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Is the NOLOCK (Sql Server hint) bad practice?
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edited May 4 '15 at 5:36
JumpingJezza
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Rails 3 check if attribute changed
Need to check if a block of attributes has changed before update in Rails 3.
5 Answers
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Are Javascript arrays sparse?
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edited May 23 '17 at 11:54
Community♦
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answered Oct 2 '09 at 17:21
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Set element focus in angular way
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173
The problem with your solution is that it does not work well when tied down to other directives ...
UIActivityViewController crashing on iOS 8 iPads
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463
On iPad the activity view controller will be displayed as a popover using the new UIPopoverPrese...
Finding all cycles in a directed graph
... problem. Some of them are listed in this article:
http://dx.doi.org/10.1137/0205007
According to the article, Johnson's algorithm is the fastest one.
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Set a default parameter value for a JavaScript function
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3346
From ES6/ES2015, default parameters are in the language specification.
function read_file(fi...
What does the filter parameter to createScaledBitmap do?
...s of 50% scale reductions. See http://today.java.net/pub/a/today/2007/04/03/perils-of-image-getscaledinstance.html for details.)
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定时任务使用指导 · App Inventor 2 中文网
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星期列表用 1（周一）到 7（周日）。下面每个工作日 21:30 提醒写日报，开关控制开启或取消：
when 开关1.Changed() {
if 开关1.On {
定时任务1.ScheduleWeekly(2, [1, 2, 3, 4, 5], 21, 30)
} else {
定时任务1.Cancel(2)
}
}
某个时刻提醒一...