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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...amount greater than or equal to the number of bits in the number (e.g. int64_t i = 1; i <<= 72 is undefined)
Types, Cast and Const
Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast)
Using an automatic variable before it has ...
Any tools to generate an XSD schema from an XML instance document? [closed]
...
Sachin Joseph
14.4k33 gold badges3232 silver badges5353 bronze badges
answered Sep 16 '08 at 17:41
DanimalDanimal
...
Installing Ruby Gem in Windows
...ducing activity
1,51311 gold badge2121 silver badges4646 bronze badges
answered Sep 20 '13 at 5:10
MirageMirage
1,3691313 silver b...
How to convert milliseconds into human readable form?
...= ms / 1000
seconds = x % 60
x /= 60
minutes = x % 60
x /= 60
hours = x % 24
x /= 24
days = x
I'm just glad you stopped at days and didn't ask for months. :)
Note that in the above, it is assumed that / represents truncating integer division. If you use this code in a language where / represents ...
Maven: How to include jars, which are not available in reps into a J2EE project?
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54
As you've said you don't want to set up your own repository, perhaps this will help.
You can us...
In Node.js, how do I “include” functions from my other files?
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1463
You can require any js file, you just need to declare what you want to expose.
// tools.js
//...
How do you debug PHP scripts? [closed]
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145
votes
Try Eclipse PDT to setup an Eclipse environment that has debugging features ...
RESTful URL design for search
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445
For the searching, use querystrings. This is perfectly RESTful:
/cars?color=blue&type=sed...
Complex numbers usage in python [closed]
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Several built-in functions support complex numbers:
>>> abs(3 + 4j)
5.0
>>> pow(3 + 4j, 2)
(-7+24j)
The standard module cmath has more functions that handle complex numbers:
>>> import cmath
>>> cmath.sin(2 + 3j)
(9.15449914691143-4.168906959966565j)
...
C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ms);
return ms.dwMemoryLoad;
}
2.获取Windows CPU使用率
__int64 CompareFileTime(FILETIME time1, FILETIME time2)
{
__int64 a = time1.dwHighDateTime << 32 | time1.dwLowDateTime;
__int64 b = time2.dwHighDateTime << 32 | time2.dwLowDateTime;
return (b - a);
}
//Win CPU使用情...