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Produce a random number in a range using C#
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You can try
Random r = new Random();
int rInt = r.Next(0, 100); //for ints
int range = 100;
double rDouble = r.NextDouble()* range; //for doubles
Have a look at
Random Class, Random.Next Method (Int32, Int32) and Random.NextDouble Method
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How to round an average to 2 decimal places in PostgreSQL?
...For example:
regress=> SELECT to_char(float8 '3.1415927', 'FM999999999.00');
to_char
---------------
3.14
(1 row)
to_char will round numbers for you as part of formatting. The FM prefix tells to_char that you don't want any padding with leading spaces.
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How can I test that a value is “greater than or equal to” in Jasmine?
I want to confirm that a value is a decimal (or 0), so the number should be greater than or equal to zero and less than 1.
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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...同学吧。
Google Mock概述
Google Mock（简称gmock）是Google在2008年推出的一套针对C++的Mock框架，它灵感取自于jMock、EasyMock、harcreat。它提供了以下这些特性：
轻松地创建mock类
支持丰富的匹配器（Matcher）和行为（Action）
支持有...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
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504
The easiest way is to use to_datetime:
df['col'] = pd.to_datetime(df['col'])
It also offers ...
How to do a less than or equal to filter in Django queryset?
...ofile called profile. This field is called level and is an integer between 0-3.
1 Answer
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BigDecimal - to use new or valueOf
...an be somewhat unpredictable. One might assume that writing new BigDecimal(0.1) in Java creates a BigDecimal which is exactly equal to 0.1 (an unscaled value of 1, with a scale of 1), but it is actually equal to 0.1000000000000000055511151231257827021181583404541015625. This is because 0.1 cannot be...
Efficiently updating database using SQLAlchemy ORM
...on on commit you don't have any stale data issues.
In the almost-released 0.5 series you could also use this method for updating:
session.query(Stuff).update({Stuff.foo: Stuff.foo + 1})
session.commit()
That will basically run the same SQL statement as the previous snippet, but also select the c...
Difference between float and double in php?
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answered Jul 19 '10 at 12:14
MacmadeMacmade
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Visual Studio or Resharper functionality for placement of using directives
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UPDATE - ReSharper 2016.1: This option is now moved to Code Editing → C# → Code Style → Add 'using' directive to the deepest scope
Have you tried the ReSharper option:
Languages → C# → Formatting Style → Namespace Imports → Add u...