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How to create a GUID/UUID in Python
...mple (working on 2 and 3):
>>> import uuid
>>> uuid.uuid4()
UUID('bd65600d-8669-4903-8a14-af88203add38')
>>> str(uuid.uuid4())
'f50ec0b7-f960-400d-91f0-c42a6d44e3d0'
>>> uuid.uuid4().hex
'9fe2c4e93f654fdbb24c02b15259716c'
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AngularJS Directive Restrict A vs E
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edited Apr 22 '14 at 14:43
answered Apr 22 '14 at 13:28
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The object 'DF__*' is dependent on column '*' - Changing int to double
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Try this:
Remove the constraint DF_Movies_Rating__48CFD27E before changing your field type.
The constraint is typically created automatically by the DBMS (SQL Server).
To see the constraint associated with the table, expand the table attributes in Object explorer, followed...
Can I replace groups in Java regex?
...ern p = Pattern.compile("(\\d)(.*)(\\d)");
String input = "6 example input 4";
Matcher m = p.matcher(input);
if (m.find()) {
// replace first number with "number" and second number with the first
String output = m.replaceFirst("number $3$1"); // number 46
}
Consider (\D+) for the second g...
How do I measure separate CPU core usage for a process?
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141
You can still do this in top. While top is running, press '1' on your keyboard, it will then s...
What is the difference between bool and Boolean types in C#
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14 Answers
14
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
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84
There is no practical difference provided you use BOOL variables as booleans. C processes boole...
C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++11 tuple 这一篇就够了tuple元组定义了一个有固定数目元素的容器,其中的每个元素类型都可以不相同,这与其他容器有着本质的区别 是对pair的泛化。首先来介绍元组的 tuple元组定义了一个有固定数目元素的容器,其中的每个元素...
std::string的截取字符串的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
....0.1:8888");
int index = ip.find_last_of(':');
//ip
ip.substr(0, index).c_str();
//port
ip.substr(index + 1).c_str();
int find_first_of(char c, int start = 0):
查找字符串中第1个出现的c,由位置start开始。 如果有匹配，则返回匹配位置；否则，返回-1.默认情...
用C语言程序判断一个浮点型的数是否为零 - C/C++ - 清泛网 - 专注C/C++及内核技术
用C语言程序判断一个浮点型的数是否为零f > -1e-7 && f < 1e-7详细原理请参见：《浮点数在内存中的表示》。f > -1e-7 && f < 1e-7
详细原理请参见：《浮点数在内存中的表示》。浮点型 为零