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BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...S
而在程序2.asm 中，ar 被定义为：
_DATASEGMENT
?ar@@3PAHA DD 01H ; ar
DD 02H
DD 03H
ORG $+1199988
_DATAENDS
区别很明显，一个位于.bss 段，而另一个位于.data 段，两者的区别在于：全局的未初始化变量存在于.bss 段中，具体体现为一个占...
Difference between Visual Basic 6.0 and VBA
...oard, Screen, and App objects, in addition to the Printers collection. The forms packages are completely different, as you have to go out of your way to avoid windowed controls in VB, but in VBA it's a lot harder to use hWnd-oriented API calls because most of the controls are windowless. And, speaki...
Finding duplicate rows in SQL Server
...ction
– Arif Ulusoy
Mar 9 '17 at 16:01
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Create Directory if it doesn't exist with Ruby
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Avoid using rescue in its modifier form.
– Sebastian Palma
Jan 19 '17 at 12:26
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Why have header files and .cpp files? [closed]
...is being implemented) will do, while the cpp file defines "how" it will perform those features.
This reduces dependencies so that code that uses the header doesn't necessarily need to know all the details of the implementation and any other classes/headers needed only for that. This will reduce com...
Xcode 4 - slow performance
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Next, delete project.xcworkspace.
Open Xcode and enjoy faster performance!
Thanks to:
http://meachware.blogspot.com/2011/06/speed-up-xcode-4.html
Edit: I've gotten several comments about this noting that for some projects this might cause problems. Make sure you have a backup of your p...
What is the significance of 1/1/1753 in SQL Server?
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The decision to use 1st January 1753 (1753-01-01) as the minimum date value for a datetime in SQL Server goes back to its Sybase origins.
The significance of the date itself though can be attributed to this man.
Philip Stanhope, 4th Earl of Chesterfield. Who steer...
Why prefer two's complement over sign-and-magnitude for signed numbers?
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+1'ed. It was information, however in the end it I am not sure why you wanted have the approach of most significant bit to represent whether it is a positive or negative number. It has many issue like 0 will have 2 representations - 0000(+) ...
How to convert An NSInteger to an int?
...n a 32/64 bit int. (it will use the appropriate size based on what OS/platform you're running)
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MongoDb query condition on comparing 2 fields
... i tried db.T.find({$where: function() {return this.startDate == ISODate("2017-01-20T10:55:08.000Z");}}); it returns nothing, even one of the doc in the collection is ISODate("2017-01-20T10:55:08.000Z"). But <= and >= seem work. any idea?
– cateyes
Feb 22...