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Divide a number by 3 without using *, /, +, -, % operators
...s you know how the +, -, * and / operators are actually implemented on the CPU: simple bitwise operations.
– craig65535
Jul 27 '12 at 21:55
21
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Difference between StringBuilder and StringBuffer
...ng and unlocking code for synchronization which will unnecessarily take up CPU time. Don't use locks unless it is required.
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How can I round up the time to the nearest X minutes?
... Just pointing out, modulus is a requires a division operation on the CPU. But I agree that it is more elegant that using the rouding down property of integer divisions.
– Alex
Feb 16 '17 at 15:17
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How does Python manage int and long?
... are handled by the Int class. The default size of Int will depend on your CPU architecture.
For example:
32 bit systems the default datatype for integers will be 'Int32'
64 bit systems the default datatype for integers will be 'Int64'
The min/max values of each type can be found below:
Int...
控件重绘函数/消息OnPaint,OnDraw,OnDrawItem,DrawItem的区别 - C/C++ - 清...
...时对控件的绘制，上面介绍的差不多了，还有一个CView的问题，也就是OnPaint和Ondraw的关系，其实这个很简单，CView::OnPaint()的源码如下：
void CView::OnPaint()
{
CPaintDC dc(this);
OnPrepareDC(&dc);
OnDraw(&dc)
}
...
Ideal way to cancel an executing AsyncTask
...
If you have a cpu consuming operation in AsyncTask, so you must call cancel(true). I used it and it works.
– S.M.Mousavi
Nov 16 '16 at 12:52
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云数据及Firebase组件简介 · App Inventor 2 中文网
...称为 FirebaseError，它让 Web 服务报告错误，这通常是通信问题的结果：
ShareValue：一个带有云数据的简单App
ShareValue 是一个使用 FirebaseDB 组件的简单应用程序。 它允许安装该应用程序的任何人设置共享云值并查看该值何时发生...
How to get milliseconds from LocalDateTime in Java 8
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"gives you the same results as" ... but takes more CPU power and stresses the garbage collector a lot more.
– VasiliNovikov
Dec 5 '18 at 15:12
1
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Unexpected results when working with very big integers on interpreted languages
...t version is 9223372036854775807
So it means either you are using 32 bit CPU or 32 bit OS or 32 bit compiled version of PHP. It can be found using PHP_INT_MAX. The sum would be calculated correctly if you do it on a 64 bit machine.
The max integer value in JavaScript is 9007199254740992. The larg...
Creating JSON on the fly with JObject
...upply single quote delimited JSON text.
JObject o = JObject.Parse(@"{
'CPU': 'Intel',
'Drives': [
'DVD read/writer',
'500 gigabyte hard drive'
]
}");
This has the nice benefit of actually being JSON and so it reads as JSON.
Or you have test data that is dynamic you can use JObject...