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Alarm 闹钟扩展 · App Inventor 2 中文网
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1.0 (2021-04-26)
初始版本
2.0 (2021-05-15)
当包名更改时，ScreenToOpen 在Kodular上无法工作
2.1 (2021-06-12)
- AlarmIntent 中的 FlagNewTask 属性未正确设...
Which kind of pointer do I use when?
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+100
Shared ownership:
The shared_ptr and weak_ptr the standard adopted are pretty much the same as their Boost counterparts. Use them whe...
Best approach to remove time part of datetime in SQL Server
...hod a is the least resource intensive:
a) select DATEADD(dd, DATEDIFF(dd, 0, getdate()), 0)
Proven less CPU intensive for same total duration a million rows by some one with way too much time on their hands: Most efficient way in SQL Server to get date from date+time?
I saw a similar test elsewh...
How do I pick randomly from an array?
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1140
Just use Array#sample:
[:foo, :bar].sample # => :foo, or :bar :-)
It is available in Ruby ...
Repeat Character N Times
...ess you need to support older browsers, you can simply write:
"a".repeat(10)
Before repeat, we used this hack:
Array(11).join("a") // create string with 10 a's: "aaaaaaaaaa"
(Note that an array of length 11 gets you only 10 "a"s, since Array.join puts the argument between the array elements.)
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Why is there no Char.Empty like String.Empty?
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20 Answers
20
Active
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Print text instead of value from C enum
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101
Enumerations in C are numbers that have convenient names inside your code. They are not strings...
What is the difference between parseInt() and Number()?
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10 Answers
10
Active
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Scroll to bottom of Div on page load (jQuery)
...side of it.
Here is the correct version:
$('#div1').scrollTop($('#div1')[0].scrollHeight);
or jQuery 1.6+ version:
var d = $('#div1');
d.scrollTop(d.prop("scrollHeight"));
Or animated:
$("#div1").animate({ scrollTop: $('#div1').prop("scrollHeight")}, 1000);
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Using Python String Formatting with Lists
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edited Sep 27 '11 at 12:03
answered Sep 27 '11 at 11:53
i...