte...
https://stackoverflow.com/ques... 

Difference between datetime and timestamp in sqlserver? [duplicate]

What is the difference between Timestamp and Datetime SQL Server? 2 Answers 2 ...
https://stackoverflow.com/ques... 

Inserting a tab character into text using C#

...b + "32" TextBox2.Text = "Luc" + vbTab + "47" TextBox3.Text = "François-Victor" + vbTab + "12" End Sub will display as you can see, age value for François-Victor is shifted to the right and is not aligned with age value of two others TextBox. SOLUTION To solve this problem, you mus...
https://stackoverflow.com/ques... 

How can I add new keys to a dictionary?

...above which it's better to create a dict) – Jean-François Fabre♦ Aug 1 '18 at 21:42 11 ...